FY2025 · ended Dec 31, 2025 · Revenue $3.73B, +66.8% YoY · Filed Feb 27, 2026
White Mountains Insurance Group, Ltd (WTM) files with the SEC under industry code 6331, Fire, Marine & Casualty Insurance. In fiscal 2025, which ended Dec 31, 2025, it reported revenue of $3.7 billion and net income of $1.1 billion. As of Sep 30, 2026 it held $167.4 million in cash and investments and $928.6 million in total debt.
Revenue (TTM)
$3.88B
+681.4% vs year-ago TTM
Net income (TTM)
$969.10M
+591.2% vs year-ago TTM
Operating cash flow (TTM)
$385.50M
-31.2% vs year-ago TTM
Free cash flow
—
EPS (TTM)
$388.54
+612.4% vs year-ago TTM
Dividend per share (TTM)
$1.00
+0.0% vs year-ago TTM
Shares outstanding
2.47M
-3.7% vs prior year
Net cash
$-761.20M
as of Sep 30, 2026
Operating margin
—
Company profile
- Industry
- Fire, Marine & Casualty Insurance (SIC 6331)
- Listed as
- WTM (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Bermuda
- Headquarters
- Hanover, NH
- SEC filer status
- Large accelerated filer
- SEC CIK
- 776867
- Former names
- WHITE MOUNTAINS INSURANCE GROUP INC (until Oct 20, 1999); FUND AMERICAN ENTERPRISES HOLDINGS INC (until Feb 10, 1999)
Other Fire, Marine & Casualty Insurance companies
Key figures
Fiscal-year totals from the annual reports. Balance sheet lines are as of each year end.
| Line | FY 2025 Dec 31, 2025 |
FY 2024 Dec 31, 2024 |
FY 2023 Dec 31, 2023 |
FY 2022 Dec 31, 2022 |
FY 2021 Dec 31, 2021 |
|---|---|---|---|---|---|
| Revenue | $3.7B | $2.2B | $2.2B | $1.2B | $614.4M |
| Net income | $1.1B | $230.4M | $509.2M | — | — |
| Diluted EPS | $430.14 | $89.79 | $198.60 | $276.96 | -$89.46 |
| Operating cash flow | $550.5M | $586.8M | $404.1M | $365.0M | $38.6M |
| Total assets | $12.3B | $9.9B | $8.4B | $7.4B | $7.0B |
| Total liabilities | $6.1B | $4.8B | $3.8B | $3.5B | $3.3B |
| Stockholders' equity | $5.4B | $4.5B | $4.2B | $3.7B | $3.5B |
| Cash and investments | $185.6M | $266.4M | $122.4M | $255.0M | $147.7M |
| Total debt | $893.2M | $598.0M | $586.6M | $602.3M | $450.9M |
Recent SEC filings
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 27, 2026 | Aug 26, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 5, 2026 | Jun 5, 2026 |
All 1005 White Mountains Insurance Group, Ltd SEC filings
Source: SEC EDGAR filings. This is company-reported data, not investment advice.