| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | T. Rowe Price Investment Management,Inc. | 17.98M (13.62%) | 9.66M Increased by +53.75% | Dec 31, 25 |
| 2 | FMR Inc | 13.83M (10.48%) | 1.32M Increased by +9.57% | Dec 31, 25 |
| 3 | HHG PLC | 13.39M (10.14%) | 282.99K Increased by +2.11% | Dec 31, 25 |
| 4 | Vanguard Group Inc | 12.19M (9.24%) | -126.47K Decreased by -1.04% | Dec 31, 25 |
| 5 | RA Capital Management, LLC | 10.72M (8.13%) | -1.24M Decreased by -11.58% | Dec 31, 25 |
| 6 | BlackRock Inc | 10.25M (7.76%) | 290.40K Increased by +2.83% | Dec 31, 25 |
| 7 | Wellington Management Company LLP | 5.97M (4.52%) | 933.54K Increased by +15.65% | Dec 31, 25 |
| 8 | State Street Corp | 4.98M (3.77%) | 194.12K Increased by +3.90% | Dec 31, 25 |
| 9 | Paradigm Biocapital Advisors LP | 4.79M (3.63%) | 725.00K Increased by +15.13% | Mar 31, 26 |
| 10 | Capital Research Global Investors | 4.77M (3.62%) | -1.34M Decreased by -28.05% | Jun 30, 25 |
| 11 | Deep Track Capital, LP | 4.00M (3.03%) | 1.00M Increased by +25.00% | Dec 31, 25 |
| 12 | Westfield Capital Management Company, L.P. | 3.65M (2.76%) | 106.42K Increased by +2.92% | Mar 31, 26 |
| 13 | D. E. Shaw & Co LP | 3.63M (2.75%) | -659.74K Decreased by -18.17% | Dec 31, 25 |
| 14 | State Street Corporation | 3.34M (2.53%) | -52.44K Decreased by -1.57% | Mar 31, 24 |
| 15 | JPMorgan Chase & Co | 3.13M (2.37%) | 1.93M Increased by +61.70% | Sep 30, 25 |
| 16 | Goldman Sachs Group Inc | 3.13M (2.37%) | 2.18M Increased by +69.67% | Dec 31, 24 |
| 17 | Franklin Resources Inc | 3.09M (2.34%) | 219.70K Increased by +7.11% | Mar 31, 25 |
| 18 | Kynam Capital Management, LP | 2.92M (2.21%) | -149.25K Decreased by -5.11% | Dec 31, 25 |
| 19 | Geode Capital Management, LLC | 2.87M (2.17%) | -17.73K Decreased by -0.62% | Dec 31, 25 |
| 20 | Darwin Global Management, Ltd. | 2.20M (1.67%) | 117.24K Increased by +5.33% | Sep 30, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Total Stock Mkt Idx Inv | 4.59M (3.48%) | 110.31K Increased by +2.40% | Mar 31, 26 |
| 2 | Vanguard US Total Market Shares ETF | 3.67M (2.78%) | 587.74K Increased by +16.02% | Sep 30, 24 |
| 3 | Vanguard Small Cap Index | 3.32M (2.52%) | 99.49K Increased by +2.99% | Mar 31, 26 |
| 4 | iShares Russell 2000 ETF | 2.92M (2.21%) | 24.63K Increased by +0.84% | Apr 30, 26 |
| 5 | Strategic Advisers Fidelity US TtlStk | 2.86M (2.17%) | 79.33K Increased by +2.77% | Mar 31, 26 |
| 6 | Vanguard Health Care Inv | 2.67M (2.02%) | -615.82K Decreased by -23.09% | Mar 31, 26 |
| 7 | Janus Henderson Enterprise D | 2.27M (1.72%) | -300.75K Decreased by -13.25% | Jan 31, 26 |
| 8 | Janus Inst Mid Cap Growth CF | 2.27M (1.72%) | -300.75K Decreased by -13.25% | Mar 31, 26 |
| 9 | Janus Concentrated Growth CF | 2.24M (1.70%) | 2.24M Increased by +100.00% | Mar 31, 26 |
| 10 | Janus Henderson Forty S | 2.24M (1.70%) | 2.24M Increased by +100.00% | Jan 31, 26 |
| 11 | SPDR® S&P Biotech ETF | 2.01M (1.52%) | 4.49K Increased by +0.22% | Aug 31, 25 |
| 12 | Vanguard Small Cap Growth Index Inv | 1.86M (1.41%) | 69.43K Increased by +3.73% | Mar 31, 26 |
| 13 | American Funds New Economy A | 1.74M (1.32%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 14 | Capital Group New Economy Comp | 1.74M (1.32%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 15 | State Street® SPDR® S&P® Biotech ETF | 1.65M (1.25%) | -11.70K Decreased by -0.71% | Apr 30, 26 |
| 16 | T. Rowe Price Health Sciences | 1.51M (1.14%) | -657.00 Decreased by -0.04% | Jun 30, 25 |
| 17 | T. Rowe Price Mid-Cap Growth | 1.49M (1.13%) | -204.00K Decreased by -13.68% | Mar 31, 26 |
| 18 | T. Rowe Price US Mid-Cap Growth Equity | 1.49M (1.13%) | -425.60K Decreased by -28.54% | Mar 31, 26 |
| 19 | American Funds SMALLCAP World A | 1.49M (1.13%) | -661.94K Decreased by -44.47% | Jun 30, 25 |
| 20 | Fidelity Advisor Growth Opps M | 1.48M (1.12%) | 0.00 Increased by 0.00% | Mar 31, 26 |