0.76% | % of Shares Held by All Insider |
107.38% | % of Shares Held by Institutions |
108.20% | % of Float Held by Institutions |
267 | Number of Institutions Holding Shares |
Holder | Shares | Date Reported | % Out | Value |
---|---|---|---|---|
RA Capital Management, L.P. | 10,107,400 | Dec 30, 2023 | 17.36% | 1,370,159,119 |
Artisan Partners Limited Partnership | 5,749,227 | Dec 30, 2023 | 9.87% | 779,365,198 |
FMR, LLC | 5,114,369 | Dec 30, 2023 | 8.78% | 693,303,849 |
Westfield Capital Management Co LP | 4,030,634 | Dec 30, 2023 | 6.92% | 546,392,735 |
Janus Henderson Group PLC | 3,994,785 | Dec 30, 2023 | 6.86% | 541,533,044 |
T. Rowe Price Investment Management, Inc. | 3,989,830 | Dec 30, 2023 | 6.85% | 540,861,345 |
Avoro Capital Advisors LLC | 3,755,555 | Dec 30, 2023 | 6.45% | 509,103,026 |
Wellington Management Group, LLP | 3,248,293 | Dec 30, 2023 | 5.58% | 440,338,591 |
Capital International Investors | 2,181,268 | Dec 30, 2023 | 3.75% | 295,692,684 |
Massachusetts Financial Services Co. | 1,519,219 | Dec 30, 2023 | 2.61% | 205,945,323 |
Holder | Shares | Date Reported | % Out | Value |
---|---|---|---|---|
Vanguard Specialized-Health Care Fund | 2,136,431 | Jan 30, 2024 | 3.67% | 289,614,581 |
MFS Mid Cap Growth Fund | 1,169,326 | Feb 28, 2024 | 2.01% | 158,513,829 |
Price (T.Rowe) Mid Cap Growth Fund | 1,141,900 | Dec 30, 2023 | 1.96% | 154,795,961 |
Artisan Mid-Cap Fund | 1,117,826 | Dec 30, 2023 | 1.92% | 151,532,489 |
Growth Fund Of America Inc | 1,063,909 | Mar 30, 2024 | 1.83% | 144,223,501 |
Janus Henderson Enterprise Fund | 1,043,428 | Dec 30, 2023 | 1.79% | 141,447,097 |
Fidelity Select Portfolios - Health Care | 820,000 | Mar 30, 2024 | 1.41% | 111,159,197 |
Price (T.Rowe) New Horizons Fund | 776,147 | Dec 30, 2023 | 1.33% | 105,214,485 |
Fidelity Select Portfolios - Biotechnology | 659,409 | Mar 30, 2024 | 1.13% | 89,389,482 |
Artisan Small Cap Fund | 593,120 | Dec 30, 2023 | 1.02% | 80,403,345 |