| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | FMR Inc | 22.55M (15.15%) | 169.00K Increased by +0.75% | Mar 31, 26 |
| 2 | ARK Investment Management LLC | 13.73M (9.22%) | 1.18M Increased by +8.56% | Mar 31, 26 |
| 3 | BlackRock Inc | 11.26M (7.56%) | -78.24K Decreased by -0.70% | Mar 31, 26 |
| 4 | Redmile Group, LLC | 8.25M (5.55%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 5 | Vanguard Group Inc | 7.91M (5.32%) | 628.29K Increased by +7.94% | Dec 31, 25 |
| 6 | State Street Corp | 7.32M (4.92%) | 1.33M Increased by +18.21% | Mar 31, 26 |
| 7 | Vanguard Capital Management, LLC | 5.89M (3.96%) | 5.89M Increased by +100.00% | Mar 31, 26 |
| 8 | Advanced Micro Devices Inc | 5.71M (3.84%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 9 | Geode Capital Management, LLC | 3.34M (2.25%) | 103.44K Increased by +3.09% | Mar 31, 26 |
| 10 | Woodline Partners LP | 3.30M (2.22%) | 1.02M Increased by +30.89% | Mar 31, 26 |
| 11 | Ameriprise Financial Inc | 3.18M (2.14%) | -16.44K Decreased by -0.52% | Mar 31, 26 |
| 12 | Two Sigma Investments LLC | 2.90M (1.95%) | 1.48M Increased by +51.07% | Mar 31, 26 |
| 13 | Schonfeld Strategic Advisors LLC | 2.35M (1.58%) | 2.35M Increased by +100.00% | Dec 31, 25 |
| 14 | Gem Investment Advisors, LLC | 2.17M (1.46%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 15 | T. Rowe Price Associates, Inc. | 2.16M (1.45%) | 2.09M Increased by +96.73% | Dec 31, 25 |
| 16 | Baker Bros Advisors LP | 2.13M (1.43%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 17 | Citadel Advisors Llc | 1.94M (1.31%) | 1.78M Increased by +91.51% | Dec 31, 25 |
| 18 | Bank of America Corp | 1.87M (1.26%) | 303.92K Increased by +16.27% | Jun 30, 25 |
| 19 | Parkman Healthcare Partners LLC | 1.86M (1.25%) | 406.15K Increased by +21.78% | Mar 31, 26 |
| 20 | Siren, L.L.C. | 1.80M (1.21%) | 1.80M Increased by +100.00% | Mar 31, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | ARK Genomic Revolution | 11.20M (7.53%) | -344.64K Decreased by -3.08% | Mar 31, 26 |
| 2 | ARK Genomic Revolution ETF | 10.87M (7.30%) | -28.79K Decreased by -0.26% | May 31, 26 |
| 3 | Fidelity Growth Compy Commingled Pl S | 10.32M (6.94%) | 380.35K Increased by +3.68% | Apr 30, 26 |
| 4 | Fidelity Growth Company Fund | 7.19M (4.83%) | 280.29K Increased by +3.90% | Apr 30, 26 |
| 5 | Fidelity Growth Compy Commingled Pl O | 5.75M (3.86%) | 0.00 Increased by 0.00% | Aug 31, 24 |
| 6 | State Street® SPDR® S&P® Biotech ETF | 5.02M (3.37%) | -30.84K Decreased by -0.61% | May 31, 26 |
| 7 | Vanguard Total Stock Mkt Idx Inv | 4.25M (2.86%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 8 | Fidelity® Growth Company | 3.95M (2.65%) | 0.00 Increased by 0.00% | Nov 30, 23 |
| 9 | iShares Russell 2000 ETF | 3.27M (2.20%) | 30.21K Increased by +0.92% | May 29, 26 |
| 10 | Columbia Acorn Inst | 2.89M (1.94%) | 322.22K Increased by +11.15% | Apr 30, 26 |
| 11 | Alger Small Cap Focus Composite | 2.47M (1.66%) | -290.00K Decreased by -11.75% | Jun 30, 25 |
| 12 | Alger Small Cap Focus I | 2.47M (1.66%) | -290.00K Decreased by -11.75% | Jun 30, 25 |
| 13 | Fidelity Growth Company K6 | 2.26M (1.52%) | 44.02K Increased by +1.95% | Apr 30, 26 |
| 14 | Fidelity Series Growth Company | 1.97M (1.32%) | 62.80K Increased by +3.19% | Apr 30, 26 |
| 15 | Columbia Small Cap Growth Inst | 1.63M (1.10%) | 1.63M Increased by +100.00% | Apr 30, 26 |
| 16 | Fidelity® Growth Company K6 | 1.57M (1.06%) | -29.92K Decreased by -1.90% | Nov 30, 23 |
| 17 | Fidelity Select Biotechnology | 1.54M (1.04%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 18 | Vanguard Institutional Extnd Mkt Idx Tr | 1.50M (1.01%) | 9.08K Increased by +0.61% | Apr 30, 26 |
| 19 | US Small-Cap Growth II Equity Comp | 1.35M (0.91%) | 1.35M Increased by +100.00% | Dec 31, 25 |
| 20 | Fidelity Small Cap Index | 1.34M (0.90%) | 2.11K Increased by +0.16% | Mar 31, 26 |