| Penbrook Management LLC | 43,590 | $7,107,350 | 5.21% |
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| OBERWEIS ASSET MANAGEMENT INC/ | 193,559 | $31,559,795 | 3.35% |
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| Castellan Group | 28,875 | $4,708,069 | 3.31% |
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| Bridge City Capital, LLC | 23,426 | $3,819,609 | 1.93% |
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| G2 Investment Partners Management LLC | 47,335 | $7,717,972 | 1.88% |
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| Hood River Capital Management LLC | 346,501 | $56,496,988 | 1.81% |
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| CROWN ADVISORS MANAGEMENT, INC. | 15,000 | $2,445 | 1.74% |
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| Whale Rock Capital Management | 517,062 | $84,306,959 | 1.70% |
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| Lisanti Capital Growth, LLC | 64,545 | $10,524,062 | 1.66% |
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| HANSEATIC MANAGEMENT SERVICES INC | 4,956 | $808,076 | 1.50% |
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| Senvest Management, LLC | 197,806 | $32,252,268 | 1.25% |
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| Virtus Investment Advisers, Inc. | 10,820 | $1,764,201 | 1.20% |
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| Pier Capital, LLC | 45,380 | $7,399,209 | 1.19% |
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| Firsthand Capital Management, Inc. | 5,000 | $815,250 | 1.18% |
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| NEUMEIER POMA INVESTMENT COUNSEL LLC | 71,585 | $11,671,934 | 1.14% |
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| CFM WEALTH PARTNERS LLC | 26,575 | $4,333,054 | 1.14% |
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| Redwood Investments, LLC | 50,645 | $8,257,667 | 1.12% |
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| Horizon Investment Services, LLC | 11,035 | $1,799,257 | 1.08% |
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| DRIEHAUS CAPITAL MANAGEMENT LLC | 483,526 | $78,838,914 | 1.02% |
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| Virtus Fund Advisers, LLC | 748 | $121,961 | 0.86% |
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