| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Medicxi Ventures Management (Jersey) Ltd | 19.96M (24.92%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 2 | Index Venture Life Associates VI Ltd | 9.96M (12.44%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 3 | General Atlantic Llc | 9.68M (12.09%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 4 | Bvf Inc | 9.10M (11.37%) | -320.16K Decreased by -3.52% | Sep 30, 23 |
| 5 | Adage Capital Partners Gp LLC | 8.40M (10.49%) | 1.45M Increased by +17.24% | Jun 30, 25 |
| 6 | HHG PLC | 6.53M (8.16%) | 610.28K Increased by +9.34% | Jun 30, 25 |
| 7 | T. Rowe Price Associates, Inc. | 5.91M (7.38%) | 565.65K Increased by +9.57% | Jun 30, 25 |
| 8 | venBio Select Advisor LLC | 5.00M (6.24%) | 950.00K Increased by +19.00% | Jun 30, 25 |
| 9 | Farallon Capital Management, L.L.C. | 4.53M (5.65%) | 195.00K Increased by +4.31% | Jun 30, 25 |
| 10 | First Light Asset Management, LLC | 4.29M (5.36%) | -580.71K Decreased by -13.53% | Jun 30, 25 |
| 11 | Vida Ventures Advisors, LLC | 3.93M (4.91%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 12 | FMR Inc | 3.83M (4.78%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 13 | Siren, L.L.C. | 3.46M (4.32%) | 500.00K Increased by +14.45% | Jun 30, 25 |
| 14 | COMMODORE CAPITAL LP | 3.30M (4.12%) | 930.71K Increased by +28.22% | Jun 30, 25 |
| 15 | EcoR1 Capital, LLC | 3.22M (4.03%) | -2.49M Decreased by -77.25% | Sep 30, 24 |
| 16 | Perceptive Advisors LLC | 3.04M (3.80%) | -3.31M Decreased by -108.83% | Mar 31, 25 |
| 17 | OUP Management Co., LLC | 2.94M (3.67%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 18 | TCG Crossover Management, LLC | 2.89M (3.61%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 19 | Point72 Asset Management, L.P. | 2.59M (3.24%) | 305.16K Increased by +11.78% | Jun 30, 25 |
| 20 | Franklin Resources Inc | 2.54M (3.18%) | 1.54K Increased by +0.06% | Jun 30, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | T. Rowe Price Health Sciences | 2.97M (3.71%) | -236.58K Decreased by -7.96% | Jul 31, 25 |
| 2 | Fidelity Select Biotechnology | 2.91M (3.63%) | -70.50K Decreased by -2.43% | Jul 31, 25 |
| 3 | Fidelity® Select Biotechnology | 2.79M (3.48%) | 0.00 Increased by 0.00% | Nov 30, 23 |
| 4 | Franklin Biotechnology Discv A(acc)USD | 1.18M (1.47%) | 0.00 Increased by 0.00% | Aug 31, 25 |
| 5 | Polar Capital Biotech S Inc | 1.00M (1.25%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 6 | Janus Henderson Triton D | 953.94K (1.19%) | -11.25K Decreased by -1.18% | Jun 30, 25 |
| 7 | Janus Henderson US SMID Cap Growth | 953.94K (1.19%) | -11.25K Decreased by -1.18% | Jun 30, 25 |
| 8 | Janus Henderson US SMID Cap Growth MA | 953.94K (1.19%) | 953.86K Increased by +99.99% | Jun 30, 25 |
| 9 | American Century Small Cap Growth Inv | 888.01K (1.11%) | 33.57K Increased by +3.78% | Jun 30, 25 |
| 10 | American Century U.S. Small Cap Growth | 888.01K (1.11%) | 33.57K Increased by +3.78% | Jun 30, 25 |
| 11 | Fidelity VIP Mid Cap Initial | 702.20K (0.88%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 12 | US Small-Cap Growth II Equity Comp | 679.54K (0.85%) | -72.80K Decreased by -10.71% | Jun 30, 25 |
| 13 | Franklin Biotechnology Discovery A | 678.97K (0.85%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 14 | Franklin Small Cap Growth SMA | 664.10K (0.83%) | 664.05K Increased by +99.99% | Jun 30, 25 |
| 15 | Franklin US Small Cap Growth Equity | 664.10K (0.83%) | 50.70K Increased by +7.63% | Jun 30, 25 |
| 16 | T. Rowe Price Small-Cap Value | 656.69K (0.82%) | -477.00 Decreased by -0.07% | Jan 31, 25 |
| 17 | Janus Henderson Hrzn Biotec E2 USD | 622.06K (0.78%) | 113.74K Increased by +18.28% | Jun 30, 25 |
| 18 | Franklin Small Cap Growth Adv | 613.40K (0.77%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 19 | T. Rowe Price New Horizons | 580.21K (0.72%) | -99.33K Decreased by -17.12% | Jul 31, 25 |
| 20 | T. Rowe Price Integrated US Sm Gr Eq | 529.10K (0.66%) | 0.00 Increased by 0.00% | Jul 31, 25 |