| Filed | As-Of/On | Form | Fullname | Fund Class | Shares | Activity | Shares Change | Shares Pct. Change | Hypothetical Old Value | Hypothetical New Value | Hypothetical Value Chg. | Hypotheticals Return |
Hypotheticals Results |
Director |
Other |
Ten Pct |
Officer |
Officer Title |
News Article |
History |
|---|
| 2009-11-20 | 2009-09-30 | 13F-HR | California State Teachers Retirement System | Institution | 191,763 | Sold Some | -200 | -0.10 % | $7,845,024 | $7,845,024 | $0 | 0.00 % | $0 | | | | | | News Article | History of California State Teachers Retirement System Ownership Of Pioneer Natural Resources Co |
| 2009-11-20 | 2009-09-30 | 13F-HR/A | Ing Investment Management Europe B V | Institution | 44,400 | New Holding | 44,400 | 100 % | $1,816,404 | $1,816,404 | $0 | 0.00 % | $0 | | | | | | News Article | History of Ing Investment Management Europe B V Ownership Of Pioneer Natural Resources Co |
| 2009-11-20 | 2009-09-30 | 13F-HR/A | Janus Capital Management Llc | Institution | 405,842 | Sold Some | -1,173,875 | -74.30 % | $16,602,996 | $16,602,996 | $0 | 0.00 % | $0 | | | | | | News Article | History of Janus Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-19 | 2009-09-30 | N-Q | Longleaf Partners Funds Trust - Longleaf Partners Fund | Specialty & Misc | 8,657,900 | New Holding | 8,657,900 | 100 % | $357,657,849 | $354,194,689 | $-3,463,160 | -0.96 % | $-3,463,160 | | | | | | News Article | History of Longleaf Partners Funds Trust - Longleaf Partners Fund Ownership Of Pioneer Natural Resources Co |
| 2009-11-18 | 2009-09-30 | 13F-HR/A | Adage Capital Partners Gp Llc | Institution | 232,600 | Added More | 96,000 | 70.27 % | $9,945,976 | $9,515,666 | $-430,310 | -4.32 % | $-177,600 | | | | | | News Article | History of Adage Capital Partners Gp Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-18 | 2009-09-30 | 13F-HR | Jane Street Holding Llc | Institution | 48,955 | Added More | 27,145 | 124.46 % | $2,093,316 | $2,002,749 | $-90,567 | -4.32 % | $-50,218 | | | | | | News Article | History of Jane Street Holding Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-17 | 2009-09-30 | 13F-HR/A | Amvescap Plc | Institution | 663,063 | Sold Some | -46,877 | -6.60 % | $28,902,916 | $27,125,907 | $-1,777,009 | -6.14 % | $125,630 | | | | | | News Article | History of Amvescap Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-17 | 2009-09-30 | 13F-HR/A | Credit Suisse First Boston | Institution | 320,838 | Added More | 49,545 | 18.26 % | $13,985,328 | $13,125,483 | $-859,846 | -6.14 % | $-132,781 | | | | | | News Article | History of Credit Suisse First Boston Ownership Of Pioneer Natural Resources Co |
| 2009-11-17 | 2009-09-30 | N-Q | Lincoln Variable Insurance Products Trust - Core Fund | Multi-Cap Core | 8,700 | New Holding | 8,700 | 100 % | $379,233 | $355,917 | $-23,316 | -6.14 % | $-23,316 | | | | | | News Article | History of Lincoln Variable Insurance Products Trust - Core Fund Ownership Of Pioneer Natural Resources Co |
| 2009-11-17 | 2009-09-30 | 13F-HR | Rothschild Asset Management Inc | Institution | 171,382 | New Holding | 171,382 | 100 % | $7,470,541 | $7,011,238 | $-459,304 | -6.14 % | $-459,304 | | | | | | News Article | History of Rothschild Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-17 | 2009-09-30 | 13F-HR | Wells Fargo And Co | Institution | 1,152,307 | Sold Some | -37,038 | -3.11 % | $50,229,062 | $47,140,879 | $-3,088,183 | -6.14 % | $99,262 | | | | | | News Article | History of Wells Fargo And Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Abrams Bison Investments Llc | Institution | 1,060,816 | No Change | 0 | 0 % | $47,153,271 | $43,397,983 | $-3,755,289 | -7.96 % | $0 | | | | | | News Article | History of Abrams Bison Investments Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Acadia Trust Na | Institution | | Sold All | -86 | -100 % | | | | -7.96 % | $304 | | | | | | News Article | History of Acadia Trust Na Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | American International Group Inc | Institution | 43,955 | Sold Some | -3,039 | -6.46 % | $1,953,800 | $1,798,199 | $-155,601 | -7.96 % | $10,758 | | | | | | News Article | History of American International Group Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Aqr Capital Management Llc | Institution | | Sold All | -14,998 | -100 % | | | | -7.96 % | $53,093 | | | | | | News Article | History of Aqr Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Aristeia Capital Llc | Institution | | Sold All | -44,350 | -100 % | | | | -7.96 % | $156,999 | | | | | | News Article | History of Aristeia Capital Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Balyasny Asset Management Llc | Institution | | Sold All | -100,600 | -100 % | | | | -7.96 % | $356,124 | | | | | | News Article | History of Balyasny Asset Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Black River Asset Management Llc | Institution | 45,000 | New Holding | 45,000 | 100 % | $2,000,250 | $1,840,950 | $-159,300 | -7.96 % | $-159,300 | | | | | | News Article | History of Black River Asset Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Capital World Investors | Institution | 3,805,000 | No Change | 0 | 0 % | $169,132,250 | $155,662,550 | $-13,469,700 | -7.96 % | $0 | | | | | | News Article | History of Capital World Investors Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Citadel L P | Institution | 473,055 | Added More | 260,788 | 122.85 % | $21,027,295 | $19,352,680 | $-1,674,615 | -7.96 % | $-923,190 | | | | | | News Article | History of Citadel L P Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Cna Financial Corp | Institution | 400 | New Holding | 400 | 100 % | $17,780 | $16,364 | $-1,416 | -7.96 % | $-1,416 | | | | | | News Article | History of Cna Financial Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Concert Wealth Management Inc | No Data | 4,626 | No Change | 0 | 0 % | $205,626 | $189,250 | $-16,376 | -7.96 % | $0 | | | | | | News Article | History of Concert Wealth Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Decade Capital Management Llc | Institution | 287,291 | Sold Some | -270,709 | -48.51 % | $12,770,085 | $11,753,075 | $-1,017,010 | -7.96 % | $958,310 | | | | | | News Article | History of Decade Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Eaton Vance Management | Institution | 182,300 | Added More | 2,030 | 1.12 % | $8,103,235 | $7,457,893 | $-645,342 | -7.96 % | $-7,186 | | | | | | News Article | History of Eaton Vance Management Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Eaton Vance Management | Institution | 182,300 | Added More | 2,011 | 1.11 % | $8,103,235 | $7,457,893 | $-645,342 | -7.96 % | $-7,119 | | | | | | News Article | History of Eaton Vance Management Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Employees Retirement System Of Texas | Institution | 42,000 | No Change | 0 | 0 % | $1,866,900 | $1,718,220 | $-148,680 | -7.96 % | $0 | | | | | | News Article | History of Employees Retirement System Of Texas Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Fidelity International Ltd | Institution | 216,350 | Added More | 9,560 | 4.62 % | $9,616,758 | $8,850,879 | $-765,879 | -7.96 % | $-33,842 | | | | | | News Article | History of Fidelity International Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Fifth Third Bancorp | Institution | 12,348 | Sold Some | -115 | -0.92 % | $548,869 | $505,157 | $-43,712 | -7.96 % | $407 | | | | | | News Article | History of Fifth Third Bancorp Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Fmr Corp | Institution | 333,388 | Sold Some | -9,929 | -2.89 % | $14,819,097 | $13,638,903 | $-1,180,194 | -7.96 % | $35,149 | | | | | | News Article | History of Fmr Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Gardner Lewis Asset Management L P | Institution | 36,025 | Sold Some | -2,650 | -6.85 % | $1,601,311 | $1,473,783 | $-127,529 | -7.96 % | $9,381 | | | | | | News Article | History of Gardner Lewis Asset Management L P Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Gardner Russo And Gardner | Institution | 11,600 | Added More | 200 | 1.75 % | $515,620 | $474,556 | $-41,064 | -7.96 % | $-708 | | | | | | News Article | History of Gardner Russo And Gardner Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Hahn Capital Management Llc | Institution | 93,542 | No Change | 0 | 0 % | $4,157,942 | $3,826,803 | $-331,139 | -7.96 % | $0 | | | | | | News Article | History of Hahn Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Ing Groep Nv | Institution | 337,750 | Added More | 224,100 | 197.18 % | $15,012,988 | $13,817,353 | $-1,195,635 | -7.96 % | $-793,314 | | | | | | News Article | History of Ing Groep Nv Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Jesaga Advisers Llc | Institution | 27,200 | Added More | 15,000 | 122.95 % | $1,209,040 | $1,112,752 | $-96,288 | -7.96 % | $-53,100 | | | | | | News Article | History of Jesaga Advisers Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Madison Square Investors Llc | No Data | 65,324 | Sold Some | -5,357 | -7.57 % | $2,903,652 | $2,672,405 | $-231,247 | -7.96 % | $18,964 | | | | | | News Article | History of Madison Square Investors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Magnetar Financial Llc | Institution | | Sold All | -10,203 | -100 % | | | | -7.96 % | $36,119 | | | | | | News Article | History of Magnetar Financial Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Millennium Management Llc | Institution | 2,451 | Sold Some | -6,149 | -71.50 % | $108,947 | $100,270 | $-8,677 | -7.96 % | $21,767 | | | | | | News Article | History of Millennium Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Morgan Stanley | Institution | 928,146 | Added More | 243,098 | 35.48 % | $41,256,090 | $37,970,453 | $-3,285,637 | -7.96 % | $-860,567 | | | | | | News Article | History of Morgan Stanley Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | New York State Teachers Retirement System | Institution | 523,532 | New Holding | 523,532 | 100 % | $23,270,997 | $21,417,694 | $-1,853,303 | -7.96 % | $-1,853,303 | | | | | | News Article | History of New York State Teachers Retirement System Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Northern Trust Co Of Connecticut | Institution | | Sold All | -3,242 | -100 % | | | | -7.96 % | $11,477 | | | | | | News Article | History of Northern Trust Co Of Connecticut Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Northern Trust Corp | Institution | 1,418,712 | Added More | 9,196 | 0.65 % | $63,061,748 | $58,039,508 | $-5,022,240 | -7.96 % | $-32,554 | | | | | | News Article | History of Northern Trust Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR/A | Oppenheimer Funds Inc | Institution | 5,600 | Sold Some | -58,100 | -91.20 % | $248,920 | $229,096 | $-19,824 | -7.96 % | $205,674 | | | | | | News Article | History of Oppenheimer Funds Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Philadelphia Trust Co | Institution | 20,000 | No Change | 0 | 0 % | $889,000 | $818,200 | $-70,800 | -7.96 % | $0 | | | | | | News Article | History of Philadelphia Trust Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR/A | Porter Orlin Llc | Institution | 70,000 | Sold Some | -30,000 | -30.00 % | $3,111,500 | $2,863,700 | $-247,800 | -7.96 % | $106,200 | | | | | | News Article | History of Porter Orlin Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR/A | Rafferty Asset Management Llc | Institution | | Sold All | -20,654 | -100 % | | | | -7.96 % | $73,115 | | | | | | News Article | History of Rafferty Asset Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Ruane Cunniff And Goldfarb Inc | Institution | 939,590 | No Change | 0 | 0 % | $41,764,776 | $38,438,627 | $-3,326,149 | -7.96 % | $0 | | | | | | News Article | History of Ruane Cunniff And Goldfarb Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Sac Capital Advisors Lp | No Data | 200,099 | Sold Some | -500,401 | -71.43 % | $8,894,401 | $8,186,050 | $-708,350 | -7.96 % | $1,771,420 | | | | | | News Article | History of Sac Capital Advisors Lp Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Sageview Capital Lp | Institution | 1,190,828 | Added More | 531,604 | 80.64 % | $52,932,305 | $48,716,773 | $-4,215,531 | -7.96 % | $-1,881,878 | | | | | | News Article | History of Sageview Capital Lp Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Shaw D E And Co Inc | Institution | 126,575 | Sold Some | -244,368 | -65.87 % | $5,626,259 | $5,178,183 | $-448,076 | -7.96 % | $865,063 | | | | | | News Article | History of Shaw D E And Co Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Sir Capital Management Lp | No Data | | Sold All | -504,674 | -100 % | | | | -7.96 % | $1,786,546 | | | | | | News Article | History of Sir Capital Management Lp Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Soros Fund Management Llc | Institution | | Sold All | -505,650 | -100 % | | | | -7.96 % | $1,790,001 | | | | | | News Article | History of Soros Fund Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Spo Advisory Corp | Institution | 8,997,354 | No Change | 0 | 0 % | $399,932,385 | $368,081,752 | $-31,850,633 | -7.96 % | $0 | | | | | | News Article | History of Spo Advisory Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | State Treasurer State Of Michigan | Institution | 64,372 | Sold Some | -600 | -0.92 % | $2,861,335 | $2,633,459 | $-227,877 | -7.96 % | $2,124 | | | | | | News Article | History of State Treasurer State Of Michigan Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Tradewinds Global Investors Llc | Institution | 1,295,670 | Sold Some | -941,638 | -42.08 % | $57,592,532 | $53,005,860 | $-4,586,672 | -7.96 % | $3,333,399 | | | | | | News Article | History of Tradewinds Global Investors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Treaty Oak Capital Management L P | Institution | | Sold All | -25,000 | -100 % | | | | -7.96 % | $88,500 | | | | | | News Article | History of Treaty Oak Capital Management L P Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Two Sigma Investments Llc | Institution | 133,449 | Added More | 37,993 | 39.80 % | $5,931,808 | $5,459,399 | $-472,409 | -7.96 % | $-134,495 | | | | | | News Article | History of Two Sigma Investments Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Ubs Global Asset Management Americas Inc | Institution | 355,216 | Added More | 13,797 | 4.04 % | $15,789,351 | $14,531,887 | $-1,257,465 | -7.96 % | $-48,841 | | | | | | News Article | History of Ubs Global Asset Management Americas Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Us Bancorp De | Institution | 53,847 | Added More | 16,185 | 42.97 % | $2,393,499 | $2,202,881 | $-190,618 | -7.96 % | $-57,295 | | | | | | News Article | History of Us Bancorp De Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Walleye Trading Llc | Institution | 2,108 | New Holding | 2,108 | 100 % | $93,701 | $86,238 | $-7,462 | -7.96 % | $-7,462 | | | | | | News Article | History of Walleye Trading Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Weiss Multi-Strategy Advisers Llc | Institution | 342,500 | New Holding | 342,500 | 100 % | $15,224,125 | $14,011,675 | $-1,212,450 | -7.96 % | $-1,212,450 | | | | | | News Article | History of Weiss Multi-Strategy Advisers Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Wellington Management Co Llp | Institution | 706,200 | Added More | 633,800 | 875.41 % | $31,390,590 | $28,890,642 | $-2,499,948 | -7.96 % | $-2,243,652 | | | | | | News Article | History of Wellington Management Co Llp Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Westcliff Capital Management Llc Ca | Institution | 42,780 | Added More | 6,090 | 16.59 % | $1,901,571 | $1,750,130 | $-151,441 | -7.96 % | $-21,559 | | | | | | News Article | History of Westcliff Capital Management Llc Ca Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Wexford Capital Llc | Institution | 103,900 | Added More | 18,400 | 21.52 % | $4,618,355 | $4,250,549 | $-367,806 | -7.96 % | $-65,136 | | | | | | News Article | History of Wexford Capital Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-16 | 2009-09-30 | 13F-HR | Xaraf Management Llc | Institution | 10,804 | No Change | 0 | 0 % | $480,238 | $441,992 | $-38,246 | -7.96 % | $0 | | | | | | News Article | History of Xaraf Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-10-31 | 13F-HR | Peak6 Investments L P | Institution | 173,251 | Added More | 147,014 | 560.33 % | $7,413,410 | $7,087,698 | $-325,712 | -4.39 % | $-276,386 | | | | | | News Article | History of Peak6 Investments L P Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Advisory Research Inc | Institution | 761,980 | Sold Some | -72,504 | -8.68 % | $32,605,124 | $31,172,602 | $-1,432,522 | -4.39 % | $136,308 | | | | | | News Article | History of Advisory Research Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Allied Irish Banks Plc | Institution | 603 | New Holding | 603 | 100 % | $25,802 | $24,669 | $-1,134 | -4.39 % | $-1,134 | | | | | | News Article | History of Allied Irish Banks Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Ameriprise Financial Inc | Institution | 1,435,727 | Sold Some | -166,171 | -10.37 % | $61,434,758 | $58,735,592 | $-2,699,167 | -4.39 % | $312,401 | | | | | | News Article | History of Ameriprise Financial Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Aston Asset Management Llc | Institution | | Sold All | -154,760 | -100 % | | | | -4.39 % | $290,949 | | | | | | News Article | History of Aston Asset Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Aston Asset Management Llc | Institution | | Sold All | -3,946 | -100 % | | | | -4.39 % | $7,418 | | | | | | News Article | History of Aston Asset Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Axa | Institution | 1,027,830 | Added More | 394,813 | 62.37 % | $43,980,846 | $42,048,525 | $-1,932,320 | -4.39 % | $-742,248 | | | | | | News Article | History of Axa Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Barclays Plc | Institution | 387,840 | Added More | 196,324 | 102.51 % | $16,595,674 | $15,866,534 | $-729,139 | -4.39 % | $-369,089 | | | | | | News Article | History of Barclays Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Batterymarch Financial Management Inc | Institution | 18,602 | Added More | 15,147 | 438.40 % | $795,980 | $761,008 | $-34,972 | -4.39 % | $-28,476 | | | | | | News Article | History of Batterymarch Financial Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Bnp Paribas Arbitrage Sa | Institution | 96,221 | Added More | 64,071 | 199.28 % | $4,117,297 | $3,936,401 | $-180,895 | -4.39 % | $-120,453 | | | | | | News Article | History of Bnp Paribas Arbitrage Sa Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Bnp Paribas Asset Management S A S | Institution | 9,120 | New Holding | 9,120 | 100 % | $390,245 | $373,099 | $-17,146 | -4.39 % | $-17,146 | | | | | | News Article | History of Bnp Paribas Asset Management S A S Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Brandywine Asset Management Llc | Institution | 49,410 | New Holding | 49,410 | 100 % | $2,114,254 | $2,021,363 | $-92,891 | -4.39 % | $-92,891 | | | | | | News Article | History of Brandywine Asset Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Cambrian Capital Limited Partnership | Institution | 200,000 | New Holding | 200,000 | 100 % | $8,558,000 | $8,182,000 | $-376,000 | -4.39 % | $-376,000 | | | | | | News Article | History of Cambrian Capital Limited Partnership Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Capital Fund Management S A | Institution | 1,021 | New Holding | 1,021 | 100 % | $43,689 | $41,769 | $-1,919 | -4.39 % | $-1,919 | | | | | | News Article | History of Capital Fund Management S A Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Capital One Financial Corp | Institution | 285 | No Change | 0 | 0 % | $12,195 | $11,659 | $-536 | -4.39 % | $0 | | | | | | News Article | History of Capital One Financial Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Carlson Capital L P | Institution | | Sold All | -545,401 | -100 % | | | | -4.39 % | $1,025,354 | | | | | | News Article | History of Carlson Capital L P Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Caxton Associates Llc | Institution | | Sold All | -50,725 | -100 % | | | | -4.39 % | $95,363 | | | | | | News Article | History of Caxton Associates Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Clifton Group Investment Management Co | No Data | 2,500 | Sold Some | -700 | -21.87 % | $106,975 | $102,275 | $-4,700 | -4.39 % | $1,316 | | | | | | News Article | History of Clifton Group Investment Management Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Credit Agricole S A | Institution | 37,959 | Added More | 21,261 | 127.32 % | $1,624,266 | $1,552,903 | $-71,363 | -4.39 % | $-39,971 | | | | | | News Article | History of Credit Agricole S A Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Del Mar Asset Management Lp | Institution | | Sold All | -10,588 | -100 % | | | | -4.39 % | $19,905 | | | | | | News Article | History of Del Mar Asset Management Lp Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Dnb Asset Management Us Inc | Institution | 22,643 | Sold Some | -22,842 | -50.21 % | $968,894 | $926,325 | $-42,569 | -4.39 % | $42,943 | | | | | | News Article | History of Dnb Asset Management Us Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Earnest Partners Llc | Institution | 2,575,021 | Sold Some | -104,724 | -3.90 % | $110,185,149 | $105,344,109 | $-4,841,039 | -4.39 % | $196,881 | | | | | | News Article | History of Earnest Partners Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | F And C Asset Management Plc | Institution | 7,041 | New Holding | 7,041 | 100 % | $301,284 | $288,047 | $-13,237 | -4.39 % | $-13,237 | | | | | | News Article | History of F And C Asset Management Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Fbr Capital Markets Corp | Insider | 14,175 | New Holding | 14,175 | 100 % | $606,548 | $579,899 | $-26,649 | -4.39 % | $-26,649 | | | | | | News Article | History of Fbr Capital Markets Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Fiduciary Asset Management Co | Institution | | Sold All | -8,000 | -100 % | | | | -4.39 % | $15,040 | | | | | | News Article | History of Fiduciary Asset Management Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | First Mercantile Trust Co | Institution | 44,900 | Added More | 8,900 | 24.72 % | $1,921,271 | $1,836,859 | $-84,412 | -4.39 % | $-16,732 | | | | | | News Article | History of First Mercantile Trust Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Frontier Investment Mgmt Co | Institution | 164,273 | No Change | 0 | 0 % | $7,029,242 | $6,720,408 | $-308,833 | -4.39 % | $0 | | | | | | News Article | History of Frontier Investment Mgmt Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Gartmore Mutual Fund Capital Trust | Institution | 3,355 | Sold Some | -66,946 | -95.22 % | $143,560 | $137,253 | $-6,307 | -4.39 % | $125,858 | | | | | | News Article | History of Gartmore Mutual Fund Capital Trust Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Geode Capital Management Llc | Institution | 553,605 | Added More | 20,305 | 3.80 % | $23,688,758 | $22,647,981 | $-1,040,777 | -4.39 % | $-38,173 | | | | | | News Article | History of Geode Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Glg Partners Inc | Institution | 40,000 | No Change | 0 | 0 % | $1,711,600 | $1,636,400 | $-75,200 | -4.39 % | $0 | | | | | | News Article | History of Glg Partners Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Goldman Sachs Group Inc | Institution | 1,742,230 | Added More | 958,816 | 122.38 % | $74,550,022 | $71,274,629 | $-3,275,392 | -4.39 % | $-1,802,574 | | | | | | News Article | History of Goldman Sachs Group Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Grantham Mayo Van Otterloo And Co Llc | Institution | 19,300 | Sold Some | -89,400 | -82.24 % | $825,847 | $789,563 | $-36,284 | -4.39 % | $168,072 | | | | | | News Article | History of Grantham Mayo Van Otterloo And Co Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Henderson Group Plc | Institution | 19,606 | No Change | 0 | 0 % | $838,941 | $802,081 | $-36,859 | -4.39 % | $0 | | | | | | News Article | History of Henderson Group Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Jefferies Group Inc | Institution | 10,177 | Sold Some | -4,861 | -32.32 % | $435,474 | $416,341 | $-19,133 | -4.39 % | $9,139 | | | | | | News Article | History of Jefferies Group Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Keybank National Association | Institution | 43,989 | Sold Some | -470 | -1.05 % | $1,882,289 | $1,799,590 | $-82,699 | -4.39 % | $884 | | | | | | News Article | History of Keybank National Association Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Labranche And Co Inc | Institution | 20,871 | Sold Some | -3,032 | -12.68 % | $893,070 | $853,833 | $-39,237 | -4.39 % | $5,700 | | | | | | News Article | History of Labranche And Co Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Legg Mason Capital Management Inc | Institution | 79 | New Holding | 79 | 100 % | $3,380 | $3,232 | $-149 | -4.39 % | $-149 | | | | | | News Article | History of Legg Mason Capital Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Loeb Partners Corp | Insider | 15,500 | Sold Some | -1,500 | -8.82 % | $663,245 | $634,105 | $-29,140 | -4.39 % | $2,820 | | | | | | News Article | History of Loeb Partners Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Los Angeles Capital Management And Equity Research Inc | Institution | 80,138 | New Holding | 80,138 | 100 % | $3,429,105 | $3,278,446 | $-150,659 | -4.39 % | $-150,659 | | | | | | News Article | History of Los Angeles Capital Management And Equity Research Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Lucas Capital Management | Institution | 58,860 | No Change | 0 | 0 % | $2,518,619 | $2,407,963 | $-110,657 | -4.39 % | $0 | | | | | | News Article | History of Lucas Capital Management Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Managed Account Advisors Llc | Institution | 397,503 | Added More | 319,105 | 407.03 % | $17,009,153 | $16,261,848 | $-747,306 | -4.39 % | $-599,917 | | | | | | News Article | History of Managed Account Advisors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Marshall Ilsley Corp | Institution | 5,695 | New Holding | 5,695 | 100 % | $243,689 | $232,982 | $-10,707 | -4.39 % | $-10,707 | | | | | | News Article | History of Marshall Ilsley Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Mason Street Advisors Llc | Institution | 23,247 | Sold Some | -4,653 | -16.67 % | $994,739 | $951,035 | $-43,704 | -4.39 % | $8,748 | | | | | | News Article | History of Mason Street Advisors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR/A | Natixis | Institution | 18,874 | Added More | 101 | 0.53 % | $807,618 | $772,135 | $-35,483 | -4.39 % | $-190 | | | | | | News Article | History of Natixis Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR/A | Neuberger Berman Group Llc | No Data | 5,079,612 | Added More | 1,212,061 | 31.33 % | $217,356,597 | $207,806,927 | $-9,549,671 | -4.39 % | $-2,278,675 | | | | | | News Article | History of Neuberger Berman Group Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | New York State Common Retirement Fund | Institution | 441,745 | Added More | 30,959 | 7.53 % | $18,902,269 | $18,071,788 | $-830,481 | -4.39 % | $-58,203 | | | | | | News Article | History of New York State Common Retirement Fund Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Northwestern Mutual Wealth Management Co | Institution | | Sold All | -22 | -100 % | | | | -4.39 % | $41 | | | | | | News Article | History of Northwestern Mutual Wealth Management Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Oppenheimer And Co Inc | Institution | 43,124 | Sold Some | -10,050 | -18.90 % | $1,845,276 | $1,764,203 | $-81,073 | -4.39 % | $18,894 | | | | | | News Article | History of Oppenheimer And Co Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Panagora Asset Management Inc | Institution | 19,315 | No Change | 0 | 0 % | $826,489 | $790,177 | $-36,312 | -4.39 % | $0 | | | | | | News Article | History of Panagora Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Paradigm Asset Management Co Llc | Institution | 46,876 | Added More | 15,600 | 49.87 % | $2,005,824 | $1,917,697 | $-88,127 | -4.39 % | $-29,328 | | | | | | News Article | History of Paradigm Asset Management Co Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Price T Rowe Associates Inc | Institution | 164,070 | Sold Some | -3,900 | -2.32 % | $7,020,555 | $6,712,104 | $-308,452 | -4.39 % | $7,332 | | | | | | News Article | History of Price T Rowe Associates Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Public Sector Pension Investment Board | Institution | 8,390 | New Holding | 8,390 | 100 % | $359,008 | $343,235 | $-15,773 | -4.39 % | $-15,773 | | | | | | News Article | History of Public Sector Pension Investment Board Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Raymond James And Associates | Institution | 12,048 | New Holding | 12,048 | 100 % | $515,534 | $492,884 | $-22,650 | -4.39 % | $-22,650 | | | | | | News Article | History of Raymond James And Associates Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Rbc Capital Markets Arbitrage S A | Institution | 99,735 | Sold Some | -34,762 | -25.84 % | $4,267,661 | $4,080,159 | $-187,502 | -4.39 % | $65,353 | | | | | | News Article | History of Rbc Capital Markets Arbitrage S A Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Rbc Dain Rauscher Inc | Institution | 6,871 | Sold Some | -761 | -9.97 % | $294,010 | $281,093 | $-12,917 | -4.39 % | $1,431 | | | | | | News Article | History of Rbc Dain Rauscher Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Renaissance Technologies Corp | Institution | 419,756 | New Holding | 419,756 | 100 % | $17,961,359 | $17,172,218 | $-789,141 | -4.39 % | $-789,141 | | | | | | News Article | History of Renaissance Technologies Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR/A | Research Affiliates Llc | Institution | 20,925 | Sold Some | -12,979 | -38.28 % | $895,381 | $856,042 | $-39,339 | -4.39 % | $24,401 | | | | | | News Article | History of Research Affiliates Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Segall Bryant And Hamill | Institution | 11,162 | No Change | 0 | 0 % | $477,622 | $456,637 | $-20,985 | -4.39 % | $0 | | | | | | News Article | History of Segall Bryant And Hamill Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Sei Trust Co | Institution | 6,800 | Sold Some | -54,200 | -88.85 % | $290,972 | $278,188 | $-12,784 | -4.39 % | $101,896 | | | | | | News Article | History of Sei Trust Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Sg Americas Securities Llc | Institution | 31,473 | Added More | 11,239 | 55.54 % | $1,346,730 | $1,287,560 | $-59,169 | -4.39 % | $-21,129 | | | | | | News Article | History of Sg Americas Securities Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Southeastern Asset Management Inc | Institution | 9,981,475 | Sold Some | -34,600 | -0.34 % | $427,107,315 | $408,342,142 | $-18,765,173 | -4.39 % | $65,048 | | | | | | News Article | History of Southeastern Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Spears Grisanti And Brown Llc | Institution | 2,950 | No Change | 0 | 0 % | $126,231 | $120,685 | $-5,546 | -4.39 % | $0 | | | | | | News Article | History of Spears Grisanti And Brown Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Tudor Investment Corp Et Al | Institution | | Sold All | -23,100 | -100 % | | | | -4.39 % | $43,428 | | | | | | News Article | History of Tudor Investment Corp Et Al Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | U S Global Investors Inc | Institution | | Sold All | -250,000 | -100 % | | | | -4.39 % | $470,000 | | | | | | News Article | History of U S Global Investors Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Vanguard Group Inc | Institution | 5,384,909 | Added More | 36,017 | 0.67 % | $230,420,256 | $220,296,627 | $-10,123,629 | -4.39 % | $-67,712 | | | | | | News Article | History of Vanguard Group Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-13 | 2009-09-30 | 13F-HR | Wolverine Asset Management Llc | Institution | 30,335 | Added More | 2,812 | 10.21 % | $1,298,035 | $1,241,005 | $-57,030 | -4.39 % | $-5,287 | | | | | | News Article | History of Wolverine Asset Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-10-30 | 13F-HR | Td Asset Management Inc | Institution | 158,450 | Added More | 125,800 | 385.29 % | $6,765,815 | $6,482,190 | $-283,626 | -4.19 % | $-225,182 | | | | | | News Article | History of Td Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Analytic Investors Inc | Institution | 3,983 | Sold Some | -638,147 | -99.37 % | $170,074 | $162,945 | $-7,130 | -4.19 % | $1,142,283 | | | | | | News Article | History of Analytic Investors Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Avenir Corp | Institution | 990,450 | Added More | 150,317 | 17.89 % | $42,292,215 | $40,519,310 | $-1,772,906 | -4.19 % | $-269,067 | | | | | | News Article | History of Avenir Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Aviva Plc | Institution | 31,124 | Added More | 840 | 2.77 % | $1,328,995 | $1,273,283 | $-55,712 | -4.19 % | $-1,504 | | | | | | News Article | History of Aviva Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Bank Of America Corp | Institution | 101,024 | Sold Some | -33,244 | -24.75 % | $4,313,725 | $4,132,892 | $-180,833 | -4.19 % | $59,507 | | | | | | News Article | History of Bank Of America Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Barclays Global Investors Uk Holdings Ltd | Institution | 5,377,288 | Added More | 104,208 | 1.97 % | $229,610,198 | $219,984,852 | $-9,625,346 | -4.19 % | $-186,532 | | | | | | News Article | History of Barclays Global Investors Uk Holdings Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Barclays Global Investors Uk Holdings Ltd | Institution | 5,377,288 | Added More | 384,180 | 7.69 % | $229,610,198 | $219,984,852 | $-9,625,346 | -4.19 % | $-687,682 | | | | | | News Article | History of Barclays Global Investors Uk Holdings Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Bbt Capital Management Inc | Institution | 599,184 | Sold Some | -312,810 | -34.29 % | $25,585,157 | $24,512,617 | $-1,072,539 | -4.19 % | $559,930 | | | | | | News Article | History of Bbt Capital Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Blackthorn Investment Group Llc | Institution | | Sold All | -70,000 | -100 % | | | | -4.19 % | $125,300 | | | | | | News Article | History of Blackthorn Investment Group Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Boston Trust And Investment Management Co | Institution | 46 | New Holding | 46 | 100 % | $1,964 | $1,882 | $-82 | -4.19 % | $-82 | | | | | | News Article | History of Boston Trust And Investment Management Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Canada Pension Plan Investment Board | Institution | 716 | Sold Some | -10,400 | -93.55 % | $30,573 | $29,292 | $-1,282 | -4.19 % | $18,616 | | | | | | News Article | History of Canada Pension Plan Investment Board Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Champlain Investment Partners Llc | Institution | 214,730 | Added More | 21,050 | 10.86 % | $9,168,971 | $8,784,604 | $-384,367 | -4.19 % | $-37,680 | | | | | | News Article | History of Champlain Investment Partners Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Chicago Equity Partners Llc | Institution | 231,110 | New Holding | 231,110 | 100 % | $9,868,397 | $9,454,710 | $-413,687 | -4.19 % | $-413,687 | | | | | | News Article | History of Chicago Equity Partners Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Credit Suisse | Institution | 52,196 | New Holding | 52,196 | 100 % | $2,228,769 | $2,135,338 | $-93,431 | -4.19 % | $-93,431 | | | | | | News Article | History of Credit Suisse Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | First Quadrant L P | Institution | 13,400 | No Change | 0 | 0 % | $572,180 | $548,194 | $-23,986 | -4.19 % | $0 | | | | | | News Article | History of First Quadrant L P Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | First Trust Advisors Lp | Institution | 349,732 | Added More | 215,687 | 160.90 % | $14,933,556 | $14,307,536 | $-626,020 | -4.19 % | $-386,080 | | | | | | News Article | History of First Trust Advisors Lp Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Freestone Capital Management Inc | Institution | | Sold All | -184,447 | -100 % | | | | -4.19 % | $330,160 | | | | | | News Article | History of Freestone Capital Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Hbos Plc | No Data | 34,441 | Added More | 15,204 | 79.03 % | $1,470,631 | $1,408,981 | $-61,649 | -4.19 % | $-27,215 | | | | | | News Article | History of Hbos Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Hgk Asset Management Inc | Institution | 155,350 | Added More | 53,150 | 52.00 % | $6,633,445 | $6,355,369 | $-278,077 | -4.19 % | $-95,139 | | | | | | News Article | History of Hgk Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Hollow Brook Associates Llc | No Data | 6,207 | Sold Some | -3,000 | -32.58 % | $265,039 | $253,928 | $-11,111 | -4.19 % | $5,370 | | | | | | News Article | History of Hollow Brook Associates Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR/A | Ing Investment Management Co | Institution | 379,350 | Added More | 278,900 | 277.65 % | $16,198,245 | $15,519,209 | $-679,037 | -4.19 % | $-499,231 | | | | | | News Article | History of Ing Investment Management Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Irish Life Investment Managers | Institution | 31,476 | Added More | 800 | 2.60 % | $1,344,025 | $1,287,683 | $-56,342 | -4.19 % | $-1,432 | | | | | | News Article | History of Irish Life Investment Managers Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Kbc Group Nv | Institution | 42,485 | Sold Some | -23,049 | -35.17 % | $1,814,110 | $1,738,061 | $-76,048 | -4.19 % | $41,258 | | | | | | News Article | History of Kbc Group Nv Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Keeley Asset Management Corp | Institution | 45,057 | Sold Some | -84,260 | -65.15 % | $1,923,934 | $1,843,282 | $-80,652 | -4.19 % | $150,825 | | | | | | News Article | History of Keeley Asset Management Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Korea Investment Corp | No Data | | Sold All | -8,863 | -100 % | | | | -4.19 % | $15,865 | | | | | | News Article | History of Korea Investment Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Legal And General Group Plc | Institution | 410,304 | Added More | 6,700 | 1.66 % | $17,519,981 | $16,785,537 | $-734,444 | -4.19 % | $-11,993 | | | | | | News Article | History of Legal And General Group Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Manufactureres Life Insurance Co | Institution | 23,146 | Added More | 2,774 | 13.61 % | $988,334 | $946,903 | $-41,431 | -4.19 % | $-4,965 | | | | | | News Article | History of Manufactureres Life Insurance Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Merrill Lynch And Co Inc | Institution | 680,613 | Added More | 562,577 | 476.61 % | $29,062,175 | $27,843,878 | $-1,218,297 | -4.19 % | $-1,007,013 | | | | | | News Article | History of Merrill Lynch And Co Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Mfc Global Investment Management Usa Ltd | Institution | 99,693 | Sold Some | -305 | -0.30 % | $4,256,891 | $4,078,441 | $-178,450 | -4.19 % | $546 | | | | | | News Article | History of Mfc Global Investment Management Usa Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Nomura Asset Management Co Ltd | Institution | 27,867 | Sold Some | -800 | -2.79 % | $1,189,921 | $1,140,039 | $-49,882 | -4.19 % | $1,432 | | | | | | News Article | History of Nomura Asset Management Co Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Nomura Asset Management Singapore Ltd | No Data | 2,000 | Added More | 1,200 | 150.00 % | $85,400 | $81,820 | $-3,580 | -4.19 % | $-2,148 | | | | | | News Article | History of Nomura Asset Management Singapore Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Padco Advisors Ii Inc | Institution | 111,523 | Added More | 3,030 | 2.79 % | $4,762,032 | $4,562,406 | $-199,626 | -4.19 % | $-5,424 | | | | | | News Article | History of Padco Advisors Ii Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Padco Advisors Inc | Institution | 18,037 | Added More | 1,017 | 5.97 % | $770,180 | $737,894 | $-32,286 | -4.19 % | $-1,820 | | | | | | News Article | History of Padco Advisors Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Placemark Investments Inc | Institution | | Sold All | -10,008 | -100 % | | | | -4.19 % | $17,914 | | | | | | News Article | History of Placemark Investments Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Principal Financial Group Inc | Institution | 75,734 | Added More | 3,790 | 5.26 % | $3,233,842 | $3,098,278 | $-135,564 | -4.19 % | $-6,784 | | | | | | News Article | History of Principal Financial Group Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR/A | Qa3 Financial Llc | No Data | 100 | No Change | 0 | 0 % | $4,270 | $4,091 | $-179 | -4.19 % | $0 | | | | | | News Article | History of Qa3 Financial Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Rbc Trustee Ltd | Institution | 322 | No Change | 0 | 0 % | $13,749 | $13,173 | $-576 | -4.19 % | $0 | | | | | | News Article | History of Rbc Trustee Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Redstone Investment Management Lp | Institution | 21,595 | Sold Some | -1,763 | -7.54 % | $922,107 | $883,451 | $-38,655 | -4.19 % | $3,156 | | | | | | News Article | History of Redstone Investment Management Lp Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Royal Bank Of Scotland Group Plc | Institution | 25,767 | Added More | 9,906 | 62.45 % | $1,100,251 | $1,054,128 | $-46,123 | -4.19 % | $-17,732 | | | | | | News Article | History of Royal Bank Of Scotland Group Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Russell Frank Co | Institution | 93,300 | Added More | 45,600 | 95.59 % | $3,983,910 | $3,816,903 | $-167,007 | -4.19 % | $-81,624 | | | | | | News Article | History of Russell Frank Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Security Management Co Llc | Institution | | Sold All | -2,868 | -100 % | | | | -4.19 % | $5,134 | | | | | | News Article | History of Security Management Co Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Sovereign Asset Management Corp | Institution | 33,582 | Added More | 318 | 0.95 % | $1,433,951 | $1,373,840 | $-60,112 | -4.19 % | $-569 | | | | | | News Article | History of Sovereign Asset Management Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Suntrust Banks Inc | Institution | 9,279 | Sold Some | -6,497 | -41.18 % | $396,213 | $379,604 | $-16,609 | -4.19 % | $11,630 | | | | | | News Article | History of Suntrust Banks Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Susquehanna International Group Llp | Institution | 68,909 | Sold Some | -121,641 | -63.83 % | $2,942,414 | $2,819,067 | $-123,347 | -4.19 % | $217,737 | | | | | | News Article | History of Susquehanna International Group Llp Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Ubs Oconnor Llc | Institution | 121,562 | New Holding | 121,562 | 100 % | $5,190,697 | $4,973,101 | $-217,596 | -4.19 % | $-217,596 | | | | | | News Article | History of Ubs Oconnor Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | United Services Automobile Association | Institution | 37,520 | Sold Some | -78,900 | -67.77 % | $1,602,104 | $1,534,943 | $-67,161 | -4.19 % | $141,231 | | | | | | News Article | History of United Services Automobile Association Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Virginia Retirement Systems Et Al | Institution | 102,139 | Added More | 80,800 | 378.64 % | $4,361,335 | $4,178,506 | $-182,829 | -4.19 % | $-144,632 | | | | | | News Article | History of Virginia Retirement Systems Et Al Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | Voyageur Asset Management Inc | Institution | 5,650 | Added More | 5,620 | 18733.33 % | $241,255 | $231,142 | $-10,114 | -4.19 % | $-10,060 | | | | | | News Article | History of Voyageur Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | White River Investment Partners Llc | Institution | | Sold All | -35,000 | -100 % | | | | -4.19 % | $62,650 | | | | | | News Article | History of White River Investment Partners Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-09-30 | 13F-HR | World Asset Management Inc | Institution | 27,691 | Added More | 1,675 | 6.43 % | $1,182,406 | $1,132,839 | $-49,567 | -4.19 % | $-2,998 | | | | | | News Article | History of World Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2009-03-31 | 13F-HR/A | Avenir Corp | Institution | 840,177 | Sold Some | -34,250 | -3.91 % | $35,875,558 | $34,371,641 | $-1,503,917 | -4.19 % | $61,308 | | | | | | News Article | History of Avenir Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-12 | 2008-12-31 | 13F-HR/A | Avenir Corp | Institution | 874,427 | Sold Some | -310,316 | -26.19 % | $37,338,033 | $35,772,809 | $-1,565,224 | -4.19 % | $555,466 | | | | | | News Article | History of Avenir Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Aperio Group Llc | Institution | 9,598 | Added More | 1,172 | 13.90 % | $423,656 | $392,654 | $-31,002 | -7.31 % | $-3,786 | | | | | | News Article | History of Aperio Group Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Caymus Capital Partners L P | Institution | | Sold All | -116,400 | -100 % | | | | -7.31 % | $375,972 | | | | | | News Article | History of Caymus Capital Partners L P Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Citigroup Inc | Institution | 82,124 | Sold Some | -305,866 | -78.83 % | $3,624,953 | $3,359,693 | $-265,261 | -7.31 % | $987,947 | | | | | | News Article | History of Citigroup Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Comerica Bank | Institution | 78,775 | Added More | 5,438 | 7.41 % | $3,477,129 | $3,222,685 | $-254,443 | -7.31 % | $-17,565 | | | | | | News Article | History of Comerica Bank Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Dai Ichi Mutual Life Insurance Co | Institution | 14,687 | No Change | 0 | 0 % | $648,284 | $600,845 | $-47,439 | -7.31 % | $0 | | | | | | News Article | History of Dai Ichi Mutual Life Insurance Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Dlibj Asset Management Co Ltd | Institution | 30,699 | Sold Some | -2,779 | -8.30 % | $1,355,054 | $1,255,896 | $-99,158 | -7.31 % | $8,976 | | | | | | News Article | History of Dlibj Asset Management Co Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Duncker Streett And Co Inc | Institution | 21,650 | New Holding | 21,650 | 100 % | $955,631 | $885,702 | $-69,930 | -7.31 % | $-69,930 | | | | | | News Article | History of Duncker Streett And Co Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | First National Trust Co | Institution | 122 | No Change | 0 | 0 % | $5,385 | $4,991 | $-394 | -7.31 % | $0 | | | | | | News Article | History of First National Trust Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Flippin Bruce And Porter Inc | Institution | 687,848 | Sold Some | -20,330 | -2.87 % | $30,361,611 | $28,139,862 | $-2,221,749 | -7.31 % | $65,666 | | | | | | News Article | History of Flippin Bruce And Porter Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Highbridge Capital Management Llc | Institution | 307,088 | New Holding | 307,088 | 100 % | $13,554,864 | $12,562,970 | $-991,894 | -7.31 % | $-991,894 | | | | | | News Article | History of Highbridge Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | J P Morgan Chase And Co | Institution | 621,760 | Added More | 299,490 | 92.93 % | $27,444,486 | $25,436,202 | $-2,008,285 | -7.31 % | $-967,353 | | | | | | News Article | History of J P Morgan Chase And Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Nexus Investment Management Inc | No Data | 5,500 | No Compare | | | $242,770 | $225,005 | $-17,765 | -7.31 % | | | | | | | News Article | History of Nexus Investment Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Ubs Ag | Institution | 86,797 | Sold Some | -10,366 | -10.66 % | $3,831,220 | $3,550,865 | $-280,354 | -7.31 % | $33,482 | | | | | | News Article | History of Ubs Ag Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Vaughan Nelson Scarborough And Mccullough Lp | Institution | | Sold All | -8,250 | -100 % | | | | -7.31 % | $26,648 | | | | | | News Article | History of Vaughan Nelson Scarborough And Mccullough Lp Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Verizon Communications Inc | Institution | 11,700 | No Change | 0 | 0 % | $516,438 | $478,647 | $-37,791 | -7.31 % | $0 | | | | | | News Article | History of Verizon Communications Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-09-30 | 13F-HR | Wetherby Asset Management Inc | Institution | 6,527 | New Holding | 6,527 | 100 % | $288,102 | $267,020 | $-21,082 | -7.31 % | $-21,082 | | | | | | News Article | History of Wetherby Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-08-31 | N-CSR | Morgan Stanley S And P 500 Index Fund - None | Specialty & Misc | 8,050 | No Change | 0 | 0 % | $355,327 | $329,326 | $-26,002 | -7.31 % | $0 | | | | | | News Article | History of Morgan Stanley S And P 500 Index Fund - None Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-06-30 | 13F-HR/A | Dlibj Asset Management Co Ltd | Institution | 33,478 | Sold Some | -6,500 | -16.25 % | $1,477,719 | $1,369,585 | $-108,134 | -7.31 % | $20,995 | | | | | | News Article | History of Dlibj Asset Management Co Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2009-03-31 | 13F-HR/A | Dlibj Asset Management Co Ltd | Institution | 39,978 | Added More | 11,268 | 39.24 % | $1,764,629 | $1,635,500 | $-129,129 | -7.31 % | $-36,396 | | | | | | News Article | History of Dlibj Asset Management Co Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-10 | 2008-12-31 | 13F-HR/A | Dlibj Asset Management Co Ltd | Institution | 28,710 | Added More | 13,241 | 85.59 % | $1,267,259 | $1,174,526 | $-92,733 | -7.31 % | $-42,768 | | | | | | News Article | History of Dlibj Asset Management Co Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Aberdeen Asset Management Plc | Institution | 12,301 | No Change | 0 | 0 % | $539,891 | $503,234 | $-36,657 | -6.78 % | $0 | | | | | | News Article | History of Aberdeen Asset Management Plc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Bridgewater Associates Inc | Institution | 24,648 | New Holding | 24,648 | 100 % | $1,081,801 | $1,008,350 | $-73,451 | -6.78 % | $-73,451 | | | | | | News Article | History of Bridgewater Associates Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Cibc World Markets Corp | Institution | 34,290 | Added More | 19,202 | 127.26 % | $1,504,988 | $1,402,804 | $-102,184 | -6.78 % | $-57,222 | | | | | | News Article | History of Cibc World Markets Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Dynamis Advisors Llc | Institution | | Sold All | -60,000 | -100 % | | | | -6.78 % | $178,800 | | | | | | News Article | History of Dynamis Advisors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Federated Investors Inc | Institution | 43,184 | Sold Some | -930,122 | -95.56 % | $1,895,346 | $1,766,657 | $-128,688 | -6.78 % | $2,771,764 | | | | | | News Article | History of Federated