White Mountains Insurance Group Ltd
2013 Q4 - 2026 Q1 (7 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 |
|---|---|---|---|---|---|
| 2026 Q1 | 4/15/2026 | 4,148 | 0.2% | 1,888 | 3/31/2026 |
| 2025 Q4 | 1/13/2026 | 3,890 | 0.2% | 1,872 | 12/31/2025 |
| 2025 Q3 | 10/29/2025 | 3,146 | 0.2% | 1,882 | 9/30/2025 |
| 2025 Q2 | 7/18/2025 | 3,398 | 0.2% | 1,892 | 6/30/2025 |
| 2014 Q2 | 7/25/2014 | 639 | 0.1% | 1,050 | 6/30/2014 |
| 2014 Q1 | 4/28/2014 | 630 | 0.1% | 1,050 | 3/31/2014 |
| 2013 Q4 | 1/30/2014 | 633 | 0.1% | 1,050 | 12/31/2013 |