Investors & Media

Ownership Profile

Ownership Profile

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Fidelity Management & Research Company LLC 20,925,034 14.86 71,082 12/31/20
T. Rowe Price Associates, Inc. 13,114,967 9.31 2,382,942 12/31/20
The Vanguard Group, Inc. 12,244,388 8.69 254,358 12/31/20
Bellevue Asset Management AG 9,050,092 6.42 333,822 12/31/20
BlackRock Institutional Trust Company, N.A. 7,901,739 5.61 1,084,069 12/31/20
ClearBridge Investments, LLC 6,915,147 4.91 -358,218 12/31/20
Biogen Inc 5,750,577 4.08 -5,750,576 12/31/19
State Street Global Advisors (US) 3,913,328 2.78 358,434 12/31/20
Invesco Advisers, Inc. 3,228,145 2.29 684,094 12/31/20
ARK Investment Management LLC 2,399,554 1.70 1,896,994 12/31/20

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
BB Biotech Fd 8,199,913 5.82 405,127 9/30/20
Fidelity Growth Company Fund 7,887,155 5.60 65,582 2/28/21
ARK Genomic Revolution ETF 5,110,608 3.63 1,134,792 3/31/21
Vanguard Total Stock Market Index Fund 3,765,304 2.67 16,886 3/31/21
T. Rowe Price Mid-Cap Growth Fund 3,750,000 2.66 -- 3/31/21
Vanguard Small-Cap Index Fund 3,266,351 2.32 63,885 3/31/21
ClearBridge Aggressive Growth Fund 2,306,791 1.64 -- 6/30/20
Vanguard Small-Cap Growth Index Fund 2,134,255 1.52 65,684 3/31/21
Ivy Science and Technology Fund 2,011,125 1.43 -- 12/31/20
Vanguard Extended Market Index Fund 1,983,796 1.41 2,643 3/31/21

* Insider values reflect direct beneficial ownership.

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