| ValueAct Holdings | 4,511,116 | $644,909,143 | 10.50% |
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| PARADIGM CAPITAL MANAGEMENT INC/NY | 609,550 | $87,141,268 | 5.78% |
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| 13D Management LLC | 77,287 | $11,048,949 | 5.61% |
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| SPEECE THORSON CAPITAL GROUP INC | 82,682 | $11,820 | 2.49% |
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| Engine Capital Management, LP | 52,711 | $7,536 | 2.22% |
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| Steamboat Capital Partners, LLC | 40,000 | $5,718,400 | 1.90% |
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| FIDUCIARY MANAGEMENT INC /WI/ | 1,083,831 | $154,944,480 | 1.57% |
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| Cascade Investment Advisors, Inc. | 12,470 | $1,782,711 | 1.41% |
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| JAMES INVESTMENT RESEARCH INC | 74,591 | $10,664 | 1.41% |
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| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 683,190 | $97,669 | 1.21% |
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| HANSEATIC MANAGEMENT SERVICES INC | 3,750 | $536 | 1.20% |
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| Legacy Bridge, LLC | 11,740 | $1,678,351 | 1.17% |
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| CHATHAM CAPITAL GROUP, INC. | 33,748 | $4,824,614 | 1.08% |
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| Aristotle Capital Boston, LLC | 243,112 | $34,755,292 | 1.07% |
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| Ziegler Capital Management, LLC | 116,490 | $16,653,945 | 0.66% |
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| FRONTIER CAPITAL MANAGEMENT CO LLC | 395,153 | $56,491,073 | 0.58% |
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| Bridgefront Capital, LLC | 5,561 | $795,001 | 0.48% |
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| Linden Thomas Advisory Services, LLC | 13,152 | $1,880,206 | 0.47% |
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| Riverwater Partners LLC | 3,262 | $466,336 | 0.43% |
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| EAM Investors, LLC | 14,054 | $2,009,160 | 0.40% |
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