Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.
| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2025-04-29 | SCHEDULE | Redmile Group, LLC | 6.50% | 8,335,116 | view → | |
| 2023-03-20 | SC | Casdin Capital, LLC | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-03-31 | 37,328,959 | 7.26 | -1.7% |
| 2026-03-13 | 37,960,026 | 11.88 | -1.4% |
| 2026-02-27 | 38,494,004 | 18.02 | -2.4% |
| 2026-02-13 | 39,427,158 | 12.16 | +5.8% |
| 2026-01-30 | 37,258,694 | 11.72 | -0.3% |
| 2026-01-15 | 37,389,398 | 8.71 | +5.2% |
| 2025-12-31 | 35,554,333 | 12.05 | +7.7% |
| 2025-12-15 | 33,022,608 | 7.38 | +2.0% |
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