| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | FMR Inc | 30.79M (29.78%) | 16.57M Increased by +53.82% | Mar 31, 26 |
| 2 | J. H. Whitney Equity Partners VI, LLC | 18.26M (17.66%) | -2.00M Decreased by -10.95% | Mar 31, 26 |
| 3 | Sixth Street Partners Management Company, L.P. | 14.39M (13.91%) | -5.00M Decreased by -34.76% | Mar 31, 26 |
| 4 | Coatue Management LLC | 9.82M (9.50%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 5 | BRAIDWELL LP | 8.01M (7.75%) | 193.31K Increased by +2.41% | Mar 31, 26 |
| 6 | PointState Capital LP | 7.36M (7.12%) | 641.74K Increased by +8.72% | Mar 31, 26 |
| 7 | T. Rowe Price Investment Management,Inc. | 5.59M (5.40%) | -7.46M Decreased by -133.42% | Mar 31, 26 |
| 8 | BlackRock Inc | 4.86M (4.70%) | 2.49M Increased by +51.18% | Mar 31, 26 |
| 9 | T. Rowe Price Associates, Inc. | 4.37M (4.23%) | -456.19K Decreased by -10.43% | Mar 31, 26 |
| 10 | Vanguard Portfolio Management, LLC | 3.76M (3.64%) | 3.76M Increased by +100.00% | Mar 31, 26 |
| 11 | Neuberger Berman Group LLC | 3.59M (3.47%) | -210.34K Decreased by -5.86% | Mar 31, 26 |
| 12 | JPMorgan Chase & Co | 3.46M (3.35%) | 1.01M Increased by +29.33% | Mar 31, 26 |
| 13 | Vanguard Capital Management, LLC | 3.33M (3.22%) | 3.33M Increased by +100.00% | Mar 31, 26 |
| 14 | Citadel Advisors Llc | 3.11M (3.01%) | 3.11M Increased by +100.00% | Dec 31, 25 |
| 15 | Orbimed Advisors, LLC | 2.81M (2.71%) | -309.20K Decreased by -11.02% | Mar 31, 26 |
| 16 | UBS Group AG | 2.75M (2.66%) | 561.83K Increased by +20.46% | Mar 31, 26 |
| 17 | Los Angeles Capital Management LLC | 2.29M (2.21%) | 2.29M Increased by +99.98% | Mar 31, 26 |
| 18 | Duquesne Family Office LLC | 1.89M (1.83%) | 1.89M Increased by +100.00% | Mar 31, 26 |
| 19 | Point72 Asset Management, L.P. | 1.86M (1.80%) | 1.62M Increased by +86.78% | Dec 31, 25 |
| 20 | BNP Paribas Arbitrage, SA | 1.61M (1.56%) | 928.46K Increased by +57.52% | Mar 31, 26 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Fidelity Select Health Care | 3.60M (3.48%) | 320.00K Increased by +8.89% | Apr 30, 26 |
| 2 | Vanguard Total Stock Mkt Idx Inv | 3.17M (3.06%) | 10.05K Increased by +0.32% | Apr 30, 26 |
| 3 | Fidelity Select Medical Tech and Devcs | 3.00M (2.90%) | 150.00K Increased by +5.00% | Apr 30, 26 |
| 4 | JPMorgan Mid Cap Growth I | 2.93M (2.84%) | 1.24M Increased by +42.37% | Apr 30, 26 |
| 5 | Strategic Advisers Fidelity US TtlStk | 2.87M (2.77%) | 290.00K Increased by +10.11% | Apr 30, 26 |
| 6 | Fidelity Contrafund | 2.72M (2.63%) | 389.92K Increased by +14.32% | Apr 30, 26 |
| 7 | T. Rowe Price US Mid-Cap Growth Equity | 2.70M (2.62%) | -2.30K Decreased by -0.09% | Mar 31, 26 |
| 8 | T. Rowe Price Mid-Cap Growth | 2.70M (2.61%) | -1.17K Decreased by -0.04% | Apr 30, 26 |
| 9 | Fidelity VIP Mid Cap Initial | 2.69M (2.61%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 10 | Vanguard Small Cap Index | 2.27M (2.20%) | -9.17K Decreased by -0.40% | Apr 30, 26 |
| 11 | Worldwide Healthcare Ord | 1.99M (1.93%) | 0.00 Increased by 0.00% | Feb 28, 26 |
| 12 | T. Rowe Price Health Sciences | 1.92M (1.85%) | -112.40K Decreased by -5.86% | Apr 30, 26 |
| 13 | Fidelity Advisor Health Care I | 1.80M (1.74%) | 130.00K Increased by +7.22% | Apr 30, 26 |
| 14 | JPM US Mid Cap Growth-Composite | 1.69M (1.64%) | 696.03K Increased by +41.16% | Mar 31, 26 |
| 15 | Fidelity Growth Compy Commingled Pl S | 1.57M (1.52%) | 1.07K Increased by +0.07% | Apr 30, 26 |
| 16 | Fidelity Mid-Cap Stock | 1.35M (1.31%) | 504.60K Increased by +37.28% | Apr 30, 26 |
| 17 | Vanguard Small Cap Growth Index Inv | 1.27M (1.23%) | -994.00 Decreased by -0.08% | Apr 30, 26 |
| 18 | Fidelity Puritan | 1.24M (1.20%) | 0.00 Increased by 0.00% | Mar 31, 26 |
| 19 | Fidelity Growth Company Fund | 1.24M (1.20%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 20 | Champlain Small Company Fund, LLC | 1.19M (1.15%) | 30.25K Increased by +2.55% | Apr 30, 26 |