| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Frazier Life Sciences Management, L.P. | 6.65M (22.51%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 2 | Orbimed Advisors, LLC | 3.64M (12.31%) | -297.32K Decreased by -8.17% | Mar 31, 26 |
| 3 | NEA Management Company, LLC | 3.61M (12.23%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 4 | Wellington Management Company LLP | 3.19M (10.80%) | -158.14K Decreased by -4.95% | Mar 31, 26 |
| 5 | BlackRock Inc | 2.94M (9.95%) | 21.65K Increased by +0.74% | Mar 31, 26 |
| 6 | FMR Inc | 2.94M (9.94%) | 2.92M Increased by +99.46% | Mar 31, 26 |
| 7 | Deep Track Capital, LP | 2.76M (9.33%) | -492.22K Decreased by -17.85% | Mar 31, 26 |
| 8 | NVP Associates LLC | 2.14M (7.23%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 9 | Vanguard Group Inc | 1.82M (6.15%) | 140.45K Increased by +7.73% | Dec 31, 25 |
| 10 | Polar Capital Holdings PLC | 1.62M (5.49%) | 1.62M Increased by +100.00% | Mar 31, 26 |
| 11 | BRAIDWELL LP | 1.49M (5.05%) | 473.87K Increased by +31.75% | Mar 31, 26 |
| 12 | Vanguard Capital Management, LLC | 1.48M (5.00%) | 1.48M Increased by +100.00% | Mar 31, 26 |
| 13 | Aaron Wealth Advisors LLC | 1.17M (3.95%) | 1.10M Increased by +94.01% | Mar 31, 26 |
| 14 | Cormorant Asset Management, LLC | 1.12M (3.79%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 15 | T. Rowe Price Associates, Inc. | 1.03M (3.48%) | 188.50K Increased by +18.32% | Mar 31, 26 |
| 16 | Driehaus Capital Management LLC | 1.02M (3.45%) | -389.95K Decreased by -38.30% | Mar 31, 26 |
| 17 | StemPoint Capital LP | 998.94K (3.38%) | 920.38K Increased by +92.14% | Mar 31, 26 |
| 18 | Kynam Capital Management, LP | 934.80K (3.16%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 19 | Citadel Advisors Llc | 932.83K (3.16%) | 122.98K Increased by +13.18% | Mar 31, 26 |
| 20 | Woodline Partners LP | 900.06K (3.05%) | -100.00K Decreased by -11.11% | Mar 31, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Polar Capital Biotech S Inc | 1.61M (5.44%) | 72.55K Increased by +4.52% | Apr 30, 26 |
| 2 | Vanguard Total Stock Mkt Idx Inv | 1.16M (3.92%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 3 | Eventide Healthcare & Life Sciences I | 890.00K (3.01%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 4 | T. Rowe Price Health Sciences | 690.21K (2.34%) | -66.90K Decreased by -9.69% | Apr 30, 26 |
| 5 | iShares Russell 2000 ETF | 676.77K (2.29%) | 6.24K Increased by +0.92% | May 29, 26 |
| 6 | Fidelity Select Health Care | 600.00K (2.03%) | 320.00K Increased by +53.33% | Apr 30, 26 |
| 7 | Fidelity Stock Selector Small Cap | 414.40K (1.40%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 8 | BlackRock Health Sciences Opps Inv A | 333.35K (1.13%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 9 | Fidelity | 321.10K (1.09%) | 321.10K Increased by +100.00% | Mar 31, 26 |
| 10 | Fidelity Advisor Biotechnology I | 304.60K (1.03%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 11 | Fidelity Small Cap Growth | 301.64K (1.02%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 12 | Fidelity Advisor Health Care I | 300.00K (1.02%) | 160.00K Increased by +53.33% | Apr 30, 26 |
| 13 | Fidelity Series Small Cap Opps | 297.50K (1.01%) | -5.60K Decreased by -1.88% | Mar 31, 26 |
| 14 | Heptagon Driehaus US Micro Cap Eq C$ Acc | 290.54K (0.98%) | 5.86K Increased by +2.02% | Apr 30, 26 |
| 15 | Fidelity VIP Contrafund Initial | 286.90K (0.97%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 16 | Vanguard Institutional Extnd Mkt Idx Tr | 284.44K (0.96%) | 1.37K Increased by +0.48% | Apr 30, 26 |
| 17 | Fidelity Small Cap Index | 279.62K (0.95%) | 562.00 Increased by +0.20% | Mar 31, 26 |
| 18 | iShares Russell 2000 Value ETF | 246.67K (0.83%) | 0.00 Increased by 0.00% | May 29, 26 |
| 19 | State Street® SPDR® S&P® PhrmctlsETF | 217.40K (0.74%) | 0.00 Increased by 0.00% | May 29, 26 |
| 20 | iShares Biotechnology ETF | 197.74K (0.67%) | 3.78K Increased by +1.91% | May 29, 26 |