Ownership Summary

Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Security Benefit Life Insurance 4,069,324 14.14 -- 12/31/19
BlackRock Institutional Trust Company, N.A. 3,233,633 11.23 175,969 12/31/19
Dimensional Fund Advisors, L.P. 1,883,889 6.55 18,520 12/31/19
Robotti & Company Advisors, LLC 1,675,145 5.82 -356,280 12/31/19
SBL, L.L.C. 1,629,954 5.66 -- 3/12/19
Tontine Asset Management, LLC 1,494,800 5.19 72,175 12/31/19
Goldman Sachs & Company, Inc. 1,204,059 4.18 1,204,059 12/31/19
The Vanguard Group, Inc. 1,202,811 4.18 23,393 12/31/19
Behrman (Mark T) 931,892 3.24 -12,185 2/18/20
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 1,478,402 5.04 -2,176 2/29/20
Vanguard Total Stock Market Index Fund 681,035 2.32 -- 2/29/20
iShares Russell 2000 ETF 453,716 1.55 7,387 2/29/20
iShares S&P Small-Cap 600 Value ETF 382,313 1.30 -3,227 2/29/20
DFA U.S. Small Cap Portfolio 365,062 1.24 8,002 10/31/19
Vanguard Extended Market Index Fund 291,929 1.00 -- 2/29/20
DFA U.S. Core Equity 2 Portfolio 270,053 0.92 -- 10/31/19
DFA U.S. Small Cap Value Portfolio 262,664 0.90 63,798 10/31/19
DFA U.S. Core Equity 1 Portfolio 232,564 0.79 -- 10/31/19
iShares Russell 2000 Value ETF 219,304 0.75 -584 2/29/20

* Insider values reflect direct beneficial ownership.

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