CUSIP: 022307102 | NYSE | Healthcare · Biotechnology | Mid Cap | 304 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/ASrinivas Akkaraju with Samsara BioCapital, L.P., Samsara BioCapital GP, LLC, Samsara Opportunity Fund, L.P., +1 more | 6,345,219 | 5.4% | +1,210,228 | Jan 9, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 1,220,651 | $9.0M | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 794,954 | $5.9M | 0.0% | Core | Low | Des Moines, IA | 2026-11-02 | |
| 647,366 | $4.8M | 0.0% | Growth | Medium | Carouge, Switzerland | 2026-11-03 | |
| 345,206 | $2.6M | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 200,773 | $1.5M | 1.9% | Yield | Very High | London, United Kingdom | 2026-10-16 | |
| 158,249 | $1.2M | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 99,953 | $738.7K | 0.1% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 54,900 | $405.7K | 0.0% | Index | Very Low | Tokyo, Mexico | 2026-11-05 | |
| 54,055 | $399.5K | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 53,060 | $392.1K | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 23,617 | $172.2K | 0.0% | Growth | Medium | Shanghai, France | 2026-10-28 | |
| 23,599 | $174.4K | 0.0% | GARP | Medium | Houston, TX | 2026-11-02 | |
| 16,516 | $122.1K | 0.0% | Index | Very Low | Phoenix, AZ | 2026-11-03 | |
| 16,413 | $114.4K | 0.0% | Core | Low | Plymouth, MN | 2026-10-13 | |
| 15,100 | $111.6K | 0.0% | Core | Medium | Richmond, VA | 2026-10-28 | |
| 14,600 | $107.9K | 0.0% | Core | Medium | Columbus, OH | 2026-10-30 | |
| 14,412 | $106.5K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 14,240 | $105.2K | 0.0% | Growth | Low | Atlanta, GA | 2026-10-21 | |
| 6,770 | $50.0K | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 6,614 | $48.9K | 0.0% | Growth | Low | Seoul, Malaysia | 2026-11-03 | |
| 4,737 | $35.0K | 0.0% | ETF | Low | Concord, CA | 2026-10-21 | |
| 3,206 | $23.7K | 0.0% | Index | Low | San Francisco, CA | 2026-11-03 | |
| 2,914 | $21.5K | 0.0% | Agg Growth | Medium | Guangzhou, France | 2026-10-26 | |
| 2,614 | $19.3K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 1,929 | $14 | 0.0% | Core | Medium | Brussels, Czech Republic | 2026-10-22 | |
| 1,900 | $14.0K | 0.0% | GARP | Very High | Reno, NV | 2026-10-09 | |
| 1,319 | $9.7K | 0.0% | Value | High | Cheyenne, WY | 2026-10-28 | |
| 1,286 | $9.5K | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 1,088 | $8.0K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 899 | $6.6K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 672 | $5.0K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 543 | $4.0K | 0.0% | GARP | Low | Phoenix, AZ | 2026-10-02 | |
| 478 | $3.5K | 0.0% | ETF | Medium | Chicago, IL | 2026-10-14 | |
| 440 | $3.3K | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 245 | $1.8K | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 192 | $1.4K | 0.0% | ETF | Low | Fort Lauderdale, FL | 2026-10-30 | |
| 192 | $1.4K | 0.0% | Core | Low | Irvine, CA | 2026-10-30 | |
| 149 | $1.1K | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 143 | $1.1K | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 75 | $554 | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 55 | $406 | 0.0% | Agg Growth | Low | Dallas, TX | 2026-11-03 | |
| 55 | $406 | 0.0% | Growth | Low | Tampa, FL | 2026-10-16 | |
| 38 | $281 | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 | |
| 26 | $192 | 0.0% | ETF | Medium | Southfield, MI | 2026-10-08 | |
| 17 | $0 | 0.0% | Value | High | London, United Kingdom | 2026-10-30 |