| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Samsara BioCapital, LLC | 1.72M (28.58%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 2 | Redmile Group, LLC | 1.46M (24.29%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 3 | Casdin Capital, LLC | 1.42M (23.64%) | 125.00K Increased by +8.80% | Mar 31, 26 |
| 4 | RTW INVESTMENTS, LLC | 1.36M (22.68%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 5 | EcoR1 Capital, LLC | 1.27M (21.16%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 6 | Baker Bros Advisors LP | 991.69K (16.51%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 7 | BlackRock Inc | 945.58K (15.74%) | -5.52K Decreased by -0.58% | Dec 31, 25 |
| 8 | Trails Edge Capital Partners, LP | 782.79K (13.03%) | -2.21K Decreased by -0.28% | Mar 31, 26 |
| 9 | Balyasny Asset Management LLC | 718.39K (11.96%) | 109.81K Increased by +15.29% | Mar 31, 26 |
| 10 | The Toronto-Dominion Bank | 681.34K (11.34%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 11 | Vanguard Group Inc | 656.57K (10.93%) | 51.96K Increased by +7.91% | Dec 31, 25 |
| 12 | Jennison Associates LLC | 527.68K (8.78%) | -5.40K Decreased by -1.02% | Mar 31, 26 |
| 13 | ArrowMark Colorado Holdings, LLC (ArrowMark Partners) | 524.80K (8.73%) | -52.69K Decreased by -10.04% | Mar 31, 26 |
| 14 | Great Point Partners LLC | 500.00K (8.32%) | 150.00K Increased by +30.00% | Mar 31, 26 |
| 15 | FMR Inc | 382.65K (6.37%) | 252.32K Increased by +65.94% | Mar 31, 26 |
| 16 | Citadel Advisors Llc | 364.23K (6.06%) | 364.23K Increased by +100.00% | Dec 31, 25 |
| 17 | State Street Corp | 313.00K (5.21%) | 5.21K Increased by +1.66% | Mar 31, 26 |
| 18 | Morgan Stanley - Brokerage Accounts | 285.24K (4.75%) | -85.94K Decreased by -30.13% | Mar 31, 26 |
| 19 | Geode Capital Management, LLC | 279.00K (4.64%) | 29.31K Increased by +10.50% | Mar 31, 26 |
| 20 | Millennium Management LLC | 204.81K (3.41%) | 133.49K Increased by +65.18% | Mar 31, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 382.19K (6.36%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 2 | iShares Russell 2000 ETF | 268.96K (4.48%) | 2.26K Increased by +0.84% | Apr 30, 26 |
| 3 | Fidelity Advisor Biotechnology I | 243.70K (4.06%) | 82.84K Increased by +33.99% | Mar 31, 26 |
| 4 | Vanguard Institutional Extnd Mkt Idx Tr | 120.53K (2.01%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 5 | Stt Strt®SPDR®S&PKenshoNwEcosComposETF | 101.40K (1.69%) | 50.00 Increased by +0.05% | Apr 30, 26 |
| 6 | Fidelity Small Cap Index | 96.28K (1.60%) | 1.02K Increased by +1.06% | Feb 28, 26 |
| 7 | iShares Russell 2000 Value ETF | 95.34K (1.59%) | 511.00 Increased by +0.54% | Apr 30, 26 |
| 8 | iShares Biotechnology ETF | 92.48K (1.54%) | 3.50K Increased by +3.79% | Apr 30, 26 |
| 9 | Fidelity Enhanced Small Cap Core ETF | 80.80K (1.34%) | -936.00 Decreased by -1.16% | Apr 30, 26 |
| 10 | ArrowMark Small Cap Gro | 75.86K (1.26%) | -37.54K Decreased by -49.49% | Mar 31, 26 |
| 11 | Meridian Small Cap Growth Legacy | 75.86K (1.26%) | -37.54K Decreased by -49.49% | Mar 31, 26 |
| 12 | Russell 2000 Equity Index Fund B | 65.29K (1.09%) | -31.00 Decreased by -0.05% | Dec 31, 25 |
| 13 | State St Russell Sm/Mid Cp® Indx SL Cl I | 61.48K (1.02%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 14 | Fidelity Extended Market Index | 58.28K (0.97%) | 1.42K Increased by +2.44% | Mar 31, 26 |
| 15 | Vanguard Russell 2000 ETF | 57.00K (0.95%) | 1.23K Increased by +2.16% | Apr 30, 26 |
| 16 | Xtrackers MSCI World Swap ETF 1C | 55.73K (0.93%) | -351.00 Decreased by -0.63% | Dec 31, 25 |
| 17 | International Biotechnology Ord | 52.30K (0.87%) | 0.00 Increased by 0.00% | Jan 31, 26 |
| 18 | Fidelity Select Biotechnology | 51.10K (0.85%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 19 | Raiffeisen-Health&Wellbeing-ESG Akt A | 43.00K (0.72%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 20 | State St Russell Sm Cap® Idx SL Cl I | 37.00K (0.62%) | 0.00 Increased by 0.00% | Apr 30, 26 |