Investors & Media

Ownership Profile

Ownership Profile

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Fidelity Management & Research Company 20,947,127 15.04 -- 3/31/20
The Vanguard Group, Inc. 12,053,561 8.65 87,169 3/31/20
Baillie Gifford & Co. 8,745,683 6.28 -44,342 3/31/20
Bellevue Asset Management AG 8,379,642 6.01 -52,178 3/31/20
ClearBridge Investments, LLC 8,034,264 5.77 86,688 3/31/20
BlackRock Institutional Trust Company, N.A. 6,704,413 4.81 -250,741 3/31/20
Biogen Inc 5,750,577 4.13 -5,750,576 12/31/19
Wellington Management Company, LLP 3,985,217 2.86 -2,752,639 3/31/20
State Street Global Advisors (US) 3,892,894 2.79 45,509 3/31/20
T. Rowe Price Associates, Inc. 3,762,445 2.70 1,898,009 3/31/20

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
Fidelity Growth Company Fund 8,221,964 5.89 -21,757 6/30/20
BB Biotech Fd 7,794,786 5.58 -112,469 6/30/20
Vanguard Total Stock Market Index Fund 3,787,517 2.71 129,330 6/30/20
Vanguard Small-Cap Index Fund 3,313,913 2.37 33,716 6/30/20
ClearBridge Aggressive Growth Fund 2,306,791 1.65 -- 6/30/20
Ivy Science and Technology Fund 2,022,117 1.45 -- 6/30/20
Vanguard Small-Cap Growth Index Fund 2,010,814 1.44 132,554 6/30/20
T. Rowe Price Mid-Cap Growth Fund 2,000,000 1.43 1,150,000 6/30/20
Fidelity Series Growth Company Fund 1,924,434 1.38 -- 6/30/20
Vanguard Extended Market Index Fund 1,812,843 1.30 -58,858 6/30/20

* Insider values reflect direct beneficial ownership.

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