| MAK CAPITAL ONE LLC | 3,795,915 | $260,551,606 | 49.39% |
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| Nine Ten Capital Management LLC | 823,604 | $56,532,000 | 18.98% |
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| AltraVue Capital, LLC | 391,517 | $26,873,725 | 3.16% |
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| Roubaix Capital, LLC | 34,595 | $2,374,601 | 1.74% |
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| SNYDER CAPITAL MANAGEMENT L P | 758,391 | $52,055,958 | 1.11% |
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| G2 Investment Partners Management LLC | 66,241 | $4,546,782 | 1.10% |
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| NEXT CENTURY GROWTH INVESTORS LLC | 137,579 | $9,443,422 | 0.91% |
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| Legato Capital Management LLC | 73,250 | $5,027,880 | 0.68% |
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| Granite Investment Partners, LLC | 240,883 | $16,534,209 | 0.66% |
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| Bares Capital Management | 270,000 | $18,532,800 | 0.64% |
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| DRIEHAUS CAPITAL MANAGEMENT LLC | 734,489 | $50,415,325 | 0.64% |
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| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 140,860 | $9,668,630 | 0.59% |
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| ALBERT D MASON INC | 11,890 | $816 | 0.56% |
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| CRAMER ROSENTHAL MCGLYNN LLC | 150,826 | $10,352,697 | 0.52% |
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| Hillsdale Investment Management Inc. | 69,285 | $4,755,723 | 0.44% |
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| GENEVA CAPITAL MANAGEMENT LLC | 276,461 | $18,976,260 | 0.37% |
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| EMERALD ADVISERS, LLC | 121,269 | $8,323,904 | 0.36% |
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| Harvest Investment Services, LLC | 8,290 | $569,026 | 0.32% |
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| THORNBURG INVESTMENT MANAGEMENT INC | 280,766 | $19,272 | 0.31% |
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| FRED ALGER MANAGEMENT, LLC | 872,536 | $59,890,871 | 0.31% |
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