WHITE MOUNTAINS INSURANCE GROUP LTDWTMEarnings & Financial Report
NYSE · Financials · Fire, Marine & Casualty Insurance
White Mountains Insurance Group is a diversified insurance and related financial services holding company based in Hamilton, Bermuda. Redomiciled from Delaware, United States, on October 25, 1999, the company conducts most of its business through its insurance subsidiaries and other affiliates.
Top Holders
| Holder | % Owned | Shares | Change | As of |
|---|---|---|---|---|
| The Vanguard Group | 9.90% | 253.4K | — | 2024-02-13 |
| OF ABOVE PERSONS | 6.30% | 162.0K | — | 2024-02-09 |
| S.S. OR | 4.90% | 125.2K | — | 2023-06-08 |
| Fuller & Thaler Asset Management, Inc. | 4.76% | 122.3K | ▼ -0.30pp | 2024-11-12 |
Insider Transactions
Net 90d: +$0 · buys $0 / sells $0Range:
Action:
Role:
| Insider | Role | Action | ||||
|---|---|---|---|---|---|---|
| 2026-03-19 | SEELIG ROBERT LAWRENCE | EVP & General Counsel | Gift | 50 | $0.00 | $0 |
| 2026-03-04 | Tanner David Allen | Director | Gift | 225 | $0.00 | $0 |
| 2026-02-25 | Harrison Giles E | President | Grant | 775 | $0.00 | $0 |
| 2026-02-25 | Papamichael Michael A | Chief Financial Officer | Grant | 500 | $0.00 | $0 |
| 2026-02-25 | Caffrey Liam P | Chief Executive Officer | Grant | 1.5K | $0.00 | $0 |
| 2026-02-25 | SEELIG ROBERT LAWRENCE | EVP & General Counsel | Grant | 775 | $0.00 | $0 |
| 2026-02-25 | Michaela Hildreth | MD & Chief Accounting Officer | Grant | 600 | $0.00 | $0 |
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