Ownership Summary

Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Security Benefit Life Insurance 4,069,324 14.14 -- 3/31/19
BlackRock Institutional Trust Company, N.A. 2,883,413 10.02 104,299 3/31/19
Tontine Asset Management, LLC 2,257,775 7.85 -184,041 3/31/19
Robotti & Company Advisors, LLC 2,010,443 6.99 -30,855 3/31/19
Dimensional Fund Advisors, L.P. 1,795,666 6.24 137,822 3/31/19
SBL, L.L.C. 1,629,954 5.67 -- 3/12/19
The Vanguard Group, Inc. 1,316,084 4.57 -13,440 3/31/19
Maple Rock Capital Partners, Inc. 954,500 3.32 -311,911 3/31/19
Greenwell (Daniel D) 607,325 2.11 -- 3/12/19
Behrman (Mark T) 572,084 1.99 -- 3/12/19

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
iShares Core S&P Small-Cap ETF 1,314,889 4.57 14,274 4/30/19
Vanguard Total Stock Market Index Fund 608,500 2.12 5,000 4/30/19
iShares Russell 2000 ETF 438,673 1.52 -16,362 4/30/19
iShares S&P Small-Cap 600 Value ETF 347,051 1.21 -1,254 4/30/19
DFA U.S. Small Cap Portfolio 336,844 1.17 -- 1/31/19
Vanguard Extended Market Index Fund 280,238 0.97 -- 4/30/19
DFA U.S. Core Equity 2 Portfolio 270,053 0.94 -- 1/31/19
Vanguard Tax-Managed Small-Cap Fund 252,762 0.88 -- 4/30/19
DFA U.S. Core Equity 1 Portfolio 232,564 0.81 -- 1/31/19
iShares Russell 2000 Value ETF 190,532 0.66 -6,760 4/30/19

* Insider values reflect direct beneficial ownership.

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