Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
BlackRock Institutional Trust Company, N.A. 4,728,441 10.15 -116,284 3/31/20
Starboard Value LP 4,616,000 9.91 -- 4/9/20
The Vanguard Group, Inc. 4,069,901 8.73 47,753 3/31/20
AllianceBernstein L.P. 3,513,360 7.54 999,127 3/31/20
Hammer (Neil Robert) 2,544,789 5.57 104,636 5/31/19
Renaissance Technologies LLC 2,230,687 4.79 -271,700 3/31/20
Mackenzie Financial Corporation 2,203,961 4.73 15,600 3/31/20
Citadel Advisors LLC 1,440,099 3.09 522,089 3/31/20
State Street Global Advisors (US) 1,356,566 2.91 36,373 3/31/20
D. E. Shaw & Co., L.P. 1,096,113 2.35 -124,296 3/31/20

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
Mackenzie US Mid Cap Growth Class 1,625,241 3.52 -- 12/31/19
Vanguard Total Stock Market Index Fund 1,201,118 2.60 13,788 3/31/20
iShares Core S&P Mid-Cap ETF 1,155,347 2.50 3,257 5/31/20
Vanguard Small-Cap Index Fund 1,067,967 2.31 -495 2/29/20
iShares Russell 2000 ETF 894,655 1.94 -40,836 4/30/20
db x-trackers S&P 500 UCITS ETF 866,492 1.88 415,997 4/30/20
AB Discovery Value Fund 854,287 1.85 -- 4/30/20
ETFMG Prime Cyber Security ETF 819,832 1.78 2,574 5/31/20
Glenmede Small Cap Equity Portfolio 643,698 1.39 72,718 10/31/19
Vanguard Small-Cap Growth Index Fund 611,222 1.32 -6,783 2/29/20

* Insider values reflect direct beneficial ownership.

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