| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Frazier Life Sciences Management, L.P. | 6.65M (24.59%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 2 | Orbimed Advisors, LLC | 3.64M (13.45%) | -297.32K Decreased by -8.17% | Mar 31, 26 |
| 3 | NEA Management Company, LLC | 3.61M (13.36%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 4 | Wellington Management Company LLP | 3.19M (11.80%) | -158.14K Decreased by -4.95% | Mar 31, 26 |
| 5 | BlackRock Inc | 2.94M (10.87%) | 21.65K Increased by +0.74% | Mar 31, 26 |
| 6 | FMR Inc | 2.94M (10.85%) | 2.92M Increased by +99.46% | Mar 31, 26 |
| 7 | Deep Track Capital, LP | 2.76M (10.19%) | -492.22K Decreased by -17.85% | Mar 31, 26 |
| 8 | NVP Associates LLC | 2.14M (7.90%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 9 | Vanguard Group Inc | 1.82M (6.72%) | 140.45K Increased by +7.73% | Dec 31, 25 |
| 10 | Polar Capital Holdings PLC | 1.62M (6.00%) | 1.62M Increased by +100.00% | Mar 31, 26 |
| 11 | BRAIDWELL LP | 1.49M (5.52%) | 473.87K Increased by +31.75% | Mar 31, 26 |
| 12 | Vanguard Capital Management, LLC | 1.48M (5.46%) | 1.48M Increased by +100.00% | Mar 31, 26 |
| 13 | Aaron Wealth Advisors LLC | 1.17M (4.32%) | 1.10M Increased by +94.01% | Mar 31, 26 |
| 14 | Cormorant Asset Management, LLC | 1.12M (4.14%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 15 | T. Rowe Price Associates, Inc. | 1.03M (3.80%) | 188.50K Increased by +18.32% | Mar 31, 26 |
| 16 | Driehaus Capital Management LLC | 1.02M (3.76%) | -389.95K Decreased by -38.30% | Mar 31, 26 |
| 17 | StemPoint Capital LP | 998.94K (3.69%) | 920.38K Increased by +92.14% | Mar 31, 26 |
| 18 | Kynam Capital Management, LP | 934.80K (3.46%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 19 | Citadel Advisors Llc | 932.83K (3.45%) | 122.98K Increased by +13.18% | Mar 31, 26 |
| 20 | Woodline Partners LP | 900.06K (3.33%) | -100.00K Decreased by -11.11% | Mar 31, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Polar Capital Biotech S Inc | 1.52M (5.63%) | -83.33K Decreased by -5.47% | May 31, 26 |
| 2 | Vanguard Total Stock Mkt Idx Inv | 1.14M (4.20%) | 350.00 Increased by +0.03% | Jun 30, 26 |
| 3 | Eventide Healthcare & Life Sciences I | 890.00K (3.29%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 4 | iShares Russell 2000 ETF | 801.38K (2.96%) | 4.75K Increased by +0.59% | Jun 30, 26 |
| 5 | Fidelity Select Health Care | 600.00K (2.22%) | 0.00 Increased by 0.00% | May 31, 26 |
| 6 | T. Rowe Price Health Sciences | 586.31K (2.17%) | -103.90K Decreased by -17.72% | Jun 30, 26 |
| 7 | Fidelity Stock Selector Small Cap | 419.90K (1.55%) | 5.50K Increased by +1.31% | Apr 30, 26 |
| 8 | Heptagon Driehaus US Micro Cap Eq C$ Acc | 345.37K (1.28%) | 54.83K Increased by +15.88% | May 31, 26 |
| 9 | BlackRock Health Sciences Opps Inv A | 333.35K (1.23%) | 0.00 Increased by 0.00% | May 31, 26 |
| 10 | Fidelity | 321.10K (1.19%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 11 | Vanguard Institutional Extnd Mkt Idx Tr | 305.92K (1.13%) | 21.37K Increased by +6.99% | Jun 30, 26 |
| 12 | Fidelity Advisor Biotechnology I | 304.60K (1.13%) | 0.00 Increased by 0.00% | May 31, 26 |
| 13 | Fidelity Small Cap Growth | 301.64K (1.11%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 14 | Fidelity Advisor Health Care I | 300.00K (1.11%) | 0.00 Increased by 0.00% | May 31, 26 |
| 15 | Fidelity Series Small Cap Opps | 294.90K (1.09%) | -2.60K Decreased by -0.88% | Apr 30, 26 |
| 16 | Fidelity VIP Contrafund Initial | 286.90K (1.06%) | 0.00 Increased by 0.00% | May 31, 26 |
| 17 | iShares Russell 2000 Growth ETF | 285.38K (1.05%) | -1.10K Decreased by -0.38% | Jun 30, 26 |
| 18 | Fidelity Small Cap Index | 281.97K (1.04%) | 2.35K Increased by +0.83% | Apr 30, 26 |
| 19 | iShares Russell 2000 Value ETF | 246.67K (0.91%) | 0.00 Increased by 0.00% | May 29, 26 |
| 20 | State Street® SPDR® S&P® PhrmctlsETF | 210.96K (0.78%) | 11.45K Increased by +5.43% | Jun 30, 26 |