| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | HHG PLC | 4.77M (12.05%) | 184.47K Increased by +3.87% | Mar 31, 25 |
| 2 | BlackRock Inc | 3.34M (8.44%) | -95.07K Decreased by -2.85% | Mar 31, 25 |
| 3 | State Street Corporation | 2.82M (7.14%) | 1.09M Increased by +38.54% | Mar 31, 24 |
| 4 | Bvf Inc | 2.80M (7.07%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 5 | Vanguard Group Inc | 2.54M (6.42%) | 115.33K Increased by +4.54% | Mar 31, 25 |
| 6 | Eventide Asset Management, LLC | 2.53M (6.39%) | -79.94K Decreased by -3.16% | Mar 31, 25 |
| 7 | NEA Management Company, LLC | 2.19M (5.53%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 8 | Novo A/S | 1.50M (3.79%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 9 | State Street Corp | 1.49M (3.78%) | 112.94K Increased by +7.56% | Mar 31, 25 |
| 10 | Citadel Advisors Llc | 1.45M (3.66%) | -65.19K Decreased by -4.51% | Mar 31, 25 |
| 11 | T. Rowe Price Associates, Inc. | 1.42M (3.58%) | -7.59K Decreased by -0.54% | Mar 31, 25 |
| 12 | TANG CAPITAL MANAGEMENT LLC | 1.24M (3.13%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 13 | Cadian Capital Management LP | 1.24M (3.12%) | -1.06M Decreased by -85.61% | Jun 30, 24 |
| 14 | Wagonhound Investments, LP | 1.20M (3.03%) | 284.25K Increased by +23.70% | Sep 30, 23 |
| 15 | Polar Capital Holdings PLC | 1.18M (2.97%) | 500.00K Increased by +42.55% | Mar 31, 25 |
| 16 | ClearBridge Advisors, LLC | 978.07K (2.47%) | 70.75K Increased by +7.23% | Mar 31, 25 |
| 17 | Geode Capital Management, LLC | 963.66K (2.44%) | 20.32K Increased by +2.11% | Mar 31, 25 |
| 18 | Rock Springs Capital Management LP | 951.76K (2.41%) | -519.80K Decreased by -54.61% | Mar 31, 25 |
| 19 | Lord, Abbett & Co LLC | 813.40K (2.06%) | 31.04K Increased by +3.82% | Mar 31, 25 |
| 20 | Pictet Asset Manangement SA | 778.24K (1.97%) | -81.85K Decreased by -10.52% | Mar 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Eventide Gilead N | 1.43M (3.62%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 2 | Vanguard Total Stock Mkt Idx Inv | 1.43M (3.62%) | 5.65K Increased by +0.39% | Apr 30, 25 |
| 3 | Vanguard US Total Market Shares ETF | 1.41M (3.56%) | 1.77K Increased by +0.13% | Sep 30, 24 |
| 4 | Eventide Healthcare & Life Sciences I | 1.09M (2.75%) | -80.92K Decreased by -7.45% | Mar 31, 25 |
| 5 | Polar Capital Biotech S Inc | 1.00M (2.53%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 6 | iShares Russell 2000 ETF | 998.69K (2.53%) | 0.00 Increased by 0.00% | May 31, 25 |
| 7 | T. Rowe Price New Horizons | 757.24K (1.91%) | -10.24K Decreased by -1.35% | Mar 31, 25 |
| 8 | US Small-Cap Growth II Equity Comp | 757.24K (1.91%) | -10.46K Decreased by -1.38% | Mar 31, 25 |
| 9 | MEDICAL BioHealth EUR Acc | 756.50K (1.91%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 10 | Janus Henderson Global Life Sciences | 712.40K (1.80%) | -50.02K Decreased by -7.02% | Mar 31, 25 |
| 11 | Janus Henderson Global Life Sciences D | 712.40K (1.80%) | -2.63K Decreased by -0.37% | Mar 31, 25 |
| 12 | Janus Selection Global Life Science AUSD | 700.63K (1.77%) | 265.57K Increased by +37.90% | Jun 30, 24 |
| 13 | Janus Henderson US SMID Cap Growth MA | 698.05K (1.77%) | 698.05K Increased by +100.00% | Dec 31, 24 |
| 14 | Janus Henderson Triton D | 687.11K (1.74%) | -7.15K Decreased by -1.04% | Mar 31, 25 |
| 15 | Janus Henderson US SMID Cap Growth | 687.11K (1.74%) | -10.94K Decreased by -1.59% | Mar 31, 25 |
| 16 | ClearBridge Small Cap Growth | 682.39K (1.73%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 17 | ClearBridge Small Cap Growth A | 682.39K (1.73%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 18 | Janus Henderson Glb Life Scn I2 USD | 629.14K (1.59%) | 52.13K Increased by +8.29% | Apr 30, 25 |
| 19 | Vanguard Institutional Extnd Mkt Idx Tr | 627.64K (1.59%) | 818.00 Increased by +0.13% | Apr 30, 25 |
| 20 | SPDR® S&P Biotech ETF | 596.74K (1.51%) | 3.53K Increased by +0.59% | May 31, 25 |