| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | FMR Inc | 5.82M (15.57%) | -77.52K Decreased by -1.33% | Dec 31, 24 |
| 2 | BlackRock Inc | 4.11M (11.00%) | 40.29K Increased by +0.98% | Dec 31, 24 |
| 3 | Vanguard Group Inc | 3.65M (9.77%) | -25.68K Decreased by -0.70% | Dec 31, 24 |
| 4 | Champlain Investment Partners, LLC | 1.50M (4.00%) | -52.02K Decreased by -3.48% | Dec 31, 24 |
| 5 | T. Rowe Price Associates, Inc. | 1.27M (3.39%) | -719.57K Decreased by -56.85% | Dec 31, 24 |
| 6 | State Street Corporation | 1.20M (3.22%) | 103.22K Increased by +8.57% | Mar 31, 24 |
| 7 | State Street Corp | 1.20M (3.22%) | -33.45K Decreased by -2.78% | Dec 31, 24 |
| 8 | Capital Research Global Investors | 1.13M (3.03%) | -1.55M Decreased by -136.79% | Mar 31, 24 |
| 9 | William Blair Investment Management, LLC | 883.10K (2.36%) | -98.21K Decreased by -11.12% | Dec 31, 24 |
| 10 | RTW INVESTMENTS, LLC | 862.45K (2.31%) | 66.70K Increased by +7.73% | Dec 31, 24 |
| 11 | JPMorgan Chase & Co | 768.28K (2.06%) | 138.37K Increased by +18.01% | Sep 30, 24 |
| 12 | Citadel Advisors Llc | 734.29K (1.97%) | 322.26K Increased by +43.89% | Dec 31, 24 |
| 13 | Baillie Gifford & Co Limited. | 730.23K (1.95%) | 138.39K Increased by +18.95% | Dec 31, 24 |
| 14 | T. Rowe Price Investment Management,Inc. | 707.06K (1.89%) | 227.51K Increased by +32.18% | Dec 31, 24 |
| 15 | ClearBridge Advisors, LLC | 663.95K (1.78%) | -46.10K Decreased by -6.94% | Dec 31, 24 |
| 16 | Geode Capital Management, LLC | 650.97K (1.74%) | -4.60K Decreased by -0.71% | Dec 31, 24 |
| 17 | HHG PLC | 597.08K (1.60%) | -71.80K Decreased by -12.02% | Dec 31, 24 |
| 18 | Congress Asset Management Company, LLP | 546.28K (1.46%) | -62.68K Decreased by -11.47% | Mar 31, 25 |
| 19 | Capital World Investors | 543.83K (1.46%) | -187.00 Decreased by -0.03% | Dec 31, 24 |
| 20 | Rock Springs Capital Management LP | 505.00K (1.35%) | -32.50K Decreased by -6.44% | Mar 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Fidelity Select Health Care | 1.24M (3.33%) | 3.80K Increased by +0.31% | Mar 31, 25 |
| 2 | iShares Core S&P Mid-Cap ETF | 1.24M (3.33%) | -4.01K Decreased by -0.32% | Apr 30, 25 |
| 3 | Capital Group AMCAP Composite | 1.17M (3.12%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 4 | VA CollegeAmerica Amcap 529A | 1.17M (3.12%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 5 | Vanguard US Total Market Shares ETF | 1.16M (3.12%) | 924.00 Increased by +0.08% | Sep 30, 24 |
| 6 | Vanguard Total Stock Mkt Idx Inv | 1.15M (3.09%) | 5.22K Increased by +0.45% | Mar 31, 25 |
| 7 | Select Medical Tech and Devcs | 1.08M (2.89%) | 60.00K Increased by +5.56% | Nov 30, 23 |
| 8 | Vanguard Small Cap Index | 913.12K (2.44%) | -17.74K Decreased by -1.94% | Mar 31, 25 |
| 9 | Fidelity Select Medical Tech and Devcs | 882.80K (2.36%) | 22.80K Increased by +2.58% | Mar 31, 25 |
| 10 | T. Rowe Price New Horizons | 807.21K (2.16%) | -1.98K Decreased by -0.25% | Jun 30, 24 |
| 11 | US Small-Cap Growth II Equity Comp | 807.21K (2.16%) | -1.98K Decreased by -0.25% | Jun 30, 24 |
| 12 | Fidelity Advisor® Health Care I | 775.00K (2.07%) | 25.00K Increased by +3.23% | Nov 30, 23 |
| 13 | Fidelity Advisor Health Care I | 720.00K (1.93%) | -8.00K Decreased by -1.11% | Mar 31, 25 |
| 14 | Strategic Advisers Fidelity US TtlStk | 652.90K (1.75%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 15 | Vanguard Institutional Extnd Mkt Idx Tr | 590.72K (1.58%) | 6.58K Increased by +1.11% | Mar 31, 25 |
| 16 | American Funds Growth Fund of Amer A | 586.01K (1.57%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 17 | Capital Group Growth Fnd of Amer Comp | 586.01K (1.57%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 18 | Champlain Mid Cap Fund, LLC | 574.75K (1.54%) | -205.76K Decreased by -35.80% | Mar 31, 25 |
| 19 | American Funds SMALLCAP World A | 543.27K (1.45%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 20 | T. Rowe Price Health Sciences | 542.67K (1.45%) | -84.05K Decreased by -15.49% | Mar 31, 25 |