| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Suvretta Capital Management, LLC | 8.30M (11.77%) | 468.69K Increased by +5.65% | Mar 31, 26 |
| 2 | Cormorant Asset Management, LLC | 8.27M (11.73%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 3 | BlackRock Inc | 7.18M (10.18%) | 389.46K Increased by +5.43% | Mar 31, 26 |
| 4 | Federated Hermes Inc | 5.67M (8.04%) | -347.84K Decreased by -6.14% | Mar 31, 26 |
| 5 | Franklin Resources Inc | 5.05M (7.16%) | 71.68K Increased by +1.42% | Mar 31, 26 |
| 6 | Vanguard Group Inc | 4.82M (6.84%) | 1.03M Increased by +21.31% | Dec 31, 25 |
| 7 | HHG PLC | 3.60M (5.11%) | 663.44K Increased by +18.42% | Mar 31, 26 |
| 8 | TCG Crossover Management, LLC | 3.57M (5.07%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 9 | Vanguard Capital Management, LLC | 3.56M (5.05%) | 3.56M Increased by +100.00% | Mar 31, 26 |
| 10 | Adage Capital Partners Gp LLC | 3.30M (4.68%) | -1.40M Decreased by -42.42% | Mar 31, 26 |
| 11 | RA Capital Management, LLC | 3.18M (4.51%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 12 | Paradigm Biocapital Advisors LP | 3.14M (4.46%) | -549.04K Decreased by -17.47% | Mar 31, 26 |
| 13 | COMMODORE CAPITAL LP | 2.83M (4.01%) | 2.83M Increased by +100.00% | Mar 31, 26 |
| 14 | Orbimed Advisors, LLC | 2.47M (3.50%) | 672.31K Increased by +27.24% | Dec 31, 25 |
| 15 | State Street Corp | 2.10M (2.98%) | 262.35K Increased by +12.51% | Mar 31, 26 |
| 16 | Millennium Management LLC | 2.05M (2.90%) | 917.80K Increased by +44.85% | Mar 31, 24 |
| 17 | Geode Capital Management, LLC | 1.98M (2.81%) | 84.30K Increased by +4.25% | Mar 31, 26 |
| 18 | Citadel Advisors Llc | 1.91M (2.70%) | 1.91M Increased by +100.00% | Mar 31, 26 |
| 19 | Aberdeen Group PLC | 1.74M (2.47%) | 132.39K Increased by +7.62% | Mar 31, 26 |
| 20 | StemPoint Capital LP | 1.62M (2.30%) | 1.27M Increased by +78.18% | Mar 31, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Federated Hermes Kaufmann Growth | 2.77M (3.93%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 2 | Federated Hermes Kaufmann R | 2.77M (3.93%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 3 | Vanguard Total Stock Mkt Idx Inv | 2.60M (3.69%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 4 | Federated Hermes Kaufmann Small Cap A | 1.98M (2.81%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 5 | Federated Hermes Kaufmann Small Cap Grow | 1.98M (2.81%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 6 | Franklin Biotechnology Discv A(acc)USD | 1.92M (2.72%) | -194.25K Decreased by -10.13% | Apr 30, 26 |
| 7 | iShares Russell 2000 ETF | 1.85M (2.63%) | 17.11K Increased by +0.92% | May 29, 26 |
| 8 | Vanguard US Total Market Shares ETF | 1.56M (2.21%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 9 | Franklin Small Cap Growth Adv | 1.51M (2.14%) | 63.61K Increased by +4.22% | Apr 30, 26 |
| 10 | Franklin Small Cap Growth SMA | 1.44M (2.05%) | 1.44M Increased by +99.99% | Mar 31, 26 |
| 11 | Franklin US Small Cap Growth Equity | 1.44M (2.05%) | 160.91K Increased by +11.15% | Mar 31, 26 |
| 12 | Eventide Healthcare & Life Sciences I | 1.25M (1.77%) | 1.25M Increased by +100.00% | Mar 31, 26 |
| 13 | abrdn Healthcare Investors | 1.22M (1.73%) | 98.54K Increased by +8.07% | May 31, 26 |
| 14 | Franklin Biotechnology Discovery A | 1.12M (1.59%) | -103.91K Decreased by -9.25% | Apr 30, 26 |
| 15 | T. Rowe Price New Horizons | 900.54K (1.28%) | -248.79K Decreased by -27.63% | Mar 31, 25 |
| 16 | US Small-Cap Growth II Equity Comp | 900.54K (1.28%) | -249.12K Decreased by -27.66% | Mar 31, 25 |
| 17 | Vanguard Institutional Extnd Mkt Idx Tr | 875.49K (1.24%) | 4.36K Increased by +0.50% | Apr 30, 26 |
| 18 | HSBC GIF Glb Eq Sust Hlthcare AC USD | 833.46K (1.18%) | 20.67K Increased by +2.48% | Feb 28, 26 |
| 19 | Fidelity Small Cap Index | 760.73K (1.08%) | 21.15K Increased by +2.78% | Mar 31, 26 |
| 20 | Columbia Small Cap Growth | 693.23K (0.98%) | 251.24K Increased by +36.24% | Jun 30, 24 |