| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Wellington Management Company LLP | 10.87M (12.27%) | -862.01K Decreased by -7.93% | Mar 31, 25 |
| 2 | Vanguard Group Inc | 8.80M (9.93%) | -78.68K Decreased by -0.89% | Mar 31, 25 |
| 3 | BlackRock Inc | 8.36M (9.43%) | -117.13K Decreased by -1.40% | Mar 31, 25 |
| 4 | FMR Inc | 7.12M (8.03%) | 888.14K Increased by +12.48% | Mar 31, 25 |
| 5 | JPMorgan Chase & Co | 6.25M (7.05%) | 908.09K Increased by +14.52% | Sep 30, 24 |
| 6 | William Blair Investment Management, LLC | 4.40M (4.96%) | 770.51K Increased by +17.52% | Mar 31, 25 |
| 7 | Viking Global Investors LP | 3.70M (4.18%) | 464.56K Increased by +12.55% | Sep 30, 24 |
| 8 | Sachem Head Capital Management LP | 3.63M (4.10%) | 2.31M Increased by +63.41% | Mar 31, 25 |
| 9 | State Street Corp | 3.00M (3.38%) | 46.32K Increased by +1.54% | Mar 31, 25 |
| 10 | Dimensional Fund Advisors, Inc. | 2.93M (3.31%) | -248.64K Decreased by -8.47% | Mar 31, 25 |
| 11 | State Street Corporation | 2.73M (3.08%) | 81.68K Increased by +2.99% | Mar 31, 24 |
| 12 | Hawk Ridge Management LLC | 2.47M (2.79%) | 2.01M Increased by +81.40% | Mar 31, 25 |
| 13 | Citigroup Inc | 2.38M (2.68%) | 2.33M Increased by +98.09% | Mar 31, 25 |
| 14 | Millennium Management LLC | 2.26M (2.55%) | 1.17M Increased by +51.79% | Sep 30, 24 |
| 15 | Durable Capital Partners LP | 2.26M (2.54%) | 37.27K Increased by +1.65% | Sep 30, 24 |
| 16 | Maverick Capital Ltd | 2.25M (2.53%) | 1.21M Increased by +53.78% | Mar 31, 25 |
| 17 | P2 Capital Partners, LLC | 2.14M (2.42%) | -52.10K Decreased by -2.43% | Mar 31, 25 |
| 18 | Madison Avenue Partners, LP | 1.93M (2.17%) | 1.93M Increased by +100.00% | Dec 31, 24 |
| 19 | Citadel Advisors Llc | 1.90M (2.14%) | -346.39K Decreased by -18.23% | Dec 31, 24 |
| 20 | Abrams Bison Investments, LLC | 1.82M (2.05%) | 1.82M Increased by +100.00% | Mar 31, 25 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Vanguard Health Care Inv | 5.57M (6.28%) | 0.00 Increased by 0.00% | Jun 30, 25 |
| 2 | iShares Core S&P Mid-Cap ETF | 3.01M (3.39%) | 196.00 Increased by +0.01% | Jul 30, 25 |
| 3 | T. Rowe Price US Mid-Cap Growth Equity | 2.98M (3.36%) | -13.00K Decreased by -0.44% | Dec 31, 24 |
| 4 | Vanguard Total Stock Mkt Idx Inv | 2.85M (3.22%) | 11.70K Increased by +0.41% | Jun 30, 25 |
| 5 | Vanguard US Total Market Shares ETF | 2.79M (3.14%) | 2.25K Increased by +0.08% | Sep 30, 24 |
| 6 | Vanguard Small Cap Index | 2.14M (2.41%) | -86.16K Decreased by -4.03% | Jun 30, 25 |
| 7 | Fidelity Value | 2.09M (2.36%) | 133.19K Increased by +6.37% | Jun 30, 25 |
| 8 | T. Rowe Price Mid-Cap Growth | 1.56M (1.76%) | -1.42M Decreased by -90.81% | Feb 28, 25 |
| 9 | Vanguard Explorer Inv | 1.50M (1.69%) | -703.77K Decreased by -46.99% | Mar 31, 25 |
| 10 | Vanguard Institutional Extnd Mkt Idx Tr | 1.42M (1.61%) | -31.38K Decreased by -2.20% | Jun 30, 25 |
| 11 | Vanguard Small Cap Value Index Inv | 1.36M (1.54%) | -66.38K Decreased by -4.87% | Jun 30, 25 |
| 12 | JPM US Mid Cap Growth-Composite | 1.05M (1.18%) | 167.86K Increased by +16.05% | Sep 30, 24 |
| 13 | JPM US Mid Cap Growth-MA | 1.04M (1.17%) | 656.00K Increased by +63.16% | Sep 30, 23 |
| 14 | Stephens SMID Select Growth | 915.86K (1.03%) | 166.17K Increased by +18.14% | Dec 31, 24 |
| 15 | First Trust Health Care AlphaDEX® ETF | 868.94K (0.98%) | 0.00 Increased by 0.00% | Jul 31, 25 |
| 16 | Fidelity Select Health Care | 850.00K (0.96%) | -10.00K Decreased by -1.18% | Dec 31, 23 |
| 17 | T. Rowe Price U.S. Mid-Cap Gr Eq Tr-D | 804.30K (0.91%) | 13.00K Increased by +1.62% | Dec 31, 24 |
| 18 | T. Rowe Price U.S. Mid-Cap Gr Eq Tr-Z | 804.30K (0.91%) | 13.00K Increased by +1.62% | Dec 31, 24 |
| 19 | Invesco Discovery A | 801.13K (0.90%) | 4.57K Increased by +0.57% | Feb 29, 24 |
| 20 | Hartford MidCap Y | 796.16K (0.90%) | -7.48K Decreased by -0.94% | Sep 30, 24 |