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Ownership Summary

Top Holders

Holder Shares Held % O/S Share Change Filing Date
BlackRock Institutional Trust Company, N.A. 3,618,961 11.81 166,864 9/30/17
Dimensional Fund Advisors, L.P. 2,438,462 7.96 -91,549 9/30/17
The Vanguard Group, Inc. 1,590,379 5.19 44,389 9/30/17
Wellington Management Company, LLP 1,571,638 5.13 -165,000 9/30/17
Champlain Investment Partners, LLC 1,003,490 3.27 -431,393 9/30/17
Northern Trust Investments, Inc. 936,063 3.05 -2,590 9/30/17
Royce & Associates, LP 934,943 3.05 788,343 9/30/17
State Street Global Advisors (US) 805,790 2.63 -7,874 9/30/17
RBC Global Asset Management (U.S.) Inc. 789,134 2.58 -16,827 9/30/17
DePrince, Race & Zollo, Inc. 754,449 2.46 -534,545 9/30/17

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
iShares Core S&P Small-Cap ETF 1,448,828 4.73 111,047 12/31/17
Vanguard Total Stock Market Index Fund 704,722 2.30 22,050 12/31/17
DFA U.S. Small Cap Value Portfolio 656,279 2.14 49,961 7/31/17
iShares Russell 2000 ETF 608,558 1.99 -12,736 12/31/17
Northern Small Cap Value Fund 569,199 1.86 147,550 6/30/17
iShares S&P Small-Cap 600 Value ETF 429,379 1.40 38,189 12/31/17
Royce Opportunity Fund 422,900 1.38 422,900 9/30/17
Vanguard Extended Market Index Fund 393,743 1.29 1,859 12/31/17
American Beacon Small Cap Value Fund 368,226 1.20 -- 11/30/17
Legg Mason Royce US Small Cap Opportunity Fund 355,115 1.16 216,515 11/30/17

* Insider values reflect direct beneficial ownership.

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