OWNERSHIP SUMMARY

Top Holders

Holder Shares Held % O/S Share Change Filing Date
The Vanguard Group, Inc. 2,882,535 13.90 100,498 3/31/19
BlackRock Institutional Trust Company, N.A. 2,743,221 13.23 -60,431 3/31/19
Millennium Management LLC 1,077,986 5.20 503,046 4/11/19
Dimensional Fund Advisors, L.P. 1,036,199 5.00 -27,291 3/31/19
Two Sigma Investments, LP 756,279 3.65 178,951 3/31/19
Arthur Zaske & Associates, LLC 744,110 3.59 -339,322 12/31/17
Marshall Wace LLP 720,074 3.47 414,379 3/31/19
Neuberger Berman, LLC 717,915 3.46 289,372 3/31/19
Arrowstreet Capital, Limited Partnership 682,822 3.29 280,903 3/31/19
Rothschild & Co Asset Management US INC. 628,789 3.03 3,144 3/31/19

Top Holders: Mutual Funds

Fund Shares Held % O/S Share Change Filing Date
iShares Core S&P Small-Cap ETF 1,029,642 4.97 -- 4/30/19
Vanguard Total Stock Market Index Fund 576,235 2.78 -- 4/30/19
Vanguard Small-Cap Index Fund 558,667 2.69 6,584 4/30/19
iShares Russell 2000 ETF 428,458 2.07 -14,130 4/30/19
Fidelity Series Small Cap Opportunities Fund 419,100 2.02 419,100 1/31/19
Homestead Small Company Stock Fund 406,990 1.96 -250,437 12/31/18
Statens Pensjonsfond Utland 400,919 1.93 -- 12/31/18
Baron Small Cap Fund 375,000 1.81 -11,191 12/31/18
iShares S&P Small-Cap 600 Growth ETF 319,280 1.54 1,741 4/30/19
Vanguard Small-Cap Growth Index Fund 315,480 1.52 3,358 4/30/19

* Insider values reflect direct beneficial ownership.

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