| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | FMR Inc | 6.58M (342.56%) | 2.80M Increased by +42.50% | Mar 31, 24 |
| 2 | Perceptive Advisors LLC | 2.56M (133.03%) | -50.00K Decreased by -1.96% | Mar 31, 24 |
| 3 | RTW INVESTMENTS, LLC | 2.23M (116.17%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 4 | VR Adviser, LLC | 2.17M (113.00%) | 2.17M Increased by +100.00% | Mar 31, 24 |
| 5 | COMMODORE CAPITAL LP | 1.88M (98.03%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 6 | venBio Select Advisor LLC | 1.84M (95.69%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 7 | Deep Track Capital, LP | 1.21M (63.14%) | -739.34K Decreased by -60.93% | Mar 31, 24 |
| 8 | Adage Capital Partners Gp LLC | 1.11M (57.50%) | 105.20K Increased by +9.52% | Mar 31, 24 |
| 9 | Cormorant Asset Management, LLC | 937.08K (48.76%) | 937.08K Increased by +100.00% | Dec 31, 23 |
| 10 | EcoR1 Capital, LLC | 887.08K (46.16%) | 687.08K Increased by +77.45% | Dec 31, 23 |
| 11 | Wellington Management Company LLP | 812.86K (42.29%) | 177.41K Increased by +21.82% | Mar 31, 24 |
| 12 | Franklin Resources Inc | 741.90K (38.60%) | 54.81K Increased by +7.39% | Mar 31, 24 |
| 13 | Driehaus Capital Management LLC | 687.08K (35.75%) | -84.82K Decreased by -12.35% | Mar 31, 24 |
| 14 | HighVista Strategies LLC | 577.62K (30.05%) | 577.62K Increased by +100.00% | Dec 31, 23 |
| 15 | University of Notre Dame Du Lac | 577.62K (30.05%) | 577.62K Increased by +100.00% | Dec 31, 23 |
| 16 | BlackRock Inc | 556.69K (28.96%) | 536.93K Increased by +96.45% | Mar 31, 24 |
| 17 | BRAIDWELL LP | 515.00K (26.80%) | 515.00K Increased by +100.00% | Mar 31, 24 |
| 18 | Global Endowment Management, LP | 513.44K (26.71%) | 513.44K Increased by +100.00% | Dec 31, 23 |
| 19 | Polar Capital Holdings PLC | 500.00K (26.02%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 20 | Vanguard Group Inc | 497.18K (25.87%) | 457.74K Increased by +92.07% | Mar 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Fidelity Growth Compy Commingled Pl O | 1.40M (72.73%) | 3.53K Increased by +0.25% | Apr 30, 24 |
| 2 | Fidelity Growth Company Fund | 1.05M (54.78%) | -6.63K Decreased by -0.63% | Apr 30, 24 |
| 3 | Fidelity® Growth Company | 704.00K (36.63%) | 704.00K Increased by +100.00% | Nov 30, 23 |
| 4 | Fidelity Select Health Care | 500.00K (26.02%) | 0.00 Increased by 0.00% | Apr 30, 24 |
| 5 | Polar Capital Biotech S Inc | 500.00K (26.02%) | 0.00 Increased by 0.00% | Apr 30, 24 |
| 6 | Franklin Biotechnology Discv A(acc)USD | 486.78K (25.33%) | 0.00 Increased by 0.00% | May 31, 24 |
| 7 | Fidelity Advisor Biotechnology I | 479.17K (24.93%) | 0.00 Increased by 0.00% | Apr 30, 24 |
| 8 | Vanguard Institutional Extnd Mkt Idx Tr | 473.68K (24.65%) | 3.31K Increased by +0.70% | May 31, 24 |
| 9 | Fidelity Small Cap Growth | 388.45K (20.21%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 10 | Fidelity Growth Company K6 | 334.47K (17.40%) | 3.10K Increased by +0.93% | Apr 30, 24 |
| 11 | Fidelity Advisor Health Care I | 330.00K (17.17%) | 0.00 Increased by 0.00% | Apr 30, 24 |
| 12 | Fidelity Series Small Cap Opps | 281.96K (14.67%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 13 | Fidelity Series Growth Company | 271.20K (14.11%) | 0.00 Increased by 0.00% | Apr 30, 24 |
| 14 | Fidelity Select Biotechnology | 261.55K (13.61%) | 0.00 Increased by 0.00% | Apr 30, 24 |
| 15 | Franklin Biotechnology Discovery A | 255.10K (13.27%) | 0.00 Increased by 0.00% | May 31, 24 |
| 16 | Fidelity Small Cap Value Fund | 254.16K (13.22%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 17 | Fidelity® Growth Company K6 | 216.00K (11.24%) | 216.00K Increased by +100.00% | Nov 30, 23 |
| 18 | Fidelity® Series Growth Company | 196.00K (10.20%) | 196.00K Increased by +100.00% | Nov 30, 23 |
| 19 | FIAM Small Cap Core CIT Cl B | 179.10K (9.32%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 20 | FIAM Small Cap Core Composite | 179.10K (9.32%) | 179.10K Increased by +100.00% | Mar 31, 24 |