Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2026-06-15 | SCHEDULE 13D/A | BAKER BROS. ADVISORS LP | 8.00% | 115,457,154 | view → | |
| 2025-03-03 | SCHEDULE | HHLR ADVISORS, LTD. | 6.70% | 92,805,741 | view → | |
| 2020-07-17 | SC | BAKER BROS. ADVISORS LP | — | — | view → | |
| 2019-01-03 | SC | Hillhouse Capital Advisors, Ltd. | — | — | view → | |
| 2019-01-03 | SC | Hillhouse Capital Management, Ltd. | — | — | view → | |
| 2018-01-22 | SC | BAKER BROS. ADVISORS LP | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-05-29 | 75,925 | 1.00 | -34.5% |
| 2026-05-15 | 115,925 | 8.17 | -65.3% |
| 2026-04-30 | 333,825 | 999.99 | +116.2% |
| 2026-04-15 | 154,425 | 14.71 | +90.4% |
| 2026-03-31 | 81,119 | 3.11 | +12.9% |
| 2026-03-13 | 71,819 | 1.02 | +266.0% |
| 2026-02-27 | 19,625 | 1.00 | +44.0% |
| 2026-02-13 | 13,625 | 1.00 | +3.8% |
| 2026-01-30 | 13,125 | 312.50 | +10.3% |
| 2026-01-15 | 11,896 | 1.00 | +6.3% |
| 2025-12-31 | 11,196 | 999.99 | -54.5% |
| 2025-12-15 | 24,596 | 6.73 | -1.9% |
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