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 |
|---|---|---|---|
| 2026-06-15 | 902,392 | 2.90 | -17.2% |
| 2026-05-29 | 1,089,330 | 4.89 | +4.1% |
| 2026-05-15 | 1,046,818 | 4.15 | -5.8% |
| 2026-04-30 | 1,110,932 | 5.85 | -3.7% |
| 2026-04-15 | 1,154,033 | 5.30 | -5.0% |
| 2026-03-31 | 1,214,628 | 5.89 | -19.5% |
| 2026-03-13 | 1,508,660 | 5.16 | +1.2% |
| 2026-02-27 | 1,491,267 | 5.70 | -3.8% |
| 2026-02-13 | 1,549,522 | 6.55 | +11.2% |
| 2026-01-30 | 1,393,491 | 6.19 | +2.7% |
| 2026-01-15 | 1,356,462 | 3.64 | -16.0% |
| 2025-12-31 | 1,615,331 | 6.91 | +24.1% |
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