| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Suvretta Capital Management, LLC | 11.55M (64.43%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 2 | HHG PLC | 2.88M (16.05%) | -35.31K Decreased by -1.23% | Mar 31, 26 |
| 3 | Franklin Resources Inc | 2.38M (13.27%) | 180.85K Increased by +7.60% | Mar 31, 26 |
| 4 | Adage Capital Partners Gp LLC | 2.12M (11.83%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 5 | RA Capital Management, LLC | 1.85M (10.32%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 6 | Nantahala Capital Management, LLC | 1.44M (8.02%) | 400.00K Increased by +27.81% | Mar 31, 26 |
| 7 | BlackRock Inc | 1.19M (6.61%) | 193.39K Increased by +16.31% | Mar 31, 26 |
| 8 | Vanguard Group Inc | 1.17M (6.55%) | 182.64K Increased by +15.55% | Dec 31, 25 |
| 9 | Vanguard Capital Management, LLC | 931.56K (5.20%) | 931.56K Increased by +100.00% | Mar 31, 26 |
| 10 | Siren, L.L.C. | 775.00K (4.32%) | 775.00K Increased by +100.00% | Dec 31, 25 |
| 11 | Alyeska Investment Group, L.P. | 750.00K (4.18%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 12 | SILVERARC CAPITAL MANAGEMENT, LLC | 717.73K (4.00%) | -13.99K Decreased by -1.95% | Mar 31, 26 |
| 13 | Balyasny Asset Management LLC | 653.84K (3.65%) | 2.28K Increased by +0.35% | Mar 31, 26 |
| 14 | Millennium Management LLC | 652.06K (3.64%) | 38.90K Increased by +5.97% | Mar 31, 26 |
| 15 | Simplify Asset Management Inc. | 562.24K (3.14%) | 411.08K Increased by +73.11% | Mar 31, 26 |
| 16 | Geode Capital Management, LLC | 524.10K (2.92%) | 70.73K Increased by +13.50% | Mar 31, 26 |
| 17 | State Street Corp | 338.25K (1.89%) | 93.20K Increased by +27.55% | Mar 31, 26 |
| 18 | Ameriprise Financial Inc | 318.35K (1.78%) | 37.62K Increased by +11.82% | Mar 31, 26 |
| 19 | Longaeva Partners L.P. | 290.00K (1.62%) | 252.46K Increased by +87.06% | Dec 31, 25 |
| 20 | Schonfeld Strategic Advisors LLC | 262.20K (1.46%) | 1.79K Increased by +0.68% | Dec 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | HBM Healthcare Investments AG Ord | 1.19M (6.65%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 2 | Simplify Health Care ETF | 1.01M (5.61%) | 0.00 Increased by 0.00% | Jun 30, 26 |
| 3 | Franklin Biotechnology Discv A(acc)USD | 997.48K (5.56%) | 0.00 Increased by 0.00% | May 31, 26 |
| 4 | Franklin Biotechnology Discovery A | 995.15K (5.55%) | 0.00 Increased by 0.00% | Jun 30, 26 |
| 5 | Vanguard Total Stock Mkt Idx Inv | 649.54K (3.62%) | 0.00 Increased by 0.00% | Jun 30, 26 |
| 6 | iShares Russell 2000 ETF | 536.71K (2.99%) | 3.20K Increased by +0.60% | Jun 30, 26 |
| 7 | Janus Henderson Hrzn Biotec E2 USD | 397.83K (2.22%) | -38.37K Decreased by -9.65% | Mar 31, 26 |
| 8 | Franklin Small Cap Growth Adv | 357.53K (1.99%) | 0.00 Increased by 0.00% | Jun 30, 26 |
| 9 | Franklin Small Cap Growth SMA | 328.33K (1.83%) | 328.32K Increased by +100.00% | Mar 31, 26 |
| 10 | Franklin US Small Cap Growth Equity | 328.33K (1.83%) | 328.33K Increased by +100.00% | Mar 31, 26 |
| 11 | Vanguard Institutional Extnd Mkt Idx Tr | 281.90K (1.57%) | 0.00 Increased by 0.00% | Jun 30, 26 |
| 12 | MEDICAL BioHealth EUR Acc | 195.06K (1.09%) | -33.00 Decreased by -0.02% | May 31, 26 |
| 13 | Fidelity Small Cap Index | 192.42K (1.07%) | 2.32K Increased by +1.21% | Apr 30, 26 |
| 14 | iShares Russell 2000 Value ETF | 187.04K (1.04%) | -1.29K Decreased by -0.69% | Jun 30, 26 |
| 15 | iShares Russell 2000 Growth ETF | 154.55K (0.86%) | -1.00K Decreased by -0.65% | May 29, 26 |
| 16 | Fidelity Extended Market Index | 130.97K (0.73%) | -3.35K Decreased by -2.56% | May 31, 26 |
| 17 | Russell 2000 Equity Index Fund B | 123.28K (0.69%) | 31.81K Increased by +25.80% | Mar 31, 26 |
| 18 | Russell 2000 Index Non-Lendable Fund | 123.28K (0.69%) | 123.28K Increased by +100.00% | Mar 31, 26 |
| 19 | Vanguard Russell 2000 ETF | 122.24K (0.68%) | 22.27K Increased by +18.22% | Jun 30, 26 |
| 20 | State St Russell Sm Cap® Idx SL Cl I | 79.20K (0.44%) | 25.50K Increased by +32.20% | Jun 30, 26 |