| P.A.W. CAPITAL CORP | 1,200,000 | $7,560,000 | 20.43% |
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| AIGH Capital Management LLC | 2,100,000 | $13,230,000 | 6.26% |
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| LIGHT STREET CAPITAL MANAGEMENT, LLC | 1,896,908 | $11,950,520 | 3.52% |
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| INTREPID FAMILY OFFICE LLC | 325,000 | $2,047,500 | 3.28% |
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| Oak Grove Capital LLC | 1,157,619 | $7,293,000 | 2.54% |
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| Worth Venture Partners, LLC | 534,753 | $3,368,944 | 2.00% |
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| Granahan Investment Management | 8,079,195 | $50,898,929 | 1.81% |
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| Yiheng Capital Management, L.P. | 4,916,923 | $30,976,615 | 1.58% |
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| RK Capital | 954,900 | $6,015,870 | 1.42% |
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| Ionic Capital Management LLC | 890,600 | $5,610,780 | 1.37% |
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| Glaxis Capital Management, LLC | 30,000 | $189,000 | 1.20% |
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| B. Riley Asset Management, LLC | 399,142 | $2,514,595 | 1.00% |
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| Trellus Management Company, LLC | 110,000 | $693,000 | 0.95% |
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| Intrinsic Edge Capital Management LLC | 1,244,666 | $7,841,396 | 0.88% |
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| EMERALD MUTUAL FUND ADVISERS TRUST | 2,221,826 | $13,997,504 | 0.84% |
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| EMERALD ADVISERS, LLC | 2,768,582 | $17,442,067 | 0.84% |
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| Hood River Capital Management LLC | 3,914,939 | $24,664,116 | 0.79% |
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| Register Financial Advisors LLC | 123,040 | $775,152 | 0.57% |
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| WEALTH EFFECTS LLC | 176,300 | $1,110,690 | 0.55% |
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| GENERAL AMERICAN INVESTORS CO INC | 935,064 | $5,890,903 | 0.53% |
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