| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Perceptive Advisors LLC | 7.87M (15.45%) | 1.10M Increased by +13.97% | Mar 31, 25 |
| 2 | TCG Crossover Management, LLC | 5.94M (11.66%) | 1.30M Increased by +21.87% | Mar 31, 25 |
| 3 | Adage Capital Partners Gp LLC | 5.70M (11.18%) | 5.70M Increased by +100.00% | Mar 31, 25 |
| 4 | Vanguard Group Inc | 4.12M (8.08%) | 1.42M Increased by +34.59% | Mar 31, 25 |
| 5 | Millennium Management LLC | 3.08M (6.05%) | 2.49M Increased by +80.72% | Mar 31, 25 |
| 6 | Viking Global Investors LP | 2.96M (5.81%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 7 | Nantahala Capital Management, LLC | 2.93M (5.76%) | 1.48M Increased by +50.51% | Mar 31, 25 |
| 8 | Citadel Advisors Llc | 2.76M (5.41%) | 787.07K Increased by +28.54% | Mar 31, 25 |
| 9 | Stonepine Capital Management Llc | 2.50M (4.90%) | -15.87K Decreased by -0.63% | Dec 31, 23 |
| 10 | Aberdeen Group PLC | 2.43M (4.77%) | 707.55K Increased by +29.11% | Mar 31, 25 |
| 11 | Saturn V Capital Management LLC | 2.43M (4.76%) | 1.54M Increased by +63.36% | Mar 31, 25 |
| 12 | Bank of America Corp | 2.43M (4.76%) | 1.51M Increased by +62.39% | Dec 31, 24 |
| 13 | 683 Capital Management LLC | 2.41M (4.73%) | 481.40K Increased by +19.96% | Mar 31, 25 |
| 14 | BlackRock Inc | 2.39M (4.68%) | 108.47K Increased by +4.54% | Mar 31, 25 |
| 15 | Almitas Capital LLC | 2.12M (4.16%) | 90.23K Increased by +4.25% | Mar 31, 25 |
| 16 | State Street Corporation | 2.06M (4.04%) | 618.64K Increased by +30.03% | Mar 31, 24 |
| 17 | Goldman Sachs Group Inc | 2.00M (3.93%) | 143.06K Increased by +7.14% | Mar 31, 25 |
| 18 | abrdn PLC | 1.97M (3.87%) | 1.85M Increased by +94.00% | Sep 30, 24 |
| 19 | Franklin Resources Inc | 1.86M (3.64%) | 530.88K Increased by +28.61% | Mar 31, 24 |
| 20 | Morgan Stanley - Brokerage Accounts | 1.85M (3.63%) | -2.29M Decreased by -123.99% | Jun 30, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 2.30M (4.51%) | 0.00 Increased by 0.00% | May 31, 25 |
| 2 | Franklin Biotechnology Discv A(acc)USD | 1.22M (2.40%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 3 | iShares Russell 2000 ETF | 1.16M (2.27%) | -12.93K Decreased by -1.12% | May 29, 24 |
| 4 | Vanguard Institutional Extnd Mkt Idx Tr | 1.15M (2.25%) | 10.69K Increased by +0.93% | May 31, 25 |
| 5 | Fidelity Select Biotechnology | 1.15M (2.25%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 6 | Eventide Healthcare & Life Sciences I | 1.12M (2.19%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 7 | SPDR® S&P Pharmaceuticals ETF | 981.23K (1.92%) | 0.00 Increased by 0.00% | May 30, 24 |
| 8 | abrdn Healthcare Investors | 650.95K (1.28%) | -1.08M Decreased by -166.05% | May 31, 25 |
| 9 | Vanguard Small Cap Index | 646.02K (1.27%) | 1.52K Increased by +0.24% | Aug 31, 24 |
| 10 | Franklin Biotechnology Discovery A | 633.59K (1.24%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 11 | Fidelity® Select Biotechnology | 529.80K (1.04%) | 326.70K Increased by +61.66% | Nov 30, 23 |
| 12 | CREF Stock R1 | 515.29K (1.01%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 13 | Fidelity Small Cap Index | 508.11K (1.00%) | 0.00 Increased by 0.00% | Jun 30, 24 |
| 14 | Fidelity® Small Cap Index | 495.04K (0.97%) | 14.60K Increased by +2.95% | Oct 31, 23 |
| 15 | Jupiter Merian Glb Eq AbsRet I USD Acc | 480.21K (0.94%) | 185.87K Increased by +38.70% | Dec 31, 23 |
| 16 | iShares Russell 2000 Growth ETF | 431.45K (0.85%) | 0.00 Increased by 0.00% | May 29, 24 |
| 17 | Fidelity Extended Market Index | 381.81K (0.75%) | -3.65K Decreased by -0.96% | Apr 30, 25 |
| 18 | Fidelity Series Small Cap Opps | 380.40K (0.75%) | 14.00K Increased by +3.68% | Nov 30, 23 |
| 19 | Fidelity® Series Small Cap Opps | 366.40K (0.72%) | 366.40K Increased by +100.00% | Oct 31, 23 |
| 20 | iShares Biotechnology ETF | 363.09K (0.71%) | 0.00 Increased by 0.00% | May 31, 25 |