| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | FMR Inc | 10.33M (17.83%) | -302.02K Decreased by -2.92% | Mar 31, 25 |
| 2 | BlackRock Inc | 7.99M (13.78%) | 310.22K Increased by +3.88% | Mar 31, 25 |
| 3 | Deep Track Capital, LP | 5.50M (9.49%) | 2.50M Increased by +45.45% | Mar 31, 25 |
| 4 | Vanguard Group Inc | 4.42M (7.62%) | 69.86K Increased by +1.58% | Mar 31, 25 |
| 5 | Redmile Group, LLC | 4.05M (6.99%) | -140.70K Decreased by -3.47% | Mar 31, 25 |
| 6 | COMMODORE CAPITAL LP | 3.98M (6.87%) | 978.91K Increased by +24.60% | Mar 31, 25 |
| 7 | Baker Bros Advisors LP | 3.88M (6.70%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 8 | Wellington Management Company LLP | 3.19M (5.50%) | -397.86K Decreased by -12.48% | Mar 31, 25 |
| 9 | T. Rowe Price Associates, Inc. | 2.91M (5.03%) | -93.96K Decreased by -3.23% | Mar 31, 25 |
| 10 | State Street Corp | 2.86M (4.94%) | 57.96K Increased by +2.03% | Mar 31, 25 |
| 11 | Wasatch Advisors Inc. | 2.75M (4.75%) | -814.87K Decreased by -29.63% | Dec 31, 23 |
| 12 | State Street Corporation | 2.73M (4.71%) | 1.81M Increased by +66.24% | Mar 31, 24 |
| 13 | T. Rowe Price Investment Management,Inc. | 2.43M (4.19%) | 47.85K Increased by +1.97% | Mar 31, 25 |
| 14 | Soleus Capital Management, L.P. | 2.42M (4.18%) | 320.00K Increased by +13.21% | Mar 31, 25 |
| 15 | Pictet Asset Manangement SA | 1.75M (3.03%) | -14.64K Decreased by -0.83% | Mar 31, 25 |
| 16 | Geode Capital Management, LLC | 1.72M (2.98%) | 139.24K Increased by +8.07% | Mar 31, 25 |
| 17 | ARK Investment Management LLC | 1.59M (2.75%) | 60.62K Increased by +3.81% | Mar 31, 25 |
| 18 | Morgan Stanley - Brokerage Accounts | 1.47M (2.53%) | -98.11K Decreased by -6.69% | Mar 31, 25 |
| 19 | RA Capital Management, LLC | 1.33M (2.30%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 20 | Citadel Advisors Llc | 1.32M (2.27%) | 465.94K Increased by +35.37% | Mar 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 2.47M (4.26%) | 0.00 Increased by 0.00% | May 31, 25 |
| 2 | Vanguard US Total Market Shares ETF | 2.13M (3.67%) | 196.50K Increased by +9.23% | Sep 30, 24 |
| 3 | iShares Russell 2000 ETF | 1.88M (3.24%) | 13.04K Increased by +0.69% | Jun 30, 25 |
| 4 | Fidelity Select Health Care | 1.60M (2.76%) | 0.00 Increased by 0.00% | May 31, 25 |
| 5 | ARK Genomic Revolution | 1.56M (2.70%) | 53.95K Increased by +3.45% | Mar 31, 25 |
| 6 | ARK Genomic Revolution ETF | 1.54M (2.65%) | -18.24K Decreased by -1.19% | Jun 30, 25 |
| 7 | T. Rowe Price New Horizons | 1.35M (2.33%) | -6.71K Decreased by -0.50% | Jun 30, 25 |
| 8 | US Small-Cap Growth II Equity Comp | 1.35M (2.33%) | 14.21K Increased by +1.05% | Jun 30, 25 |
| 9 | Vanguard Institutional Extnd Mkt Idx Tr | 1.13M (1.95%) | 9.57K Increased by +0.85% | May 31, 25 |
| 10 | Strategic Advisers Fidelity US TtlStk | 1.01M (1.75%) | 0.00 Increased by 0.00% | May 31, 25 |
| 11 | Pictet-Biotech P USD | 986.34K (1.70%) | 10.20K Increased by +1.03% | Mar 31, 25 |
| 12 | T. Rowe Price Integrated US SmCapGrEq | 985.71K (1.70%) | 492.85K Increased by +50.00% | Dec 31, 24 |
| 13 | Fidelity Small Cap Growth | 951.10K (1.64%) | 0.00 Increased by 0.00% | Apr 30, 25 |
| 14 | Fidelity Advisor Health Care I | 950.00K (1.64%) | 0.00 Increased by 0.00% | May 31, 25 |
| 15 | SPDR® S&P Biotech ETF | 924.46K (1.60%) | -15.12K Decreased by -1.64% | Jun 30, 25 |
| 16 | Wasatch Small Cap Growth Investor | 898.10K (1.55%) | -23.16K Decreased by -2.58% | Sep 30, 23 |
| 17 | Nikko AM ARK Pstv Chg Innovt P JPY Acc | 825.80K (1.43%) | 180.11K Increased by +21.81% | May 31, 25 |
| 18 | Fidelity Growth Compy Commingled Pl S | 803.99K (1.39%) | 540.00 Increased by +0.07% | May 31, 25 |
| 19 | Fidelity Small Cap Index | 764.75K (1.32%) | 13.23K Increased by +1.73% | Apr 30, 25 |
| 20 | Wasatch Small Cap Value | 702.91K (1.21%) | 159.17K Increased by +22.64% | Dec 31, 23 |