| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | HHG PLC | 4.58M (11.79%) | 101.36K Increased by +2.21% | Dec 31, 24 |
| 2 | BlackRock Inc | 3.43M (8.84%) | 66.47K Increased by +1.94% | Dec 31, 24 |
| 3 | State Street Corporation | 2.82M (7.26%) | 1.09M Increased by +38.54% | Mar 31, 24 |
| 4 | Bvf Inc | 2.80M (7.20%) | -279.39K Decreased by -9.99% | Dec 31, 24 |
| 5 | Eventide Asset Management, LLC | 2.61M (6.71%) | -838.42K Decreased by -32.16% | Dec 31, 24 |
| 6 | Vanguard Group Inc | 2.42M (6.24%) | -71.38K Decreased by -2.94% | Dec 31, 24 |
| 7 | NEA Management Company, LLC | 2.19M (5.63%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 8 | Citadel Advisors Llc | 1.51M (3.89%) | 119.77K Increased by +7.93% | Dec 31, 24 |
| 9 | Novo A/S | 1.50M (3.86%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 10 | Rock Springs Capital Management LP | 1.47M (3.79%) | -108.92K Decreased by -7.40% | Dec 31, 24 |
| 11 | T. Rowe Price Associates, Inc. | 1.42M (3.66%) | 138.62K Increased by +9.74% | Dec 31, 24 |
| 12 | State Street Corp | 1.38M (3.56%) | -412.10K Decreased by -29.83% | Dec 31, 24 |
| 13 | TANG CAPITAL MANAGEMENT LLC | 1.24M (3.18%) | -50.00K Decreased by -4.04% | Dec 31, 24 |
| 14 | Cadian Capital Management LP | 1.24M (3.18%) | -1.06M Decreased by -85.61% | Jun 30, 24 |
| 15 | Wagonhound Investments, LP | 1.20M (3.09%) | 284.25K Increased by +23.70% | Sep 30, 23 |
| 16 | Geode Capital Management, LLC | 943.34K (2.43%) | 7.15K Increased by +0.76% | Dec 31, 24 |
| 17 | ClearBridge Advisors, LLC | 907.32K (2.33%) | 18.22K Increased by +2.01% | Dec 31, 24 |
| 18 | Pictet Asset Manangement SA | 860.10K (2.21%) | -35.59K Decreased by -4.14% | Dec 31, 24 |
| 19 | Lord, Abbett & Co LLC | 782.35K (2.01%) | 40.99K Increased by +5.24% | Dec 31, 24 |
| 20 | Morgan Stanley - Brokerage Accounts | 758.38K (1.95%) | 132.46K Increased by +17.47% | Dec 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Eventide Gilead N | 1.43M (3.68%) | -341.18K Decreased by -23.85% | Dec 31, 24 |
| 2 | Vanguard Total Stock Mkt Idx Inv | 1.31M (3.36%) | 1.21K Increased by +0.09% | Feb 28, 25 |
| 3 | Eventide Healthcare & Life Sciences I | 1.17M (3.00%) | -498.97K Decreased by -42.76% | Dec 31, 24 |
| 4 | iShares Russell 2000 ETF | 1.04M (2.69%) | -9.02K Decreased by -0.86% | Mar 31, 25 |
| 5 | Polar Capital Biotech S Inc | 1.00M (2.57%) | 0.00 Increased by 0.00% | Feb 28, 25 |
| 6 | US Small-Cap Growth II Equity Comp | 767.71K (1.98%) | -660.00 Decreased by -0.09% | Dec 31, 24 |
| 7 | T. Rowe Price New Horizons | 767.49K (1.97%) | 0.00 Increased by 0.00% | Feb 28, 25 |
| 8 | Janus Henderson Global Life Sciences | 762.42K (1.96%) | -63.30K Decreased by -8.30% | Dec 31, 24 |
| 9 | MEDICAL BioHealth EUR Acc | 756.50K (1.95%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 10 | Janus Henderson Global Life Sciences D | 719.82K (1.85%) | -42.60K Decreased by -5.92% | Jan 31, 25 |
| 11 | Janus Selection Global Life Science AUSD | 700.63K (1.80%) | 265.57K Increased by +37.90% | Jun 30, 24 |
| 12 | Janus Henderson US SMID Cap Growth | 698.05K (1.80%) | -14.34K Decreased by -2.05% | Dec 31, 24 |
| 13 | Janus Henderson US SMID Cap Growth MA | 698.05K (1.80%) | 698.05K Increased by +100.00% | Dec 31, 24 |
| 14 | Janus Henderson Triton D | 694.26K (1.79%) | -3.78K Decreased by -0.55% | Jan 31, 25 |
| 15 | ClearBridge Small Cap Growth | 691.79K (1.78%) | 0.00 Increased by 0.00% | Feb 28, 25 |
| 16 | ClearBridge Small Cap Growth A | 691.79K (1.78%) | 0.00 Increased by 0.00% | Feb 28, 25 |
| 17 | SPDR® S&P Biotech ETF | 635.29K (1.63%) | -6.80K Decreased by -1.07% | Mar 31, 25 |
| 18 | Vanguard Institutional Extnd Mkt Idx Tr | 609.61K (1.57%) | 2.96K Increased by +0.49% | Feb 28, 25 |
| 19 | Janus Global Life Science AUSD | 607.26K (1.56%) | -425.00 Decreased by -0.07% | Dec 31, 24 |
| 20 | Janus Henderson Glb Life Scn I2 USD | 578.39K (1.49%) | -711.00 Decreased by -0.12% | Feb 28, 25 |