Media & Investors

Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
PRIMECAP Management Company 9,456,100 13.42 -31,900 3/31/20
BVF Partners L.P. 7,090,638 10.07 -2,469,004 5/26/20
Federated Global Investment Management Corp. 6,934,600 9.84 -- 3/31/20
Point72 Asset Management, L.P. 4,225,000 6.00 3,219,020 3/31/20
BlackRock Institutional Trust Company, N.A. 3,403,988 4.97 108,605 3/31/20
The Vanguard Group, Inc. 2,456,268 3.49 132,061 3/31/20
Delphi Ventures L.P. 2,426,702 3.82 -- 12/31/19
Advanced Technology Ventures 2,110,082 3.92 -- 3/31/19
Dimensional Fund Advisors, L.P. 1,601,309 2.27 87,682 3/31/20
Renaissance Technologies LLC 1,110,089 1.58 -92,922 3/31/20

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
PRIMECAP Odyssey Aggressive Growth Fund 6,325,200 8.98 -- 3/31/20
Federated Kaufmann Small Cap Fund 3,750,500 5.32 -- 3/31/20
Vanguard US Opportunities Fund 3,162,800 4.49 3,162,800 12/31/19
Federated Kaufmann Fund 3,100,000 4.40 -- 3/31/20
Vanguard Total Stock Market Index Fund 1,409,585 2.00 -- 3/31/20
iShares Russell 2000 ETF 1,199,174 1.70 65,545 4/30/20
Vanguard Extended Market Index Fund 783,970 1.11 119,860 3/31/20
iShares Russell 2000 Value ETF 484,274 0.69 -302 4/30/20
DFA U.S. Small Cap Portfolio 408,899 0.58 2,651 1/31/20
DFA U.S. Targeted Value Portfolio 349,946 0.50 -- 1/31/20

* Insider values reflect direct beneficial ownership.

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