| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Medicxi Ventures Management (Jersey) Ltd | 19.96M (23.50%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 2 | Index Venture Life Associates VI Ltd | 9.96M (11.73%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 3 | General Atlantic Llc | 9.68M (11.40%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 4 | Bvf Inc | 9.10M (10.72%) | -320.16K Decreased by -3.52% | Sep 30, 23 |
| 5 | Adage Capital Partners Gp LLC | 6.95M (8.19%) | 1.83M Increased by +26.39% | Mar 31, 25 |
| 6 | HHG PLC | 5.92M (6.97%) | 1.01M Increased by +17.10% | Mar 31, 25 |
| 7 | T. Rowe Price Associates, Inc. | 5.34M (6.29%) | -22.05K Decreased by -0.41% | Mar 31, 25 |
| 8 | First Light Asset Management, LLC | 4.87M (5.74%) | -931.06K Decreased by -19.10% | Mar 31, 25 |
| 9 | Farallon Capital Management, L.L.C. | 4.33M (5.10%) | 835.61K Increased by +19.28% | Mar 31, 25 |
| 10 | venBio Select Advisor LLC | 4.05M (4.77%) | 4.05M Increased by +100.00% | Mar 31, 25 |
| 11 | Vida Ventures Advisors, LLC | 3.93M (4.63%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 12 | FMR Inc | 3.83M (4.50%) | 174.60K Increased by +4.56% | Mar 31, 25 |
| 13 | EcoR1 Capital, LLC | 3.22M (3.79%) | -2.49M Decreased by -77.25% | Sep 30, 24 |
| 14 | Perceptive Advisors LLC | 3.04M (3.58%) | -3.31M Decreased by -108.83% | Mar 31, 25 |
| 15 | Siren, L.L.C. | 2.96M (3.48%) | -44.65K Decreased by -1.51% | Mar 31, 25 |
| 16 | OUP Management Co., LLC | 2.94M (3.46%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 17 | Morgan Stanley - Brokerage Accounts | 2.94M (3.46%) | 1.01M Increased by +34.48% | Mar 31, 25 |
| 18 | TCG Crossover Management, LLC | 2.89M (3.40%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 19 | Franklin Resources Inc | 2.54M (2.99%) | 233.45K Increased by +9.18% | Mar 31, 25 |
| 20 | COMMODORE CAPITAL LP | 2.37M (2.79%) | 149.15K Increased by +6.30% | Mar 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | T. Rowe Price Health Sciences | 3.21M (3.78%) | -33.77K Decreased by -1.05% | Jun 30, 25 |
| 2 | Fidelity Select Biotechnology | 2.98M (3.50%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 3 | Fidelity® Select Biotechnology | 2.79M (3.28%) | 0.00 Increased by 0.00% | Nov 30, 23 |
| 4 | Franklin Biotechnology Discv A(acc)USD | 1.18M (1.39%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 5 | Polar Capital Biotech S Inc | 1.00M (1.18%) | 33.35K Increased by +3.33% | Jun 30, 25 |
| 6 | Janus Henderson Triton D | 965.19K (1.14%) | 0.00 Increased by 0.00% | May 31, 25 |
| 7 | Janus Henderson US SMID Cap Growth | 953.94K (1.12%) | -11.25K Decreased by -1.18% | Jun 30, 25 |
| 8 | Janus Henderson US SMID Cap Growth MA | 953.94K (1.12%) | 953.86K Increased by +99.99% | Jun 30, 25 |
| 9 | American Century Small Cap Growth Inv | 888.01K (1.05%) | 33.57K Increased by +3.78% | Jun 30, 25 |
| 10 | American Century U.S. Small Cap Growth | 888.01K (1.05%) | 33.57K Increased by +3.78% | Jun 30, 25 |
| 11 | Fidelity VIP Mid Cap Initial | 702.20K (0.83%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 12 | T. Rowe Price New Horizons | 679.54K (0.80%) | -3.38K Decreased by -0.50% | Jun 30, 25 |
| 13 | US Small-Cap Growth II Equity Comp | 679.54K (0.80%) | -72.80K Decreased by -10.71% | Jun 30, 25 |
| 14 | Franklin Biotechnology Discovery A | 678.97K (0.80%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 15 | Franklin Small Cap Growth SMA | 664.10K (0.78%) | 664.05K Increased by +99.99% | Jun 30, 25 |
| 16 | Franklin US Small Cap Growth Equity | 664.10K (0.78%) | 50.70K Increased by +7.63% | Jun 30, 25 |
| 17 | T. Rowe Price Small-Cap Value | 656.69K (0.77%) | -477.00 Decreased by -0.07% | Jan 31, 25 |
| 18 | Janus Henderson Hrzn Biotec E2 USD | 622.06K (0.73%) | 113.74K Increased by +18.28% | Jun 30, 25 |
| 19 | Franklin Small Cap Growth Adv | 613.40K (0.72%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 20 | T. Rowe Price Integrated US Sm Gr Eq | 529.10K (0.62%) | 0.00 Increased by 0.00% | Jun 30, 25 |