| ValueAct Holdings | 4,511,630 | $656,442,165 | 14.75% |
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| 13D Management LLC | 83,953 | $12,215,162 | 7.60% |
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| PARADIGM CAPITAL MANAGEMENT INC/NY | 603,050 | $87,743,775 | 5.04% |
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| Hiddenite Capital Partners LP | 38,900 | $5,659,950 | 3.79% |
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| Engine Capital Management, LP | 52,711 | $7,669,451 | 1.71% |
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| Hiddenite Capital Partners LP | 17,500 | $2,546,250 | 1.70% |
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| Cascade Investment Advisors, Inc. | 10,375 | $1,509,563 | 1.19% |
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| Legacy Bridge, LLC | 11,165 | $1,624,508 | 1.16% |
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| Mesirow Institutional Investment Management, Inc. | 78,241 | $11,384,066 | 1.15% |
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| FIDUCIARY MANAGEMENT INC /WI/ | 770,251 | $112,071,520 | 1.14% |
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| HANSEATIC MANAGEMENT SERVICES INC | 3,812 | $554,646 | 1.03% |
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| JAMES INVESTMENT RESEARCH INC | 53,595 | $7,798,073 | 1.03% |
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| VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | 612,260 | $89,084 | 1.01% |
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| CHATHAM CAPITAL GROUP, INC. | 25,510 | $3,711,705 | 0.83% |
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| INCEPTIONR LLC | 7,348 | $1,069,134 | 0.61% |
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| KENNEDY CAPITAL MANAGEMENT LLC | 164,489 | $23,933,150 | 0.58% |
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| Aristotle Capital Boston, LLC | 119,029 | $17,318,720 | 0.56% |
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| Ziegler Capital Management, LLC | 93,794 | $13,646,897 | 0.55% |
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| SummerHaven Investment Management, LLC | 4,832 | $703,056 | 0.52% |
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| Nebula Research & Development LLC | 6,636 | $965,538 | 0.51% |
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