White Mountains Insurance Group Ltd. reported net income attributable to shareholders of USD 835.8 million for the fourth quarter (Q4) of 2025 and USD 1.11 billion for the full year (FY) 2025. Basic and diluted earnings per share were USD 327.23 for Q4 2025 and USD 430.14 for FY 2025. Comprehensive income attributable to shareholders was USD 836.6 million in Q4 2025 and USD 1.11 billion for FY 2025. For its Distinguished segment, commission and fee revenues were USD 42.6 million for Q4 2025 and USD 56.7 million for the period from September 2, 2025 to December 31, 2025. Total revenues in this segment were USD 43.4 million for Q4 2025. GAAP net loss for Distinguished was USD 11.2 million for Q4 2025. The company noted that equity results in both periods were primarily driven by other long-term investments and the sale of its parent company common stock portfolio in the first half of 2025 to fund anticipated capital deployments. White Mountains Insurance Group Ltd. is listed on the New York Stock Exchange under the symbol WTM and on the Bermuda Stock Exchange under the symbol WTM.BH. The company expects to file its Form 10-K with the SEC on or before February 27, 2026.

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