Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-05-18 | SCHEDULE 13D/A | BIOTECHNOLOGY VALUE FUND L P | — | 3,635,758 | view → | |
| 2026-05-01 | SCHEDULE 13D | LIGAND PHARMACEUTICALS INC | 47.00% | 8,062,678 | view → | |
| 2025-05-20 | SCHEDULE | BIOTECHNOLOGY VALUE FUND L P | 21.60% | 2,590,303 | view → | |
| 2025-01-28 | SCHEDULE | BIOTECHNOLOGY VALUE FUND L P | 25.30% | 2,983,026 | view → | |
| 2021-04-02 | SC | BIOTECHNOLOGY VALUE FUND L P | — | — | view → | |
| 2020-12-15 | SC | BIOTECHNOLOGY VALUE FUND L P | — | — | view → | |
| 2020-10-09 | SC | BIOTECHNOLOGY VALUE FUND L P | — | — | view → | |
| 2020-09-23 | SC | BIOTECHNOLOGY VALUE FUND L P | — | — | view → | |
| 2020-03-18 | SC | BIOTECHNOLOGY VALUE FUND L P | — | — | view → | |
| 2019-12-23 | SC | BIOTECHNOLOGY VALUE FUND L P | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-05-29 | 84 | 1.00 | -72.7% |
| 2026-05-15 | 308 | 1.00 | +152.5% |
| 2026-04-30 | 122 | 1.00 | -92.2% |
| 2026-04-15 | 1,568 | 1.68 | +150.9% |
| 2026-03-31 | 625 | 1.00 | +2876.2% |
| 2026-03-13 | 21 | 1.00 | -97.3% |
| 2026-02-27 | 774 | 1.00 | -37.2% |
| 2026-02-13 | 1,232 | 1.83 | +96.5% |
| 2026-01-30 | 627 | 1.00 | -68.5% |
| 2026-01-15 | 1,989 | 1.47 | -28.8% |
| 2025-12-31 | 2,794 | 3.25 | -7.0% |
| 2025-12-15 | 3,005 | 3.07 | -6.1% |
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