| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Suvretta Capital Management, LLC | 7.46M (11.34%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 2 | BlackRock Inc | 6.20M (9.43%) | -1.39M Decreased by -22.38% | Mar 31, 25 |
| 3 | Kynam Capital Management, LP | 5.44M (8.27%) | 1.80M Increased by +33.08% | Mar 31, 25 |
| 4 | Vanguard Group Inc | 4.40M (6.68%) | 186.74K Increased by +4.25% | Mar 31, 25 |
| 5 | Bvf Inc | 3.35M (5.09%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 6 | Rubric Capital Management LP | 3.34M (5.08%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 7 | Franklin Resources Inc | 2.76M (4.20%) | -71.72K Decreased by -2.60% | Dec 31, 23 |
| 8 | Merck & Co Inc | 2.72M (4.14%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 9 | Vestal Point Capital LP | 2.57M (3.91%) | 2.57M Increased by +100.00% | Dec 31, 24 |
| 10 | Verition Fund Managegment, LLC | 2.50M (3.80%) | 555.02K Increased by +22.19% | Sep 30, 23 |
| 11 | Citadel Advisors Llc | 2.46M (3.74%) | 332.00K Increased by +13.50% | Dec 31, 24 |
| 12 | Eversept Partners, LLC | 2.29M (3.48%) | 1.60M Increased by +69.71% | Mar 31, 25 |
| 13 | Point72 Asset Management, L.P. | 2.20M (3.34%) | -799.91K Decreased by -36.40% | Dec 31, 24 |
| 14 | Samsara BioCapital, LLC | 2.20M (3.34%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 15 | MPM Oncology Impact Management LP | 2.16M (3.28%) | -672.00K Decreased by -31.11% | Dec 31, 24 |
| 16 | Holocene Advisors, LP | 2.13M (3.24%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 17 | Millennium Management LLC | 2.03M (3.09%) | -2.33M Decreased by -114.69% | Sep 30, 24 |
| 18 | Adage Capital Partners Gp LLC | 2.00M (3.04%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 19 | Geode Capital Management, LLC | 1.89M (2.87%) | 35.26K Increased by +1.87% | Mar 31, 25 |
| 20 | Parkman Healthcare Partners LLC | 1.73M (2.63%) | 11.79K Increased by +0.68% | Dec 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 2.42M (3.67%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 2 | Vanguard US Total Market Shares ETF | 2.42M (3.67%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 3 | iShares Russell 2000 ETF | 1.99M (3.03%) | 336.00 Increased by +0.02% | Apr 30, 25 |
| 4 | Vanguard Institutional Extnd Mkt Idx Tr | 1.19M (1.80%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 5 | Franklin Biotechnology Discv A(acc)USD | 1.12M (1.71%) | -56.48K Decreased by -5.02% | Dec 31, 23 |
| 6 | Franklin Small Cap Growth Adv | 963.45K (1.46%) | -5.00K Decreased by -0.52% | Dec 31, 23 |
| 7 | Franklin US Small Cap Growth Equity | 963.45K (1.46%) | -5.00K Decreased by -0.52% | Dec 31, 23 |
| 8 | Baillie Gifford Global Discovery A Acc | 917.84K (1.39%) | 7.41K Increased by +0.81% | Oct 31, 24 |
| 9 | Fidelity Small Cap Index | 824.16K (1.25%) | 0.00 Increased by 0.00% | Feb 28, 25 |
| 10 | iShares Russell 2000 Value ETF | 754.70K (1.15%) | -2.56K Decreased by -0.34% | Apr 30, 25 |
| 11 | Edinburgh Worldwide Ord | 750.73K (1.14%) | 0.00 Increased by 0.00% | Aug 31, 24 |
| 12 | Fidelity® Small Cap Index | 562.81K (0.86%) | 14.30K Increased by +2.54% | Sep 30, 23 |
| 13 | Belfius Equities Cure C Cap | 550.37K (0.84%) | 0.00 Increased by 0.00% | Feb 29, 24 |
| 14 | Franklin Biotechnology Discovery A | 543.39K (0.83%) | -20.80K Decreased by -3.83% | Dec 31, 23 |
| 15 | State St Russell Sm/Mid Cp® Indx NL Cl C | 502.75K (0.76%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 16 | State St Russell Sm/Mid Cp® Indx SL Cl I | 502.75K (0.76%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 17 | Goldman Sachs Small Cp Val Insghts Instl | 467.61K (0.71%) | 0.00 Increased by 0.00% | Jan 31, 25 |
| 18 | iShares Biotechnology ETF | 444.15K (0.67%) | 1.02K Increased by +0.23% | Apr 30, 25 |
| 19 | Candriam Global Equities Oncology | 440.37K (0.67%) | -110.00K Decreased by -24.98% | Mar 31, 24 |
| 20 | Fidelity Extended Market Index | 416.58K (0.63%) | 10.76K Increased by +2.58% | Mar 31, 25 |