Investors Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Gargoyle Services L L C | Institution | | Sold All | -58,446 | -100 % | | | | -6.78 % | $174,169 | | | | | | News Article | History of Gargoyle Services L L C Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | General Motors Investment Management Corp | Institution | 5,600 | New Holding | 5,600 | 100 % | $245,784 | $229,096 | $-16,688 | -6.78 % | $-16,688 | | | | | | News Article | History of General Motors Investment Management Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Gruber And Mcbaine Capital Management Llc | Institution | 95,000 | Added More | 20,000 | 26.66 % | $4,169,550 | $3,886,450 | $-283,100 | -6.78 % | $-59,600 | | | | | | News Article | History of Gruber And Mcbaine Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Lee Munder Capital Group Llc | No Data | 87,769 | No Compare | | | $3,852,181 | $3,590,630 | $-261,552 | -6.78 % | | | | | | | News Article | History of Lee Munder Capital Group Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Nmf Asset Management Llc | Institution | 47,800 | Sold Some | -1,400 | -2.84 % | $2,097,942 | $1,955,498 | $-142,444 | -6.78 % | $4,172 | | | | | | News Article | History of Nmf Asset Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | North Pointe Capital Llc | Institution | 22,838 | Added More | 6,038 | 35.94 % | $1,002,360 | $934,303 | $-68,057 | -6.78 % | $-17,993 | | | | | | News Article | History of North Pointe Capital Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | State Of Wisconsin Investment Board | Institution | 108,077 | Sold Some | -15,440 | -12.50 % | $4,743,500 | $4,421,430 | $-322,069 | -6.78 % | $46,011 | | | | | | News Article | History of State Of Wisconsin Investment Board Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Tamro Capital Partners Llc | No Data | 1,175 | Sold Some | -229,047 | -99.48 % | $51,571 | $48,069 | $-3,502 | -6.78 % | $682,560 | | | | | | News Article | History of Tamro Capital Partners Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Twin Capital Management Inc | Institution | 19,150 | New Holding | 19,150 | 100 % | $840,494 | $783,427 | $-57,067 | -6.78 % | $-57,067 | | | | | | News Article | History of Twin Capital Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-09-30 | 13F-HR | Vtl Associates Llc | Institution | | Sold All | -93 | -100 % | | | | -6.78 % | $277 | | | | | | News Article | History of Vtl Associates Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-09 | 2009-08-31 | N-CSRS | Jpmorgan Institutional Trust - Jpmorgan Equity Index Trust | Specialty & Misc | | Sold All | -4 | -100 % | | | | -6.78 % | $12 | | | | | | News Article | History of Jpmorgan Institutional Trust - Jpmorgan Equity Index Trust Ownership Of Pioneer Natural Resources Co |
| 2009-11-06 | 2009-09-30 | 13F-HR/A | Baird Robert W And Co Inc | Institution | 5,779 | New Holding | 5,779 | 100 % | $244,914 | $236,419 | $-8,495 | -3.46 % | $-8,495 | | | | | | News Article | History of Baird Robert W And Co Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-06 | 2009-09-30 | 13F-HR | Hartford Investment Management Co | Institution | 32,871 | Sold Some | -680 | -2.02 % | $1,393,073 | $1,344,753 | $-48,320 | -3.46 % | $1,000 | | | | | | News Article | History of Hartford Investment Management Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-06 | 2009-09-30 | 13F-HR | Metlife Securities Inc | Institution | 99 | Sold Some | -40 | -28.77 % | $4,196 | $4,050 | $-146 | -3.46 % | $59 | | | | | | News Article | History of Metlife Securities Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-06 | 2009-09-30 | 13F-HR | Metropolitan Life Insurance Co | Institution | 95,268 | Sold Some | -2,426 | -2.48 % | $4,037,458 | $3,897,414 | $-140,044 | -3.46 % | $3,566 | | | | | | News Article | History of Metropolitan Life Insurance Co Ownership Of Pioneer Natural Resources Co |
| 2009-11-06 | 2009-09-30 | 13F-HR | Pnc Financial Services Group Inc | Institution | 156 | Sold Some | -14,016 | -98.89 % | $6,611 | $6,382 | $-229 | -3.46 % | $20,604 | | | | | | News Article | History of Pnc Financial Services Group Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-06 | 2009-09-30 | 13F-HR | Schwab Charles Investment Management Inc | Institution | 218,594 | Added More | 38,600 | 21.44 % | $9,264,014 | $8,942,681 | $-321,333 | -3.46 % | $-56,742 | | | | | | News Article | History of Schwab Charles Investment Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-06 | 2009-09-30 | 13F-HR | Teachers Advisors Inc | Institution | 72,238 | Sold Some | -56,637 | -43.94 % | $3,061,446 | $2,955,257 | $-106,190 | -3.46 % | $83,256 | | | | | | News Article | History of Teachers Advisors Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-06 | 2009-09-30 | 13F-HR | Tiaa Cref Investment Management Llc | Institution | 610,372 | Sold Some | -15,000 | -2.39 % | $25,867,565 | $24,970,319 | $-897,247 | -3.46 % | $22,050 | | | | | | News Article | History of Tiaa Cref Investment Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-06 | 2009-09-30 | 13F-HR | Unionbancal Corp | Institution | 37,945 | New Holding | 37,945 | 100 % | $1,608,109 | $1,552,330 | $-55,779 | -3.46 % | $-55,779 | | | | | | News Article | History of Unionbancal Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Bank Of Hawaii | Institution | 19,664 | Added More | 19,615 | 40030.61 % | $841,423 | $804,454 | $-36,968 | -4.39 % | $-36,876 | | | | | | News Article | History of Bank Of Hawaii Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Becker Capital Management Inc | Institution | 404,353 | Added More | 3,420 | 0.85 % | $17,302,265 | $16,542,081 | $-760,184 | -4.39 % | $-6,430 | | | | | | News Article | History of Becker Capital Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Buckhead Capital Management Llc | Institution | 16,345 | Sold Some | -1,500 | -8.40 % | $699,403 | $668,674 | $-30,729 | -4.39 % | $2,820 | | | | | | News Article | History of Buckhead Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Exchange Capital Management Inc | Institution | 361 | No Change | 0 | 0 % | $15,447 | $14,769 | $-679 | -4.39 % | $0 | | | | | | News Article | History of Exchange Capital Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Fixed Income Securities Lp | Institution | 1,100 | No Change | 0 | 0 % | $47,069 | $45,001 | $-2,068 | -4.39 % | $0 | | | | | | News Article | History of Fixed Income Securities Lp Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Guardian Investor Services Llc | Institution | 3,152 | Added More | 53 | 1.71 % | $134,874 | $128,948 | $-5,926 | -4.39 % | $-100 | | | | | | News Article | History of Guardian Investor Services Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Kornitzer Capital Management Inc | Institution | 71,925 | Sold Some | -39,975 | -35.72 % | $3,077,671 | $2,942,452 | $-135,219 | -4.39 % | $75,153 | | | | | | News Article | History of Kornitzer Capital Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Mitsubishi Ufj Asset Management Co Ltd | No Data | 35,700 | No Change | 0 | 0 % | $1,527,603 | $1,460,487 | $-67,116 | -4.39 % | $0 | | | | | | News Article | History of Mitsubishi Ufj Asset Management Co Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Nisa Investment Advisors L L C | Institution | 27,832 | Sold Some | -250 | -0.89 % | $1,190,931 | $1,138,607 | $-52,324 | -4.39 % | $470 | | | | | | News Article | History of Nisa Investment Advisors L L C Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Parametric Portfolio Associates | Institution | 159,987 | Added More | 2,234 | 1.41 % | $6,845,844 | $6,545,068 | $-300,776 | -4.39 % | $-4,200 | | | | | | News Article | History of Parametric Portfolio Associates Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Profund Advisors Llc | Institution | 14,561 | Added More | 144 | 0.99 % | $623,065 | $595,691 | $-27,375 | -4.39 % | $-271 | | | | | | News Article | History of Profund Advisors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Proshare Advisors Llc | Institution | 55,515 | Sold Some | -40,213 | -42.00 % | $2,375,487 | $2,271,119 | $-104,368 | -4.39 % | $75,600 | | | | | | News Article | History of Proshare Advisors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Tal Global Asset Management Inc | Institution | 13,982 | Sold Some | -1,989 | -12.45 % | $598,290 | $572,004 | $-26,286 | -4.39 % | $3,739 | | | | | | News Article | History of Tal Global Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-05 | 2009-09-30 | 13F-HR | Teacher Retirement System Of Texas | Institution | 58,499 | Sold Some | -56,738 | -49.23 % | $2,503,172 | $2,393,194 | $-109,978 | -4.39 % | $106,667 | | | | | | News Article | History of Teacher Retirement System Of Texas Ownership Of Pioneer Natural Resources Co |
| 2009-11-04 | 2009-09-30 | 13F-HR | Delta Capital Management Llc | Institution | 82,720 | Sold Some | -9,550 | -10.35 % | $3,409,718 | $3,384,075 | $-25,643 | -0.75 % | $2,961 | | | | | | News Article | History of Delta Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-04 | 2009-09-30 | 13F-HR | Geewax Plus Partners Llc | Institution | | Sold All | -3,700 | -100 % | | | | -0.75 % | $1,147 | | | | | | News Article | History of Geewax Plus Partners Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-04 | 2009-09-30 | 13F-HR | Gw Capital Management Incco | Institution | 12,175 | No Change | 0 | 0 % | $501,854 | $498,079 | $-3,774 | -0.75 % | $0 | | | | | | News Article | History of Gw Capital Management Incco Ownership Of Pioneer Natural Resources Co |
| 2009-11-04 | 2009-09-30 | 13F-HR | Mitsubishi Ufj Trust Banking Corp | No Data | 102,635 | Sold Some | -10,758 | -9.48 % | $4,230,615 | $4,198,798 | $-31,817 | -0.75 % | $3,335 | | | | | | News Article | History of Mitsubishi Ufj Trust Banking Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-04 | 2009-09-30 | 13F-HR | Tradeworx Inc | Institution | 27,071 | Added More | 15,080 | 125.76 % | $1,115,867 | $1,107,475 | $-8,392 | -0.75 % | $-4,675 | | | | | | News Article | History of Tradeworx Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-04 | 2009-08-31 | N-CSRS | Gmo Trust - Gmo Value Fund | Multi-Cap Value | | Sold All | -56,100 | -100 % | | | | -0.75 % | $17,391 | | | | | | News Article | History of Gmo Trust - Gmo Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-11-04 | 2009-08-31 | N-CSR | Professionally Managed Portfolios - Villere Balanced Fund | Mixed-Asset Target Allocation Growth | 56,000 | New Holding | 56,000 | 100 % | $2,308,320 | $2,290,960 | $-17,360 | -0.75 % | $-17,360 | | | | | | News Article | History of Professionally Managed Portfolios - Villere Balanced Fund Ownership Of Pioneer Natural Resources Co |
| 2009-11-03 | 2009-09-30 | 13F-HR | Apg All Pensions Group | Institution | 156,125 | Sold Some | -23,500 | -13.08 % | $6,641,558 | $6,387,074 | $-254,484 | -3.83 % | $38,305 | | | | | | News Article | History of Apg All Pensions Group Ownership Of Pioneer Natural Resources Co |
| 2009-11-03 | 2009-09-30 | 13F-HR | M And T Bank Corp | Institution | | Sold All | -55 | -100 % | | | | -3.83 % | $90 | | | | | | News Article | History of M And T Bank Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-03 | 2009-09-30 | 13F-HR | Papp L Roy And Associates | Institution | 6,760 | Added More | 3,000 | 79.78 % | $287,570 | $276,552 | $-11,019 | -3.83 % | $-4,890 | | | | | | News Article | History of Papp L Roy And Associates Ownership Of Pioneer Natural Resources Co |
| 2009-11-03 | 2009-09-30 | 13F-HR | Phocas Financial Corp | Institution | 71,191 | New Holding | 71,191 | 100 % | $3,028,465 | $2,912,424 | $-116,041 | -3.83 % | $-116,041 | | | | | | News Article | History of Phocas Financial Corp Ownership Of Pioneer Natural Resources Co |
| 2009-11-03 | 2009-09-30 | 13F-HR | Private Trust Co Na | Institution | | Sold All | -170 | -100 % | | | | -3.83 % | $277 | | | | | | News Article | History of Private Trust Co Na Ownership Of Pioneer Natural Resources Co |
| 2009-11-03 | 2009-09-30 | 13F-HR | Prudential Financial Inc | Institution | 181,612 | Sold Some | -5,540 | -2.96 % | $7,725,774 | $7,429,747 | $-296,028 | -3.83 % | $9,030 | | | | | | News Article | History of Prudential Financial Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-03 | 2009-09-30 | 13F-HR | Turner Investment Partners Inc | Institution | 770 | Added More | 210 | 37.50 % | $32,756 | $31,501 | $-1,255 | -3.83 % | $-342 | | | | | | News Article | History of Turner Investment Partners Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-02 | 2009-09-30 | 13F-HR | Bbva Usa Bancshares Inc | Institution | 9,832 | Sold Some | -25 | -0.25 % | $408,421 | $402,227 | $-6,194 | -1.51 % | $16 | | | | | | News Article | History of Bbva Usa Bancshares Inc Ownership Of Pioneer Natural Resources Co |
| 2009-11-02 | 2009-09-30 | 13F-HR | Bislett Management Llc | Institution | 130,000 | No Change | 0 | 0 % | $5,400,200 | $5,318,300 | $-81,900 | -1.51 % | $0 | | | | | | News Article | History of Bislett Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-11-02 | 2009-09-30 | 13F-HR | Thompson Investment Management Llc | Institution | 15,975 | Sold Some | -75 | -0.46 % | $663,602 | $653,537 | $-10,064 | -1.51 % | $47 | | | | | | News Article | History of Thompson Investment Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-10-30 | 2009-09-30 | 13F-HR | Hughes Howard Medical Institute | Institution | 200,000 | New Holding | 200,000 | 100 % | $8,222,000 | $8,182,000 | $-40,000 | -0.48 % | $-40,000 | | | | | | News Article | History of Hughes Howard Medical Institute Ownership Of Pioneer Natural Resources Co |
| 2009-10-30 | 2009-09-30 | 13F-HR | Oxford Asset Management | Institution | 21,100 | Added More | 11,047 | 109.88 % | $867,421 | $863,201 | $-4,220 | -0.48 % | $-2,209 | | | | | | News Article | History of Oxford Asset Management Ownership Of Pioneer Natural Resources Co |
| 2009-10-30 | 2009-09-30 | 13F-HR | Robeco Investment Management Inc | Institution | | Sold All | -492,265 | -100 % | | | | -0.48 % | $98,453 | | | | | | News Article | History of Robeco Investment Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-30 | 2009-09-30 | 13F-HR | Texas Permanent School Fund | Institution | 98,926 | Added More | 543 | 0.55 % | $4,066,848 | $4,047,063 | $-19,785 | -0.48 % | $-109 | | | | | | News Article | History of Texas Permanent School Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-30 | 2009-08-31 | N-CSR | Growth Fund Of America Inc - Growth Fund Of America Inc | Multi-Cap Growth | 3,805,000 | No Change | 0 | 0 % | $156,423,550 | $155,662,550 | $-761,000 | -0.48 % | $0 | | | | | | News Article | History of Growth Fund Of America Inc - Growth Fund Of America Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-30 | 2009-08-31 | N-Q | Sei Institutional Investments Trust - Siit Large Cap Fund | Large-Cap Core | | Sold All | -3,600 | -100 % | | | | -0.48 % | $720 | | | | | | News Article | History of Sei Institutional Investments Trust - Siit Large Cap Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-30 | 2009-08-31 | N-CSR | Vanguard World Fund - Vanguard Energy Index Fund | Natural Resources | | Sold All | -98,606 | -100 % | | | | -0.48 % | $19,721 | | | | | | News Article | History of Vanguard World Fund - Vanguard Energy Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-30 | 2009-08-31 | N-CSR | Vanguard World Fund - Vanguard Ftse Social Index Fund | Large-Cap Core | | Sold All | -15,034 | -100 % | | | | -0.48 % | $3,007 | | | | | | News Article | History of Vanguard World Fund - Vanguard Ftse Social Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-29 | 2009-09-30 | 13F-HR | Dimensional Fund Advisors Inc | Institution | 1,562,479 | Added More | 158,922 | 11.32 % | $68,905,324 | $63,921,016 | $-4,984,308 | -7.23 % | $-506,961 | | | | | | News Article | History of Dimensional Fund Advisors Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-29 | 2009-09-30 | 13F-HR | Lincluden Management Ltd | Institution | 93,110 | Sold Some | -33,710 | -26.58 % | $4,106,151 | $3,809,130 | $-297,021 | -7.23 % | $107,535 | | | | | | News Article | History of Lincluden Management Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-10-29 | 2009-09-30 | 13F-HR | Lyz Capital Advisors Llc | Institution | 11,300 | Sold Some | -600 | -5.04 % | $498,330 | $462,283 | $-36,047 | -7.23 % | $1,914 | | | | | | News Article | History of Lyz Capital Advisors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-10-29 | 2009-08-31 | N-Q | Evergreen Equity Trust De - Evergreen Market Index Fund | Specialty & Misc | 3,317 | Sold Some | -11,466 | -77.56 % | $146,280 | $135,698 | $-10,581 | -7.23 % | $36,577 | | | | | | News Article | History of Evergreen Equity Trust De - Evergreen Market Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-29 | 2009-08-31 | N-Q | Evergreen Equity Trust De - Evergreen Market Index Value Fund | Multi-Cap Value | 10,345 | Sold Some | -952 | -8.42 % | $456,215 | $423,214 | $-33,001 | -7.23 % | $3,037 | | | | | | News Article | History of Evergreen Equity Trust De - Evergreen Market Index Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-29 | 2009-08-31 | N-Q | Usaa Mutual Funds Trust - Growth Fund | Multi-Cap Growth | | Sold All | -2,000 | -100 % | | | | -7.23 % | $6,380 | | | | | | News Article | History of Usaa Mutual Funds Trust - Growth Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-28 | 2009-09-30 | 13F-HR | Chevy Chase Trust Holdings Inc | No Data | 109,179 | Sold Some | -2,302 | -2.06 % | $4,578,967 | $4,466,513 | $-112,454 | -2.45 % | $2,371 | | | | | | News Article | History of Chevy Chase Trust Holdings Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-28 | 2009-09-30 | 13F-HR | Davenport And Co Llc | Institution | 312,094 | New Holding | 312,094 | 100 % | $13,089,222 | $12,767,766 | $-321,457 | -2.45 % | $-321,457 | | | | | | News Article | History of Davenport And Co Llc Ownership Of Pioneer Natural Resources Co |
