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
Greenwell (Daniel D) 607,325 2.11 -- 3/12/19
Behrman (Mark T) 591,384 2.05 19,300 8/2/19

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
iShares Core S&P Small-Cap ETF 1,388,230 4.82 23,257 10/31/19
Vanguard Total Stock Market Index Fund 681,035 2.37 -- 10/31/19
iShares Russell 2000 ETF 468,241 1.63 -9,296 10/31/19
iShares S&P Small-Cap 600 Value ETF 365,869 1.27 -11,570 10/31/19
DFA U.S. Small Cap Portfolio 357,060 1.24 5,600 7/31/19
Vanguard Extended Market Index Fund 291,929 1.01 -- 10/31/19
DFA U.S. Core Equity 2 Portfolio 270,053 0.94 -- 7/31/19
DFA U.S. Core Equity 1 Portfolio 232,564 0.81 -- 7/31/19
iShares Russell 2000 Value ETF 224,268 0.78 -1,898 10/31/19
DFA U.S. Small Cap Value Portfolio 198,866 0.69 4,990 7/31/19

* Insider values reflect direct beneficial ownership.

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