| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | HHG PLC | 6.13M (1.09%) | 617.52K Increased by +10.07% | Jun 30, 25 |
| 2 | Perceptive Advisors LLC | 5.51M (0.98%) | -1.06M Decreased by -19.17% | Jun 30, 25 |
| 3 | Darwin Global Management, Ltd. | 4.13M (0.73%) | 206.41K Increased by +5.00% | Jun 30, 25 |
| 4 | Deep Track Capital, LP | 3.18M (0.56%) | -819.98K Decreased by -25.79% | Sep 30, 24 |
| 5 | RTW INVESTMENTS, LLC | 3.05M (0.54%) | 203.08K Increased by +6.65% | Jun 30, 25 |
| 6 | Orbimed Advisors, LLC | 2.86M (0.51%) | -536.27K Decreased by -18.74% | Jun 30, 24 |
| 7 | Eventide Asset Management, LLC | 2.72M (0.48%) | -178.11K Decreased by -6.56% | Jun 30, 25 |
| 8 | Goldman Sachs Group Inc | 2.62M (0.46%) | 1.58M Increased by +60.21% | Jun 30, 25 |
| 9 | The Carlyle Group Inc | 2.46M (0.44%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 10 | NEA Management Company, LLC | 2.26M (0.40%) | -425.43K Decreased by -18.80% | Jun 30, 25 |
| 11 | SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 2.14M (0.38%) | -178.83K Decreased by -8.34% | Jun 30, 25 |
| 12 | Octagon Capital Advisors LP | 1.84M (0.32%) | -60.00K Decreased by -3.27% | Sep 30, 24 |
| 13 | Farallon Capital Management, L.L.C. | 1.81M (0.32%) | 725.01K Increased by +40.06% | Jun 30, 25 |
| 14 | T. Rowe Price Associates, Inc. | 1.79M (0.32%) | -76.77K Decreased by -4.29% | Jun 30, 25 |
| 15 | Maverick Capital Ltd | 1.78M (0.32%) | -1.35M Decreased by -75.41% | Mar 31, 25 |
| 16 | RA Capital Management, LLC | 1.77M (0.31%) | -3.24M Decreased by -183.54% | Dec 31, 24 |
| 17 | FMR Inc | 1.73M (0.31%) | -3.17M Decreased by -183.15% | Mar 31, 24 |
| 18 | Adage Capital Partners Gp LLC | 1.63M (0.29%) | 1.29M Increased by +79.25% | Mar 31, 25 |
| 19 | Wellington Management Company LLP | 1.63M (0.29%) | -501.65K Decreased by -30.78% | Jun 30, 25 |
| 20 | Morgan Stanley - Brokerage Accounts | 1.62M (0.29%) | 140.37K Increased by +8.64% | Mar 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | BlackRock Event Driven Equity Instl | 2.01M (0.36%) | 2.01M Increased by +100.00% | Jul 31, 25 |
| 2 | Eventide Gilead N | 1.89M (0.33%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 3 | T. Rowe Price Health Sciences | 1.36M (0.24%) | -8.06K Decreased by -0.59% | Jun 30, 25 |
| 4 | Fidelity® Select Biotechnology | 1.34M (0.24%) | -117.00K Decreased by -8.73% | Nov 30, 23 |
| 5 | Vanguard Health Care Inv | 1.16M (0.21%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 6 | Bellevue Healthcare Ord | 1.10M (0.20%) | 1.10M Increased by +100.00% | Jul 31, 24 |
| 7 | Janus Henderson Global Life Sciences | 928.45K (0.16%) | 166.86K Increased by +17.97% | Jun 30, 25 |
| 8 | Janus Henderson Global Life Sciences D | 928.45K (0.16%) | -93.09K Decreased by -10.03% | Jun 30, 25 |
| 9 | Polar Capital Biotech S Inc | 875.00K (0.15%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 10 | Hood River Small-Cap Growth Instl | 820.64K (0.15%) | -18.27K Decreased by -2.23% | Jun 30, 25 |
| 11 | Eventide Healthcare & Life Sciences I | 809.11K (0.14%) | -179.06K Decreased by -22.13% | Jun 30, 25 |
| 12 | Janus Global Life Science AUSD | 769.69K (0.14%) | 149.92K Increased by +19.48% | Jun 30, 25 |
| 13 | Janus Henderson Glb Life Scn I2 USD | 769.69K (0.14%) | -58.88K Decreased by -7.65% | Jun 30, 25 |
| 14 | Putnam Small Cap Growth A | 734.13K (0.13%) | -3.97K Decreased by -0.54% | Jun 30, 25 |
| 15 | Putnam US Small Cap Growth Equity | 734.13K (0.13%) | -2.87K Decreased by -0.39% | Jun 30, 25 |
| 16 | Putnam US Small Cap Growth Managed Acct | 734.13K (0.13%) | -2.87K Decreased by -0.39% | Jun 30, 25 |
| 17 | Fidelity Select Biotechnology | 716.59K (0.13%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 18 | SEB Läkemedelsfond | 681.92K (0.12%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 19 | Fidelity® Small Cap Growth | 662.99K (0.12%) | -805.00 Decreased by -0.12% | Oct 31, 23 |
| 20 | Fidelity Small Cap Growth | 662.19K (0.12%) | -799.00 Decreased by -0.12% | Jan 31, 24 |