White Mountains Insurance Group Ltd
2013 Q4 - 2025 Q4 (5 filings)
Shares History
History scope: non-option holdings only (PUT/CALL rows excluded).
| All 13F Holders | Filing date | Value ($000s) | % of Holdings | Shares | Reporting period |
|---|---|---|---|---|---|
| 2025 Q4 | 2/17/2026 | 166,963 | 20% | 80,347 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 136,210 | 17% | 81,489 | 9/30/2025 |
| 2025 Q2 | 8/14/2025 | 141,926 | 19% | 79,036 | 6/30/2025 |
| 2014 Q1 | 5/15/2014 | 40,198 | 8.8% | 67,007 | 3/31/2014 |
| 2013 Q4 | 2/14/2014 | 33,778 | 7.8% | 56,010 | 12/31/2013 |