| JACOB ASSET MANAGEMENT OF NEW YORK LLC | 284,610 | $4,067,077 | 4.58% |
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| First Light Asset Management, LLC | 1,871,799 | $26,748,008 | 2.10% |
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| G2 Investment Partners Management LLC | 401,982 | $5,744,323 | 1.39% |
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| PERKINS CAPITAL MANAGEMENT INC | 101,863 | $1,456 | 1.27% |
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| Bullseye Asset Management LLC | 122,588 | $1,752 | 0.88% |
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| AWM Investment Company, Inc. | 445,268 | $6,362,880 | 0.86% |
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| Avenir Corp | 381,660 | $5,453,921 | 0.48% |
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| RICE HALL JAMES & ASSOCIATES, LLC | 392,994 | $5,615,884 | 0.32% |
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| Nebula Research & Development LLC | 13,675 | $195,416 | 0.15% |
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| S Squared Technology, LLC | 17,021 | $243,230 | 0.12% |
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| GREENWOOD CAPITAL ASSOCIATES LLC | 48,466 | $692,579 | 0.10% |
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| Clearstead Trust, LLC | 19,445 | $284,480 | 0.09% |
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| GSA CAPITAL PARTNERS LLP | 62,327 | $891 | 0.09% |
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| KORNITZER CAPITAL MANAGEMENT INC /KS | 225,489 | $3,222,238 | 0.06% |
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| BLAIR WILLIAM & CO/IL | 845,816 | $12,086,709 | 0.04% |
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| WASATCH ADVISORS LP | 458,641 | $6,553,980 | 0.04% |
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| CONNORS INVESTOR SERVICES INC | 18,500 | $264 | 0.03% |
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| State of Wyoming | 5,760 | $82,310 | 0.02% |
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| Premier Fund Managers Ltd | 35,415 | $503 | 0.02% |
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| Point72 Asset Management, L.P. | 461,716 | $6,597,918 | 0.02% |
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