Ownership Summary

Top Holders
 Shares Held% O/SShare ChangeFiling Date
Siemer (Arnold B)2,126,5646.9-881,12312/31/17
Renaissance Technologies LLC2,040,8736.7218,77312/31/17
Royce & Associates, LP2,014,2836.63,10012/31/17
Dimensional Fund Advisors, L.P.1,634,9385.332,77012/31/17
BlackRock Institutional Trust Company, N.A.1,212,3214.0-82,33712/31/17
The Vanguard Group, Inc.1,203,5293.960,35512/31/17
Numeric Investors LLC1,121,5753.7-343,89712/31/17
Eagle Boston Investment Management, Inc.1,070,5923.546,91212/31/17
Aristotle Capital Boston, LLC974,0083.295,95812/31/17
Millennium Management LLC685,9552.2580,38512/31/17
Ownership data based on most recent publicly available data according to Thomson Reuters.
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