| Kopion Asset Management, LLC | 288,527 | $8,266,299 | 5.87% |
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| Whetstone Capital Advisors, LLC | 396,160 | $11,350 | 5.27% |
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| RGM Capital, LLC | 2,978,677 | $85,339,096 | 3.42% |
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| S Squared Technology, LLC | 176,339 | $5,052,112 | 2.23% |
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| G2 Investment Partners Management LLC | 223,000 | $6,388,950 | 1.66% |
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| Millrace Asset Group, Inc. | 55,555 | $1,592 | 1.54% |
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| Conestoga Capital Advisors, LLC | 3,263,974 | $93,512,855 | 1.40% |
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| Bullseye Asset Management LLC | 89,470 | $2,564 | 1.26% |
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| Tensile Capital Management | 245,311 | $7,028,160 | 0.78% |
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| Brown Capital Management | 1,167,580 | $33,451,167 | 0.68% |
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| Granahan Investment Management | 524,772 | $15,034,718 | 0.60% |
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| Stephens Investment Management Group LLC | 1,270,606 | $36,402,862 | 0.51% |
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| Crawford Fund Management, LLC | 64,700 | $1,853,655 | 0.47% |
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| FRED ALGER MANAGEMENT, LLC | 2,919,116 | $83,632,673 | 0.41% |
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| RICE HALL JAMES & ASSOCIATES, LLC | 224,164 | $6,422,299 | 0.38% |
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| PIER 88 INVESTMENT PARTNERS LLC | 46,500 | $1,332,225 | 0.30% |
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| DISCIPLINED GROWTH INVESTORS INC /MN | 523,456 | $14,997,014 | 0.28% |
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| K2 PRINCIPAL FUND, L.P. | 52,518 | $1,504,641 | 0.28% |
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| Ranger Investment Management | 136,435 | $3,908,863 | 0.27% |
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| Kings Path Partners LLC | 13,695 | $392,362 | 0.18% |
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