Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-01-27 | SCHEDULE | ORBIMED ADVISORS LLC | 10.30% | 8,609,091 | view → | |
| 2025-05-14 | SCHEDULE | ORBIMED ADVISORS LLC | 12.20% | 9,785,423 | view → | |
| 2021-11-03 | SC | ORBIMED ADVISORS LLC | — | — | view → | |
| 2021-09-22 | SC | ORBIMED ADVISORS LLC | — | — | view → | |
| 2021-08-04 | SC | ORBIMED ADVISORS LLC | — | — | view → | |
| 2020-07-09 | SC | Novo Holdings A/S | — | — | view → | |
| 2019-07-29 | SC | Novo Holdings A/S | — | — | view → | |
| 2019-07-02 | SC | ORBIMED ADVISORS LLC | — | — | view → | |
| 2019-01-31 | SC | Novo Holdings A/S | — | — | view → | |
| 2018-03-14 | SC | ORBIMED ADVISORS LLC | — | — | view → | |
| 2018-01-26 | SC | ORBIMED ADVISORS LLC | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-05-29 | 17,324,311 | 8.45 | -8.4% |
| 2026-05-15 | 18,910,283 | 11.98 | +2.9% |
| 2026-04-30 | 18,385,941 | 11.54 | +8.6% |
| 2026-04-15 | 16,928,111 | 21.77 | -0.1% |
| 2026-03-31 | 16,951,894 | 11.09 | +5.6% |
| 2026-03-13 | 16,054,916 | 14.71 | +0.3% |
| 2026-02-27 | 16,009,857 | 13.29 | +7.6% |
| 2026-02-13 | 14,883,150 | 9.81 | +1.4% |
| 2026-01-30 | 14,678,521 | 1.09 | +27.8% |
| 2026-01-15 | 11,486,255 | 7.54 | -2.8% |
| 2025-12-31 | 11,816,663 | 6.47 | +25.9% |
| 2025-12-15 | 9,383,518 | 6.71 | -4.4% |
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