| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | T. Rowe Price Investment Management,Inc. | 27.11M (22.17%) | 8.03M Increased by +29.61% | Dec 31, 25 |
| 2 | BlackRock Inc | 15.53M (12.70%) | -152.12K Decreased by -0.98% | Sep 30, 25 |
| 3 | FMR Inc | 12.81M (10.47%) | -283.89K Decreased by -2.22% | Dec 31, 25 |
| 4 | Vanguard Group Inc | 12.05M (9.85%) | 191.34K Increased by +1.59% | Dec 31, 25 |
| 5 | Wellington Management Company LLP | 7.94M (6.49%) | 528.50K Increased by +6.66% | Dec 31, 25 |
| 6 | Tudor Investment Corp Et AL | 6.00M (4.91%) | 6.00M Increased by +100.00% | Sep 30, 25 |
| 7 | State Street Corp | 5.62M (4.59%) | -755.42K Decreased by -13.45% | Sep 30, 25 |
| 8 | Darwin Global Management, Ltd. | 4.58M (3.74%) | 4.58M Increased by +100.00% | Jun 30, 24 |
| 9 | State Street Corporation | 4.52M (3.70%) | -1.37M Decreased by -30.37% | Mar 31, 24 |
| 10 | Deep Track Capital, LP | 3.34M (2.73%) | -963.00K Decreased by -28.86% | Dec 31, 25 |
| 11 | JPMorgan Chase & Co | 3.09M (2.52%) | 1.77M Increased by +57.31% | Sep 30, 25 |
| 12 | Bank of America Corp | 3.06M (2.50%) | 416.23K Increased by +13.59% | Sep 30, 25 |
| 13 | Geode Capital Management, LLC | 3.06M (2.50%) | 15.81K Increased by +0.52% | Dec 31, 25 |
| 14 | Vestal Point Capital LP | 2.98M (2.43%) | 384.47K Increased by +12.92% | Jun 30, 25 |
| 15 | RTW INVESTMENTS, LLC | 2.72M (2.23%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 16 | HHG PLC | 2.57M (2.10%) | 75.08K Increased by +2.92% | Dec 31, 23 |
| 17 | Polar Capital Holdings PLC | 2.42M (1.98%) | -360.32K Decreased by -14.87% | Dec 31, 25 |
| 18 | T. Rowe Price Associates, Inc. | 2.37M (1.94%) | 500.87K Increased by +21.16% | Sep 30, 25 |
| 19 | American Century Companies Inc | 2.23M (1.82%) | -499.06K Decreased by -22.42% | Sep 30, 23 |
| 20 | Boxer Capital LLC | 2.10M (1.72%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 6.66M (5.45%) | 4.87K Increased by +0.07% | Jan 31, 24 |
| 2 | Vanguard Health Care Inv | 4.05M (3.31%) | 327.19K Increased by +8.08% | Dec 31, 25 |
| 3 | iShares Core S&P Mid-Cap ETF | 3.95M (3.23%) | 315.34K Increased by +7.98% | Feb 28, 26 |
| 4 | Vanguard Total Stock Mkt Idx Inv | 3.88M (3.17%) | 7.83K Increased by +0.20% | Feb 28, 26 |
| 5 | Vanguard US Total Market Shares ETF | 3.75M (3.07%) | 128.42K Increased by +3.43% | Sep 30, 24 |
| 6 | T. Rowe Price Capital Appreciation | 3.39M (2.77%) | 0.00 Increased by 0.00% | Jan 31, 26 |
| 7 | iShares Russell 2000 ETF | 2.84M (2.32%) | 1.07M Increased by +37.76% | Feb 28, 26 |
| 8 | Vanguard Small Cap Index | 2.78M (2.27%) | 7.65K Increased by +0.28% | Feb 28, 26 |
| 9 | Strategic Advisers Fidelity US TtlStk | 2.11M (1.72%) | -439.60K Decreased by -20.86% | Dec 31, 25 |
| 10 | SPDR® S&P Biotech ETF | 2.07M (1.69%) | 4.61K Increased by +0.22% | Aug 31, 25 |
| 11 | T. Rowe Price US Mid-Cap Growth Equity | 1.89M (1.54%) | -753.30K Decreased by -39.90% | Dec 31, 25 |
| 12 | T. Rowe Price Mid-Cap Growth | 1.69M (1.38%) | -201.40K Decreased by -11.94% | Jan 31, 26 |
| 13 | State Street® SPDR® S&P® Biotech ETF | 1.62M (1.32%) | 8.90K Increased by +0.55% | Feb 28, 26 |
| 14 | T. Rowe Price US Small-Cap Core Equity | 1.55M (1.27%) | -176.76K Decreased by -11.40% | Dec 31, 25 |
| 15 | Vanguard Small Cap Growth Index Inv | 1.54M (1.26%) | 3.51K Increased by +0.23% | Feb 28, 26 |
| 16 | American Century Heritage Inv | 1.54M (1.26%) | -447.11K Decreased by -29.12% | Sep 30, 23 |
| 17 | American Century US Opport. Mid Cap Gr | 1.54M (1.26%) | -447.11K Decreased by -29.12% | Sep 30, 23 |
| 18 | Fidelity OTC | 1.52M (1.25%) | 1.26M Increased by +82.79% | Jan 31, 26 |
| 19 | T. Rowe Price Small-Cap Value | 1.44M (1.18%) | -89.98K Decreased by -6.25% | Jan 31, 26 |
| 20 | Vanguard Institutional Extnd Mkt Idx Tr | 1.33M (1.09%) | 11.96K Increased by +0.90% | Feb 28, 26 |