White Mountains Insurance Group Ltd
2019 Q4 - 2025 Q4 (25 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 | 13,083 | 0.0% | 6,296 | 12/31/2025 |
| 2025 Q3 | 11/12/2025 | 14,251 | 0.0% | 8,526 | 9/30/2025 |
| 2025 Q2 | 8/13/2025 | 31,677 | 0.0% | 17,640 | 6/30/2025 |
| 2025 Q1 | 5/2/2025 | 30,988 | 0.0% | 16,091 | 3/31/2025 |
| 2024 Q4 | 2/6/2025 | 22,462 | 0.0% | 11,548 | 12/31/2024 |
| 2024 Q3 | 11/5/2024 | 10,776 | 0.0% | 6,353 | 9/30/2024 |
| 2024 Q2 | 8/5/2024 | 20,786 | 0.0% | 11,437 | 6/30/2024 |
| 2024 Q1 | 5/3/2024 | 25,571 | 0.0% | 14,251 | 3/31/2024 |
| 2023 Q4 | 2/5/2024 | 27,611 | 0.0% | 18,346 | 12/31/2023 |
| 2023 Q3 | 11/6/2023 | 28,613 | 0.0% | 19,130 | 9/30/2023 |
| 2023 Q2 | 7/27/2023 | 21,585 | 0.0% | 15,541 | 6/30/2023 |
| 2023 Q1 | 5/2/2023 | 22,173 | 0.0% | 16,097 | 3/31/2023 |
| 2022 Q4 | 4/25/2023 | 30,129 | 0.0% | 21,303 | 12/31/2022 |
| 2022 Q3 | 11/2/2022 | 30,458 | 0.0% | 23,375 | 9/30/2022 |
| 2022 Q2 | 8/1/2022 | 37,626 | 0.0% | 30,195 | 6/30/2022 |
| 2022 Q1 | 5/4/2022 | 4,968 | 0.0% | 4,404 | 3/31/2022 |
| 2021 Q4 | 2/7/2022 | 421 | 0.0% | 415 | 12/31/2021 |
| 2021 Q3 | 11/2/2021 | 20,118 | 0.0% | 18,808 | 9/30/2021 |
| 2021 Q2 | 8/3/2021 | 62,354 | 0.1% | 54,314 | 6/30/2021 |
| 2021 Q1 | 5/4/2021 | 72,437 | 0.1% | 64,972 | 3/31/2021 |
| 2020 Q4 | 2/1/2021 | 79,569 | 0.1% | 79,516 | 12/31/2020 |
| 2020 Q3 | 11/9/2020 | 63,136 | 0.1% | 81,047 | 9/30/2020 |
| 2020 Q2 | 8/7/2020 | 73,446 | 0.1% | 82,712 | 6/30/2020 |
| 2020 Q1 | 5/4/2020 | 80,633 | 0.1% | 88,608 | 3/31/2020 |
| 2019 Q4 | 2/6/2020 | 97,966 | 0.1% | 87,822 | 12/31/2019 |