CUSIP: 045396207 | NYSE | Healthcare · Biotechnology | Small Cap | 145 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 |
|---|---|---|---|---|---|
| 13G/AFarallon Capital Management, L.L.C. with Farallon Partners, L.L.C., Farallon Capital F5 Master I, L.P., Farallon Capital (AM) Investors, L.P., +8 more | 1,604,590 | 8.1% | New 5%+ stake | Jun 30, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 5,578 | $131.0K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 989 | $23.0K | 0.0% | Core | Very Low | Juneau, AK | 2026-10-15 | |
| 480 | $11.3K | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 260 | $6.1K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 59 | $1.4K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 54 | $1.3K | 0.0% | Core | Very Low | Saint Louis, MO | 2026-10-27 | |
| 20 | $470 | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 14 | $329 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 1 | $23 | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 |
| 13G/AParadigm BioCapital Advisors LP with Paradigm BioCapital International Fund Ltd. |
| 1,553,748 |
| 7.8% |
| New 5%+ stake |
| Jun 30, 2026 |
| No 13F filer matched |
| 13G/AHenderson Group PLC | 1,359,514 | 6.9% | New 5%+ stake | Jun 30, 2026 | 91d ahead of 13F (849,309 sh) · +510,205 |