CUSIP: 00091E109 | NYSE | Healthcare · Biotechnology | Small Cap | 393 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/ABlackRock, Inc. | 13,396,310 | 7.8% | New 5%+ stake | Sep 30, 2026 | 12,175,302 sh (Jun 30, 2026) |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 938,036 | $10.1M | 0.0% | Index | Very Low | Chiyoda-Ku, Tokyo, Mexico | 2026-10-29 | |
| 600,174 | $6.5M | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 462,885 | $5.0M | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 189,522 | $2.0M | 0.0% | Core | Low | Wilmington, DE | 2026-10-23 | |
| 150,000 | $1.6M | 0.1% | Growth | Low | Ljubljana, Andorra | 2026-10-22 | |
| 138,697 | $1.5M | 0.1% | GARP | Low | North Palm Beach, FL | 2026-11-02 | |
| 123,849 | $1.3M | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 107,398 | $1.2M | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 97,933 | $1.1M | 0.0% | Value | Medium | Parsippany, NJ | 2026-10-13 | |
| 93,256 | $1.0M | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 77,520 | $834.9K | 0.0% | Core | Low | Fort Worth, TX | 2026-11-05 | |
| 75,705 | $815.3K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 73,716 | $793.9K | 0.1% | ETF | Low | Cincinnati, OH | 2026-10-16 | |
| 73,358 | $790.1K | 0.1% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 61,962 | $667.3K | 0.2% | ETF | Low | Lake Oswego, OR | 2026-10-16 | |
| 46,503 | $500.8K | 0.0% | Core | Low | Trenton, NJ | 2026-11-05 | |
| 40,543 | $436.6K | 0.0% | Index | Very Low | Phoenix, AZ | 2026-11-03 | |
| 40,337 | $434.4K | 0.4% | Yield | Low | Carlsbad, CA | 2026-10-30 | |
| 38,414 | $413.7K | 0.0% | Growth | Medium | New York, NY | 2026-10-16 | |
| 36,369 | $325.1K | 0.0% | Core | Low | Plymouth, MN | 2026-10-13 | |
| 32,756 | $352.8K | 0.1% | Growth | Low | Englewood, CO | 2026-10-14 | |
| 31,313 | $317.5K | 0.0% | Growth | Medium | Shanghai, France | 2026-10-28 | |
| 29,529 | $318.0K | 0.0% | Growth | Medium | Carouge, Switzerland | 2026-11-03 | |
| 25,763 | $277.5K | 0.0% | ETF | Low | Waltham, MA | 2026-11-02 | |
| 20,000 | $215.4K | 0.1% | Yield | Very Low | Stockton, CA | 2026-10-09 | |
| 15,799 | $170.2K | 0.0% | Core | Low | Des Moines, IA | 2026-11-02 | |
| 14,505 | $156.2K | 0.0% | Index | Very Low | Atlanta, GA | 2026-10-23 | |
| 13,733 | $147.9K | 0.0% | Index | Very Low | Philadelphia, PA | 2026-11-03 | |
| 12,800 | $137.9K | 0.0% | Core | Low | New York, NY | 2026-10-19 | |
| 12,027 | $129.5K | 0.0% | Index | Low | Minneapolis, MN | 2026-11-05 | |
| 11,760 | $126.7K | 0.0% | Core | Low | New York, NY | 2026-10-22 | |
| 9,493 | $102.2K | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 8,925 | $96.0K | 0.0% | Core | Medium | Brussels, Czech Republic | 2026-10-22 | |
| 8,770 | $94.5K | 0.0% | Growth | Low | Seoul, Malaysia | 2026-11-03 | |
| 4,622 | $49.8K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 3,664 | $39.5K | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 3,466 | $37.3K | 0.0% | Agg Growth | Medium | Guangzhou, France | 2026-10-26 | |
| 2,740 | $29.5K | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 2,737 | $29.5K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 2,649 | $28.5K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 1,661 | $17.9K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 1,398 | $15.1K | 0.0% | Value | High | Cheyenne, WY | 2026-10-28 | |
| 915 | $9.9K | 0.0% | GARP | Low | Phoenix, AZ | 2026-10-02 | |
| 800 | $8.6K | 0.0% | Core | Low | Jefferson City, MO | 2026-11-05 | |
| 630 | $6.8K | 0.0% | Core | Very Low | Saint Louis, MO | 2026-10-27 | |
| 600 | $6.5K | 0.0% | Value | Low | Plymouth, MA | 2026-11-04 | |
| 548 | $5.9K | 0.0% | Growth | Low | St Louis, MO | 2026-11-05 | |
| 522 | $6 | 0.0% | Value | High | Chicago, IL | 2026-10-22 | |
| 289 | $3.1K | 0.0% | Growth | Medium | Boston, MA | 2026-10-05 | |
| 250 | $2.7K | 0.0% | Growth | Medium | Yardley, PA | 2026-10-14 | |
| 226 | $2.4K | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 208 | $2.2K | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 184 | $2.0K | 0.0% | ETF | Low | Fort Lauderdale, FL | 2026-10-30 | |
| 173 | $1.9K | 0.0% | Yield | Medium | Greenwood Village, CO | 2026-10-01 | |
| 116 | $1.2K | 0.0% | Core | Medium | Orchard Park, NY | 2026-11-05 | |
| 110 | $1.2K | 0.0% | Index | Low | San Francisco, CA | 2026-11-03 | |
| 110 | $1.2K | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 100 | $1.1K | 0.0% | ETF | Low | Brentwood, TN | 2026-10-15 | |
| 50 | $538 | 0.0% | ETF | Low | Dallas, TX | 2026-11-03 | |
| 36 | $388 | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 | |
| 31 | $333 | 0.0% | Agg Growth | Low | Dallas, TX | 2026-11-03 | |
| 17 | $206 | 0.0% | ETF | Low | Herndon, VA | 2026-10-30 | |
| 1 | $0 | 0.0% | Momentum | Medium | London, United Kingdom | 2026-10-30 |