Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
BlackRock Institutional Trust Company, N.A. 4,305,913 9.43 65,558 3/31/19
The Vanguard Group, Inc. 3,887,644 8.51 16,476 3/31/19
Hammer (Neil Robert) 2,440,153 5.34 -3,549 2/14/19
Renaissance Technologies LLC 1,860,087 4.07 123,500 3/31/19
Mackenzie Financial Corporation 1,490,374 3.26 102,095 3/31/19
AllianceBernstein L.P. 1,275,058 2.79 284,579 3/31/19
State Street Global Advisors (US) 1,270,481 2.78 43,059 3/31/19
Goldman Sachs Asset Management (US) 1,136,539 2.49 21,369 3/31/19
Elliott Management Corporation 895,308 1.96 -802,060 3/31/19
ETF Managers Group, LLC 841,400 1.84 -48,849 3/31/19

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
Vanguard Total Stock Market Index Fund 1,121,263 2.45 1,663 4/30/19
iShares Core S&P Mid-Cap ETF 1,116,916 2.45 2,990 4/30/19
Vanguard Small-Cap Index Fund 1,078,058 2.36 6,936 4/30/19
Mackenzie US Mid Cap Growth Class 940,660 2.06 -- 12/31/18
ETFMG Prime Cyber Security ETF 847,394 1.86 5,994 4/30/19
iShares Russell 2000 ETF 823,874 1.80 -30,594 4/30/19
Goldman Sachs Small Cap Value Fund 663,703 1.45 -4,012 3/31/19
Statens Pensjonsfond Utland 622,010 1.36 19,478 12/31/18
Vanguard Small-Cap Growth Index Fund 612,487 1.34 6,088 4/30/19
Vanguard Extended Market Index Fund 540,372 1.18 -4,650 4/30/19

* Insider values reflect direct beneficial ownership.

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