0.47% | % of shares held by all insiders |
99.64% | % of shares held by institutions |
100.11% | % of float held by institutions |
379 | Number of institutions holding shares |
Holder | Shares | Date reported | % out | Value |
---|---|---|---|---|
Baker Brothers Advisors, LLC | 42,864,612 | 30 Dec 2023 | 25.95% | 732,127,569 |
Vanguard Group Inc | 13,396,009 | 30 Dec 2023 | 8.11% | 228,803,832 |
Blackrock Inc. | 11,410,483 | 30 Dec 2023 | 6.91% | 194,891,048 |
RTW Investments LP | 11,253,551 | 30 Dec 2023 | 6.81% | 192,210,650 |
State Street Corporation | 6,465,026 | 30 Dec 2023 | 3.91% | 110,422,643 |
EcoR1 Capital, LLC | 5,991,479 | 30 Dec 2023 | 3.63% | 102,334,460 |
FMR, LLC | 5,265,358 | 30 Dec 2023 | 3.19% | 89,932,314 |
Price (T.Rowe) Associates Inc | 5,178,509 | 30 Dec 2023 | 3.13% | 88,448,933 |
Shaw D.E. & Co., Inc. | 3,754,598 | 30 Dec 2023 | 2.27% | 64,128,533 |
Fred Alger Management, LLC | 3,176,775 | 30 Dec 2023 | 1.92% | 54,259,316 |
Holder | Shares | Date reported | % out | Value |
---|---|---|---|---|
Vanguard Total Stock Market Index Fund | 3,848,269 | 30 Dec 2023 | 2.33% | 65,728,434 |
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF | 3,276,988 | 30 Mar 2024 | 1.98% | 55,970,954 |
Vanguard Small-Cap Index Fund | 3,135,062 | 30 Dec 2023 | 1.90% | 53,546,858 |
iShares Russell 2000 ETF | 2,992,287 | 30 Mar 2024 | 1.81% | 51,108,261 |
Vanguard Extended Market Index Fund | 1,763,882 | 30 Dec 2023 | 1.07% | 30,127,104 |
Vanguard Small-Cap Growth Index Fund | 1,746,142 | 30 Dec 2023 | 1.06% | 29,824,105 |
Price (T.Rowe) New Horizons Fund | 1,705,113 | 30 Dec 2023 | 1.03% | 29,123,329 |
Fidelity Growth Company Fund | 1,552,556 | 28 Feb 2024 | 0.94% | 26,517,656 |
First Trust NYSE Arca Biotechnology Index Fund | 1,380,676 | 28 Feb 2024 | 0.84% | 23,581,945 |
Fidelity Small Cap Index Fund | 1,237,874 | 28 Feb 2024 | 0.75% | 21,142,887 |