White Mountains Insurance Group Ltd
2013 Q4 - 2025 Q4 (27 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 | 2/9/2026 | 86,296 | 0.0% | 41,518 | 12/31/2025 |
| 2025 Q3 | 11/12/2025 | 70,369 | 0.0% | 42,090 | 9/30/2025 |
| 2025 Q2 | 8/8/2025 | 76,384 | 0.0% | 42,529 | 6/30/2025 |
| 2025 Q1 | 5/13/2025 | 81,269 | 0.0% | 42,186 | 3/31/2025 |
| 2024 Q4 | 2/12/2025 | 77,312 | 0.0% | 39,735 | 12/31/2024 |
| 2024 Q3 | 11/12/2024 | 67,603 | 0.0% | 39,844 | 9/30/2024 |
| 2024 Q2 | 8/9/2024 | 71,940 | 0.0% | 39,571 | 6/30/2024 |
| 2024 Q1 | 5/13/2024 | 69,812 | 0.0% | 38,899 | 3/31/2024 |
| 2023 Q4 | 2/13/2024 | 56,786 | 0.0% | 37,725 | 12/31/2023 |
| 2023 Q3 | 11/13/2023 | 55,069 | 0.0% | 36,812 | 9/30/2023 |
| 2023 Q2 | 8/11/2023 | 50,251 | 0.0% | 36,180 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 48,519 | 0.0% | 35,223 | 3/31/2023 |
| 2022 Q4 | 2/13/2023 | 48,036 | 0.0% | 33,964 | 12/31/2022 |
| 2022 Q3 | 11/14/2022 | 45,351 | 0.0% | 34,805 | 9/30/2022 |
| 2022 Q2 | 8/12/2022 | 46,777 | 0.0% | 37,538 | 6/30/2022 |
| 2022 Q1 | 5/13/2022 | 43,591 | 0.0% | 38,365 | 3/31/2022 |
| 2021 Q4 | 2/11/2022 | 37,365 | 0.0% | 36,853 | 12/31/2021 |
| 2021 Q3 | 11/12/2021 | 39,017 | 0.0% | 36,478 | 9/30/2021 |
| 2021 Q2 | 8/13/2021 | 42,621 | 0.0% | 37,126 | 6/30/2021 |
| 2021 Q1 | 5/12/2021 | 40,420 | 0.0% | 36,255 | 3/31/2021 |
| 2020 Q4 | 2/12/2021 | 35,637 | 0.0% | 35,614 | 12/31/2020 |
| 2020 Q3 | 11/13/2020 | 25,606 | 0.0% | 32,871 | 9/30/2020 |
| 2020 Q2 | 8/13/2020 | 30,323 | 0.0% | 34,149 | 6/30/2020 |
| 2020 Q1 | 5/14/2020 | 31,538 | 0.0% | 34,658 | 3/31/2020 |
| 2019 Q4 | 2/13/2020 | 38,642 | 0.0% | 34,641 | 12/31/2019 |
| 2014 Q1 | 5/14/2014 | 18,143 | 0.0% | 30,244 | 3/31/2014 |
| 2013 Q4 | 2/14/2014 | 17,216 | 0.0% | 28,547 | 12/31/2013 |