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 | 2/13/2026 | 15,907 | 0.0% | 7,655 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 12 | 0.0% | 7 | 9/30/2025 |
| 2025 Q2 | 8/14/2025 | 22,044 | 0.0% | 12,276 | 6/30/2025 |
| 2025 Q1 | 5/19/2025 | 21,737 | 0.0% | 11,287 | 3/31/2025 |
| 2024 Q4 | 2/14/2025 | 19,653 | 0.0% | 10,104 | 12/31/2024 |
| 2024 Q3 | 11/14/2024 | 12,959 | 0.0% | 7,640 | 9/30/2024 |
| 2024 Q2 | 8/14/2024 | 14,029 | 0.0% | 7,719 | 6/30/2024 |
| 2024 Q1 | 5/15/2024 | 6,852 | 0.0% | 3,819 | 3/31/2024 |
| 2023 Q4 | 2/14/2024 | 5,690 | 0.0% | 3,781 | 12/31/2023 |
| 2023 Q3 | 11/13/2023 | 5,658 | 0.0% | 3,783 | 9/30/2023 |
| 2023 Q2 | 8/11/2023 | 6,473 | 0.0% | 4,699 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 6,473 | 0.0% | 4,699 | 3/31/2023 |
| 2022 Q4 | 2/14/2023 | 6,780 | 0.0% | 4,794 | 12/31/2022 |
| 2022 Q3 | 11/14/2022 | 5,973 | 0.0% | 4,584 | 9/30/2022 |
| 2022 Q2 | 8/12/2022 | 6,794 | 0.0% | 5,452 | 6/30/2022 |
| 2022 Q1 | 5/16/2022 | 8,155 | 0.0% | 7,177 | 3/31/2022 |
| 2021 Q4 | 2/14/2022 | 7,347 | 0.0% | 7,246 | 12/31/2021 |
| 2021 Q3 | 11/15/2021 | 8,099 | 0.0% | 7,572 | 9/30/2021 |
| 2021 Q2 | 8/16/2021 | 8,075 | 0.0% | 7,034 | 6/30/2021 |
| 2021 Q1 | 5/14/2021 | 6,339 | 0.0% | 5,686 | 3/31/2021 |
| 2020 Q4 | 3/1/2021 | 6,201 | 0.0% | 6,197 | 12/31/2020 |
| 2020 Q3 | 11/13/2020 | 4,622 | 0.0% | 5,933 | 9/30/2020 |
| 2020 Q2 | 8/14/2020 | 5,251 | 0.0% | 5,913 | 6/30/2020 |
| 2020 Q1 | 5/15/2020 | 3,878 | 0.0% | 4,261 | 3/31/2020 |
| 2019 Q4 | 2/14/2020 | 4,836 | 0.0% | 4,335 | 12/31/2019 |
| 2014 Q1 | 5/23/2014 | 484 | 0.0% | 807 | 3/31/2014 |
| 2013 Q4 | 1/31/2014 | 1,345 | 0.0% | 2,230 | 12/31/2013 |