| ValueAct Holdings | 4,511,630 | $660,231,934 | 10.26% |
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| 13D Management LLC | 75,232 | $11,009,451 | 6.01% |
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| PARADIGM CAPITAL MANAGEMENT INC/NY | 609,150 | $89,143,011 | 5.10% |
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| SPEECE THORSON CAPITAL GROUP INC | 67,664 | $9,902 | 2.03% |
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| Engine Capital Management, LP | 52,711 | $7,714 | 1.87% |
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| Cascade Investment Advisors, Inc. | 12,545 | $1,835,835 | 1.37% |
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| FIDUCIARY MANAGEMENT INC /WI/ | 869,702 | $127,272,191 | 1.29% |
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| DELPHI MANAGEMENT INC /MA/ | 8,302 | $1,215 | 1.26% |
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| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 714,205 | $104,516 | 1.16% |
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| Mesirow Institutional Investment Management, Inc. | 75,359 | $11,028,036 | 1.14% |
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| Legacy Bridge, LLC | 11,240 | $1,644,862 | 1.10% |
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| HANSEATIC MANAGEMENT SERVICES INC | 3,789 | $554 | 1.02% |
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| JAMES INVESTMENT RESEARCH INC | 54,412 | $7,962,652 | 1.02% |
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| CHATHAM CAPITAL GROUP, INC. | 25,655 | $3,754,353 | 0.79% |
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| Ziegler Capital Management, LLC | 94,157 | $13,778,562 | 0.53% |
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| Aristotle Capital Boston, LLC | 118,528 | $17,345,388 | 0.52% |
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| FRONTIER CAPITAL MANAGEMENT CO LLC | 322,619 | $47,212,064 | 0.45% |
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| Redwood Investment Management, LLC | 27,766 | $4,150 | 0.43% |
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| INCEPTIONR LLC | 4,690 | $686,335 | 0.37% |
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| Olympiad Research LP | 2,212 | $323,704 | 0.32% |
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