| 2009-10-28 | 2009-09-30 | 13F-HR | Guaranty Trust Co Of Missouri | Institution | 393 | Added More | 193 | 96.50 % | $16,482 | $16,078 | $-405 | -2.45 % | $-199 | | | | | | News Article | History of Guaranty Trust Co Of Missouri Ownership Of Pioneer Natural Resources Co |
| 2009-10-28 | 2009-09-30 | 13F-HR | Prentiss Smith And Co Inc | Institution | 86 | No Change | 0 | 0 % | $3,607 | $3,518 | $-89 | -2.45 % | $0 | | | | | | News Article | History of Prentiss Smith And Co Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-28 | 2009-09-30 | 13F-HR | Sandy Spring Bank | No Data | 17 | New Holding | 17 | 100 % | $713 | $695 | $-18 | -2.45 % | $-18 | | | | | | News Article | History of Sandy Spring Bank Ownership Of Pioneer Natural Resources Co |
| 2009-10-28 | 2009-08-31 | N-CSRS | Fidelity Concord Street Trust - Spartan International Index Fund | Global Flex Port | | Sold All | -265,583 | -100 % | | | | -2.45 % | $273,550 | | | | | | News Article | History of Fidelity Concord Street Trust - Spartan International Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-27 | 2009-09-30 | 13F-HR | Wagner Investment Management Inc | Institution | 29 | No Change | 0 | 0 % | $1,321 | $1,186 | $-135 | -10.18 % | $0 | | | | | | News Article | History of Wagner Investment Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-26 | 2009-09-30 | 13F-HR | Glickenhaus And Co | Institution | 188,178 | Added More | 22,300 | 13.44 % | $8,528,227 | $7,698,362 | $-829,865 | -9.73 % | $-98,343 | | | | | | News Article | History of Glickenhaus And Co Ownership Of Pioneer Natural Resources Co |
| 2009-10-26 | 2009-09-30 | 13F-HR/A | Obermeyer Asset Management Co | Institution | 435 | No Change | 0 | 0 % | $19,714 | $17,796 | $-1,918 | -9.73 % | $0 | | | | | | News Article | History of Obermeyer Asset Management Co Ownership Of Pioneer Natural Resources Co |
| 2009-10-26 | 2009-08-31 | N-Q | Claymore Exchange Traded Fund Trust - Claymoremorningstar Manufacturing Super Sector Index Etf | Specialty & Misc | 83 | No Change | 0 | 0 % | $3,762 | $3,396 | $-366 | -9.73 % | $0 | | | | | | News Article | History of Claymore Exchange Traded Fund Trust - Claymoremorningstar Manufacturing Super Sector Index Etf Ownership Of Pioneer Natural Resources Co |
| 2009-10-26 | 2009-08-31 | N-Q | Ing Equity Trust - Ing Value Choice Fund | Multi-Cap Value | 154,507 | Added More | 29,107 | 23.21 % | $7,002,257 | $6,320,881 | $-681,376 | -9.73 % | $-128,362 | | | | | | News Article | History of Ing Equity Trust - Ing Value Choice Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-26 | 2009-08-31 | N-Q | Ing Series Fund Inc - Ing Balanced Fund | Mixed-Asset Target Allocation Moderate | 6,100 | New Holding | 6,100 | 100 % | $276,452 | $249,551 | $-26,901 | -9.73 % | $-26,901 | | | | | | News Article | History of Ing Series Fund Inc - Ing Balanced Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-26 | 2009-08-31 | N-Q | Ing Series Fund Inc - Ing Index Plus Largecap Fund | Large-Cap Core | 37,200 | New Holding | 37,200 | 100 % | $1,685,904 | $1,521,852 | $-164,052 | -9.73 % | $-164,052 | | | | | | News Article | History of Ing Series Fund Inc - Ing Index Plus Largecap Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-26 | 2009-06-30 | 13F-HR/A | Ameriprise Financial Inc | Institution | 1,601,898 | Sold Some | -320,827 | -16.68 % | $72,598,017 | $65,533,647 | $-7,064,370 | -9.73 % | $1,414,847 | | | | | | News Article | History of Ameriprise Financial Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Blackrock Advisors Llc | Institution | 256,558 | Added More | 900 | 0.35 % | $11,406,569 | $10,495,788 | $-910,781 | -7.98 % | $-3,195 | | | | | | News Article | History of Blackrock Advisors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Blackrock Group Ltd | Institution | 42,882 | No Change | 0 | 0 % | $1,906,534 | $1,754,303 | $-152,231 | -7.98 % | $0 | | | | | | News Article | History of Blackrock Group Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Blackrock Inc | No Data | 164,500 | Sold Some | -41,269 | -20.05 % | $7,313,670 | $6,729,695 | $-583,975 | -7.98 % | $146,505 | | | | | | News Article | History of Blackrock Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Blackrock Investment Management Llc | Institution | 544,249 | Sold Some | -64,599 | -10.61 % | $24,197,311 | $22,265,227 | $-1,932,084 | -7.98 % | $229,326 | | | | | | News Article | History of Blackrock Investment Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Guinness Asset Management Ltd | Institution | 69,093 | Sold Some | -1,400 | -1.98 % | $3,071,875 | $2,826,595 | $-245,280 | -7.98 % | $4,970 | | | | | | News Article | History of Guinness Asset Management Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Guinness Atkinson Asset Management Inc | Institution | 32,720 | Sold Some | -2,000 | -5.76 % | $1,454,731 | $1,338,575 | $-116,156 | -7.98 % | $7,100 | | | | | | News Article | History of Guinness Atkinson Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Havens Advisors Llc | Institution | 34,920 | No Change | 0 | 0 % | $1,552,543 | $1,428,577 | $-123,966 | -7.98 % | $0 | | | | | | News Article | History of Havens Advisors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Ls Investment Advisors Llc | No Data | 2,100 | No Change | 0 | 0 % | $93,366 | $85,911 | $-7,455 | -7.98 % | $0 | | | | | | News Article | History of Ls Investment Advisors Llc Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Merrill Lynch Mercury Asset Management Japan Ltd | Institution | 105,186 | No Change | 0 | 0 % | $4,676,570 | $4,303,159 | $-373,410 | -7.98 % | $0 | | | | | | News Article | History of Merrill Lynch Mercury Asset Management Japan Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR/A | Ned Davis Research | Institution | 566 | Sold Some | -4,584 | -89.00 % | $25,164 | $23,155 | $-2,009 | -7.98 % | $16,273 | | | | | | News Article | History of Ned Davis Research Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Oakbrook Investments Llc | Institution | 31,841 | Added More | 2,156 | 7.26 % | $1,415,651 | $1,302,615 | $-113,036 | -7.98 % | $-7,654 | | | | | | News Article | History of Oakbrook Investments Llc Ownership Of Pioneer Natural Resources Co |
| 2009-10-22 | 2009-09-30 | 13F-HR | Robeco Institutional Asset Management Bv | Institution | 19,900 | New Holding | 19,900 | 100 % | $884,754 | $814,109 | $-70,645 | -7.98 % | $-70,645 | | | | | | News Article | History of Robeco Institutional Asset Management Bv Ownership Of Pioneer Natural Resources Co |
| 2009-10-21 | 2009-09-30 | 13F-HR | Bank Of New York Mellon Corp | Institution | 1,703,013 | Added More | 514,812 | 43.32 % | $73,995,915 | $69,670,262 | $-4,325,653 | -5.84 % | $-1,307,622 | | | | | | News Article | History of Bank Of New York Mellon Corp Ownership Of Pioneer Natural Resources Co |
| 2009-10-21 | 2009-09-30 | 13F-HR/A | Gerry Farber Llc | Institution | | Sold All | -15,500 | -100 % | | | | -5.84 % | $39,370 | | | | | | News Article | History of Gerry Farber Llc Ownership Of Pioneer Natural Resources Co |
| 2009-10-21 | 2009-09-30 | 13F-HR | State Board Of Administration Of Florida Retirement System | Institution | 344,879 | Added More | 43,380 | 14.38 % | $14,984,993 | $14,109,000 | $-875,993 | -5.84 % | $-110,185 | | | | | | News Article | History of State Board Of Administration Of Florida Retirement System Ownership Of Pioneer Natural Resources Co |
| 2009-10-21 | 2009-09-30 | 13F-HR | Stifel Nicolaus And Co Inc Mo | Institution | 22,607 | New Holding | 22,607 | 100 % | $982,274 | $924,852 | $-57,422 | -5.84 % | $-57,422 | | | | | | News Article | History of Stifel Nicolaus And Co Inc Mo Ownership Of Pioneer Natural Resources Co |
| 2009-10-20 | 2009-09-30 | N-Q | Foresight Funds Inc - Foresight Value Fund | Multi-Cap Value | 700 | No Change | 0 | 0 % | $30,583 | $28,637 | $-1,946 | -6.36 % | $0 | | | | | | News Article | History of Foresight Funds Inc - Foresight Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-20 | 2009-09-30 | 13F-HR | Jenswold Roger H And Co Inc | Institution | 24,350 | Added More | 1,000 | 4.28 % | $1,063,852 | $996,159 | $-67,693 | -6.36 % | $-2,780 | | | | | | News Article | History of Jenswold Roger H And Co Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-20 | 2009-09-30 | 13F-HR | Mechanics Bank Trust Department | Institution | 6,310 | New Holding | 6,310 | 100 % | $275,684 | $258,142 | $-17,542 | -6.36 % | $-17,542 | | | | | | News Article | History of Mechanics Bank Trust Department Ownership Of Pioneer Natural Resources Co |
| 2009-10-20 | 2009-09-30 | 13F-HR | Public Employees Retirement Association Of Colorado | Institution | 195,407 | No Change | 0 | 0 % | $8,537,332 | $7,994,100 | $-543,231 | -6.36 % | $0 | | | | | | News Article | History of Public Employees Retirement Association Of Colorado Ownership Of Pioneer Natural Resources Co |
| 2009-10-20 | 2009-09-30 | 13F-HR | Teachers Retirement System Of The State Of Kentucky | Institution | 30,100 | No Change | 0 | 0 % | $1,315,069 | $1,231,391 | $-83,678 | -6.36 % | $0 | | | | | | News Article | History of Teachers Retirement System Of The State Of Kentucky Ownership Of Pioneer Natural Resources Co |
| 2009-10-19 | 2009-09-30 | 13F-HR | Hanseatic Management Services Inc | Institution | 29,230 | No Change | 0 | 0 % | $1,275,597 | $1,195,799 | $-79,798 | -6.25 % | $0 | | | | | | News Article | History of Hanseatic Management Services Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-19 | 2009-09-30 | 13F-HR | Royal London Asset Management Ltd | Institution | 19,466 | Sold Some | -301 | -1.52 % | $849,496 | $796,354 | $-53,142 | -6.25 % | $822 | | | | | | News Article | History of Royal London Asset Management Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-10-19 | 2009-09-30 | 13F-HR | Strs Ohio | Institution | 35,220 | Sold Some | -36,862 | -51.13 % | $1,537,001 | $1,440,850 | $-96,151 | -6.25 % | $100,633 | | | | | | News Article | History of Strs Ohio Ownership Of Pioneer Natural Resources Co |
| 2009-10-16 | 2009-09-30 | 13F-HR | Capstone Asset Management Co | Institution | 11,380 | Sold Some | -1,100 | -8.81 % | $486,154 | $465,556 | $-20,598 | -4.23 % | $1,991 | | | | | | News Article | History of Capstone Asset Management Co Ownership Of Pioneer Natural Resources Co |
| 2009-10-15 | 2009-09-30 | 13F-HR | Exxonmobil Investment Management Inc | Institution | 43,780 | Sold Some | -4,193 | -8.74 % | $1,859,774 | $1,791,040 | $-68,735 | -3.69 % | $6,583 | | | | | | News Article | History of Exxonmobil Investment Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-15 | 2009-09-30 | 13F-HR | Harris Financial Corp | Institution | 32,741 | Sold Some | -3,009 | -8.41 % | $1,390,838 | $1,339,434 | $-51,403 | -3.69 % | $4,724 | | | | | | News Article | History of Harris Financial Corp Ownership Of Pioneer Natural Resources Co |
| 2009-10-15 | 2009-09-30 | 13F-HR | Nordea Investment Management Ab | Institution | 1,400 | No Change | 0 | 0 % | $59,472 | $57,274 | $-2,198 | -3.69 % | $0 | | | | | | News Article | History of Nordea Investment Management Ab Ownership Of Pioneer Natural Resources Co |
| 2009-10-15 | 2009-09-30 | 13F-HR | Public Employees Retirement System Of Ohio | Institution | 226,724 | Added More | 9,904 | 4.56 % | $9,631,236 | $9,275,279 | $-355,957 | -3.69 % | $-15,549 | | | | | | News Article | History of Public Employees Retirement System Of Ohio Ownership Of Pioneer Natural Resources Co |
| 2009-10-15 | 2009-09-30 | 13F-HR | Raymond James Financial Services Advisors Inc | No Data | 12,907 | Added More | 264 | 2.08 % | $548,289 | $528,025 | $-20,264 | -3.69 % | $-414 | | | | | | News Article | History of Raymond James Financial Services Advisors Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-15 | 2009-09-30 | 13F-HR | Scott And Stringfellow Financial Inc | Institution | | Sold All | -7,845 | -100 % | | | | -3.69 % | $12,317 | | | | | | News Article | History of Scott And Stringfellow Financial Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-15 | 2009-09-30 | 13F-HR/A | Standard Life Investments | Institution | 6,372 | New Holding | 6,372 | 100 % | $270,683 | $260,679 | $-10,004 | -3.69 % | $-10,004 | | | | | | News Article | History of Standard Life Investments Ownership Of Pioneer Natural Resources Co |
| 2009-10-15 | 2007-03-31 | 13F-HR/A | Northwestern Mutual Life Insurance Co | Institution | | Sold All | -86 | -100 % | | | | -3.69 % | $135 | | | | | | News Article | History of Northwestern Mutual Life Insurance Co Ownership Of Pioneer Natural Resources Co |
| 2009-10-14 | 2009-09-30 | 13F-HR | First Citizens Bank And Trust Co | Institution | 22,818 | Sold Some | -8,463 | -27.05 % | $954,705 | $933,484 | $-21,221 | -2.22 % | $7,871 | | | | | | News Article | History of First Citizens Bank And Trust Co Ownership Of Pioneer Natural Resources Co |
| 2009-10-14 | 2009-09-30 | 13F-HR | Shell Asset Management Co | Institution | 32,329 | Added More | 18,600 | 135.47 % | $1,352,645 | $1,322,579 | $-30,066 | -2.22 % | $-17,298 | | | | | | News Article | History of Shell Asset Management Co Ownership Of Pioneer Natural Resources Co |
| 2009-10-09 | 2009-09-30 | 13F-HR | Meeder Asset Management Inc | Institution | 6,555 | New Holding | 6,555 | 100 % | $259,119 | $268,165 | $9,046 | 3.49 % | $9,046 | | | | | | News Article | History of Meeder Asset Management Inc Ownership Of Pioneer Natural Resources Co |
| 2009-10-09 | 2009-09-30 | 13F-HR | Progressive Investment Management | Institution | | Sold All | -200 | -100 % | | | | 3.49 % | $-276 | | | | | | News Article | History of Progressive Investment Management Ownership Of Pioneer Natural Resources Co |
| 2009-10-09 | 2009-07-31 | N-CSR | Advisors Inner Circle Fund Ii - Growth Fund | Small-Cap Growth | 18,000 | Added More | 3,200 | 21.62 % | $711,540 | $736,380 | $24,840 | 3.49 % | $4,416 | | | | | | News Article | History of Advisors Inner Circle Fund Ii - Growth Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-09 | 2009-07-31 | N-CSR | First Trust Exchange-Traded Alphadex Fund - First Trust Energy Alphadex Fund | Specialty & Misc | 6,210 | New Holding | 6,210 | 100 % | $245,481 | $254,051 | $8,570 | 3.49 % | $8,570 | | | | | | News Article | History of First Trust Exchange-Traded Alphadex Fund - First Trust Energy Alphadex Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-08 | 2009-09-30 | 13F-HR | Fitzgerald Thomas H Jr Ct | Institution | 61,400 | New Holding | 61,400 | 100 % | $2,398,284 | $2,511,874 | $113,590 | 4.73 % | $113,590 | | | | | | News Article | History of Fitzgerald Thomas H Jr Ct Ownership Of Pioneer Natural Resources Co |
| 2009-10-08 | 2009-09-30 | 13F-HR | Rhumbline Advisers | Institution | 193,615 | Sold Some | -3,294 | -1.67 % | $7,562,602 | $7,920,790 | $358,188 | 4.73 % | $-6,094 | | | | | | News Article | History of Rhumbline Advisers Ownership Of Pioneer Natural Resources Co |
| 2009-10-08 | 2009-07-31 | N-CSR | Domini Social Investment Trust - Domini Social Equity Fund | Specialty & Misc | 72,400 | New Holding | 72,400 | 100 % | $2,827,944 | $2,961,884 | $133,940 | 4.73 % | $133,940 | | | | | | News Article | History of Domini Social Investment Trust - Domini Social Equity Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-08 | 2009-07-31 | N-CSR | Nuveen Investment Trust Ii - Nuveen Tradewinds Global Resources Fund | Global Flex Port | 7,025 | Added More | 1,075 | 18.06 % | $274,397 | $287,393 | $12,996 | 4.73 % | $1,989 | | | | | | News Article | History of Nuveen Investment Trust Ii - Nuveen Tradewinds Global Resources Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-08 | 2009-06-30 | 13F-HR/A | Del Mar Asset Management Lp | Institution | 10,588 | New Holding | 10,588 | 100 % | $413,567 | $433,155 | $19,588 | 4.73 % | $19,588 | | | | | | News Article | History of Del Mar Asset Management Lp Ownership Of Pioneer Natural Resources Co |
| 2009-10-07 | 2009-07-31 | N-CSR | Profunds - Bull Profund | Large-Cap Core | 5,198 | Sold Some | -18,931 | -78.45 % | $196,225 | $212,650 | $16,426 | 8.37 % | $-59,822 | | | | | | News Article | History of Profunds - Bull Profund Ownership Of Pioneer Natural Resources Co |
| 2009-10-07 | 2009-07-31 | N-CSR | Profunds - Telecommunications Ultrasector Profund | Telecommunication | | Sold All | -4,176 | -100 % | | | | 8.37 % | $-13,196 | | | | | | News Article | History of Profunds - Telecommunications Ultrasector Profund Ownership Of Pioneer Natural Resources Co |
