Q3 FY2026 · ended Sep 30, 2026 · Revenue $121.10M, -86.0% YoY · Filed Nov 5, 2026
White Mountains Insurance Group, Ltd (WTM) files with the SEC under industry code 6331, Fire, Marine & Casualty Insurance. In Q3 of fiscal 2026, the quarter ended Sep 30, 2026, it reported revenue of $121.1 million and a net loss of $39.0 million. As of Sep 30, 2026 it held $167.4 million in cash and investments and $928.6 million in total debt.
Revenue
$121.10M
-86.0% vs year-ago quarter
Net income
$-39.00M
-134.3% vs year-ago quarter
Operating cash flow
$356.60M
-0.8% vs year-ago quarter
Free cash flow
—
EPS
$-17.71
-140.1% vs year-ago quarter
Dividend per share
$0.00
Shares outstanding
2.39M
-6.5% vs year-ago quarter
Net cash
$-761.20M
Q3 FY2026
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; switch to Annual for the full-year view. Balance sheet lines are as of each year end.
| Line | Q3 FY2026 Sep 30, 2026 |
Q2 FY2026 Jun 30, 2026 |
Q1 FY2026 Mar 31, 2026 |
Q4 FY2025 Dec 31, 2025 |
Q3 FY2025 Sep 30, 2025 |
|---|---|---|---|---|---|
| Revenue | $121.1M | $107.5M | $517.8M | $1.6B | $864.2M |
| Net income | -$39.0M | $199.5M | -$27.2M | $835.8M | $113.8M |
| Diluted EPS | -$17.71 | $80.58 | -$12.59 | $327.42 | $44.18 |
| Operating cash flow | $356.6M | -$55.5M | $30.5M | $53.9M | $359.3M |
| Total assets | $13.4B | $13.8B | $13.2B | $12.3B | $12.3B |
| Total liabilities | $7.1B | $7.5B | $7.0B | $6.1B | $6.6B |
| Stockholders' equity | $5.4B | $5.4B | $5.4B | $5.4B | $4.8B |
| Cash and investments | $167.4M | $127.8M | $137.0M | $185.6M | $474.2M |
| Total debt | $928.6M | $932.5M | $834.8M | $893.2M | $870.4M |
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.