WTM - Company ID 0000776867
WHITE MOUNTAINS INSURANCE GROUP LTD trades as WTM and has a market capitalization of $5.37 B, making it the #1366 largest US-listed company by market value. In its fiscal 2025 annual report the company posted revenue of $3.73B, up 66.8% from the prior year and net income of $1.11B. This page tracks WHITE MOUNTAINS INSURANCE GROUP LTD through 1,716 SEC filings, with financial statements and metrics updated as new reports are filed.
Research snapshot
Updated
2026-07-09
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
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Over the last 9 fiscal years WHITE MOUNTAINS INSURANCE GROUP LTD's revenue grew from $157.70M to $3.73B, a compound annual growth rate of 42.1%. Net profit margin expanded from -44.8% to 29.6% over the same period - every figure below comes from the company's audited annual filings.
Dig into the full income statement, balance sheet, and cash flow statement with annual and quarterly views.
| Filing | Type | Filed |
|---|---|---|
| Insider trade | 4 | 2026-05-22 |
| Insider trade | 4 | 2026-05-22 |
| Insider trade | 4 | 2026-05-22 |
| Insider trade | 4 | 2026-05-22 |
| Insider trade | 4 | 2026-05-22 |
| Insider trade | 4 | 2026-05-22 |
| New insider ownership | 3 | 2026-05-22 |
| Insider trade | 4 | 2026-05-22 |
White Mountains to Hold 2026 Annual Investor Information Meeting on June 5, 2026 | White Mountains Insurance Group
White Mountains Reports First Quarter Results | White Mountains Insurance Group
White Mountains Partners Announces Acquisition of Hawkeye Electric by Enterprise Solutions | White Mountains Insurance Group
White Mountains Partners Announces Acquisition of BaseSix | White Mountains Insurance Group
White Mountains Declares Annual Dividend | White Mountains Insurance Group
The largest companies sharing WHITE MOUNTAINS INSURANCE GROUP LTD's SEC industry classification (fire, marine & casualty insurance).
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) has a market capitalization of $5.37 B as of 2026-07-09, ranking #1366 among US-listed companies.
WHITE MOUNTAINS INSURANCE GROUP LTD reported revenue of $3.73B for fiscal year 2025, an increase of 66.8% year over year.
Yes. WHITE MOUNTAINS INSURANCE GROUP LTD reported net income of $1.11B in its latest fiscal year.