| 2009-10-06 | 2009-09-30 | 13F-HR | Central Bank And Trust Co | Institution | | Sold All | -127 | -100 % | | | | 9.12 % | $-434 | | | | | | News Article | History of Central Bank And Trust Co Ownership Of Pioneer Natural Resources Co |
| 2009-10-02 | 2009-07-31 | N-CSR | Usaa Mutual Funds Trust - Growth Fund | Multi-Cap Growth | 2,000 | New Holding | 2,000 | 100 % | $68,780 | $81,820 | $13,040 | 18.95 % | $13,040 | | | | | | News Article | History of Usaa Mutual Funds Trust - Growth Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-02 | 2009-07-31 | N-CSR | Usaa Mutual Funds Trust - Income Stock Fund | Equity Income | 66,400 | Added More | 44,500 | 203.19 % | $2,283,496 | $2,716,424 | $432,928 | 18.95 % | $290,140 | | | | | | News Article | History of Usaa Mutual Funds Trust - Income Stock Fund Ownership Of Pioneer Natural Resources Co |
| 2009-10-02 | 2009-07-31 | N-CSR | Usaa Mutual Funds Trust - Value Fund | Multi-Cap Value | | Sold All | -34,200 | -100 % | | | | 18.95 % | $-222,984 | | | | | | News Article | History of Usaa Mutual Funds Trust - Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Dfa Investment Dimensions Group Inc - International Core Equity Portfolio | International Small-Mid-Cap Value | 154,247 | Added More | 32,940 | 27.15 % | $5,608,421 | $6,310,245 | $701,824 | 12.51 % | $149,877 | | | | | | News Article | History of Dfa Investment Dimensions Group Inc - International Core Equity Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Dfa Investment Dimensions Group Inc - International Vector Equity Portfolio | No Data | 54,700 | No Change | 0 | 0 % | $1,988,892 | $2,237,777 | $248,885 | 12.51 % | $0 | | | | | | News Article | History of Dfa Investment Dimensions Group Inc - International Vector Equity Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Dfa Investment Dimensions Group Inc - Us Sustainability Core 1 Portfolio | No Data | 2,700 | Added More | 1,300 | 92.85 % | $98,172 | $110,457 | $12,285 | 12.51 % | $5,915 | | | | | | News Article | History of Dfa Investment Dimensions Group Inc - Us Sustainability Core 1 Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Dfa Investment Dimensions Group Inc - Va International Value Portfolio | Multi-Cap Value | 6,312 | Added More | 1,900 | 43.06 % | $229,504 | $258,224 | $28,720 | 12.51 % | $8,645 | | | | | | News Article | History of Dfa Investment Dimensions Group Inc - Va International Value Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Dfa Investment Trust Co - Global Large Company Series | Large-Cap Core | 42,555 | Sold Some | -661 | -1.52 % | $1,547,300 | $1,740,925 | $193,625 | 12.51 % | $-3,008 | | | | | | News Article | History of Dfa Investment Trust Co - Global Large Company Series Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Dfa Investment Trust Co - International Value Series | Multi-Cap Value | 815,626 | New Holding | 815,626 | 100 % | $29,656,161 | $33,367,260 | $3,711,098 | 12.51 % | $3,711,098 | | | | | | News Article | History of Dfa Investment Trust Co - International Value Series Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Eclipse Funds Inc - Mainstay S And P 500 Index Fund | S&P 500 Index | 15,107 | New Holding | 15,107 | 100 % | $549,291 | $618,027 | $68,737 | 12.51 % | $68,737 | | | | | | News Article | History of Eclipse Funds Inc - Mainstay S And P 500 Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Evergreen Income Advantage Fund - Evergreen Income Advantage Fund | Equity Income | | Sold All | -4,306 | -100 % | | | | 12.51 % | $-19,592 | | | | | | News Article | History of Evergreen Income Advantage Fund - Evergreen Income Advantage Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Fidelity Commonwealth Trust - Spartan 500 Index Fund | S&P 500 Index | | Sold All | -164,068 | -100 % | | | | 12.51 % | $-746,509 | | | | | | News Article | History of Fidelity Commonwealth Trust - Spartan 500 Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | First American Investment Funds Inc - Equity Index Fund | S&P 500 Index | 12,684 | New Holding | 12,684 | 100 % | $461,190 | $518,902 | $57,712 | 12.51 % | $57,712 | | | | | | News Article | History of First American Investment Funds Inc - Equity Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | First American Investment Funds Inc - International Fund | International Multi-Cap Core | 17,578 | New Holding | 17,578 | 100 % | $639,136 | $719,116 | $79,980 | 12.51 % | $79,980 | | | | | | News Article | History of First American Investment Funds Inc - International Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | First American Investment Funds Inc - Large Cap Select Fund | Large-Cap Core | 77,525 | New Holding | 77,525 | 100 % | $2,818,809 | $3,171,548 | $352,739 | 12.51 % | $352,739 | | | | | | News Article | History of First American Investment Funds Inc - Large Cap Select Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Ishares Trust - Ishares Kld 400 Social Index Fund | Specialty & Misc | 1,950 | Added More | 52 | 2.73 % | $70,902 | $79,775 | $8,873 | 12.51 % | $237 | | | | | | News Article | History of Ishares Trust - Ishares Kld 400 Social Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Ishares Trust - Ishares Kld Select Social Index Fund | Specialty & Misc | 4,192 | No Compare | | | $152,421 | $171,495 | $19,074 | 12.51 % | | | | | | | News Article | History of Ishares Trust - Ishares Kld Select Social Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Ishares Trust - Ishares Morningstar Mid Core Index Fund | Mid-Cap Core | 14,336 | Added More | 473 | 3.41 % | $521,257 | $586,486 | $65,229 | 12.51 % | $2,152 | | | | | | News Article | History of Ishares Trust - Ishares Morningstar Mid Core Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-CSR | Janus Investment Fund - Intech Risk-Managed Value Fund | No Data | 3,500 | No Compare | | | $127,260 | $143,185 | $15,925 | 12.51 % | | | | | | | News Article | History of Janus Investment Fund - Intech Risk-Managed Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Janus Investment Fund - Janus Fund | Large-Cap Growth | | Sold All | -18,100 | -100 % | | | | 12.51 % | $-82,355 | | | | | | News Article | History of Janus Investment Fund - Janus Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Jnl Investors Series Trust - Jackson Perspective Index 5 Fund | Specialty & Misc | 187 | No Change | 0 | 0 % | $6,799 | $7,650 | $851 | 12.51 % | $0 | | | | | | News Article | History of Jnl Investors Series Trust - Jackson Perspective Index 5 Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Mainstay Funds - Mainstay Equity Index Fund | Specialty & Misc | 2,966 | Sold Some | -208 | -6.55 % | $107,844 | $121,339 | $13,495 | 12.51 % | $-946 | | | | | | News Article | History of Mainstay Funds - Mainstay Equity Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-29 | 2009-07-31 | N-Q | Vanguard International Equity Index Funds - Vanguard Total World Stock Index Fund | No Data | 1,300 | No Change | 0 | 0 % | $47,268 | $53,183 | $5,915 | 12.51 % | $0 | | | | | | News Article | History of Vanguard International Equity Index Funds - Vanguard Total World Stock Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Advisors Series Trust - Castlerock Fund | Specialty & Misc | | Sold All | -6,765 | -100 % | | | | 13.70 % | $-33,351 | | | | | | News Article | History of Advisors Series Trust - Castlerock Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Fbr Funds - Fbr Pegasus Fund | Multi-Cap Value | 5,000 | No Change | 0 | 0 % | $179,900 | $204,550 | $24,650 | 13.70 % | $0 | | | | | | News Article | History of Fbr Funds - Fbr Pegasus Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Fbr Funds - Fbr Pegasus Mid Cap Fund | Mid-Cap Core | 6,150 | Sold Some | -1,850 | -23.12 % | $221,277 | $251,597 | $30,320 | 13.70 % | $-9,121 | | | | | | News Article | History of Fbr Funds - Fbr Pegasus Mid Cap Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Fbr Funds - Fbr Pegasus Small Cap Fund | Small-Cap Growth | 3,200 | New Holding | 3,200 | 100 % | $115,136 | $130,912 | $15,776 | 13.70 % | $15,776 | | | | | | News Article | History of Fbr Funds - Fbr Pegasus Small Cap Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Fbr Funds - Fbr Small Cap Fund | Small-Cap Growth | 1,700 | New Holding | 1,700 | 100 % | $61,166 | $69,547 | $8,381 | 13.70 % | $8,381 | | | | | | News Article | History of Fbr Funds - Fbr Small Cap Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Harbor Funds - Harbor Mid Cap Growth Fund | Mid-Cap Growth | | Sold All | -115,800 | -100 % | | | | 13.70 % | $-570,894 | | | | | | News Article | History of Harbor Funds - Harbor Mid Cap Growth Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Massmutual Premier Funds - Massmutual Premier Balanced Fund | Mixed-Asset Target Allocation Growth | 900 | No Change | 0 | 0 % | $32,382 | $36,819 | $4,437 | 13.70 % | $0 | | | | | | News Article | History of Massmutual Premier Funds - Massmutual Premier Balanced Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Massmutual Premier Funds - Massmutual Premier Enhanced Index Core Equity Fund | Large-Cap Core | 200 | No Change | 0 | 0 % | $7,196 | $8,182 | $986 | 13.70 % | $0 | | | | | | News Article | History of Massmutual Premier Funds - Massmutual Premier Enhanced Index Core Equity Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Massmutual Premier Funds - Massmutual Premier Enhanced Index Value Fund | Multi-Cap Value | 300 | No Change | 0 | 0 % | $10,794 | $12,273 | $1,479 | 13.70 % | $0 | | | | | | News Article | History of Massmutual Premier Funds - Massmutual Premier Enhanced Index Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Morgan Stanley Small Mid Special Value Fund - None | Specialty & Misc | 47,800 | Sold Some | -2,100 | -4.20 % | $1,719,844 | $1,955,498 | $235,654 | 13.70 % | $-10,353 | | | | | | News Article | History of Morgan Stanley Small Mid Special Value Fund - None Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Old Westbury Funds Inc - International Fund | International Multi-Cap Core | 105,000 | No Change | 0 | 0 % | $3,777,900 | $4,295,550 | $517,650 | 13.70 % | $0 | | | | | | News Article | History of Old Westbury Funds Inc - International Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Powershares Exchange Traded Fund Trust - Powershares Dividend Achievers Portfolio | Specialty & Misc | 5,788 | New Holding | 5,788 | 100 % | $208,252 | $236,787 | $28,535 | 13.70 % | $28,535 | | | | | | News Article | History of Powershares Exchange Traded Fund Trust - Powershares Dividend Achievers Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Schwab Capital Trust - Schwab Fundamental Us Large Company Index Fund | Large-Cap Core | 6,450 | Added More | 2,300 | 55.42 % | $232,071 | $263,870 | $31,799 | 13.70 % | $11,339 | | | | | | News Article | History of Schwab Capital Trust - Schwab Fundamental Us Large Company Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Schwab Capital Trust - Schwab Technology Fund | Science & Tech | 108,600 | New Holding | 108,600 | 100 % | $3,907,428 | $4,442,826 | $535,398 | 13.70 % | $535,398 | | | | | | News Article | History of Schwab Capital Trust - Schwab Technology Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Tax Managed Small Cap Growth Portfolio - Tax Managed Small Cap Growth Portfolio | Small-Cap Growth | 43,360 | New Holding | 43,360 | 100 % | $1,560,093 | $1,773,858 | $213,765 | 13.70 % | $213,765 | | | | | | News Article | History of Tax Managed Small Cap Growth Portfolio - Tax Managed Small Cap Growth Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-28 | 2009-07-31 | N-Q | Victory Portfolios - Victory Stock Index Fund | S&P 500 Index | 429 | Sold Some | -22 | -4.87 % | $15,435 | $17,550 | $2,115 | 13.70 % | $-108 | | | | | | News Article | History of Victory Portfolios - Victory Stock Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-25 | 2009-07-31 | N-Q | Advantage Funds Inc - Global Alpha Fund | Global Flex Port | 282 | Sold Some | -88 | -23.78 % | $9,763 | $11,537 | $1,774 | 18.16 % | $-554 | | | | | | News Article | History of Advantage Funds Inc - Global Alpha Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-25 | 2009-07-31 | N-Q | Aston Funds - Astontamro Small Cap Fund | Small-Cap Core | 161,543 | Added More | 46,143 | 39.98 % | $5,592,619 | $6,608,724 | $1,016,105 | 18.16 % | $290,239 | | | | | | News Article | History of Aston Funds - Astontamro Small Cap Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-25 | 2009-07-31 | N-Q | Direxion Shares Etf Trust - Direxion Daily Energy Bull 3x Shares | No Data | 16,546 | Added More | 3,548 | 27.29 % | $572,823 | $676,897 | $104,074 | 18.16 % | $22,317 | | | | | | News Article | History of Direxion Shares Etf Trust - Direxion Daily Energy Bull 3x Shares Ownership Of Pioneer Natural Resources Co |
| 2009-09-25 | 2009-07-31 | N-Q | Direxion Shares Etf Trust - Direxion Daily Large Cap Bull 3x Shares | No Data | | Sold All | -10,386 | -100 % | | | | 18.16 % | $-65,328 | | | | | | News Article | History of Direxion Shares Etf Trust - Direxion Daily Large Cap Bull 3x Shares Ownership Of Pioneer Natural Resources Co |
| 2009-09-25 | 2009-06-30 | 13F-HR/A | Kbc Group Nv | Institution | 65,534 | Sold Some | -63,431 | -49.18 % | $2,268,787 | $2,680,996 | $412,209 | 18.16 % | $-398,981 | | | | | | News Article | History of Kbc Group Nv Ownership Of Pioneer Natural Resources Co |
| 2009-09-24 | 2009-07-31 | N-Q | Dreyfus Index Funds Inc - Dreyfus S And P 500 Index Fund | S&P 500 Index | 28,595 | No Change | 0 | 0 % | $1,013,407 | $1,169,821 | $156,415 | 15.43 % | $0 | | | | | | News Article | History of Dreyfus Index Funds Inc - Dreyfus S And P 500 Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-24 | 2009-07-31 | N-Q | Nationwide Mutual Funds - Nationwide Large Cap Value Fund | Large-Cap Value | 4,400 | New Holding | 4,400 | 100 % | $155,936 | $180,004 | $24,068 | 15.43 % | $24,068 | | | | | | News Article | History of Nationwide Mutual Funds - Nationwide Large Cap Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-24 | 2009-06-30 | 13F-HR/A | Credit Agricole S A | Institution | 16,698 | Sold Some | -4,139 | -19.86 % | $591,777 | $683,115 | $91,338 | 15.43 % | $-22,640 | | | | | | News Article | History of Credit Agricole S A Ownership Of Pioneer Natural Resources Co |
| 2009-09-22 | 2009-07-31 | N-Q | Dreyfuslaurel Funds Inc - Tax Managed Growth Fund | Large-Cap Core | 11,017 | New Holding | 11,017 | 100 % | $398,265 | $450,705 | $52,441 | 13.16 % | $52,441 | | | | | | News Article | History of Dreyfuslaurel Funds Inc - Tax Managed Growth Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-21 | 2009-06-30 | 13F-HR/A | Eaton Vance Management | Institution | 180,289 | New Holding | 180,289 | 100 % | $6,333,553 | $7,375,623 | $1,042,070 | 16.45 % | $1,042,070 | | | | | | News Article | History of Eaton Vance Management Ownership Of Pioneer Natural Resources Co |
| 2009-09-21 | 2009-06-30 | 13F-HR/A | Eaton Vance Management | Institution | 180,270 | New Holding | 180,270 | 100 % | $6,332,885 | $7,374,846 | $1,041,961 | 16.45 % | $1,041,961 | | | | | | News Article | History of Eaton Vance Management Ownership Of Pioneer Natural Resources Co |
| 2009-09-17 | 2009-07-31 | N-Q | Rydex Etf Trust - Rydex Inverse Energy Etf | Specialty & Misc | 1,820 | New Holding | 1,820 | 100 % | $64,919 | $74,456 | $9,537 | 14.69 % | $9,537 | | | | | | News Article | History of Rydex Etf Trust - Rydex Inverse Energy Etf Ownership Of Pioneer Natural Resources Co |
| 2009-09-17 | 2009-07-31 | N-Q | Rydex Etf Trust - S And P Equal Weight Etf | Specialty & Misc | 100,070 | New Holding | 100,070 | 100 % | $3,569,497 | $4,093,864 | $524,367 | 14.69 % | $524,367 | | | | | | News Article | History of Rydex Etf Trust - S And P Equal Weight Etf Ownership Of Pioneer Natural Resources Co |
| 2009-09-15 | 2009-03-31 | 13F-HR/A | Highbridge Capital Management Llc | Institution | 13,003 | Sold Some | -290,736 | -95.71 % | $460,826 | $531,953 | $71,126 | 15.43 % | $-1,590,326 | | | | | | News Article | History of Highbridge Capital Management Llc Ownership Of Pioneer Natural Resources Co |
| 2009-09-15 | 2008-03-31 | 13F-HR/A | Segall Bryant And Hamill | Institution | 11,562 | No Change | 0 | 0 % | $409,757 | $473,001 | $63,244 | 15.43 % | $0 | | | | | | News Article | History of Segall Bryant And Hamill Ownership Of Pioneer Natural Resources Co |
