0.76% | % of shares held by all insiders |
107.41% | % of shares held by institutions |
108.23% | % of float held by institutions |
263 | Number of institutions holding shares |
Holder | Shares | Date reported | % out | Value |
---|---|---|---|---|
RA Capital Management, L.P. | 10,107,400 | 30 Dec 2023 | 17.36% | 1,348,933,671 |
Artisan Partners Limited Partnership | 5,749,227 | 30 Dec 2023 | 9.87% | 767,291,874 |
FMR, LLC | 5,114,369 | 30 Dec 2023 | 8.78% | 682,563,721 |
Westfield Capital Management Co LP | 4,030,634 | 30 Dec 2023 | 6.92% | 537,928,440 |
Janus Henderson Group PLC | 3,994,785 | 30 Dec 2023 | 6.86% | 533,144,032 |
T. Rowe Price Investment Management, Inc. | 3,989,830 | 30 Dec 2023 | 6.85% | 532,482,738 |
Avoro Capital Advisors LLC | 3,755,555 | 30 Dec 2023 | 6.45% | 501,216,395 |
Wellington Management Group, LLP | 3,248,293 | 30 Dec 2023 | 5.58% | 433,517,205 |
Capital International Investors | 2,181,268 | 30 Dec 2023 | 3.75% | 291,112,041 |
Massachusetts Financial Services Co. | 1,519,219 | 30 Dec 2023 | 2.61% | 202,754,977 |
Holder | Shares | Date reported | % out | Value |
---|---|---|---|---|
Vanguard Specialized-Health Care Fund | 2,136,431 | 30 Jan 2024 | 3.67% | 285,128,095 |
MFS Mid Cap Growth Fund | 1,169,326 | 28 Feb 2024 | 2.01% | 156,058,255 |
Price (T.Rowe) Mid Cap Growth Fund | 1,141,900 | 30 Dec 2023 | 1.96% | 152,397,981 |
Artisan Mid-Cap Fund | 1,117,826 | 30 Dec 2023 | 1.92% | 149,185,065 |
Growth Fund Of America Inc | 1,063,909 | 30 Mar 2024 | 1.83% | 141,989,302 |
Janus Henderson Enterprise Fund | 1,043,428 | 30 Dec 2023 | 1.79% | 139,255,907 |
Fidelity Select Portfolios - Health Care | 820,000 | 30 Mar 2024 | 1.41% | 109,437,205 |
Price (T.Rowe) New Horizons Fund | 776,147 | 30 Dec 2023 | 1.33% | 103,584,583 |
Fidelity Select Portfolios - Biotechnology | 659,409 | 30 Mar 2024 | 1.13% | 88,004,729 |
Artisan Small Cap Fund | 593,120 | 30 Dec 2023 | 1.02% | 79,157,799 |