| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | RA Capital Management, LLC | 7.00M (29.23%) | 0.00 Increased by 0.00% | Mar 30, 26 |
| 2 | TRV GP V, LLC | 6.22M (25.97%) | 0.00 Increased by 0.00% | Mar 30, 26 |
| 3 | Driehaus Capital Management LLC | 4.40M (18.37%) | -413.90K Decreased by -9.42% | Mar 30, 26 |
| 4 | TRV GP VI, LLC | 4.21M (17.60%) | 0.00 Increased by 0.00% | Mar 30, 26 |
| 5 | Samsara BioCapital, LLC | 3.15M (13.16%) | 0.00 Increased by 0.00% | Mar 30, 26 |
| 6 | The Goldman Sachs Group Inc | 2.91M (12.14%) | 191.30K Increased by +6.58% | Mar 30, 26 |
| 7 | Siren, L.L.C. | 2.00M (8.36%) | 0.00 Increased by 0.00% | Mar 30, 26 |
| 8 | BlackRock Inc | 1.82M (7.61%) | 20.85K Increased by +1.14% | Mar 30, 26 |
| 9 | Vanguard Group Inc | 1.51M (6.30%) | -10.56K Decreased by -0.70% | Dec 30, 25 |
| 10 | Bvf Inc | 1.35M (5.65%) | -367.53K Decreased by -27.16% | Mar 30, 26 |
| 11 | venBio Select Advisor LLC | 1.34M (5.59%) | 0.00 Increased by 0.00% | Mar 30, 26 |
| 12 | Vanguard Capital Management, LLC | 1.20M (5.00%) | 1.20M Increased by +100.00% | Mar 30, 26 |
| 13 | ADAR1 Capital Management LLC | 1.09M (4.55%) | -67.79K Decreased by -6.22% | Mar 30, 26 |
| 14 | PRIMECAP Management Company | 1.05M (4.38%) | 502.73K Increased by +47.93% | Mar 30, 26 |
| 15 | HHG PLC | 890.75K (3.72%) | 890.75K Increased by +100.00% | Mar 30, 26 |
| 16 | First Light Asset Management, LLC | 732.86K (3.06%) | 112.05K Increased by +15.29% | Mar 30, 26 |
| 17 | Geode Capital Management, LLC | 645.15K (2.70%) | 72.41K Increased by +11.22% | Mar 30, 26 |
| 18 | State Street Corp | 631.45K (2.64%) | 91.42K Increased by +14.48% | Mar 30, 26 |
| 19 | Casdin Capital, LLC | 553.27K (2.31%) | 0.00 Increased by 0.00% | Mar 30, 26 |
| 20 | VR Adviser, LLC | 506.06K (2.11%) | -104.75K Decreased by -20.70% | Mar 30, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Morn Total Stk Mkt Idx Investor | 927.66K (3.88%) | 21.00K Increased by +2.26% | Jun 29, 26 |
| 2 | Vanguard Total Stock Mkt Idx Inv | 927.66K (3.88%) | 21.00K Increased by +2.26% | Jun 29, 26 |
| 3 | PRIMECAP Odyssey Aggressive Growth | 835.28K (3.49%) | 85.60K Increased by +10.25% | Jun 29, 26 |
| 4 | iShares Russell 2000 ETF | 565.92K (2.36%) | -10.08K Decreased by -1.78% | Jul 30, 26 |
| 5 | Driehaus Small Cap Growth Institutional | 417.86K (1.75%) | 9.12K Increased by +2.18% | Jun 29, 26 |
| 6 | Heptagon Driehaus US Micro Cap Eq C$ Acc | 407.93K (1.70%) | 0.00 Increased by 0.00% | Jun 29, 26 |
| 7 | Heptagon Driehaus US Sm Cp Eq C USD Acc | 364.06K (1.52%) | 2.58K Increased by +0.71% | Jun 29, 26 |
| 8 | Vanguard Institutional Extnd Mkt Idx Tr | 263.63K (1.10%) | 2.74K Increased by +1.04% | Jun 29, 26 |
| 9 | Fidelity Small Cap Index | 212.63K (0.89%) | 877.00 Increased by +0.41% | May 30, 26 |
| 10 | iShares Biotechnology ETF | 201.43K (0.84%) | -612.00 Decreased by -0.30% | Jul 30, 26 |
| 11 | iShares Russell 2000 Value ETF | 184.43K (0.77%) | 0.00 Increased by 0.00% | May 28, 26 |
| 12 | Driehaus Micro Cap Growth USD | 158.27K (0.66%) | -960.00 Decreased by -0.61% | Jun 29, 26 |
| 13 | Russell 2000 Equity Index Fund B | 147.87K (0.62%) | 9.01K Increased by +6.09% | Jun 29, 26 |
| 14 | Russell 2000 Index Non-Lendable Fund | 147.87K (0.62%) | 9.01K Increased by +6.09% | Jun 29, 26 |
| 15 | State Street® SPDR® S&P® PhrmctlsETF | 143.63K (0.60%) | 0.00 Increased by 0.00% | Jul 30, 26 |
| 16 | Vanguard US Opportunities Ins USD Acc | 139.71K (0.58%) | -1.10K Decreased by -0.79% | Jun 29, 26 |
| 17 | State St Russell Sm/Mid Cp® Indx SL Cl I | 135.71K (0.57%) | 0.00 Increased by 0.00% | Jun 29, 26 |
| 18 | iShares Russell 2000 Growth ETF | 135.47K (0.57%) | -1.24K Decreased by -0.91% | Jul 30, 26 |
| 19 | Vanguard Russell 2000 ETF | 127.49K (0.53%) | 17.72K Increased by +13.90% | Jun 29, 26 |
| 20 | Fidelity Extended Market Index | 118.23K (0.49%) | 1.33K Increased by +1.12% | Jun 29, 26 |