| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Suvretta Capital Management, LLC | 7.46M (12.22%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 2 | BlackRock Inc | 6.20M (10.16%) | -1.39M Decreased by -22.38% | Mar 31, 25 |
| 3 | Kynam Capital Management, LP | 5.44M (8.91%) | 1.80M Increased by +33.08% | Mar 31, 25 |
| 4 | RA Capital Management, LLC | 4.43M (7.26%) | 4.43M Increased by +100.00% | Mar 31, 25 |
| 5 | Vanguard Group Inc | 4.40M (7.19%) | 186.74K Increased by +4.25% | Mar 31, 25 |
| 6 | Bvf Inc | 3.35M (5.48%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 7 | Rubric Capital Management LP | 3.34M (5.48%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 8 | Acadian Asset Management LLC | 3.13M (5.13%) | 3.04M Increased by +96.83% | Mar 31, 25 |
| 9 | Franklin Resources Inc | 2.76M (4.52%) | -71.72K Decreased by -2.60% | Dec 31, 23 |
| 10 | Merck & Co Inc | 2.72M (4.46%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 11 | Vestal Point Capital LP | 2.60M (4.26%) | 30.00K Increased by +1.15% | Mar 31, 25 |
| 12 | Verition Fund Managegment, LLC | 2.50M (4.10%) | 555.02K Increased by +22.19% | Sep 30, 23 |
| 13 | Citadel Advisors Llc | 2.46M (4.02%) | 332.00K Increased by +13.50% | Dec 31, 24 |
| 14 | Eversept Partners, LLC | 2.29M (3.75%) | 1.60M Increased by +69.71% | Mar 31, 25 |
| 15 | Point72 Asset Management, L.P. | 2.20M (3.60%) | -799.91K Decreased by -36.40% | Dec 31, 24 |
| 16 | Samsara BioCapital, LLC | 2.20M (3.60%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 17 | MPM Oncology Impact Management LP | 2.16M (3.54%) | -672.00K Decreased by -31.11% | Dec 31, 24 |
| 18 | Holocene Advisors, LP | 2.13M (3.49%) | 0.00 Increased by 0.00% | Sep 30, 23 |
| 19 | Adage Capital Partners Gp LLC | 2.00M (3.27%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 20 | Geode Capital Management, LLC | 1.89M (3.09%) | 35.26K Increased by +1.87% | Mar 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 2.42M (3.95%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 2 | Vanguard US Total Market Shares ETF | 2.42M (3.95%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 3 | Vanguard Institutional Extnd Mkt Idx Tr | 1.19M (1.94%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 4 | Franklin Biotechnology Discv A(acc)USD | 1.12M (1.84%) | -56.48K Decreased by -5.02% | Dec 31, 23 |
| 5 | Franklin Small Cap Growth Adv | 963.45K (1.58%) | -5.00K Decreased by -0.52% | Dec 31, 23 |
| 6 | Franklin US Small Cap Growth Equity | 963.45K (1.58%) | -5.00K Decreased by -0.52% | Dec 31, 23 |
| 7 | Baillie Gifford Global Discovery A Acc | 917.84K (1.50%) | 7.41K Increased by +0.81% | Oct 31, 24 |
| 8 | Fidelity Small Cap Index | 835.21K (1.37%) | -23.86K Decreased by -2.86% | May 31, 25 |
| 9 | Edinburgh Worldwide Ord | 750.73K (1.23%) | 0.00 Increased by 0.00% | Aug 31, 24 |
| 10 | iShares Russell 2000 Value ETF | 728.08K (1.19%) | 0.00 Increased by 0.00% | May 31, 25 |
| 11 | Fidelity® Small Cap Index | 562.81K (0.92%) | 14.30K Increased by +2.54% | Sep 30, 23 |
| 12 | Belfius Equities Cure C Cap | 550.37K (0.90%) | 0.00 Increased by 0.00% | Feb 29, 24 |
| 13 | Franklin Biotechnology Discovery A | 543.39K (0.89%) | -20.80K Decreased by -3.83% | Dec 31, 23 |
| 14 | State St Russell Sm/Mid Cp® Indx NL Cl C | 502.75K (0.82%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 15 | State St Russell Sm/Mid Cp® Indx SL Cl I | 502.75K (0.82%) | 0.00 Increased by 0.00% | May 31, 25 |
| 16 | iShares Biotechnology ETF | 477.03K (0.78%) | -3.52K Decreased by -0.74% | Jul 30, 25 |
| 17 | Goldman Sachs Small Cp Val Insghts Instl | 467.61K (0.77%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 18 | Candriam Global Equities Oncology | 440.37K (0.72%) | -110.00K Decreased by -24.98% | Mar 31, 24 |
| 19 | Fidelity Extended Market Index | 409.73K (0.67%) | -1.07K Decreased by -0.26% | Jun 30, 25 |
| 20 | Vanguard Russell 2000 ETF | 409.49K (0.67%) | 3.66K Increased by +0.89% | May 31, 25 |