| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Frazier Life Sciences Management, L.P. | 16.94M (21.00%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 2 | Capital World Investors | 11.11M (13.77%) | 1.13M Increased by +10.13% | Mar 31, 26 |
| 3 | RA Capital Management, LLC | 9.55M (11.83%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 4 | FCPM III SERVICES BV | 9.20M (11.40%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 5 | FMR Inc | 8.77M (10.86%) | 2.35M Increased by +26.84% | Mar 31, 26 |
| 6 | Bain Capital Life Sciences Investors, LLC | 7.31M (9.05%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 7 | Wellington Management Company LLP | 5.12M (6.34%) | 82.64K Increased by +1.62% | Mar 31, 26 |
| 8 | Deerfield Management Co | 4.26M (5.28%) | 100.00K Increased by +2.34% | Mar 31, 26 |
| 9 | Viking Global Investors LP | 4.20M (5.21%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 10 | Duquesne Family Office LLC | 3.07M (3.80%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 11 | Polar Capital Holdings PLC | 2.83M (3.51%) | 55.38K Increased by +1.96% | Mar 31, 26 |
| 12 | Goldman Sachs Group Inc | 2.77M (3.43%) | 2.77M Increased by +100.00% | Dec 31, 23 |
| 13 | Jennison Associates LLC | 2.75M (3.41%) | -738.82K Decreased by -26.86% | Mar 31, 26 |
| 14 | Medicxi Ventures Management (Jersey) Ltd | 2.67M (3.31%) | -195.38K Decreased by -7.31% | Mar 31, 26 |
| 15 | JPMorgan Chase & Co | 2.60M (3.23%) | 1.15M Increased by +44.00% | Sep 30, 25 |
| 16 | HHG PLC | 2.26M (2.80%) | -82.74K Decreased by -3.66% | Mar 31, 26 |
| 17 | Westfield Capital Management Company, L.P. | 2.20M (2.73%) | 2.20M Increased by +100.00% | Mar 31, 26 |
| 18 | Maverick Capital Ltd | 2.19M (2.71%) | 292.18K Increased by +13.36% | Mar 31, 26 |
| 19 | Cormorant Asset Management, LLC | 2.17M (2.70%) | 0.00 Increased by 0.00% | Sep 30, 25 |
| 20 | The Goldman Sachs Group Inc | 1.95M (2.41%) | 220.71K Increased by +11.34% | Mar 31, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | American Funds SMALLCAP World A | 8.40M (10.40%) | -200.00K Decreased by -2.38% | Mar 31, 26 |
| 2 | Vanguard Health Care Inv | 3.95M (4.90%) | 280.70K Increased by +7.10% | Mar 31, 26 |
| 3 | Capital Group Global Equity Canada F | 2.52M (3.12%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 4 | Strategic Advisers Fidelity US TtlStk | 2.00M (2.48%) | 221.20K Increased by +11.06% | Apr 30, 26 |
| 5 | Polar Capital Biotech S Inc | 1.72M (2.13%) | -955.31K Decreased by -55.46% | Apr 30, 26 |
| 6 | Fidelity Contrafund | 1.58M (1.96%) | 315.13K Increased by +19.89% | Apr 30, 26 |
| 7 | Jennison SMid Cap Core Equity | 966.54K (1.20%) | -119.37K Decreased by -12.35% | Dec 31, 25 |
| 8 | American Funds New Economy A | 957.48K (1.19%) | 286.38K Increased by +29.91% | Mar 31, 26 |
| 9 | Capital Group New Economy Comp | 957.48K (1.19%) | 286.38K Increased by +29.91% | Mar 31, 26 |
| 10 | AB Small Cap Growth A | 686.06K (0.85%) | 32.56K Increased by +4.75% | Jul 31, 25 |
| 11 | Pictet-Global Megatrend Sel I USD | 682.29K (0.85%) | 10.43K Increased by +1.53% | May 31, 25 |
| 12 | Fidelity Select Health Care | 670.00K (0.83%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 13 | Candriam Eqs L Biotech C USD Cap | 634.10K (0.79%) | -50.20K Decreased by -7.92% | Nov 30, 25 |
| 14 | Fidelity Contrafund Commingled Pl Cl S | 614.78K (0.76%) | 110.33K Increased by +17.95% | Apr 30, 26 |
| 15 | Capital Group U.S. Small and Mid Cap ETF | 610.76K (0.76%) | 69.07K Increased by +11.31% | May 31, 26 |
| 16 | Fidelity Advisor Biotechnology I | 586.40K (0.73%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 17 | AB Discovery Growth A | 535.54K (0.66%) | 41.26K Increased by +7.70% | Jul 31, 25 |
| 18 | Jennison Health Sciences Equity | 534.10K (0.66%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 19 | PGIM Jennison Health Sciences Z | 534.10K (0.66%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 20 | iShares Biotechnology ETF | 532.24K (0.66%) | 7.67K Increased by +1.44% | May 29, 26 |