White Mountains Insurance Group Ltd
2013 Q4 - 2025 Q4 (15 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 | 2/6/2026 | 47,024 | 7.0% | 22,629 | 12/31/2025 |
| 2025 Q3 | 11/6/2025 | 37,787 | 5.9% | 22,606 | 9/30/2025 |
| 2025 Q2 | 7/23/2025 | 38,745 | 6.2% | 21,576 | 6/30/2025 |
| 2025 Q1 | 7/24/2025 | 40,008 | 6.9% | 21,028 | 3/31/2025 |
| 2024 Q4 | 7/24/2025 | 40,980 | 7.3% | 21,069 | 12/31/2024 |
| 2024 Q3 | 7/24/2025 | 35,956 | 6.5% | 21,198 | 9/30/2024 |
| 2024 Q2 | 7/24/2025 | 38,223 | 7.9% | 21,031 | 6/30/2024 |
| 2024 Q1 | 7/24/2025 | 38,649 | 7.3% | 21,540 | 3/31/2024 |
| 2023 Q4 | 7/24/2025 | 33,084 | 6.9% | 21,983 | 12/31/2023 |
| 2023 Q3 | 7/24/2025 | 32,941 | 7.4% | 22,024 | 9/30/2023 |
| 2023 Q2 | 7/24/2025 | 31,109 | 7.3% | 22,398 | 6/30/2023 |
| 2023 Q1 | 7/24/2025 | 30,803 | 7.6% | 22,362 | 3/31/2023 |
| 2014 Q2 | 8/11/2014 | 17,024 | 6.6% | 27,979 | 6/30/2014 |
| 2014 Q1 | 5/9/2014 | 16,099 | 6.7% | 26,836 | 3/31/2014 |
| 2013 Q4 | 2/13/2014 | 14,785 | 6.6% | 24,516 | 12/31/2013 |