Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2025-02-28 | SCHEDULE | Nonko Eugene | 10.80% | 5,996,864 | view → | |
| 2024-05-03 | SC | WHITE MOUNTAINS INSURANCE GROUP LTD | — | — | view → | |
| 2024-01-03 | SC | WHITE MOUNTAINS INSURANCE GROUP LTD | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-05-29 | 3,307,340 | 6.48 | +1.2% |
| 2026-05-15 | 3,267,829 | 5.39 | +4.9% |
| 2026-04-30 | 3,114,988 | 4.47 | -1.6% |
| 2026-04-15 | 3,165,179 | 7.06 | -2.1% |
| 2026-03-31 | 3,231,941 | 5.51 | -0.9% |
| 2026-03-13 | 3,262,847 | 3.74 | -9.9% |
| 2026-02-27 | 3,623,068 | 2.29 | +13.6% |
| 2026-02-13 | 3,190,548 | 2.75 | +78.9% |
| 2026-01-30 | 1,783,134 | 3.16 | +9.3% |
| 2026-01-15 | 1,632,217 | 3.57 | +5.8% |
| 2025-12-31 | 1,542,534 | 4.63 | -2.7% |
| 2025-12-15 | 1,585,533 | 3.29 | -5.0% |
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