| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | BlackRock Inc | 10.36M (23.05%) | -146.24K Decreased by -1.41% | Sep 30, 25 |
| 2 | FMR Inc | 7.86M (17.49%) | -349.56K Decreased by -4.44% | Dec 31, 25 |
| 3 | Politan Capital Management LP | 4.59M (10.21%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 4 | Vanguard Group Inc | 4.35M (9.67%) | -461.23K Decreased by -10.61% | Dec 31, 25 |
| 5 | T. Rowe Price Investment Management,Inc. | 2.93M (6.52%) | 803.69K Increased by +27.43% | Dec 31, 25 |
| 6 | Massachusetts Financial Services Company | 2.66M (5.92%) | 43.91K Increased by +1.65% | Dec 31, 25 |
| 7 | NAYA CAPITAL MANAGEMENT UK LTD | 1.56M (3.47%) | 1.56M Increased by +100.00% | Dec 31, 25 |
| 8 | Westfield Capital Management Company, L.P. | 1.52M (3.39%) | 102.80K Increased by +6.75% | Dec 31, 25 |
| 9 | State Street Corp | 1.48M (3.30%) | -1.92K Decreased by -0.13% | Sep 30, 25 |
| 10 | Westfield Capital Management Company, LP | 1.39M (3.10%) | 262.37K Increased by +18.82% | Sep 30, 24 |
| 11 | State Street Corporation | 1.36M (3.03%) | 2.92K Increased by +0.21% | Mar 31, 24 |
| 12 | Alyeska Investment Group, L.P. | 1.26M (2.80%) | -121.78K Decreased by -9.67% | Dec 31, 25 |
| 13 | Farallon Capital Management, L.L.C. | 1.26M (2.80%) | 139.00K Increased by +11.04% | Sep 30, 24 |
| 14 | Holocene Advisors, LP | 1.24M (2.77%) | -89.69K Decreased by -7.21% | Jun 30, 25 |
| 15 | Thrivent Financial For Lutherans | 1.22M (2.71%) | 360.50K Increased by +29.61% | Jun 30, 24 |
| 16 | Durable Capital Partners LP | 1.16M (2.59%) | 38.28K Increased by +3.29% | Jun 30, 25 |
| 17 | AQR Capital Management LLC | 1.09M (2.43%) | 1.06M Increased by +97.16% | Dec 31, 25 |
| 18 | Eminence Capital LLC | 1.04M (2.30%) | 1.04M Increased by +100.00% | Sep 30, 23 |
| 19 | Ace Management Global Ltd. | 965.50K (2.15%) | -95.42K Decreased by -9.88% | Sep 30, 24 |
| 20 | Geode Capital Management, LLC | 953.98K (2.12%) | 11.54K Increased by +1.21% | Dec 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | MFS Mid Cap Growth A | 1.64M (3.66%) | 0.00 Increased by 0.00% | Feb 28, 26 |
| 2 | MFS Mid Cap Growth Equity | 1.64M (3.66%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 3 | Vanguard US Total Market Shares ETF | 1.53M (3.41%) | -71.94K Decreased by -4.70% | Sep 30, 24 |
| 4 | iShares Core S&P Mid-Cap ETF | 1.51M (3.37%) | 2.70K Increased by +0.18% | Mar 31, 26 |
| 5 | Vanguard Total Stock Mkt Idx Inv | 1.45M (3.22%) | 2.55K Increased by +0.18% | Feb 28, 26 |
| 6 | Select Medical Tech and Devcs | 1.20M (2.67%) | 50.00K Increased by +4.17% | Nov 30, 23 |
| 7 | BlackRock Mid-Cap Growth Equity Instl | 1.20M (2.66%) | -18.64K Decreased by -1.56% | Jul 31, 25 |
| 8 | Capital Group AMCAP Composite | 1.19M (2.65%) | -1.56K Decreased by -0.13% | Mar 31, 24 |
| 9 | VA CollegeAmerica Amcap 529A | 1.19M (2.65%) | -1.56K Decreased by -0.13% | Mar 31, 24 |
| 10 | BlackRock Global Uncons Eq Z USD Acc | 1.06M (2.36%) | 31.08K Increased by +2.93% | Apr 30, 25 |
| 11 | Vanguard Small Cap Index | 1.04M (2.31%) | 2.69K Increased by +0.26% | Feb 28, 26 |
| 12 | Fidelity Select Health Care | 1.00M (2.22%) | -230.00K Decreased by -23.00% | Jan 31, 26 |
| 13 | Strategic Advisers Fidelity US TtlStk | 791.91K (1.76%) | -81.90K Decreased by -10.34% | Jan 31, 26 |
| 14 | T. Rowe Price Mid-Cap Growth | 767.60K (1.71%) | 369.50K Increased by +48.14% | Jan 31, 26 |
| 15 | Smithson Investment Trust Ord | 691.14K (1.54%) | 0.00 Increased by 0.00% | Aug 31, 23 |
| 16 | T. Rowe Price US Small-Cap Core Equity | 667.08K (1.48%) | 72.67K Increased by +10.89% | Dec 31, 25 |
| 17 | T. Rowe Price Small-Cap Stock | 666.07K (1.48%) | -1.01K Decreased by -0.15% | Jan 31, 26 |
| 18 | BlackRock Event Driven Equity Instl | 663.34K (1.48%) | 663.34K Increased by +100.00% | Feb 28, 26 |
| 19 | Vanguard Small Cap Growth Index Inv | 575.55K (1.28%) | 714.00 Increased by +0.12% | Feb 28, 26 |
| 20 | Fidelity Advisor® Health Care I | 575.00K (1.28%) | 45.00K Increased by +7.83% | Nov 30, 23 |