| (Values in U.S. Thousands) | Dec, 2025 | Dec, 2024 | Dec, 2023 | Dec, 2022 | Dec, 2021 |
| Sales | 3,735,000 | 2,239,800 | 2,166,700 | 1,157,900 | 944,800 |
| Sales Growth | +66.76% | +3.37% | +87.12% | +22.56% | -19.98% |
| Net Income | 1,106,400 | 230,400 | 509,200 | 792,800 | -275,400 |
| Net Income Growth | +380.21% | -54.75% | -35.77% | +387.87% | -138.86% |
White Mountains Insurance Group
(WTM)
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White Mountains Insurance Group, Ltd. is engaged in the business of property and casualty insurance and reinsurance.
Fiscal Year End Date: 12/31