| 2009-09-11 | 2009-06-30 | 13F-HR/A | Barclays Global Investors Uk Holdings Ltd | Institution | 4,993,108 | Sold Some | -80,105 | -1.57 % | $165,421,668 | $204,268,048 | $38,846,380 | 23.48 % | $-623,217 | | | | | | News Article | History of Barclays Global Investors Uk Holdings Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-09-11 | 2009-06-30 | 13F-HR/A | Barclays Global Investors Uk Holdings Ltd | Institution | 5,273,080 | Added More | 199,867 | 3.93 % | $174,697,140 | $215,721,703 | $41,024,562 | 23.48 % | $1,554,965 | | | | | | News Article | History of Barclays Global Investors Uk Holdings Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-09-09 | 2009-06-30 | N-CSRS | Penn Series Funds Inc - Large Cap Growth Fund | Large-Cap Growth | | Sold All | -31,230 | -100 % | | | | 34.57 % | $-328,227 | | | | | | News Article | History of Penn Series Funds Inc - Large Cap Growth Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Allianz Variable Insurance Products Trust - Azl S And P 500 Index Fund | S&P 500 Index | 5,472 | Added More | 1,257 | 29.82 % | $164,488 | $223,860 | $59,371 | 36.09 % | $13,638 | | | | | | News Article | History of Allianz Variable Insurance Products Trust - Azl S And P 500 Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Barclays Global Investors Funds - Bond Index Fund | Specialty & Misc | 24,383 | No Change | 0 | 0 % | $732,953 | $997,509 | $264,556 | 36.09 % | $0 | | | | | | News Article | History of Barclays Global Investors Funds - Bond Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Calvert Variable Series Inc - Ameritas Mid Cap Growth Portfolio | Mid-Cap Growth | | Sold All | -8,795 | -100 % | | | | 36.09 % | $-95,426 | | | | | | News Article | History of Calvert Variable Series Inc - Ameritas Mid Cap Growth Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Master Investment Portfolio - S And P 500 Index Master Portfolio | S&P 500 Index | 24,383 | No Change | 0 | 0 % | $732,953 | $997,509 | $264,556 | 36.09 % | $0 | | | | | | News Article | History of Master Investment Portfolio - S And P 500 Index Master Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSR | Morgan Stanley Equally Weighted S And P 500 Fund - None | Specialty & Misc | | Sold All | -85,293 | -100 % | | | | 36.09 % | $-925,429 | | | | | | News Article | History of Morgan Stanley Equally Weighted S And P 500 Fund - None Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Morgan Stanley Select Dimensions Investment Series - Utilities Portfolio | Utility | | Sold All | -7,635 | -100 % | | | | 36.09 % | $-82,840 | | | | | | News Article | History of Morgan Stanley Select Dimensions Investment Series - Utilities Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Morgan Stanley Variable Investment Series - Information Portfolio | Specialty & Misc | | Sold All | -1,662 | -100 % | | | | 36.09 % | $-18,033 | | | | | | News Article | History of Morgan Stanley Variable Investment Series - Information Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSR | Nuveen Investment Trust - Nuveen Enhanced Mid-Cap Fund | No Data | 240 | New Holding | 240 | 100 % | $7,214 | $9,818 | $2,604 | 36.09 % | $2,604 | | | | | | News Article | History of Nuveen Investment Trust - Nuveen Enhanced Mid-Cap Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSR | Revenueshares Etf Trust - Revenueshares Large Cap Fund | Large-Cap Core | 698 | Added More | 132 | 23.32 % | $20,982 | $28,555 | $7,573 | 36.09 % | $1,432 | | | | | | News Article | History of Revenueshares Etf Trust - Revenueshares Large Cap Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Rydex Series Funds - Banking Fund | Financial Services | 1,920 | Added More | 110 | 6.07 % | $57,715 | $78,547 | $20,832 | 36.09 % | $1,194 | | | | | | News Article | History of Rydex Series Funds - Banking Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Rydex Variable Trust - Biotechnology Fund | Health/Biotech | 160 | Added More | 30 | 23.07 % | $4,810 | $6,546 | $1,736 | 36.09 % | $326 | | | | | | News Article | History of Rydex Variable Trust - Biotechnology Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Rydex Variable Trust - Energy Fund | Specialty & Misc | 9,840 | New Holding | 9,840 | 100 % | $295,790 | $402,554 | $106,764 | 36.09 % | $106,764 | | | | | | News Article | History of Rydex Variable Trust - Energy Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Rydex Variable Trust - Nova Fund | Specialty & Misc | 400 | Added More | 90 | 29.03 % | $12,024 | $16,364 | $4,340 | 36.09 % | $977 | | | | | | News Article | History of Rydex Variable Trust - Nova Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Summit Mutual Funds Inc - Balanced Index Portfolio | Flexible Portfolio | 119 | No Change | 0 | 0 % | $3,577 | $4,868 | $1,291 | 36.09 % | $0 | | | | | | News Article | History of Summit Mutual Funds Inc - Balanced Index Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-08 | 2009-06-30 | N-CSRS | Summit Mutual Funds Inc - Zenith Portfolio | Specialty & Misc | 3,006 | Sold Some | -156 | -4.93 % | $90,360 | $122,975 | $32,615 | 36.09 % | $-1,693 | | | | | | News Article | History of Summit Mutual Funds Inc - Zenith Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Advanced Series Trust - Ast Pimco Total Return Bond Portfolio | Specialty & Misc | | Sold All | -7,100 | -100 % | | | | 41.55 % | $-85,271 | | | | | | News Article | History of Advanced Series Trust - Ast Pimco Total Return Bond Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Axa Premier Vip Trust - Multimanager Small Cap Value Portfolio | Small-Cap Value | 157,340 | Added More | 4,670 | 3.05 % | $4,547,126 | $6,436,779 | $1,889,653 | 41.55 % | $56,087 | | | | | | News Article | History of Axa Premier Vip Trust - Multimanager Small Cap Value Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Eq Advisors Trust - Eqalliancebernstein Value Portfolio | Multi-Cap Value | 144,079 | Added More | 3,260 | 2.31 % | $4,163,883 | $5,894,272 | $1,730,389 | 41.55 % | $39,153 | | | | | | News Article | History of Eq Advisors Trust - Eqalliancebernstein Value Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Eq Advisors Trust - Eqbond Index Portfolio | Specialty & Misc | 51,850 | New Holding | 51,850 | 100 % | $1,498,465 | $2,121,184 | $622,719 | 41.55 % | $622,719 | | | | | | News Article | History of Eq Advisors Trust - Eqbond Index Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Eq Advisors Trust - Eqequity 500 Index Portfolio | S&P 500 Index | 33,329 | No Change | 0 | 0 % | $963,208 | $1,363,489 | $400,281 | 41.55 % | $0 | | | | | | News Article | History of Eq Advisors Trust - Eqequity 500 Index Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Eq Advisors Trust - Eqinternational Growth Portfolio | Multi-Cap Growth | 2,000 | New Holding | 2,000 | 100 % | $57,800 | $81,820 | $24,020 | 41.55 % | $24,020 | | | | | | News Article | History of Eq Advisors Trust - Eqinternational Growth Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Eq Advisors Trust - Eqmutual Shares Portfolio | Specialty & Misc | 4,200 | New Holding | 4,200 | 100 % | $121,380 | $171,822 | $50,442 | 41.55 % | $50,442 | | | | | | News Article | History of Eq Advisors Trust - Eqmutual Shares Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Eq Advisors Trust - Eqtcw Equity Portfolio | Specialty & Misc | 9,816 | New Holding | 9,816 | 100 % | $283,682 | $401,573 | $117,890 | 41.55 % | $117,890 | | | | | | News Article | History of Eq Advisors Trust - Eqtcw Equity Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Homestead Funds Inc - Stock Index Fund | Specialty & Misc | | Sold All | -24,383 | -100 % | | | | 41.55 % | $-292,840 | | | | | | News Article | History of Homestead Funds Inc - Stock Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Homestead Funds Inc - Value Fund | Multi-Cap Value | 24,383 | No Change | 0 | 0 % | $704,669 | $997,509 | $292,840 | 41.55 % | $0 | | | | | | News Article | History of Homestead Funds Inc - Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Massmutual Select Funds - Massmutual Select Indexed Equity Fund | S&P 500 Index | 20,100 | Sold Some | -500 | -2.42 % | $580,890 | $822,291 | $241,401 | 41.55 % | $-6,005 | | | | | | News Article | History of Massmutual Select Funds - Massmutual Select Indexed Equity Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Massmutual Select Funds - Massmutual Select Mid Cap Growth Equity Fund | Mid-Cap Growth | | Sold All | -9,100 | -100 % | | | | 41.55 % | $-109,291 | | | | | | News Article | History of Massmutual Select Funds - Massmutual Select Mid Cap Growth Equity Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Mma Praxis Mutual Funds - Mma Praxis Value Index Fund | Large-Cap Value | 2,500 | No Change | 0 | 0 % | $72,250 | $102,275 | $30,025 | 41.55 % | $0 | | | | | | News Article | History of Mma Praxis Mutual Funds - Mma Praxis Value Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Morgan Stanley Institutional Fund Inc - Us Smallmid Cap Value Portfolio | No Data | 10,600 | No Change | 0 | 0 % | $306,340 | $433,646 | $127,306 | 41.55 % | $0 | | | | | | News Article | History of Morgan Stanley Institutional Fund Inc - Us Smallmid Cap Value Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Profunds - Bull Profund | Large-Cap Core | 24,129 | Added More | 22,059 | 1065.65 % | $697,328 | $987,117 | $289,789 | 41.55 % | $264,929 | | | | | | News Article | History of Profunds - Bull Profund Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Profunds - Profund Vp Bull | Specialty & Misc | 2,205 | Added More | 1,302 | 144.18 % | $63,725 | $90,207 | $26,482 | 41.55 % | $15,637 | | | | | | News Article | History of Profunds - Profund Vp Bull Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Profunds - Profund Vp Internet | Global Flex Port | | Sold All | -8,304 | -100 % | | | | 41.55 % | $-99,731 | | | | | | News Article | History of Profunds - Profund Vp Internet Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Profunds - Profund Vp Ultrabull | Specialty & Misc | 462 | Added More | 294 | 175.00 % | $13,352 | $18,900 | $5,549 | 41.55 % | $3,531 | | | | | | News Article | History of Profunds - Profund Vp Ultrabull Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Seligman Common Stock Fund Inc - Seligman Common Stock Fund Inc | Large-Cap Core | 10,313 | No Change | 0 | 0 % | $298,046 | $421,905 | $123,859 | 41.55 % | $0 | | | | | | News Article | History of Seligman Common Stock Fund Inc - Seligman Common Stock Fund Inc Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Sun Capital Advisers Trust - Sc Goldman Sachs Mid Cap Value Fund | No Data | 32,025 | Added More | 21,983 | 218.91 % | $925,523 | $1,310,143 | $384,620 | 41.55 % | $264,016 | | | | | | News Article | History of Sun Capital Advisers Trust - Sc Goldman Sachs Mid Cap Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Vanguard Institutional Index Funds - Vanguard Institutional Index Fund | Specialty & Misc | | Sold All | -871,534 | -100 % | | | | 41.55 % | $-10,467,123 | | | | | | News Article | History of Vanguard Institutional Index Funds - Vanguard Institutional Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Vanguard Variable Insurance Funds - Balanced Portfolio | Flexible Portfolio | | Sold All | -41,078 | -100 % | | | | 41.55 % | $-493,347 | | | | | | News Article | History of Vanguard Variable Insurance Funds - Balanced Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-30 | N-CSRS | Vanguard Variable Insurance Funds - Equity Index Portfolio | Specialty & Misc | | Sold All | -23,309 | -100 % | | | | 41.55 % | $-279,941 | | | | | | News Article | History of Vanguard Variable Insurance Funds - Equity Index Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-04 | 2009-06-10 | N-CSRS | Jpmorgan Insurance Trust - Jpmorgan Insurance Trust Equity Index Portfolio | Specialty & Misc | 1,050 | Sold Some | -48 | -4.37 % | $30,345 | $42,956 | $12,611 | 41.55 % | $-576 | | | | | | News Article | History of Jpmorgan Insurance Trust - Jpmorgan Insurance Trust Equity Index Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Foresight Funds Inc - Foresight Value Fund | Multi-Cap Value | 700 | New Holding | 700 | 100 % | $19,936 | $28,637 | $8,701 | 43.64 % | $8,701 | | | | | | News Article | History of Foresight Funds Inc - Foresight Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Gartmore Variable Insurance Trust - Nvit Multi-Manager Mid Cap Value Fund | No Data | 14,701 | New Holding | 14,701 | 100 % | $418,684 | $601,418 | $182,733 | 43.64 % | $182,733 | | | | | | News Article | History of Gartmore Variable Insurance Trust - Nvit Multi-Manager Mid Cap Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Ing Investors Trust - Ing International Portfolio | Global Flex Port | | Sold All | -511,065 | -100 % | | | | 43.64 % | $-6,352,538 | | | | | | News Article | History of Ing Investors Trust - Ing International Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Ing Investors Trust - Ing Stock Index Portfolio | Specialty & Misc | 9,300 | Added More | 3,900 | 72.22 % | $264,864 | $380,463 | $115,599 | 43.64 % | $48,477 | | | | | | News Article | History of Ing Investors Trust - Ing Stock Index Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Ing Variable Portfolios Inc - Ing International Index Portfolio | No Data | 16,350 | New Holding | 16,350 | 100 % | $465,648 | $668,879 | $203,231 | 43.64 % | $203,231 | | | | | | News Article | History of Ing Variable Portfolios Inc - Ing International Index Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Jnl Variable Fund Llc - Jnlmcm Oil Gas Sector Fund | No Data | 43 | Added More | 4 | 10.25 % | $1,225 | $1,759 | $534 | 43.64 % | $50 | | | | | | News Article | History of Jnl Variable Fund Llc - Jnlmcm Oil Gas Sector Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Mainstay Vp Series Fund Inc - Vp Value Portfolio | Multi-Cap Value | | Sold All | -11,253 | -100 % | | | | 43.64 % | $-139,875 | | | | | | News Article | History of Mainstay Vp Series Fund Inc - Vp Value Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Mml Series Investment Fund - Mml Equity Index | Specialty & Misc | 3,400 | Sold Some | -200 | -5.55 % | $96,832 | $139,094 | $42,262 | 43.64 % | $-2,486 | | | | | | News Article | History of Mml Series Investment Fund - Mml Equity Index Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Mml Series Investment Fund Ii - Mml Blend Fund | Specialty & Misc | 1,500 | Sold Some | -3,300 | -68.75 % | $42,720 | $61,365 | $18,645 | 43.64 % | $-41,019 | | | | | | News Article | History of Mml Series Investment Fund Ii - Mml Blend Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Mml Series Investment Fund Ii - Mml Enhanced Index Core Equity Fund | Multi-Cap Core | 200 | No Change | 0 | 0 % | $5,696 | $8,182 | $2,486 | 43.64 % | $0 | | | | | | News Article | History of Mml Series Investment Fund Ii - Mml Enhanced Index Core Equity Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Pacific Select Fund - Pacific Select Fund | Pacific Region | 114,456 | New Holding | 114,456 | 100 % | $3,259,707 | $4,682,395 | $1,422,688 | 43.64 % | $1,422,688 | | | | | | News Article | History of Pacific Select Fund - Pacific Select Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSRS | Pacific Select Fund - Pd Large-Cap Value Index Portfolio | No Data | 341 | No Compare | | | $9,712 | $13,950 | $4,239 | 43.64 % | | | | | | | News Article | History of Pacific Select Fund - Pd Large-Cap Value Index Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-03 | 2009-06-30 | N-CSR | Streettracks Series Trust - Spdr Dividend Etf | Specialty & Misc | | Sold All | -446,052 | -100 % | | | | 43.64 % | $-5,544,426 | | | | | | News Article | History of Streettracks Series Trust - Spdr Dividend Etf Ownership Of Pioneer Natural Resources Co |
| 2009-09-02 | 2009-06-30 | N-CSRS | Advisors Series Trust - Castlerock Fund | Specialty & Misc | 6,765 | New Holding | 6,765 | 100 % | $191,382 | $276,756 | $85,374 | 44.60 % | $85,374 | | | | | | News Article | History of Advisors Series Trust - Castlerock Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-02 | 2009-06-30 | N-CSRS | Dws Equity 500 Index Portfolio - Dws Equity 500 Index Portfolio | S&P 500 Index | 31,300 | Sold Some | -1,200 | -3.69 % | $885,477 | $1,280,483 | $395,006 | 44.60 % | $-15,144 | | | | | | News Article | History of Dws Equity 500 Index Portfolio - Dws Equity 500 Index Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-09-02 | 2009-06-30 | N-CSRS | Dws Institutional Funds - Dws Equity 500 Index Fund | S&P 500 Index | 31,300 | Sold Some | -1,200 | -3.69 % | $885,477 | $1,280,483 | $395,006 | 44.60 % | $-15,144 | | | | | | News Article | History of Dws Institutional Funds - Dws Equity 500 Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-02 | 2009-06-30 | N-CSRS | Legg Mason Partners Equity Trust - Legg Mason Partners S And P 500 Index Fund | S&P 500 Index | 3,455 | New Holding | 3,455 | 100 % | $97,742 | $141,344 | $43,602 | 44.60 % | $43,602 | | | | | | News Article | History of Legg Mason Partners Equity Trust - Legg Mason Partners S And P 500 Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-02 | 2009-06-30 | N-CSRS | Schwab Capital Trust - Schwab Technology Fund | Science & Tech | | Sold All | -104,600 | -100 % | | | | 44.60 % | $-1,320,052 | | | | | | News Article | History of Schwab Capital Trust - Schwab Technology Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-01 | 2009-06-30 | 13F-HR/A | Amvescap Plc | Institution | 709,940 | Sold Some | -736,948 | -50.93 % | $20,261,688 | $29,043,645 | $8,781,958 | 43.34 % | $-9,116,047 | | | | | | News Article | History of Amvescap Plc Ownership Of Pioneer Natural Resources Co |
