NYSE:WTM
White Mountains Insurance Group Ltd.
White Mountains Insurance Group Ltd.'s revenue grew 66.8% in fiscal 2025 to $3.7B. Return on average equity was 22.3%.Summary generated from White Mountains Insurance Group Ltd.'s SEC filings. Latest annual report filed Feb 27, 2026.
Key statistics
Fiscal 2025 from SEC filings. MethodologyRevenue (FY25)$3.7B
Revenue growth+66.8%
Revenue, 5-yr CAGR+33.1%
Net margin29.6%
Return on equity22.3%
Share count change+0.1%
Financials
| Item | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | 614 | 1,158 | 2,167 | 2,240 | 3,735 |
| Net income | −275 | 793 | 509 | 230 | 1,106 |
Recent filings
- 4Insider transaction report
Aug 31, 2026 - 4Insider transaction report
Aug 27, 2026 - 8-KDirector or officer change
Aug 27, 2026 - 10-QQuarterly report for the period ended Jun 30, 2026
Aug 6, 2026 - 8-KResults of operations and financial condition
Aug 6, 2026 - 8-KRegulation FD disclosure
Jun 5, 2026 - 8-KDirector or officer change
May 21, 2026 - 8-KEntry into a material agreement
May 15, 2026