Ownership Summary

Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Security Benefit Life Insurance 4,069,324 14.14 -- 9/30/19
BlackRock Institutional Trust Company, N.A. 3,057,664 10.62 110,578 9/30/19
Robotti & Company Advisors, LLC 2,031,425 7.06 66,626 9/30/19
Dimensional Fund Advisors, L.P. 1,865,369 6.48 10,516 9/30/19
SBL, L.L.C. 1,629,954 5.66 -- 3/12/19
Tontine Asset Management, LLC 1,422,625 4.94 -295,098 9/30/19
The Vanguard Group, Inc. 1,179,418 4.10 -171,914 9/30/19
Maple Rock Capital Partners, Inc. 954,500 3.32 -- 9/30/19
Behrman (Mark T) 944,077 3.28 352,693 12/31/19
Greenwell (Daniel D) 607,325 2.11 -- 3/12/19

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
iShares Core S&P Small-Cap ETF 1,468,542 5.10 56,450 12/31/19
Vanguard Total Stock Market Index Fund 681,035 2.37 -- 12/31/19
iShares Russell 2000 ETF 483,845 1.68 8,051 12/31/19
iShares S&P Small-Cap 600 Value ETF 388,767 1.35 18,893 12/31/19
DFA U.S. Small Cap Portfolio 365,062 1.27 8,002 10/31/19
Vanguard Extended Market Index Fund 291,929 1.01 -- 12/31/19
DFA U.S. Core Equity 2 Portfolio 270,053 0.94 -- 10/31/19
DFA U.S. Small Cap Value Portfolio 262,664 0.91 63,798 10/31/19
DFA U.S. Core Equity 1 Portfolio 232,564 0.81 -- 10/31/19
iShares Russell 2000 Value ETF 223,830 0.78 1,460 12/31/19

* Insider values reflect direct beneficial ownership.

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