CUSIP: 43157M102 | 178 institutional holders
5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.
| Holder | Shares | % of Class | Change | Event Date | vs 13F |
|---|---|---|---|---|---|
| 13D/ATang Capital Management LLC | 0 | 0.0% | No shares held | Sep 17, 2025 | 4,920,000 sh (Jun 30, 2025) |
| 13D/ATakeda Pharmaceutical Co LTD | 0 | 0.0% |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 179,184 | $0 | 0.0% | Value | Very High | London, United Kingdom | 2025-11-14 |
| No shares held |
| Sep 17, 2025 |
| 6,724,000 sh (Jun 30, 2025) |
| 13D/AFrazier Life Sciences Public Fund, L.P. | 0 | 0.0% | No shares held | Sep 17, 2025 | No 13F filer matched |