OWNERSHIP SUMMARY

Top Holders

Holder Shares Held % O/S Share Change Filing Date
BlackRock Institutional Trust Company, N.A. 2,803,652 13.30 45,170 12/31/18
The Vanguard Group, Inc. 2,782,037 13.20 224,568 12/31/18
Dimensional Fund Advisors, L.P. 1,063,490 5.05 -140,525 12/31/18
Acadian Asset Management LLC 761,231 3.61 -4,486 12/31/18
Arthur Zaske & Associates, LLC 744,110 3.53 -339,322 12/31/17
Rothschild & Co Asset Management US INC. 625,645 2.97 131,806 12/31/18
State Street Global Advisors (US) 584,468 2.77 -12,238 12/31/18
RE Advisers Corporation 580,793 2.76 -250,437 12/31/18
Two Sigma Investments, LP 577,328 2.74 -53,577 12/31/18
Robeco Institutional Asset Management B.V. 563,119 2.67 420,991 12/31/18

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
iShares Core S&P Small-Cap ETF 1,029,642 4.88 -- 2/28/19
Vanguard Total Stock Market Index Fund 558,391 2.65 -- 2/28/19
Vanguard Small-Cap Index Fund 550,743 2.61 2,546 2/28/19
iShares Russell 2000 ETF 437,752 2.08 -19,893 2/28/19
Homestead Small Company Stock Fund 406,990 1.93 -250,437 12/31/18
Statens Pensjonsfond Utland 400,919 1.90 222,043 12/31/17
Baron Small Cap Fund 375,000 1.78 -11,191 12/31/18
iShares S&P Small-Cap 600 Growth ETF 318,310 1.51 -10,531 2/28/19
Vanguard Small-Cap Growth Index Fund 310,715 1.47 1,479 2/28/19
Vanguard Extended Market Index Fund 299,835 1.42 9,214 2/28/19

* Insider values reflect direct beneficial ownership.

Copyright Thomson Reuters Corporation