| 2009-09-01 | 2009-06-30 | 13F-HR/A | Fidelity International Ltd | Institution | 206,790 | New Holding | 206,790 | 100 % | $5,901,787 | $8,459,779 | $2,557,992 | 43.34 % | $2,557,992 | | | | | | News Article | History of Fidelity International Ltd Ownership Of Pioneer Natural Resources Co |
| 2009-09-01 | 2009-06-30 | 13F-HR/A | Fmr Corp | Institution | 343,317 | Sold Some | -4,458,712 | -92.85 % | $9,798,267 | $14,045,098 | $4,246,831 | 43.34 % | $-55,154,267 | | | | | | News Article | History of Fmr Corp Ownership Of Pioneer Natural Resources Co |
| 2009-09-01 | 2009-06-30 | N-CSR | Munder Series Trust - Munder Index 500 Fund | S&P 500 Index | | Sold All | -4,246 | -100 % | | | | 43.34 % | $-52,523 | | | | | | News Article | History of Munder Series Trust - Munder Index 500 Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-01 | 2009-06-30 | N-Q/A | Rydex Series Funds - Energy Fund | Natural Resources | 14,420 | New Holding | 14,420 | 100 % | $411,547 | $589,922 | $178,375 | 43.34 % | $178,375 | | | | | | News Article | History of Rydex Series Funds - Energy Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-01 | 2009-06-30 | N-Q/A | Rydex Series Funds - Nova Fund | Large-Cap Core | 680 | Sold Some | -40 | -5.55 % | $19,407 | $27,819 | $8,412 | 43.34 % | $-495 | | | | | | News Article | History of Rydex Series Funds - Nova Fund Ownership Of Pioneer Natural Resources Co |
| 2009-09-01 | 2009-06-30 | N-CSRS | Tiaa Separate Account Va 1 - Stock Index Account | Specialty & Misc | 6,686 | Sold Some | -472 | -6.59 % | $190,818 | $273,524 | $82,706 | 43.34 % | $-5,839 | | | | | | News Article | History of Tiaa Separate Account Va 1 - Stock Index Account Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-CSRS | Bb And T Funds - Equity Index Fund | S&P 500 Index | 24,383 | No Change | 0 | 0 % | $706,132 | $997,509 | $291,377 | 41.26 % | $0 | | | | | | News Article | History of Bb And T Funds - Equity Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q | Dryden Index Series Fund - Dryden Stock Index Fund | Specialty & Misc | 8,800 | New Holding | 8,800 | 100 % | $254,848 | $360,008 | $105,160 | 41.26 % | $105,160 | | | | | | News Article | History of Dryden Index Series Fund - Dryden Stock Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q | Sei Institutional Managed Trust - Large Cap Diversified Alpha Fund | Large-Cap Core | 4,300 | Sold Some | -35,236 | -89.12 % | $124,528 | $175,913 | $51,385 | 41.26 % | $-421,070 | | | | | | News Article | History of Sei Institutional Managed Trust - Large Cap Diversified Alpha Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q | Sei Institutional Managed Trust - Large Cap Growth Fund | Large-Cap Growth | | Sold All | -1,644 | -100 % | | | | 41.26 % | $-19,646 | | | | | | News Article | History of Sei Institutional Managed Trust - Large Cap Growth Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q | Sei Institutional Managed Trust - Large Cap Value Fund | Large-Cap Value | 29,500 | New Holding | 29,500 | 100 % | $854,320 | $1,206,845 | $352,525 | 41.26 % | $352,525 | | | | | | News Article | History of Sei Institutional Managed Trust - Large Cap Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q/A | Select Sector Spdr Trust - Energy Select Sector Spdr Fund | Specialty & Misc | | Sold All | -1,468,724 | -100 % | | | | 41.26 % | $-17,551,252 | | | | | | News Article | History of Select Sector Spdr Trust - Energy Select Sector Spdr Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-CSRS | Tiaa Cref Life Fund - Stock Index Fund | Specialty & Misc | 1,352 | No Change | 0 | 0 % | $39,154 | $55,310 | $16,156 | 41.26 % | $0 | | | | | | News Article | History of Tiaa Cref Life Fund - Stock Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-CSRS | Usaa Mutual Funds Trust - Value Fund | Multi-Cap Value | 34,200 | New Holding | 34,200 | 100 % | $990,432 | $1,399,122 | $408,690 | 41.26 % | $408,690 | | | | | | News Article | History of Usaa Mutual Funds Trust - Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q | Wisdomtree Trust - Wisdomtree Diefa Fund | Specialty & Misc | | Sold All | -1,312 | -100 % | | | | 41.26 % | $-15,678 | | | | | | News Article | History of Wisdomtree Trust - Wisdomtree Diefa Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q | Wisdomtree Trust - Wisdomtree Midcap Dividend Fund | Mid-Cap Core | 7,689 | Added More | 736 | 10.58 % | $222,673 | $314,557 | $91,884 | 41.26 % | $8,795 | | | | | | News Article | History of Wisdomtree Trust - Wisdomtree Midcap Dividend Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q | Wisdomtree Trust - Wisdomtree Midcap Earnings Fund | Mid-Cap Core | 4,068 | Added More | 75 | 1.87 % | $117,809 | $166,422 | $48,613 | 41.26 % | $896 | | | | | | News Article | History of Wisdomtree Trust - Wisdomtree Midcap Earnings Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q | Wisdomtree Trust - Wisdomtree Total Dividend Fund | Specialty & Misc | 1,102 | Added More | 54 | 5.15 % | $31,914 | $45,083 | $13,169 | 41.26 % | $645 | | | | | | News Article | History of Wisdomtree Trust - Wisdomtree Total Dividend Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-31 | 2009-06-30 | N-Q | Wisdomtree Trust - Wisdomtree Total Earnings Fund | Specialty & Misc | 509 | Added More | 40 | 8.52 % | $14,741 | $20,823 | $6,083 | 41.26 % | $478 | | | | | | News Article | History of Wisdomtree Trust - Wisdomtree Total Earnings Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Axp Investment Series Inc - Riversource Disciplined Large Cap Value Fund | No Data | 9,772 | New Holding | 9,772 | 100 % | $289,740 | $399,773 | $110,033 | 37.97 % | $110,033 | | | | | | News Article | History of Axp Investment Series Inc - Riversource Disciplined Large Cap Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Calvert Social Index Series Inc - Calvert Social Index Fund | Multi-Cap Core | 1,905 | No Change | 0 | 0 % | $56,483 | $77,934 | $21,450 | 37.97 % | $0 | | | | | | News Article | History of Calvert Social Index Series Inc - Calvert Social Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Calvert Social Investment Fund - Equity Portfolio | Multi-Cap Core | 15,980 | Added More | 12,280 | 331.89 % | $473,807 | $653,742 | $179,935 | 37.97 % | $138,273 | | | | | | News Article | History of Calvert Social Investment Fund - Equity Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-CSRS | Columbia Funds Variable Insurance Trust - Columbia International Fund Variable Series | Global Flex Port | 324 | Sold Some | -5 | -1.51 % | $9,607 | $13,255 | $3,648 | 37.97 % | $-56 | | | | | | News Article | History of Columbia Funds Variable Insurance Trust - Columbia International Fund Variable Series Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Ishares Trust - Ishares Russell 1000 Index Fund | Specialty & Misc | 58,758 | Sold Some | -1,899 | -3.13 % | $1,742,175 | $2,403,790 | $661,615 | 37.97 % | $-21,383 | | | | | | News Article | History of Ishares Trust - Ishares Russell 1000 Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Ishares Trust - Ishares Russell 1000 Value Index Fund | Multi-Cap Value | 181,051 | Sold Some | -19,610 | -9.77 % | $5,368,162 | $7,406,796 | $2,038,634 | 37.97 % | $-220,809 | | | | | | News Article | History of Ishares Trust - Ishares Russell 1000 Value Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Ishares Trust - Ishares Russell 3000 Index Fund | Specialty & Misc | 33,404 | Added More | 949 | 2.92 % | $990,429 | $1,366,558 | $376,129 | 37.97 % | $10,686 | | | | | | News Article | History of Ishares Trust - Ishares Russell 3000 Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Ishares Trust - Ishares Russell 3000 Value Index Fund | Multi-Cap Value | 7,633 | Sold Some | -402 | -5.00 % | $226,318 | $312,266 | $85,948 | 37.97 % | $-4,527 | | | | | | News Article | History of Ishares Trust - Ishares Russell 3000 Value Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Ishares Trust - Ishares Russell Midcap Index Fund | Mid-Cap Core | 171,487 | Sold Some | -22,602 | -11.64 % | $5,084,590 | $7,015,533 | $1,930,944 | 37.97 % | $-254,499 | | | | | | News Article | History of Ishares Trust - Ishares Russell Midcap Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Ishares Trust - Ishares Russell Midcap Value Index Fund | Mid-Cap Value | 194,178 | Sold Some | -18,010 | -8.48 % | $5,757,378 | $7,943,822 | $2,186,444 | 37.97 % | $-202,793 | | | | | | News Article | History of Ishares Trust - Ishares Russell Midcap Value Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-CSRS | Putnam Variable Trust - Putnam Vt Mid Cap Value Fund | Mid-Cap Value | 10,950 | Added More | 880 | 8.73 % | $324,668 | $447,965 | $123,297 | 37.97 % | $9,909 | | | | | | News Article | History of Putnam Variable Trust - Putnam Vt Mid Cap Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Rainier Investment Management Mutual Funds - Rainier Balanced Portfolio | Flexible Portfolio | | Sold All | -9,200 | -100 % | | | | 37.97 % | $-103,592 | | | | | | News Article | History of Rainier Investment Management Mutual Funds - Rainier Balanced Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Rainier Investment Management Mutual Funds - Rainier Smallmid Cap Equity Portfolio | Small-Cap Core | | Sold All | -250,575 | -100 % | | | | 37.97 % | $-2,821,475 | | | | | | News Article | History of Rainier Investment Management Mutual Funds - Rainier Smallmid Cap Equity Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Riversource Investment Series Inc - Riversource Diversified Equity Income Fund | Flexible Portfolio | 385,886 | Sold Some | -73,830 | -16.05 % | $11,441,520 | $15,786,596 | $4,345,076 | 37.97 % | $-831,326 | | | | | | News Article | History of Riversource Investment Series Inc - Riversource Diversified Equity Income Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Riversource Investment Series Inc - Riversource Mid Cap Value Fund | Mid-Cap Value | 501,747 | Sold Some | -55,339 | -9.93 % | $14,876,799 | $20,526,470 | $5,649,671 | 37.97 % | $-623,117 | | | | | | News Article | History of Riversource Investment Series Inc - Riversource Mid Cap Value Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Riversource Strategic Allocation Series Inc - Riversource Strategic Allocation Fund | Flexible Portfolio | 663 | New Holding | 663 | 100 % | $19,658 | $27,123 | $7,465 | 37.97 % | $7,465 | | | | | | News Article | History of Riversource Strategic Allocation Series Inc - Riversource Strategic Allocation Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Seasons Series Trust - Large Cap Composite Portfolio | Large-Cap Core | 101 | New Holding | 101 | 100 % | $2,995 | $4,132 | $1,137 | 37.97 % | $1,137 | | | | | | News Article | History of Seasons Series Trust - Large Cap Composite Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Seasons Series Trust - Large Cap Growth Portfolio | Large-Cap Growth | 1,108 | New Holding | 1,108 | 100 % | $32,852 | $45,328 | $12,476 | 37.97 % | $12,476 | | | | | | News Article | History of Seasons Series Trust - Large Cap Growth Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Seasons Series Trust - Large Cap Value Portfolio | Large-Cap Value | 1,024 | New Holding | 1,024 | 100 % | $30,362 | $41,892 | $11,530 | 37.97 % | $11,530 | | | | | | News Article | History of Seasons Series Trust - Large Cap Value Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | N-Q | Seasons Series Trust - Mid Cap Value Portfolio | Mid-Cap Value | 3,395 | New Holding | 3,395 | 100 % | $100,662 | $138,889 | $38,228 | 37.97 % | $38,228 | | | | | | News Article | History of Seasons Series Trust - Mid Cap Value Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2009-06-30 | 13F-HR/A | Wells Fargo And Co | Institution | 1,189,345 | Sold Some | -578,861 | -32.73 % | $35,264,079 | $48,656,104 | $13,392,025 | 37.97 % | $-6,517,975 | | | | | | News Article | History of Wells Fargo And Co Ownership Of Pioneer Natural Resources Co |
| 2009-08-28 | 2008-06-30 | N-Q | Vanguard Malvern Funds - Vanguard Asset Allocation Fund | Flexible Portfolio | 84,168 | New Holding | 84,168 | 100 % | $2,495,581 | $3,443,313 | $947,732 | 37.97 % | $947,732 | | | | | | News Article | History of Vanguard Malvern Funds - Vanguard Asset Allocation Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-CSRS | Janus Aspen Series - Balanced Portfolio | Mixed-Asset Target Allocation Growth | 1,100 | New Holding | 1,100 | 100 % | $32,780 | $45,001 | $12,221 | 37.28 % | $12,221 | | | | | | News Article | History of Janus Aspen Series - Balanced Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-CSRS | Janus Aspen Series - Growth And Income Portfolio | Multi-Cap Growth | | Sold All | -2,400 | -100 % | | | | 37.28 % | $-26,664 | | | | | | News Article | History of Janus Aspen Series - Growth And Income Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-CSRS | Lincoln Variable Insurance Products Trust - Core Fund | Multi-Cap Core | | Sold All | -5,700 | -100 % | | | | 37.28 % | $-63,327 | | | | | | News Article | History of Lincoln Variable Insurance Products Trust - Core Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-Q | Mgi Funds - Mgi Us Large Cap Growth Equity Fund | Large-Cap Growth | 9,100 | New Holding | 9,100 | 100 % | $271,180 | $372,281 | $101,101 | 37.28 % | $101,101 | | | | | | News Article | History of Mgi Funds - Mgi Us Large Cap Growth Equity Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-Q | Mgi Funds - Mgi Us Large Cap Value Equity Fund | Large-Cap Value | 2,500 | New Holding | 2,500 | 100 % | $74,500 | $102,275 | $27,775 | 37.28 % | $27,775 | | | | | | News Article | History of Mgi Funds - Mgi Us Large Cap Value Equity Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-Q | Tiaa Cref Institutional Mutual Funds - Equity Index Fund | Specialty & Misc | 24,058 | Sold Some | -23,486 | -49.39 % | $716,928 | $984,213 | $267,284 | 37.28 % | $-260,929 | | | | | | News Article | History of Tiaa Cref Institutional Mutual Funds - Equity Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-Q | Tiaa Cref Institutional Mutual Funds - Growth Equity Fund | Multi-Cap Growth | 56,807 | Added More | 6,566 | 13.06 % | $1,692,849 | $2,323,974 | $631,126 | 37.28 % | $72,948 | | | | | | News Article | History of Tiaa Cref Institutional Mutual Funds - Growth Equity Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-CSRS | Vanguard Index Funds - Vanguard 500 Index Fund | S&P 500 Index | | Sold All | -2,387,780 | -100 % | | | | 37.28 % | $-26,528,236 | | | | | | News Article | History of Vanguard Index Funds - Vanguard 500 Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-CSRS | Vanguard Index Funds - Vanguard Total Stock Market Index Fund | Multi-Cap Core | 1,078,467 | Added More | 18,665 | 1.76 % | $32,138,317 | $44,120,085 | $11,981,768 | 37.28 % | $207,368 | | | | | | News Article | History of Vanguard Index Funds - Vanguard Total Stock Market Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2009-06-30 | N-CSRS | Vanguard Index Funds - Vanguard Value Index Fund | Large-Cap Value | 238,520 | Sold Some | -14,502 | -5.73 % | $7,107,896 | $9,757,853 | $2,649,957 | 37.28 % | $-161,117 | | | | | | News Article | History of Vanguard Index Funds - Vanguard Value Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2008-06-30 | N-CSRS | Vanguard Balanced Index Funds - Vanguard Balanced Index Fund | Mixed-Asset Target Allocation Growth | 45,509 | Sold Some | -2,000 | -4.20 % | $1,356,168 | $1,861,773 | $505,605 | 37.28 % | $-22,220 | | | | | | News Article | History of Vanguard Balanced Index Funds - Vanguard Balanced Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-27 | 2008-06-30 | N-CSRS | Vanguard Balanced Index Funds - Vanguard Balanced Index Fund | Mixed-Asset Target Allocation Growth | 54,409 | Added More | 6,900 | 14.52 % | $1,621,388 | $2,225,872 | $604,484 | 37.28 % | $76,659 | | | | | | News Article | History of Vanguard Balanced Index Funds - Vanguard Balanced Index Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-26 | 2009-06-30 | N-Q | Ge Institutional Funds - Income Fund | Equity Income | 500 | New Holding | 500 | 100 % | $15,005 | $20,455 | $5,450 | 36.32 % | $5,450 | | | | | | News Article | History of Ge Institutional Funds - Income Fund Ownership Of Pioneer Natural Resources Co |
| 2009-08-25 | 2009-06-30 | 13F-HR/A | Jefferies Group Inc | Institution | 15,038 | Sold Some | -51,251 | -77.31 % | $457,155 | $615,205 | $158,049 | 34.57 % | $-538,648 | | | | | | News Article | History of Jefferies Group Inc Ownership Of Pioneer Natural Resources Co |
| 2009-08-25 | 2009-06-30 | N-CSRS | Maxim Series Fund Inc - Maxim Midcap Value Portfolio | No Data | | Sold All | -27,945 | -100 % | | | | 34.57 % | $-293,702 | | | | | | News Article | History of Maxim Series Fund Inc - Maxim Midcap Value Portfolio Ownership Of Pioneer Natural Resources Co |
| 2009-08-24 | 2009-06-30 | N-Q | Dreyfus Premier Opportunity Funds - Natural Resources Fund | Natural Resources | | Sold All | -7,260 | -100 % | | | | 29.91 % | $-68,389 | | | | | | News Article | History of Dreyfus Premier Opportunity Funds - Natural Resources Fund Ownership Of Pioneer Natural Resources Co |
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