White Mountains Insurance Group Ltd
2021 Q4 - 2025 Q4 (14 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 | 1/15/2026 | 41,232 | 0.1% | 20,193 | 12/31/2025 |
| 2025 Q3 | 10/20/2025 | 52,318 | 0.1% | 31,698 | 9/30/2025 |
| 2025 Q2 | 7/25/2025 | 52,957 | 0.1% | 29,585 | 6/30/2025 |
| 2025 Q1 | 4/24/2025 | 47,278 | 0.1% | 24,857 | 3/31/2025 |
| 2024 Q4 | 1/29/2025 | 44,824 | 0.1% | 23,236 | 12/31/2024 |
| 2024 Q3 | 10/18/2024 | 38,258 | 0.1% | 22,555 | 9/30/2024 |
| 2024 Q2 | 7/26/2024 | 28,459 | 0.0% | 15,659 | 6/30/2024 |
| 2024 Q1 | 4/29/2024 | 24,831 | 0.0% | 13,839 | 3/31/2024 |
| 2023 Q4 | 1/25/2024 | 17,229 | 0.0% | 11,448 | 12/31/2023 |
| 2022 Q4 | 1/23/2023 | 529 | 0.0% | 374 | 12/31/2022 |
| 2022 Q3 | 10/26/2022 | 623 | 0.0% | 479 | 9/30/2022 |
| 2022 Q2 | 7/25/2022 | 883 | 0.0% | 709 | 6/30/2022 |
| 2022 Q1 | 5/2/2022 | 1,409 | 0.0% | 1,241 | 3/31/2022 |
| 2021 Q4 | 1/28/2022 | 9,005 | 0.0% | 8,882 | 12/31/2021 |