0.76% | % of shares held by all insiders |
107.38% | % of shares held by institutions |
108.20% | % of float held by institutions |
266 | Number of institutions holding shares |
Holder | Shares | Date reported | % out | Value |
---|---|---|---|---|
RA Capital Management, L.P. | 10,107,400 | 30 Dec 2023 | 17.36% | 1,354,391,600 |
Artisan Partners Limited Partnership | 5,749,227 | 30 Dec 2023 | 9.87% | 770,396,418 |
FMR, LLC | 5,114,369 | 30 Dec 2023 | 8.78% | 685,325,446 |
Westfield Capital Management Co LP | 4,030,634 | 30 Dec 2023 | 6.92% | 540,104,956 |
Janus Henderson Group PLC | 3,994,785 | 30 Dec 2023 | 6.86% | 535,301,190 |
T. Rowe Price Investment Management, Inc. | 3,989,830 | 30 Dec 2023 | 6.85% | 534,637,220 |
Avoro Capital Advisors LLC | 3,755,555 | 30 Dec 2023 | 6.45% | 503,244,370 |
Wellington Management Group, LLP | 3,248,293 | 30 Dec 2023 | 5.58% | 435,271,262 |
Capital International Investors | 2,181,268 | 30 Dec 2023 | 3.75% | 292,289,912 |
Massachusetts Financial Services Co. | 1,519,219 | 30 Dec 2023 | 2.61% | 203,575,346 |
Holder | Shares | Date reported | % out | Value |
---|---|---|---|---|
Vanguard Specialized-Health Care Fund | 2,136,431 | 30 Jan 2024 | 3.67% | 286,281,754 |
MFS Mid Cap Growth Fund | 1,169,326 | 28 Feb 2024 | 2.01% | 156,689,684 |
Price (T.Rowe) Mid Cap Growth Fund | 1,141,900 | 30 Dec 2023 | 1.96% | 153,014,600 |
Artisan Mid-Cap Fund | 1,117,826 | 30 Dec 2023 | 1.92% | 149,788,684 |
Growth Fund Of America Inc | 1,063,909 | 30 Mar 2024 | 1.83% | 142,563,806 |
Janus Henderson Enterprise Fund | 1,043,428 | 30 Dec 2023 | 1.79% | 139,819,352 |
Fidelity Select Portfolios - Health Care | 820,000 | 30 Mar 2024 | 1.41% | 109,880,000 |
Price (T.Rowe) New Horizons Fund | 776,147 | 30 Dec 2023 | 1.33% | 104,003,698 |
Fidelity Select Portfolios - Biotechnology | 659,409 | 30 Mar 2024 | 1.13% | 88,360,806 |
Artisan Small Cap Fund | 593,120 | 30 Dec 2023 | 1.02% | 79,478,080 |