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 | 2/12/2026 | 505 | 0.0% | 243 | 12/31/2025 |
| 2025 Q3 | 10/9/2025 | 348 | 0.0% | 208 | 9/30/2025 |
| 2025 Q2 | 8/14/2025 | 501 | 0.0% | 279 | 6/30/2025 |
| 2025 Q1 | 5/15/2025 | 1,009 | 0.0% | 524 | 3/31/2025 |
| 2024 Q4 | 5/2/2025 | 963 | 0.0% | 495 | 12/31/2024 |
| 2024 Q3 | 2/7/2025 | 550 | 0.0% | 324 | 9/30/2024 |
| 2024 Q2 | 2/7/2025 | 640 | 0.0% | 352 | 6/30/2024 |
| 2024 Q1 | 2/7/2025 | 533 | 0.0% | 297 | 3/31/2024 |
| 2023 Q4 | 2/7/2025 | 468 | 0.0% | 311 | 12/31/2023 |
| 2023 Q3 | 2/7/2025 | 468 | 0.0% | 313 | 9/30/2023 |
| 2023 Q2 | 2/7/2025 | 438 | 0.0% | 315 | 6/30/2023 |
| 2023 Q1 | 2/7/2025 | 439 | 0.0% | 319 | 3/31/2023 |
| 2022 Q4 | 2/7/2025 | 457 | 0.0% | 323 | 12/31/2022 |
| 2022 Q3 | 2/7/2025 | 473 | 0.0% | 363 | 9/30/2022 |
| 2022 Q2 | 8/15/2022 | 476 | 0.0% | 382 | 6/30/2022 |
| 2022 Q1 | 5/16/2022 | 536 | 0.0% | 472 | 3/31/2022 |
| 2021 Q4 | 2/14/2022 | 479 | 0.0% | 472 | 12/31/2021 |
| 2021 Q3 | 11/15/2021 | 659 | 0.0% | 616 | 9/30/2021 |
| 2021 Q2 | 8/16/2021 | 709 | 0.0% | 618 | 6/30/2021 |
| 2021 Q1 | 5/17/2021 | 526 | 0.0% | 471 | 3/31/2021 |
| 2020 Q4 | 2/16/2021 | 486 | 0.0% | 486 | 12/31/2020 |
| 2020 Q3 | 11/16/2020 | 491 | 0.0% | 631 | 9/30/2020 |
| 2020 Q2 | 8/14/2020 | 549 | 0.0% | 618 | 6/30/2020 |
| 2020 Q1 | 5/15/2020 | 502 | 0.0% | 552 | 3/31/2020 |
| 2019 Q4 | 2/14/2020 | 606 | 0.0% | 543 | 12/31/2019 |
| 2014 Q1 | 5/15/2014 | 1,523 | 0.0% | 2,539 | 3/31/2014 |
| 2013 Q4 | 2/12/2014 | 1,663 | 0.0% | 2,758 | 12/31/2013 |