CUSIP: 014442107 | NYSE | Healthcare · Biotechnology | Micro Cap | 468 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 |
|---|---|---|---|---|---|
| 13GRA Capital Management, L.P. | 7,500,000 | 5.1% | New 5%+ stake | Oct 19, 2026 | 567d ahead of 13F (9,695,228 sh) · −2,195,228 |
| 13GDeep Track Capital, LP | 12,772,152 | 8.6% | New 5%+ stake | Oct 16, 2026 | No 13F filer matched |
| 13GBVF Inc with BVF GP Holdings LLC, BVF I GP LLC, Biotechnology Value Fund L P, +4 more | 9,374,267 | 8.4% | New 5%+ stake | Sep 11, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 1,461,163 | $2.7M | 0.0% | Core | Medium | Toronto Ontario, Australia | 2026-11-02 | |
| 251,966 | $466.1K | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 139,900 | $258.8K | 0.0% | Core | Medium | Columbus, OH | 2026-10-30 | |
| 22,824 | $42.2K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 11,693 | $21.6K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 10,919 | $20.2K | 0.0% | Core | Low | Des Moines, IA | 2026-11-02 | |
| 10,300 | $19.1K | 0.0% | ETF | Low | Waltham, MA | 2026-11-02 | |
| 5,000 | $9.4K | 0.0% | Growth | Medium | Shanghai, France | 2026-10-28 | |
| 3,065 | $5.7K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 1,732 | $3.2K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 1,016 | $1.9K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 752 | $1.4K | 0.0% | ETF | Medium | Midvale, UT | 2026-10-20 | |
| 496 | $917 | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 495 | $916 | 0.0% | Core | Very Low | Saint Louis, MO | 2026-10-27 | |
| 446 | $826 | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 418 | $773 | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 400 | $740 | 0.0% | Core | Low | Wilmington, DE | 2026-10-23 | |
| 383 | $858 | 0.0% | ETF | Low | Herndon, VA | 2026-10-30 | |
| 168 | $311 | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 | |
| 96 | $178 | 0.0% | Growth | Low | Tampa, FL | 2026-10-16 | |
| 96 | $178 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 90 | $167 | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 47 | $87 | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 15 | $28 | 0.0% | ETF | Low | Troy, MI | 2026-10-27 | |
| 15 | $28 | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 6 | $11 | 0.0% | Index | Very Low | Cincinnati, OH | 2026-11-05 |