Ownership Summary

Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Security Benefit Life Insurance 4,069,324 14.14 -- 6/30/19
BlackRock Institutional Trust Company, N.A. 2,947,086 10.24 63,673 6/30/19
Robotti & Company Advisors, LLC 1,964,799 6.83 -45,644 6/30/19
Dimensional Fund Advisors, L.P. 1,854,853 6.44 59,187 6/30/19
Tontine Asset Management, LLC 1,717,723 5.97 -540,052 6/30/19
SBL, L.L.C. 1,629,954 5.66 -- 3/12/19
The Vanguard Group, Inc. 1,351,332 4.69 35,248 6/30/19
Maple Rock Capital Partners, Inc. 954,500 3.32 -- 6/30/19
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 1,360,968 4.73 600 8/31/19
Vanguard Total Stock Market Index Fund 681,035 2.37 -- 8/31/19
iShares Russell 2000 ETF 426,361 1.48 -21,303 8/31/19
DFA U.S. Small Cap Portfolio 351,460 1.22 14,616 4/30/19
iShares S&P Small-Cap 600 Value ETF 339,109 1.18 -2,090 8/31/19
Vanguard Extended Market Index Fund 291,929 1.01 11,691 8/31/19
DFA U.S. Core Equity 2 Portfolio 270,053 0.94 -- 4/30/19
DFA U.S. Core Equity 1 Portfolio 232,564 0.81 -- 4/30/19
iShares Russell 2000 Value ETF 217,406 0.76 1,752 8/31/19
DFA U.S. Small Cap Value Portfolio 193,876 0.67 30,054 4/30/19

* Insider values reflect direct beneficial ownership.

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