Ownership Summary

Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
Robotti & Company Advisors, LLC 1,783,481 6.08 202,264 9/30/20
SBL, L.L.C. 1,345,999 4.59 -283,955 3/16/20
Dimensional Fund Advisors, L.P. 1,257,539 4.29 -302,311 9/30/20
The Vanguard Group, Inc. 1,006,147 3.43 -26,566 9/30/20
Maple Rock Capital Partners, Inc. 954,500 3.26 -- 9/30/20
Behrman (Mark T) 931,892 3.18 -- 3/16/20
Renaissance Technologies LLC 814,056 2.78 194,273 9/30/20
Millennium Management LLC 789,390 2.69 -121,484 9/30/20
Eidelman Virant Capital 652,300 2.23 35,000 9/30/20
Golsen (Barry H) 520,295 1.77 -- 3/16/20

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
Vanguard Total Stock Market Index Fund 640,312 2.18 -20,463 10/31/20
DFA U.S. Small Cap Portfolio 355,512 1.21 -- 7/31/20
Vanguard Extended Market Index Fund 291,929 1.00 -- 10/31/20
DFA U.S. Core Equity 2 Portfolio 236,964 0.81 -33,089 7/31/20
DFA U.S. Core Equity 1 Portfolio 191,190 0.65 -41,374 7/31/20
DFA U.S. Targeted Value Portfolio 153,438 0.52 -- 7/31/20
Bridgeway Ultra-Small Company Market Fund 149,000 0.51 -- 9/30/20
Royce Micro-Cap Trust 135,800 0.46 -- 6/30/20
Invesco FTSE RAFI US 1500 Small-Mid ETF 115,628 0.39 -1,452 10/31/20
Fidelity Extended Market Index Fund 104,556 0.36 -- 9/30/20

* Insider values reflect direct beneficial ownership.

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