| AWM Investment Company, Inc. | 9,399,297 | $46,056,555 | 6.25% |
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| Fund 1 Investments, LLC | 1,910,578 | $9,361,832 | 3.86% |
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| Manatuck Hill Partners, LLC | 996,500 | $4,882,850 | 2.32% |
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| Pacific Ridge Capital Partners, LLC | 1,586,588 | $7,774,281 | 1.77% |
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| Wolf Hill Capital Management, LP | 4,831,340 | $23,673,566 | 1.71% |
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| Newtyn Management, LLC | 1,100,000 | $5,390,000 | 1.27% |
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| 1492 Capital Management LLC | 134,663 | $659,849 | 0.38% |
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| Hillsdale Investment Management Inc. | 825,327 | $4,044,103 | 0.37% |
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| Capital Advisory Group Advisory Services, LLC | 98,100 | $481 | 0.34% |
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| OBERWEIS ASSET MANAGEMENT INC/ | 415,700 | $2,036,930 | 0.25% |
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| CenterBook Partners LP | 297,250 | $1,456,525 | 0.18% |
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| GLOBEFLEX CAPITAL L P | 179,234 | $878,247 | 0.10% |
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| DENALI ADVISORS LLC | 42,500 | $208,250 | 0.07% |
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| ROYCE & ASSOCIATES LP | 1,307,500 | $6,406,750 | 0.06% |
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| State of Wyoming | 41,885 | $205,237 | 0.06% |
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| Portolan Capital Management | 127,693 | $625,696 | 0.06% |
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| GYROSCOPE CAPITAL MANAGEMENT GROUP, LLC | 42,000 | $205,800 | 0.05% |
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| Shay Capital LLC | 69,325 | $339,693 | 0.05% |
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| Mount Yale Investment Advisors, LLC | 75,001 | $367,505 | 0.04% |
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| Campbell & CO Investment Adviser LLC | 40,537 | $198,631 | 0.04% |
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