| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Cormorant Asset Management, LLC | 8.32M (13.61%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 2 | Suvretta Capital Management, LLC | 6.80M (11.12%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 3 | Adage Capital Partners Gp LLC | 6.80M (11.11%) | 600.00K Increased by +8.82% | Jun 30, 25 |
| 4 | BlackRock Inc | 5.36M (8.76%) | -361.83K Decreased by -6.75% | Jun 30, 25 |
| 5 | Federated Hermes Inc | 4.60M (7.52%) | 513.87K Increased by +11.17% | Jun 30, 25 |
| 6 | Franklin Resources Inc | 4.30M (7.03%) | 151.26K Increased by +3.52% | Jun 30, 25 |
| 7 | Vanguard Group Inc | 3.80M (6.21%) | -31.72K Decreased by -0.83% | Jun 30, 25 |
| 8 | TCG Crossover Management, LLC | 3.57M (5.84%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 9 | RA Capital Management, LLC | 3.18M (5.20%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 10 | Citadel Advisors Llc | 2.34M (3.83%) | 58.12K Increased by +2.48% | Jun 30, 25 |
| 11 | Millennium Management LLC | 2.05M (3.34%) | 917.80K Increased by +44.85% | Mar 31, 24 |
| 12 | Geode Capital Management, LLC | 1.59M (2.60%) | -982.00 Decreased by -0.06% | Jun 30, 25 |
| 13 | Perceptive Advisors LLC | 1.54M (2.51%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 14 | State Street Corp | 1.52M (2.48%) | -77.66K Decreased by -5.12% | Jun 30, 25 |
| 15 | T. Rowe Price Associates, Inc. | 1.35M (2.21%) | -790.73K Decreased by -58.40% | Mar 31, 25 |
| 16 | Patient Square Capital | 1.35M (2.21%) | -129.14K Decreased by -9.55% | Jun 30, 25 |
| 17 | Goldman Sachs Group Inc | 1.28M (2.09%) | -250.86K Decreased by -19.59% | Jun 30, 25 |
| 18 | T. Rowe Price Investment Management,Inc. | 1.27M (2.07%) | -802.81K Decreased by -63.28% | Sep 30, 24 |
| 19 | Essex Woodlands Health Ventures | 1.17M (1.91%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 20 | Octagon Capital Advisors LP | 1.09M (1.79%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Federated Hermes Kaufmann Growth | 2.04M (3.33%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 2 | Federated Hermes Kaufmann R | 2.04M (3.33%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 3 | Vanguard Total Stock Mkt Idx Inv | 2.03M (3.31%) | -44.95K Decreased by -2.22% | Jul 31, 25 |
| 4 | Franklin Biotechnology Discv A(acc)USD | 1.91M (3.13%) | 0.00 Increased by 0.00% | Aug 31, 25 |
| 5 | Vanguard US Total Market Shares ETF | 1.56M (2.55%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 6 | iShares Russell 2000 ETF | 1.49M (2.43%) | 0.00 Increased by 0.00% | Aug 31, 25 |
| 7 | Federated Hermes Kaufmann Small Cap A | 1.49M (2.43%) | -125.99K Decreased by -8.48% | Jun 30, 25 |
| 8 | Federated Hermes Kaufmann Small Cap Grow | 1.49M (2.43%) | -125.99K Decreased by -8.48% | Jun 30, 25 |
| 9 | Franklin Small Cap Growth SMA | 1.27M (2.07%) | 1.27M Increased by +99.99% | Jun 30, 25 |
| 10 | Franklin US Small Cap Growth Equity | 1.27M (2.07%) | 97.80K Increased by +7.71% | Jun 30, 25 |
| 11 | Franklin Small Cap Growth Adv | 1.17M (1.91%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 12 | Franklin Biotechnology Discovery A | 1.04M (1.70%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 13 | T. Rowe Price New Horizons | 900.54K (1.47%) | -248.79K Decreased by -27.63% | Mar 31, 25 |
| 14 | US Small-Cap Growth II Equity Comp | 900.54K (1.47%) | -249.12K Decreased by -27.66% | Mar 31, 25 |
| 15 | Vanguard Institutional Extnd Mkt Idx Tr | 737.99K (1.21%) | -322.41K Decreased by -43.69% | Jul 31, 25 |
| 16 | Columbia Small Cap Growth | 693.23K (1.13%) | 251.24K Increased by +36.24% | Jun 30, 24 |
| 17 | abrdn Healthcare Investors | 675.21K (1.10%) | 0.00 Increased by 0.00% | Aug 31, 25 |
| 18 | Jennison Health Sciences Equity | 649.15K (1.06%) | 649.15K Increased by +100.00% | Dec 31, 23 |
| 19 | PGIM Jennison Health Sciences Z | 649.15K (1.06%) | 0.00 Increased by 0.00% | Jan 31, 24 |
| 20 | Fidelity Small Cap Index | 622.71K (1.02%) | -41.65K Decreased by -6.69% | Jun 30, 25 |