White Mountains Insurance Group Ltd
2013 Q4 - 2025 Q4 (18 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 | 14,031 | 0.0% | 6,752 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 11,878 | 0.0% | 7,106 | 9/30/2025 |
| 2025 Q2 | 8/14/2025 | 12,335 | 0.0% | 6,869 | 6/30/2025 |
| 2025 Q1 | 5/14/2025 | 13,275 | 0.0% | 6,893 | 3/31/2025 |
| 2024 Q4 | 2/14/2025 | 14,327 | 0.0% | 7,366 | 12/31/2024 |
| 2024 Q3 | 11/14/2024 | 11,460 | 0.0% | 6,756 | 9/30/2024 |
| 2024 Q2 | 8/14/2024 | 12,620 | 0.0% | 6,944 | 6/30/2024 |
| 2024 Q1 | 5/14/2024 | 12,022 | 0.0% | 6,700 | 3/31/2024 |
| 2023 Q4 | 2/14/2024 | 11,543 | 0.0% | 7,670 | 12/31/2023 |
| 2023 Q3 | 11/13/2023 | 10,769 | 0.0% | 7,200 | 9/30/2023 |
| 2023 Q2 | 8/11/2023 | 8,050 | 0.0% | 5,796 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 7,635 | 0.0% | 5,543 | 3/31/2023 |
| 2022 Q4 | 2/14/2023 | 7,557 | 0.0% | 5,343 | 12/31/2022 |
| 2022 Q2 | 8/12/2022 | 7,847 | 0.0% | 6,297 | 6/30/2022 |
| 2022 Q1 | 5/13/2022 | 8,522 | 0.0% | 7,500 | 3/31/2022 |
| 2021 Q4 | 2/11/2022 | 6,935 | 0.0% | 6,840 | 12/31/2021 |
| 2014 Q1 | 5/15/2014 | 141,205 | 0.5% | 235,381 | 3/31/2014 |
| 2013 Q4 | 2/14/2014 | 119,350 | 0.5% | 197,901 | 12/31/2013 |