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WHITE MOUNTAINS INSURANCE GROUP LTD

For the period ended Dec 31, 2025. Filed Feb 27, 2026.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 27, 2026

WTM$2,280.00+1.1%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Consolidated balance sheets as of December 31, 202 and

CONSOLIDATED BALANCE SHEETS

December 31,
Millions, except share and per share amounts20252024
Assets
P&C Insurance and Reinsurance (Ark/WM Outrigger)
Fixed maturity investments, at fair value$1,917.9$1,565.1
Common equity securities, at fair value452.3425.4
Short-term investments, at fair value866.6601.4
Other long-term investments689.7547.8
Total investments3,926.53,139.7
Cash (restricted $1.1 and $14.1)104.8141.2
Reinsurance recoverables836.1589.0
Insurance premiums receivable848.4768.6
Deferred acquisition costs211.1165.2
Goodwill and other intangible assets292.5292.5
Other assets134.7202.8
Total P&C Insurance and Reinsurance assets6,354.15,299.0
Financial Guarantee (HG Global)
Fixed maturity investments, at fair value693.4612.1
Short-term investments, at fair value90.855.5
Total investments784.2667.6
Cash.111.5
BAM Surplus Notes, at fair value339.0381.7
Insurance premiums receivable11.44.4
Deferred acquisition costs96.986.6
Other assets5.227.6
Total Financial Guarantee assets1,236.81,179.4
Asset Management (Kudu)
Short-term investments, at fair value21.927.9
Other long-term investments1,291.41,014.0
Total investments1,313.31,041.9
Cash34.5.6
Accrued investment income25.318.0
Goodwill and other intangible assets7.78.0
Other assets21.539.9
Total Asset Management assets1,402.31,108.4
Specialty Insurance Distribution (Distinguished)
Short-term investments, at fair value94.0—
Total investments94.0—
Cash (restricted $0.1 and $0.0)2.7—
Premiums, commissions and fees receivable45.7—
Goodwill and other intangible assets577.7—
Other assets15.3—
Total Specialty Insurance Distribution assets735.4—
Other Operations
Fixed maturity investments, at fair value159.2293.7
Common equity securities, at fair value30.7224.6
Investment in MediaAlpha, at fair value231.2201.6
Short-term investments, at fair value807.4260.1
Other long-term investments977.4588.4
Total investments2,205.91,568.4
Cash42.837.6
Goodwill and other intangible assets142.364.8
Other assets181.975.8
Assets held for sale - Bamboo Group—585.7
Assets held for sale - Other5.06.5
Total Other Operations assets2,577.92,338.8
Total assets$12,306.5$9,925.6

F - 1

CONSOLIDATED BALANCE SHEETS (CONTINUED)

December 31,
Millions, except share and per share amounts20252024
Liabilities
P&C Insurance and Reinsurance (Ark/WM Outrigger)
Loss and loss adjustment expense reserves$2,481.0$2,127.5
Unearned insurance premiums1,026.1853.3
Debt159.7154.5
Reinsurance payable286.2149.5
Contingent consideration328.3155.3
Other liabilities247.2224.7
Total P&C Insurance and Reinsurance liabilities4,528.53,664.8
Financial Guarantee (HG Global)
Unearned insurance premiums327.9297.3
Debt147.8147.4
Other liabilities23.819.4
Total Financial Guarantee liabilities499.5464.1
Asset Management (Kudu)
Debt350.4238.6
Other liabilities96.578.1
Total Asset Management liabilities446.9316.7
Specialty Insurance Distribution (Distinguished)
Debt140.8—
Premiums and commissions payable81.3—
Other liabilities85.0—
Total Specialty Insurance Distribution liabilities307.1—
Other Operations
Loss and loss adjustment expense reserves13.612.1
Unearned insurance premiums9.629.0
Debt38.322.0
Accrued incentive compensation102.979.3
Other liabilities101.433.0
Liabilities held for sale - Bamboo Group—167.7
Liabilities held for sale - Other3.65.9
Total Other Operations liabilities269.4349.0
Total liabilities6,051.44,794.6
Redeemable noncontrolling interests131.5—
Equity
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 shares2.52.6
Paid-in surplus576.5563.8
Retained earnings4,845.63,919.0
Accumulated other comprehensive income (loss), after-tax:
Net unrealized gains (losses) from foreign currency translation.8(1.7)
Total White Mountains’s common shareholders’ equity5,425.44,483.7
Nonredeemable noncontrolling interests698.2647.3
Total equity6,123.65,131.0
Total liabilities, redeemable noncontrolling interests and equity$12,306.5$9,925.6

See Notes to Consolidated Financial Statements including Note 13 — “Common Shareholders’ Equity and Noncontrolling Interests”and Note 19 — “Commitments and Contingencies.”

F - 2

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.