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 | 2/10/2026 | 32,829 | 0.0% | 15,798 | 12/31/2025 |
| 2025 Q3 | 11/5/2025 | 29,404 | 0.0% | 17,591 | 9/30/2025 |
| 2025 Q2 | 8/1/2025 | 31,445 | 0.0% | 17,511 | 6/30/2025 |
| 2025 Q1 | 4/29/2025 | 33,257 | 0.0% | 17,269 | 3/31/2025 |
| 2024 Q4 | 2/13/2025 | 31,926 | 0.0% | 16,414 | 12/31/2024 |
| 2024 Q3 | 11/7/2024 | 27,438 | 0.0% | 16,176 | 9/30/2024 |
| 2024 Q2 | 8/8/2024 | 27,751 | 0.0% | 15,269 | 6/30/2024 |
| 2024 Q1 | 5/13/2024 | 25,579 | 0.0% | 14,256 | 3/31/2024 |
| 2023 Q4 | 2/13/2024 | 20,581 | 0.0% | 13,675 | 12/31/2023 |
| 2023 Q3 | 11/13/2023 | 18,072 | 0.0% | 12,083 | 9/30/2023 |
| 2023 Q2 | 8/4/2023 | 10,012 | 0.0% | 7,208 | 6/30/2023 |
| 2023 Q1 | 5/11/2023 | 9,673 | 0.0% | 7,022 | 3/31/2023 |
| 2022 Q4 | 2/7/2023 | 9,316 | 0.0% | 6,587 | 12/31/2022 |
| 2022 Q3 | 11/10/2022 | 8,682 | 0.0% | 6,663 | 9/30/2022 |
| 2022 Q2 | 8/3/2022 | 9,212 | 0.0% | 7,392 | 6/30/2022 |
| 2022 Q1 | 5/4/2022 | 7,862 | 0.0% | 6,920 | 3/31/2022 |
| 2021 Q4 | 2/4/2022 | 7,464 | 0.0% | 7,362 | 12/31/2021 |
| 2021 Q3 | 10/7/2021 | 7,711 | 0.0% | 7,209 | 9/30/2021 |
| 2021 Q2 | 8/4/2021 | 8,341 | 0.0% | 7,265 | 6/30/2021 |
| 2021 Q1 | 5/4/2021 | 7,805 | 0.0% | 7,001 | 3/31/2021 |
| 2020 Q4 | 2/2/2021 | 6,508 | 0.0% | 6,504 | 12/31/2020 |
| 2020 Q3 | 10/9/2020 | 4,916 | 0.0% | 6,311 | 9/30/2020 |
| 2020 Q2 | 7/8/2020 | 5,476 | 0.0% | 6,167 | 6/30/2020 |
| 2020 Q1 | 4/23/2020 | 4,719 | 0.0% | 5,185 | 3/31/2020 |
| 2019 Q4 | 2/11/2020 | 5,505 | 0.0% | 4,935 | 12/31/2019 |
| 2014 Q1 | 5/12/2014 | 1,820 | 0.0% | 3,035 | 3/31/2014 |
| 2013 Q4 | 2/12/2014 | 1,843 | 0.0% | 3,055 | 12/31/2013 |