| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Wellington Management Company LLP | 25.35M (18.35%) | 1.13M Increased by +4.44% | Dec 31, 24 |
| 2 | Blackstone Inc | 20.49M (14.83%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 3 | Syncona Portfolio Ltd. | 16.64M (12.05%) | -1.91M Decreased by -11.50% | Dec 31, 24 |
| 4 | FMR Inc | 15.63M (11.32%) | -2.14M Decreased by -13.70% | Dec 31, 24 |
| 5 | Deep Track Capital, LP | 14.22M (10.30%) | -1.05M Decreased by -7.41% | Dec 31, 24 |
| 6 | venBio Select Advisor LLC | 9.91M (7.18%) | -2.44M Decreased by -24.57% | Dec 31, 24 |
| 7 | Armistice Capital, LLC | 9.20M (6.66%) | 2.33M Increased by +25.30% | Dec 31, 24 |
| 8 | Polygon Management Ltd | 8.25M (5.97%) | 250.00K Increased by +3.03% | Dec 31, 24 |
| 9 | Cormorant Asset Management, LLC | 6.62M (4.79%) | 1.17M Increased by +17.63% | Mar 31, 24 |
| 10 | Paradigm Biocapital Advisors LP | 6.43M (4.65%) | -6.19M Decreased by -96.26% | Mar 31, 24 |
| 11 | Affinity Asset Advisors, LLC | 4.50M (3.26%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 12 | Perceptive Advisors LLC | 4.33M (3.14%) | 2.50M Increased by +57.72% | Mar 31, 24 |
| 13 | BlackRock Inc | 4.13M (2.99%) | -297.80K Decreased by -7.21% | Dec 31, 24 |
| 14 | Deerfield Management Co | 3.64M (2.64%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 15 | Candriam Luxembourg S.C.A. | 3.19M (2.31%) | 3.19M Increased by +100.00% | Dec 31, 24 |
| 16 | LAURION CAPITAL MANAGEMENT LP | 3.19M (2.31%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 17 | Great Point Partners LLC | 3.01M (2.18%) | 197.44K Increased by +6.56% | Dec 31, 24 |
| 18 | Adage Capital Partners Gp LLC | 2.95M (2.14%) | -250.00K Decreased by -8.47% | Sep 30, 24 |
| 19 | T. Rowe Price Associates, Inc. | 2.94M (2.13%) | -902.26K Decreased by -30.70% | Dec 31, 24 |
| 20 | Schroder Investment Management Group | 2.86M (2.07%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Syncona Ord | 30.73M (22.26%) | 9.39M Increased by +30.55% | Sep 30, 24 |
| 2 | Vanguard Health Care Inv | 19.36M (14.02%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 3 | FIAM Small Cap Core CIT Cl B | 3.21M (2.33%) | 48.03K Increased by +1.49% | Jan 31, 25 |
| 4 | FIAM Small Cap Core Composite | 3.17M (2.29%) | -100.83K Decreased by -3.18% | Dec 31, 24 |
| 5 | Fidelity Small Cap Growth | 2.57M (1.86%) | 0.00 Increased by 0.00% | Jan 31, 25 |
| 6 | T. Rowe Price New Horizons | 2.24M (1.62%) | -30.23K Decreased by -1.35% | Mar 31, 25 |
| 7 | US Small-Cap Growth II Equity Comp | 2.24M (1.62%) | -30.89K Decreased by -1.38% | Mar 31, 25 |
| 8 | Wellington Global Hlthcr Eq USD G Ac | 2.21M (1.60%) | 0.00 Increased by 0.00% | Feb 28, 25 |
| 9 | AXA Framlington Health Fund - R Income | 1.82M (1.32%) | 0.00 Increased by 0.00% | Jan 31, 25 |
| 10 | Belfius Equities Cure C Cap | 1.68M (1.22%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 11 | Fidelity Stock Selector Small Cap | 1.62M (1.17%) | -348.11K Decreased by -21.54% | Jan 31, 25 |
| 12 | Candriam Eqs L Biotech C USD Cap | 1.51M (1.10%) | 0.00 Increased by 0.00% | Feb 28, 25 |
| 13 | Fidelity Series Small Cap Opps | 1.41M (1.02%) | -348.96K Decreased by -24.79% | Jan 31, 25 |
| 14 | Fidelity Select Biotechnology | 1.24M (0.90%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 15 | International Biotechnology Ord | 1.19M (0.86%) | 0.00 Increased by 0.00% | Feb 28, 25 |
| 16 | Fidelity Small Cap Growth K6 | 1.09M (0.79%) | 7.40K Increased by +0.68% | Jan 31, 25 |
| 17 | iShares Biotechnology ETF | 1.07M (0.78%) | -11.92K Decreased by -1.11% | Mar 31, 25 |
| 18 | Fidelity Advisor Biotechnology I | 975.64K (0.71%) | -964.71K Decreased by -98.88% | Jan 31, 25 |
| 19 | BNY Mellon Sm/Md Cp Gr I | 918.09K (0.66%) | -62.15K Decreased by -6.77% | Feb 28, 25 |
| 20 | Fidelity Series Small Cap Core | 890.84K (0.65%) | 36.70K Increased by +4.12% | Jan 31, 25 |