Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2025-02-13 | SCHEDULE | BERKSHIRE HATHAWAY INC | 45.00% | 35,892,479 | view → | |
| 2022-02-14 | SC | BERKSHIRE HATHAWAY INC | — | — | view → | |
| 2021-08-04 | SC | BERKSHIRE HATHAWAY INC | — | — | view → | |
| 2021-02-16 | SC | BERKSHIRE HATHAWAY INC | — | — | view → | |
| 2020-09-21 | SC | BERKSHIRE HATHAWAY INC | — | — | view → | |
| 2019-11-12 | SC | BERKSHIRE HATHAWAY INC | — | — | view → | |
| 2018-05-11 | SC | BERKSHIRE HATHAWAY INC | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-05-29 | 4,855,191 | 5.63 | -14.5% |
| 2026-05-15 | 5,680,405 | 4.45 | -9.1% |
| 2026-04-30 | 6,250,931 | 10.35 | +5.7% |
| 2026-04-15 | 5,914,578 | 8.61 | -4.3% |
| 2026-03-31 | 6,182,715 | 7.28 | +5.5% |
| 2026-03-13 | 5,858,397 | 6.22 | -3.1% |
| 2026-02-27 | 6,048,801 | 7.40 | -7.7% |
| 2026-02-13 | 6,556,079 | 3.09 | -3.1% |
| 2026-01-30 | 6,768,004 | 7.71 | -2.5% |
| 2026-01-15 | 6,943,051 | 7.12 | -14.2% |
| 2025-12-31 | 8,092,541 | 11.91 | +11.9% |
| 2025-12-15 | 7,231,207 | 9.05 | -0.7% |
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