| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | FMR Inc | 7.24M (15.27%) | 1.81M Increased by +24.96% | Jun 30, 25 |
| 2 | Heights Capital Management Inc | 3.84M (8.10%) | 3.84M Increased by +100.00% | Jun 30, 25 |
| 3 | Cormorant Asset Management, LLC | 3.57M (7.53%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 4 | LAURION CAPITAL MANAGEMENT LP | 2.61M (5.51%) | 369.45K Increased by +14.14% | Sep 30, 23 |
| 5 | BlackRock Inc | 2.16M (4.55%) | -59.30K Decreased by -2.75% | Mar 31, 25 |
| 6 | Aisling Capital Management LP | 2.05M (4.32%) | 1.25M Increased by +61.01% | Jun 30, 25 |
| 7 | Vanguard Group Inc | 1.88M (3.96%) | 501.63K Increased by +26.69% | Jun 30, 25 |
| 8 | Woodline Partners LP | 1.74M (3.68%) | 1.50M Increased by +86.19% | Jun 30, 25 |
| 9 | HHG PLC | 1.72M (3.62%) | -1.26M Decreased by -73.29% | Dec 31, 23 |
| 10 | Baker Bros Advisors LP | 1.45M (3.06%) | -656.96K Decreased by -45.25% | Dec 31, 24 |
| 11 | State Street Corporation | 1.35M (2.85%) | -947.72K Decreased by -70.15% | Dec 31, 23 |
| 12 | Blue Owl Capital Holdings LP | 1.30M (2.74%) | 1.30M Increased by +100.00% | Jun 30, 25 |
| 13 | Driehaus Capital Management LLC | 1.18M (2.49%) | 269.88K Increased by +22.82% | Dec 31, 23 |
| 14 | Perceptive Advisors LLC | 716.44K (1.51%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 15 | Geode Capital Management, LLC | 625.95K (1.32%) | 21.81K Increased by +3.48% | Mar 31, 25 |
| 16 | State Street Corp | 597.37K (1.26%) | -6.99K Decreased by -1.17% | Mar 31, 25 |
| 17 | Federated Hermes Inc | 576.36K (1.22%) | -17.76K Decreased by -3.08% | Jun 30, 25 |
| 18 | Adage Capital Partners Gp LLC | 500.00K (1.05%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 19 | Morgan Stanley - Brokerage Accounts | 480.08K (1.01%) | 17.72K Increased by +3.69% | Mar 31, 25 |
| 20 | Burkehill Global Management, LP | 350.00K (0.74%) | 350.00K Increased by +100.00% | Jun 30, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | SPDR® S&P Biotech ETF | 4.01M (8.45%) | 21.37K Increased by +0.53% | Mar 31, 24 |
| 2 | Fidelity Growth Compy Commingled Pl S | 3.16M (6.66%) | 6.61K Increased by +0.21% | Jul 31, 25 |
| 3 | Fidelity Growth Company Fund | 2.21M (4.66%) | -13.22K Decreased by -0.60% | Jul 31, 25 |
| 4 | Fidelity Growth Compy Commingled Pl O | 2.19M (4.62%) | 0.00 Increased by 0.00% | Feb 29, 24 |
| 5 | Fidelity® Growth Company | 1.65M (3.47%) | 0.00 Increased by 0.00% | Nov 30, 23 |
| 6 | Vanguard Total Stock Mkt Idx Inv | 1.44M (3.03%) | -31.40K Decreased by -2.19% | Jul 31, 25 |
| 7 | Fidelity Growth Company K6 | 781.21K (1.65%) | 9.14K Increased by +1.17% | Jul 31, 25 |
| 8 | Vanguard US Total Market Shares ETF | 711.77K (1.50%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 9 | Fidelity Series Growth Company | 665.10K (1.40%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 10 | Fidelity® Growth Company K6 | 664.99K (1.40%) | -12.67K Decreased by -1.90% | Nov 30, 23 |
| 11 | Janus Henderson Global Life Sciences | 563.57K (1.19%) | -302.98K Decreased by -53.76% | Dec 31, 23 |
| 12 | Janus Henderson Global Life Sciences D | 557.87K (1.18%) | -5.71K Decreased by -1.02% | Feb 29, 24 |
| 13 | Federated Hermes MDT SCC Institutional | 552.60K (1.17%) | -15.84K Decreased by -2.87% | Jun 30, 25 |
| 14 | Federated Hermes MDT Small Cap Core IS | 552.60K (1.17%) | -15.84K Decreased by -2.87% | Jun 30, 25 |
| 15 | Fidelity® Series Growth Company | 512.83K (1.08%) | 0.00 Increased by 0.00% | Nov 30, 23 |
| 16 | Direxion Daily S&P Biotech Bull 3X ETF | 478.37K (1.01%) | -3.36K Decreased by -0.70% | Mar 31, 24 |
| 17 | Janus Henderson Glb Life Scn I2 USD | 431.18K (0.91%) | 3.79K Increased by +0.88% | Feb 29, 24 |
| 18 | Janus Selection Global Life Science AUSD | 426.15K (0.90%) | -252.20K Decreased by -59.18% | Dec 31, 23 |
| 19 | Fidelity Select Biotechnology | 423.93K (0.89%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 20 | Fidelity® Select Biotechnology | 392.83K (0.83%) | 0.00 Increased by 0.00% | Nov 30, 23 |