9.42% | % of shares held by all insiders |
96.79% | % of shares held by institutions |
106.85% | % of float held by institutions |
172 | Number of institutions holding shares |
Holder | Shares | Date reported | % out | Value |
---|---|---|---|---|
BVF Inc. | 21,751,284 | 30 Dec 2023 | 34.59% | 949,661,056 |
Cormorant Asset Management, LP | 8,494,151 | 30 Dec 2023 | 13.51% | 370,854,631 |
FMR, LLC | 3,847,678 | 30 Dec 2023 | 6.12% | 167,989,620 |
Avoro Capital Advisors LLC | 2,580,000 | 30 Dec 2023 | 4.10% | 112,642,799 |
Price (T.Rowe) Associates Inc | 2,314,012 | 30 Dec 2023 | 3.68% | 101,029,763 |
Citadel Advisors Llc | 2,008,660 | 30 Dec 2023 | 3.19% | 87,698,095 |
Adage Capital Partners GP L.L.C. | 1,525,717 | 30 Dec 2023 | 2.43% | 66,612,803 |
T. Rowe Price Investment Management, Inc. | 1,220,602 | 30 Dec 2023 | 1.94% | 53,291,483 |
Federated Hermes, Inc. | 1,060,526 | 30 Dec 2023 | 1.69% | 46,302,564 |
Darwin Global Management, Ltd. | 1,039,289 | 30 Dec 2023 | 1.65% | 45,375,357 |
Holder | Shares | Date reported | % out | Value |
---|---|---|---|---|
Price (T.Rowe) Health Sciences Fund | 1,068,007 | 30 Dec 2023 | 1.70% | 46,629,185 |
Price (T.Rowe) New Horizons Fund | 674,911 | 30 Dec 2023 | 1.07% | 29,466,614 |
Federated Hermes Kaufmann Fund | 555,000 | 30 Jan 2024 | 0.88% | 24,231,299 |
Alger Small Cap Focus Fund | 537,151 | 30 Jan 2024 | 0.85% | 23,452,012 |
Federated Hermes Kaufmann Small Cap Fund | 471,276 | 30 Jan 2024 | 0.75% | 20,575,910 |
Fidelity Blue Chip Growth Fund | 396,524 | 30 Mar 2024 | 0.63% | 17,312,237 |
Price (T.Rowe) Small Cap Stock Fund | 389,905 | 30 Dec 2023 | 0.62% | 17,023,252 |
Fidelity Select Portfolios - Biotechnology | 309,841 | 30 Mar 2024 | 0.49% | 13,527,658 |
AB Cap Fd.-AB Small Cap Growth Port | 296,269 | 30 Mar 2024 | 0.47% | 12,935,104 |
Fidelity Growth Company Fund | 292,425 | 30 Mar 2024 | 0.47% | 12,767,275 |