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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Assets |  |
Common equity securities, at fair value | $ 483.0 | $ 650.0
Other long-term investments | 2,958.5 | 2,150.2
Total investments | 8,323.9 | 6,417.6
Goodwill and other intangible assets | 1,020.2 | 720.3
Total assets | 12,306.5 | 9,925.6
Liabilities |  |
Debt | 837.0 | 562.5
Total liabilities | 6,051.4 | 4,794.6
Redeemable noncontrolling interests | 131.5 | 0.0
White Mountains’s common shareholders’ equity |  |
White Mountains’s common shares at $1 par value per share—authorized 50,000,000 shares; issued and outstanding 2,479,677 and 2,568,148 shares | 2.5 | 2.6
Paid-in surplus | 576.5 | 563.8
Retained earnings | 4,845.6 | 3,919.0
Accumulated other comprehensive income (loss), after-tax: |  |
Net unrealized gains (losses) from foreign currency translation | 0.8 | (1.7)
Total White Mountains’s common shareholders’ equity | 5,425.4 | 4,483.7
Nonredeemable noncontrolling interests | 698.2 | 647.3
Total equity | 6,123.6 | 5,131.0
Total liabilities, redeemable noncontrolling interests and equity | 12,306.5 | 9,925.6
Other Operations |  |
Assets |  |
Fixed maturity investments, at fair value | 159.2 | 293.7
Common equity securities, at fair value | 30.7 | 224.6
Investment in MediaAlpha, at fair value | 231.2 | 201.6
Short-term investments, at fair value | 807.4 | 260.1
Other long-term investments | 977.4 | 588.4
Total investments | 2,205.9 | 1,568.4
Cash | 42.8 | 37.6
Goodwill and other intangible assets | 142.3 | 64.8
Other assets | 181.9 | 75.8
Total assets | 2,577.9 | 2,338.8
Liabilities |  |
Loss and loss adjustment expense reserves | 13.6 | 12.1
Unearned insurance premiums | 9.6 | 29.0
Debt | 38.3 | 22.0
Accrued incentive compensation | 102.9 | 79.3
Other liabilities | 101.4 | 33.0
Total liabilities | 269.4 | 349.0
Redeemable noncontrolling interests | 0.0 |
Accumulated other comprehensive income (loss), after-tax: |  |
Total White Mountains’s common shareholders’ equity | 2,272.0 | 1,867.1
Nonredeemable noncontrolling interests | 36.5 | 122.7
Other Operations | Bamboo Group |  |
Assets |  |
Total investments |  | 58.0
Assets held for sale | 0.0 | 585.7
Liabilities |  |
Total liabilities held for sale | 0.0 | 167.7
Other Operations | Other Disposal Group |  |
Assets |  |
Total investments | 1.0 | 2.0
Assets held for sale | 5.0 | 6.5
Liabilities |  |
Total liabilities held for sale | 3.6 | 5.9
P&C Insurance and Reinsurance (Ark/WM Outrigger) |  |
Liabilities |  |
Loss and loss adjustment expense reserves | 2,481.0 | 2,127.5
P&C Insurance and Reinsurance (Ark/WM Outrigger) | Operating Segments |  |
Assets |  |
Fixed maturity investments, at fair value | 1,917.9 | 1,565.1
Common equity securities, at fair value | 452.3 | 425.4
Short-term investments, at fair value | 866.6 | 601.4
Other long-term investments | 689.7 | 547.8
Total investments | 3,926.5 | 3,139.7
Cash | 104.8 | 141.2
Reinsurance recoverables | 836.1 | 589.0
Insurance premiums receivable | 848.4 | 768.6
Deferred acquisition costs | 211.1 | 165.2
Goodwill and other intangible assets | 292.5 | 292.5
Other assets | 134.7 | 202.8
Total assets | 6,354.1 | 5,299.0
Liabilities |  |
Loss and loss adjustment expense reserves | 2,481.0 | 2,127.5
Unearned insurance premiums | 1,026.1 | 853.3
Debt | 159.7 | 154.5
Reinsurance payable | 286.2 | 149.5
Contingent consideration | 328.3 | 155.3
Other liabilities | 247.2 | 224.7
Total liabilities | 4,528.5 | 3,664.8
Redeemable noncontrolling interests | 0.0 |
Accumulated other comprehensive income (loss), after-tax: |  |
Total White Mountains’s common shareholders’ equity | 1,360.4 | 1,223.8
Nonredeemable noncontrolling interests | 465.2 | 410.4
Financial Guarantee (HG Global) | Operating Segments |  |
Assets |  |
Fixed maturity investments, at fair value | 693.4 | 612.1
Short-term investments, at fair value | 90.8 | 55.5
Total investments | 784.2 | 667.6
Cash | 0.1 | 11.5
BAM Surplus Notes, at fair value | 339.0 | 381.7
Insurance premiums receivable | 11.4 | 4.4
Deferred acquisition costs | 96.9 | 86.6
Other assets | 5.2 | 27.6
Total assets | 1,236.8 | 1,179.4
Liabilities |  |
Unearned insurance premiums | 327.9 | 297.3
Debt | 147.8 | 147.4
Other liabilities | 23.8 | 19.4
Total liabilities | 499.5 | 464.1
Redeemable noncontrolling interests | 0.0 |
Accumulated other comprehensive income (loss), after-tax: |  |
Total White Mountains’s common shareholders’ equity | 755.7 | 728.7
Nonredeemable noncontrolling interests | (18.4) | (13.4)
Asset Management (Kudu) | Operating Segments |  |
Assets |  |
Short-term investments, at fair value | 21.9 | 27.9
Other long-term investments | 1,291.4 | 1,014.0
Total investments | 1,313.3 | 1,041.9
Cash | 34.5 | 0.6
Accrued investment income | 25.3 | 18.0
Goodwill and other intangible assets | 7.7 | 8.0
Other assets | 21.5 | 39.9
Total assets | 1,402.3 | 1,108.4
Liabilities |  |
Debt | 350.4 | 238.6
Other liabilities | 96.5 | 78.1
Total liabilities | 446.9 | 316.7
Redeemable noncontrolling interests | 0.0 |
Accumulated other comprehensive income (loss), after-tax: |  |
Total White Mountains’s common shareholders’ equity | 814.2 | 664.1
Nonredeemable noncontrolling interests | 141.2 | 127.6
Specialty Insurance Distribution (Distinguished) | Operating Segments |  |
Assets |  |
Short-term investments, at fair value | 94.0 | 0.0
Total investments | 94.0 | 0.0
Cash | 2.7 | 0.0
Premiums, commissions and fees receivable | 45.7 | 0.0
Goodwill and other intangible assets | 577.7 | 0.0
Other assets | 15.3 | 0.0
Total assets | 735.4 | 0.0
Liabilities |  |
Debt | 140.8 | 0.0
Premiums and commissions payable | 81.3 | 0.0
Other liabilities | 85.0 | 0.0
Total liabilities | 307.1 | 0.0
Redeemable noncontrolling interests | 131.5 |
Accumulated other comprehensive income (loss), after-tax: |  |
Total White Mountains’s common shareholders’ equity | 223.1 | 0.0
Nonredeemable noncontrolling interests | $ 73.7 | $ 0.0

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