| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | FMR Inc | 25.70M (29.64%) | 1.43M Increased by +5.56% | Mar 31, 26 |
| 2 | Deerfield Management Co | 7.69M (8.87%) | 1.76M Increased by +22.84% | Mar 31, 26 |
| 3 | Suvretta Capital Management, LLC | 7.58M (8.74%) | 972.40K Increased by +12.83% | Mar 31, 26 |
| 4 | RA Capital Management, LLC | 7.51M (8.66%) | 0.00 Increased by 0.00% | Dec 31, 24 |
| 5 | T. Rowe Price Associates, Inc. | 6.73M (7.76%) | -78.30K Decreased by -1.16% | Mar 31, 25 |
| 6 | Hillhouse Capital Advisors, Ltd. | 5.98M (6.90%) | 0.00 Increased by 0.00% | Dec 31, 25 |
| 7 | Westfield Capital Management Company, L.P. | 5.76M (6.65%) | -401.20K Decreased by -6.96% | Mar 31, 26 |
| 8 | Westfield Capital Management Company, LP | 5.04M (5.81%) | 266.30K Increased by +5.29% | Sep 30, 24 |
| 9 | BlackRock Inc | 4.68M (5.40%) | 407.63K Increased by +8.70% | Mar 31, 26 |
| 10 | Point72 Asset Management, L.P. | 3.89M (4.48%) | 1.10M Increased by +28.34% | Mar 31, 26 |
| 11 | Amvescap Plc. | 2.94M (3.39%) | -373.27K Decreased by -12.71% | Mar 31, 25 |
| 12 | Citadel Advisors Llc | 2.90M (3.35%) | 1.59M Increased by +54.68% | Dec 31, 24 |
| 13 | Capital World Investors | 2.39M (2.75%) | 0.00 Increased by 0.00% | Mar 31, 24 |
| 14 | Massachusetts Financial Services Company | 2.27M (2.62%) | 6.71K Increased by +0.30% | Mar 31, 25 |
| 15 | Artisan Partners Limited Partnership | 2.25M (2.60%) | -86.59K Decreased by -3.84% | Mar 31, 26 |
| 16 | HHG PLC | 2.13M (2.45%) | 32.35K Increased by +1.52% | Sep 30, 25 |
| 17 | Two Sigma Investments LLC | 1.89M (2.18%) | 1.36M Increased by +72.17% | Mar 31, 26 |
| 18 | Wellington Management Company LLP | 1.86M (2.14%) | -263.51K Decreased by -14.19% | Mar 31, 25 |
| 19 | Adage Capital Partners Gp LLC | 1.71M (1.97%) | 860.41K Increased by +50.36% | Sep 30, 23 |
| 20 | Millennium Management LLC | 1.66M (1.91%) | 1.29M Increased by +77.63% | Jun 30, 24 |
| Rank | Holder | SharesFloat % | Change | Date reported |
|---|---|---|---|---|
| 1 | Fidelity OTC | 3.71M (4.28%) | -974.20K Decreased by -26.26% | Apr 30, 26 |
| 2 | Invesco Developing Markets A | 2.69M (3.10%) | 0.00 Increased by 0.00% | May 31, 25 |
| 3 | Invesco Emerging Markets Equity | 2.69M (3.10%) | -277.61K Decreased by -10.33% | Mar 31, 25 |
| 4 | Fidelity Select Pharmaceuticals Port | 2.52M (2.91%) | 0.00 Increased by 0.00% | Apr 30, 26 |
| 5 | Fidelity Growth Compy Commingled Pl S | 2.45M (2.82%) | 15.11K Increased by +0.62% | Sep 30, 24 |
| 6 | Fidelity Growth Compy Commingled Pl O | 2.43M (2.81%) | 0.00 Increased by 0.00% | Aug 31, 24 |
| 7 | T. Rowe Price Growth Stock | 2.32M (2.68%) | 0.00 Increased by 0.00% | Sep 30, 24 |
| 8 | T. Rowe Price US Growth Stock Composite | 2.32M (2.68%) | -77.22K Decreased by -3.33% | Sep 30, 24 |
| 9 | Fidelity Select Health Care | 2.28M (2.63%) | -320.00K Decreased by -14.04% | Apr 30, 26 |
| 10 | Jupiter Merian Glb Eq AbsRet I USD Acc | 2.09M (2.41%) | 2.09M Increased by +100.00% | Dec 31, 25 |
| 11 | T. Rowe Price U.S. Growth Stock SMA | 2.07M (2.38%) | 2.07M Increased by +100.00% | Dec 31, 23 |
| 12 | Fidelity VIP Contrafund Initial | 1.86M (2.14%) | -285.09K Decreased by -15.37% | Apr 30, 26 |
| 13 | Fidelity® Growth Company | 1.82M (2.10%) | 62.20K Increased by +3.42% | Nov 30, 23 |
| 14 | Fidelity Growth Company Fund | 1.76M (2.04%) | -3.75K Decreased by -0.21% | Sep 30, 24 |
| 15 | MFS Mid Cap Growth A | 1.56M (1.80%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 16 | MFS Mid Cap Growth Equity | 1.56M (1.80%) | -17.03K Decreased by -1.09% | Mar 31, 25 |
| 17 | T. Rowe Price Lrg Cp Gr I | 1.47M (1.70%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 18 | T. Rowe Price US Large-Cap Growth Equity | 1.47M (1.70%) | -6.43K Decreased by -0.44% | Mar 31, 25 |
| 19 | Vanguard Health Care Inv | 1.44M (1.66%) | 0.00 Increased by 0.00% | Mar 31, 25 |
| 20 | Artisan International Small-Mid Investor | 1.43M (1.65%) | 0.00 Increased by 0.00% | Mar 31, 26 |