| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Cormorant Asset Management, LLC | 2.89M (8.58%) | 850.00K Increased by +29.41% | Mar 31, 26 |
| 2 | Sofinnova Ventures | 2.29M (6.81%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 3 | BlackRock Inc | 2.27M (6.73%) | 740.22K Increased by +32.64% | Mar 31, 26 |
| 4 | HHG PLC | 2.09M (6.22%) | 1.69M Increased by +80.46% | Mar 31, 26 |
| 5 | Octagon Capital Advisors LP | 1.75M (5.19%) | 150.00K Increased by +8.58% | Mar 31, 26 |
| 6 | RA Capital Management, LLC | 1.65M (4.90%) | 1.65M Increased by +100.00% | Mar 31, 26 |
| 7 | Vanguard Group Inc | 1.41M (4.20%) | -236.48K Decreased by -16.71% | Dec 31, 25 |
| 8 | Vanguard Capital Management, LLC | 1.35M (4.02%) | 1.35M Increased by +100.00% | Mar 31, 26 |
| 9 | Balyasny Asset Management LLC | 1.33M (3.94%) | 1.33M Increased by +100.00% | Mar 31, 26 |
| 10 | BRAIDWELL LP | 1.20M (3.56%) | 1.20M Increased by +100.00% | Mar 31, 26 |
| 11 | Polar Capital Holdings PLC | 1.13M (3.36%) | 1.13M Increased by +100.00% | Mar 31, 26 |
| 12 | State Street Corp | 850.89K (2.53%) | 428.05K Increased by +50.31% | Mar 31, 26 |
| 13 | Sands Capital Ventures, LLC | 786.35K (2.33%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 14 | Geode Capital Management, LLC | 749.27K (2.22%) | 157.89K Increased by +21.07% | Mar 31, 26 |
| 15 | Orbimed Advisors, LLC | 711.81K (2.11%) | -79.09K Decreased by -11.11% | Mar 31, 26 |
| 16 | D. E. Shaw & Co LP | 699.19K (2.08%) | 359.28K Increased by +51.39% | Mar 31, 26 |
| 17 | StemPoint Capital LP | 677.31K (2.01%) | 677.31K Increased by +100.00% | Mar 31, 26 |
| 18 | Pivotal bioVenture Partners Investment Advisor LLC | 653.37K (1.94%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 19 | Cosmic Management, LLC | 501.83K (1.49%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 20 | Adage Capital Partners Gp LLC | 500.00K (1.48%) | -550.00K Decreased by -110.00% | Mar 31, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Polar Capital Biotech S Inc | 1.07M (3.18%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 2 | Vanguard Total Stock Mkt Idx Inv | 985.49K (2.93%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 3 | iShares Russell 2000 ETF | 725.32K (2.15%) | 6.71K Increased by +0.92% | May 29, 26 |
| 4 | Vanguard Institutional Extnd Mkt Idx Tr | 338.24K (1.00%) | 1.80K Increased by +0.53% | Apr 30, 26 |
| 5 | Fidelity Small Cap Index | 296.60K (0.88%) | 64.03K Increased by +21.59% | Mar 31, 26 |
| 6 | iShares Russell 2000 Value ETF | 264.82K (0.79%) | 0.00 Increased by 0.00% | May 29, 26 |
| 7 | State Street® SPDR® S&P® PhrmctlsETF | 228.47K (0.68%) | 0.00 Increased by 0.00% | May 29, 26 |
| 8 | iShares Biotechnology ETF | 211.10K (0.63%) | 4.05K Increased by +1.92% | May 29, 26 |
| 9 | State St Russell Sm/Mid Cp® Indx SL Cl I | 176.80K (0.52%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 10 | Fidelity Enhanced Small Cap Core ETF | 166.64K (0.49%) | 420.00 Increased by +0.25% | May 29, 26 |
| 11 | Fidelity Extended Market Index | 160.05K (0.48%) | -585.00 Decreased by -0.37% | Apr 30, 26 |
| 12 | Franklin Biotechnology Discv A(acc)USD | 159.29K (0.47%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 13 | Vanguard Russell 2000 ETF | 152.38K (0.45%) | 3.81K Increased by +2.50% | Apr 30, 26 |
| 14 | Russell 2000 Equity Index Fund B | 149.26K (0.44%) | -75.00 Decreased by -0.05% | Dec 31, 25 |
| 15 | Schwab US Small-Cap ETF™ | 142.68K (0.42%) | 90.00 Increased by +0.06% | May 30, 26 |
| 16 | Vanguard US Momentum Factor ETF | 112.71K (0.33%) | 112.71K Increased by +100.00% | Mar 31, 26 |
| 17 | North Square Dynamic Small Cap I | 111.00K (0.33%) | 111.00K Increased by +100.00% | Dec 31, 25 |
| 18 | Dimensional US Small Cap ETF | 96.75K (0.29%) | 1.85K Increased by +1.91% | May 29, 26 |
| 19 | State St Russell Sm Cap® Idx SL Cl I | 94.70K (0.28%) | -16.20K Decreased by -17.11% | Apr 30, 26 |
| 20 | Invesco Dorsey Wright SmallCap Momt ETF | 91.32K (0.27%) | -254.00 Decreased by -0.28% | May 29, 26 |