| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | FMR Inc | 5.84M (15.53%) | 21.25K Increased by +0.36% | Mar 31, 25 |
| 2 | BlackRock Inc | 4.13M (10.99%) | 24.66K Increased by +0.60% | Mar 31, 25 |
| 3 | Vanguard Group Inc | 3.68M (9.77%) | 24.73K Increased by +0.67% | Mar 31, 25 |
| 4 | T. Rowe Price Associates, Inc. | 1.21M (3.21%) | -57.26K Decreased by -4.74% | Mar 31, 25 |
| 5 | State Street Corporation | 1.20M (3.20%) | 103.22K Increased by +8.57% | Mar 31, 24 |
| 6 | State Street Corp | 1.20M (3.19%) | -5.56K Decreased by -0.46% | Mar 31, 25 |
| 7 | Capital Research Global Investors | 1.13M (3.01%) | -1.55M Decreased by -136.79% | Mar 31, 24 |
| 8 | William Blair Investment Management, LLC | 883.10K (2.35%) | -98.21K Decreased by -11.12% | Dec 31, 24 |
| 9 | Champlain Investment Partners, LLC | 869.92K (2.31%) | -626.03K Decreased by -71.96% | Mar 31, 25 |
| 10 | RTW INVESTMENTS, LLC | 862.77K (2.29%) | 320.00 Increased by +0.04% | Mar 31, 25 |
| 11 | Citadel Advisors Llc | 734.29K (1.95%) | 322.26K Increased by +43.89% | Dec 31, 24 |
| 12 | JPMorgan Chase & Co | 703.63K (1.87%) | 572.61K Increased by +81.38% | Mar 31, 25 |
| 13 | Baillie Gifford & Co Limited. | 689.00K (1.83%) | -41.24K Decreased by -5.99% | Mar 31, 25 |
| 14 | Geode Capital Management, LLC | 688.63K (1.83%) | 37.66K Increased by +5.47% | Mar 31, 25 |
| 15 | T. Rowe Price Investment Management,Inc. | 633.61K (1.68%) | -73.45K Decreased by -11.59% | Mar 31, 25 |
| 16 | ClearBridge Advisors, LLC | 586.84K (1.56%) | -77.11K Decreased by -13.14% | Mar 31, 25 |
| 17 | Congress Asset Management Company, LLP | 546.28K (1.45%) | -62.68K Decreased by -11.47% | Mar 31, 25 |
| 18 | Capital World Investors | 543.83K (1.45%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 19 | HHG PLC | 541.32K (1.44%) | -55.76K Decreased by -10.30% | Mar 31, 25 |
| 20 | Rock Springs Capital Management LP | 505.00K (1.34%) | -32.50K Decreased by -6.44% | Mar 31, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Fidelity Select Health Care | 1.24M (3.31%) | 3.80K Increased by +0.31% | Mar 31, 25 |
| 2 | iShares Core S&P Mid-Cap ETF | 1.24M (3.30%) | -4.01K Decreased by -0.32% | Apr 30, 25 |
| 3 | Vanguard Total Stock Mkt Idx Inv | 1.17M (3.12%) | 18.33K Increased by +1.56% | Apr 30, 25 |
| 4 | Capital Group AMCAP Composite | 1.17M (3.10%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 5 | VA CollegeAmerica Amcap 529A | 1.17M (3.10%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 6 | Vanguard US Total Market Shares ETF | 1.16M (3.10%) | 924.00 Increased by +0.08% | Sep 30, 24 |
| 7 | Select Medical Tech and Devcs | 1.08M (2.87%) | 60.00K Increased by +5.56% | Nov 30, 23 |
| 8 | Vanguard Small Cap Index | 918.59K (2.44%) | 5.47K Increased by +0.60% | Apr 30, 25 |
| 9 | Fidelity Select Medical Tech and Devcs | 882.80K (2.35%) | 22.80K Increased by +2.58% | Mar 31, 25 |
| 10 | T. Rowe Price New Horizons | 807.21K (2.15%) | -1.98K Decreased by -0.25% | Jun 30, 24 |
| 11 | US Small-Cap Growth II Equity Comp | 807.21K (2.15%) | -1.98K Decreased by -0.25% | Jun 30, 24 |
| 12 | Fidelity Advisor® Health Care I | 775.00K (2.06%) | 25.00K Increased by +3.23% | Nov 30, 23 |
| 13 | Fidelity Advisor Health Care I | 720.00K (1.91%) | -8.00K Decreased by -1.11% | Mar 31, 25 |
| 14 | Strategic Advisers Fidelity US TtlStk | 652.90K (1.74%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 15 | Vanguard Institutional Extnd Mkt Idx Tr | 593.85K (1.58%) | 3.13K Increased by +0.53% | Apr 30, 25 |
| 16 | American Funds Growth Fund of Amer A | 586.01K (1.56%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 17 | Capital Group Growth Fnd of Amer Comp | 586.01K (1.56%) | 0.00 Increased by 0.00% | Dec 31, 23 |
| 18 | American Funds SMALLCAP World A | 543.27K (1.44%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 19 | T. Rowe Price Health Sciences | 542.67K (1.44%) | -84.05K Decreased by -15.49% | Mar 31, 25 |
| 20 | Franklin US Small-Mid Cap Growth Equity | 540.46K (1.44%) | 295.20K Increased by +54.62% | Mar 31, 25 |