ACGL is a Bermuda-domiciled specialty insurer/reinsurer with three segments (Insurance, Reinsurance, Mortgage). At March 31, 2026, consolidated total assets are $81.4B against total liabilities of $57.3B, yielding GAAP equity of $24.2B. Under a liquidation lens, recovery to common equity is materially compressed relative to book value. The dominant liability is the loss reserve stack: LiabilityForClaimsAndClaimsAdjustmentExpense of $34.1B gross, net of reinsurance recoverables ($9.7B, subject to counterparty credit risk) leaving net reserves of approximately $24.2B. Reserves are carried at nominal/undiscounted face value; in liquidation they would not extinguish at a discount. The investment portfolio ($46.8B total investments) is the primary liquidating asset. Available-for-sale fixed maturities have fair value of $35.0B against amortized cost of $35.3B, reflecting a net unrealized loss position of $259M pre-tax. Gross unrealized losses of $450M are concentrated in positions held less than 12 months ($267M) and longer ($183M). A forced-sale liquidation of fixed income positions would likely realize close to par given high credit quality and short-to-medium duration, though a 100bp parallel rate shock reduces the fixed income portfolio fair value by approximately $1.2B (2.7%), a meaningful haircut at scale. Equity securities ($1.8B) and other investments ($3.3B) carry higher haircut risk; a 10% equity decline alone reduces book value by $180M. Goodwill and intangibles total $1.19B and receive a 0% recovery haircut under the lens, wiping that value entirely. DeferredPolicyAcquisitionCosts ($1.77B) are similarly non-recoverable. Reinsurance recoverables ($9.7B gross) carry credit risk from cedants/reinsurers but are a real asset; under liquidation the $18M allowance is nominal relative to the exposure. Unearned premiums liability of $10.9B and reinsurance payables of $2.7B remain at face. Senior notes of $2.75B principal ($2.73B carrying) stay at face. The net effect: tangible recoverable assets (investments at fair value, cash, premiums receivable at ~92% haircut, reinsurance recoverables) less all liabilities at face value narrows recovery sharply. MFFAIS reports CLV/LLV/OLV at $914M—matching CashAndCashEquivalentsAtCarryingValue exactly—suggesting the model is flooring at cash and treating everything else as offset by liabilities, consistent with the structural features of a leveraged (re)insurer. Quarter-over-quarter changes of note: share repurchases consumed $783M in Q1 2026 (vs. $196M in Q1 2025), reducing the equity buffer. The December 26 debt (Arch Finance $500M at 4.011%) matures within the year, representing a near-term cash obligation. PMIERs sufficiency ratio for Arch MI U.S. declined from 179% at YE2025 to 175%, with a phase-in of new investment risk deductions that will further reduce available assets through September 2026 (pro-forma fully-phased impact: 173%). Filing discusses catastrophe PML of $1.9B (Florida Tri-County windstorm at 1-in-250 year) and mortgage RDS loss of $924M in MD&A but does not separately XBRL-tag those contingent exposure metrics.
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