| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | HHG PLC | 20.79M (21.42%) | 325.46K Increased by +1.57% | Jun 30, 25 |
| 2 | RA Capital Management, LLC | 19.89M (20.50%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 3 | Suvretta Capital Management, LLC | 14.21M (14.64%) | -125.24K Decreased by -0.88% | Jun 30, 25 |
| 4 | BlackRock Inc | 10.57M (10.89%) | 494.08K Increased by +4.67% | Jun 30, 25 |
| 5 | Deep Track Capital, LP | 9.50M (9.79%) | 183.67K Increased by +1.93% | Jun 30, 25 |
| 6 | Vanguard Group Inc | 8.24M (8.49%) | 1.08M Increased by +13.09% | Jun 30, 25 |
| 7 | venBio Select Advisor LLC | 6.75M (6.96%) | 400.00K Increased by +5.93% | Jun 30, 25 |
| 8 | State Street Corporation | 5.54M (5.71%) | 144.23K Increased by +2.60% | Mar 31, 24 |
| 9 | Bvf Inc | 4.33M (4.47%) | -2.48M Decreased by -57.17% | Dec 31, 24 |
| 10 | State Street Corp | 4.25M (4.38%) | 219.65K Increased by +5.17% | Jun 30, 25 |
| 11 | Pictet Asset Manangement SA | 4.04M (4.16%) | -169.50K Decreased by -4.20% | Jun 30, 25 |
| 12 | Citadel Advisors Llc | 3.84M (3.95%) | -1.25M Decreased by -32.58% | Jun 30, 25 |
| 13 | Westfield Capital Management Company, L.P. | 3.37M (3.47%) | -523.92K Decreased by -15.54% | Jun 30, 25 |
| 14 | Geode Capital Management, LLC | 3.11M (3.21%) | 213.32K Increased by +6.86% | Jun 30, 25 |
| 15 | Holocene Advisors, LP | 3.07M (3.16%) | 3.07M Increased by +100.00% | Jun 30, 25 |
| 16 | Westfield Capital Management Company, LP | 3.01M (3.10%) | 686.67K Increased by +22.84% | Sep 30, 24 |
| 17 | Logos Global Management LP | 2.50M (2.58%) | 2.50M Increased by +100.00% | Mar 31, 25 |
| 18 | Polar Capital Holdings PLC | 2.48M (2.55%) | -25.00K Decreased by -1.01% | Jun 30, 25 |
| 19 | Point72 Asset Management, L.P. | 2.27M (2.34%) | 2.27M Increased by +100.00% | Jun 30, 25 |
| 20 | Morgan Stanley - Brokerage Accounts | 2.19M (2.25%) | 1.56M Increased by +71.20% | Jun 30, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 4.70M (4.84%) | -104.88K Decreased by -2.23% | Jul 31, 25 |
| 2 | iShares Russell 2000 ETF | 3.00M (3.09%) | 0.00 Increased by 0.00% | Aug 31, 25 |
| 3 | Janus Henderson Global Life Sciences | 2.92M (3.01%) | -50.20K Decreased by -1.72% | Jun 30, 25 |
| 4 | Janus Henderson Global Life Sciences D | 2.92M (3.01%) | -28.64K Decreased by -0.98% | Jun 30, 25 |
| 5 | Vanguard US Total Market Shares ETF | 2.65M (2.73%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 6 | Polar Capital Biotech S Inc | 2.48M (2.55%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 7 | Janus Global Life Science AUSD | 2.41M (2.49%) | -4.33K Decreased by -0.18% | Jun 30, 25 |
| 8 | Janus Henderson Glb Life Scn I2 USD | 2.36M (2.44%) | -43.03K Decreased by -1.82% | Jul 31, 25 |
| 9 | Janus Henderson Triton D | 2.35M (2.42%) | -27.66K Decreased by -1.18% | Jun 30, 25 |
| 10 | Janus Henderson US SMID Cap Growth | 2.35M (2.42%) | -27.66K Decreased by -1.18% | Jun 30, 25 |
| 11 | Janus Henderson US SMID Cap Growth MA | 2.35M (2.42%) | 2.35M Increased by +100.00% | Jun 30, 25 |
| 12 | Pictet-Biotech P USD | 2.30M (2.37%) | 28.19K Increased by +1.22% | May 31, 25 |
| 13 | Janus Selection Global Life Science AUSD | 2.19M (2.26%) | -95.51K Decreased by -4.36% | Jun 30, 24 |
| 14 | Pictet Biotech | 2.04M (2.10%) | 2.04M Increased by +100.00% | Mar 31, 24 |
| 15 | Harbor Small Cap Growth Instl | 1.55M (1.60%) | -416.08K Decreased by -26.77% | Jun 30, 25 |
| 16 | Westfield Capital Mgt Co Sm-Cap Gr Eq | 1.55M (1.60%) | -416.08K Decreased by -26.77% | Jun 30, 25 |
| 17 | Pictet-Global Megatrend Sel I USD | 1.55M (1.60%) | 23.68K Increased by +1.53% | May 31, 25 |
| 18 | SPDR® S&P Biotech ETF | 1.49M (1.54%) | 3.33K Increased by +0.22% | Aug 31, 25 |
| 19 | Vanguard Institutional Extnd Mkt Idx Tr | 1.38M (1.42%) | -617.82K Decreased by -44.76% | Jul 31, 25 |
| 20 | Fidelity Small Cap Index | 1.25M (1.29%) | 117.96K Increased by +9.42% | Jun 30, 25 |