| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | NEA Management Company, LLC | 13.22M (11.13%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 2 | BlackRock Inc | 10.24M (8.62%) | 114.00K Increased by +1.11% | Mar 31, 26 |
| 3 | Frazier Life Sciences Management, L.P. | 9.94M (8.37%) | -319.86K Decreased by -3.22% | Mar 31, 26 |
| 4 | FMR Inc | 8.04M (6.77%) | 1.54M Increased by +19.13% | Mar 31, 26 |
| 5 | Vanguard Group Inc | 6.43M (5.42%) | 607.67K Increased by +9.44% | Dec 31, 25 |
| 6 | Wellington Management Company LLP | 5.19M (4.37%) | 1.79M Increased by +34.40% | Mar 31, 26 |
| 7 | Fairmount Funds Management LLC | 5.16M (4.35%) | -27.07K Decreased by -0.52% | Sep 30, 23 |
| 8 | Vivo Capital, LLC | 5.09M (4.29%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 9 | Vanguard Capital Management, LLC | 4.98M (4.19%) | 4.98M Increased by +100.00% | Mar 31, 26 |
| 10 | Morgan Stanley - Brokerage Accounts | 4.30M (3.62%) | 3.28M Increased by +76.20% | Sep 30, 25 |
| 11 | Woodline Partners LP | 4.05M (3.41%) | 1.99M Increased by +49.15% | Jun 30, 25 |
| 12 | Marshall Wace Asset Management Ltd | 3.97M (3.34%) | -614.53K Decreased by -15.49% | Mar 31, 26 |
| 13 | Rubric Capital Management LP | 3.71M (3.13%) | -54.38K Decreased by -1.46% | Mar 31, 26 |
| 14 | MPM Oncology Impact Management LP | 3.30M (2.78%) | 11.34K Increased by +0.34% | Mar 31, 26 |
| 15 | Viking Global Investors LP | 3.20M (2.69%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 16 | Armistice Capital, LLC | 2.99M (2.52%) | 2.99M Increased by +100.00% | Mar 31, 25 |
| 17 | AllianceBernstein L.P. | 2.85M (2.40%) | -237.51K Decreased by -8.35% | Mar 31, 26 |
| 18 | Octagon Capital Advisors LP | 2.81M (2.37%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 19 | Geode Capital Management, LLC | 2.78M (2.34%) | 365.35K Increased by +13.15% | Mar 31, 26 |
| 20 | State Street Corp | 2.67M (2.24%) | 230.31K Increased by +8.64% | Mar 31, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 4.02M (3.38%) | 321.25K Increased by +7.99% | Apr 30, 26 |
| 2 | Eventide Healthcare & Life Sciences I | 2.62M (2.21%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 3 | Fidelity Select Biotechnology | 2.37M (2.00%) | -3.70K Decreased by -0.16% | Apr 30, 26 |
| 4 | iShares Russell 2000 ETF | 2.28M (1.92%) | 21.06K Increased by +0.92% | May 29, 26 |
| 5 | Vanguard US Total Market Shares ETF | 1.78M (1.49%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 6 | MEDICAL BioHealth EUR Acc | 1.39M (1.17%) | -1.00K Decreased by -0.07% | Apr 30, 26 |
| 7 | Fidelity Growth Compy Commingled Pl S | 1.37M (1.16%) | 691.40K Increased by +50.31% | Apr 30, 26 |
| 8 | Vanguard Institutional Extnd Mkt Idx Tr | 1.31M (1.10%) | 146.30K Increased by +11.18% | Apr 30, 26 |
| 9 | Fidelity Small Cap Growth | 1.29M (1.09%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 10 | AB Small Cap Growth A | 1.20M (1.01%) | -53.32K Decreased by -4.45% | Apr 30, 26 |
| 11 | Pictet-Biotech P USD | 1.11M (0.93%) | 4.36K Increased by +0.39% | Feb 28, 26 |
| 12 | Fidelity Growth Company Fund | 1.04M (0.88%) | 524.40K Increased by +50.41% | Apr 30, 26 |
| 13 | Fidelity Select Health Care | 1.00M (0.84%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 14 | Fidelity Small Cap Index | 937.61K (0.79%) | 48.91K Increased by +5.22% | Mar 31, 26 |
| 15 | Biotech Growth Ord | 894.50K (0.75%) | 0.00 Increased by 0.00% | Jan 31, 26 |
| 16 | HBM Healthcare Investments AG Ord | 886.68K (0.75%) | 390.48K Increased by +44.04% | Mar 31, 26 |
| 17 | Principal SmallCap Growth I Instl | 803.12K (0.68%) | -897.00 Decreased by -0.11% | Apr 30, 26 |
| 18 | iShares Russell 2000 Growth ETF | 784.07K (0.66%) | -5.11K Decreased by -0.65% | May 29, 26 |
| 19 | iShares Biotechnology ETF | 681.34K (0.57%) | 81.72K Increased by +11.99% | May 29, 26 |
| 20 | Fidelity Small Cap Growth K6 | 643.32K (0.54%) | 0.00 Increased by 0.00% | Mar 31, 26 |