| AIGH Capital Management LLC | 272,801 | $15,838,826 | 7.50% |
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| Global Alpha Capital Management Ltd. | 525,528 | $30,512,156 | 3.06% |
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| Rubric Capital Management LP | 847,011 | $49,177,459 | 1.84% |
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| Ranger Investment Management | 426,848 | $24,782,795 | 1.64% |
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| Parkman Healthcare Partners LLC | 111,802 | $6,491,224 | 1.19% |
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| MARATHON CAPITAL MANAGEMENT | 71,670 | $4,161,160 | 1.05% |
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| Mesirow Financial Investment Management, Inc. | 3,862 | $224,228 | 0.98% |
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| Deep Track Capital, LP | 400,000 | $23,224,000 | 0.90% |
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| 1492 Capital Management LLC | 18,178 | $1,055,415 | 0.68% |
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| Phocas Financial Corp. | 75,213 | $4,367,000 | 0.64% |
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| PERKINS CAPITAL MANAGEMENT INC | 9,191 | $534 | 0.53% |
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| EMERALD MUTUAL FUND ADVISERS TRUST | 145,276 | $8,434,725 | 0.51% |
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| Defender Capital, LLC. | 24,000 | $1,393,440 | 0.50% |
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| EMERALD ADVISERS, LLC | 174,277 | $10,118,523 | 0.49% |
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| Virtus Investment Advisers, Inc. | 12,319 | $715,241 | 0.49% |
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| Mitsubishi UFJ Asset Management (UK) Ltd. | 10,000 | $581 | 0.41% |
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| Hillsdale Investment Management Inc. | 69,600 | $4,040,976 | 0.37% |
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| Jackson Creek Investment Advisors LLC | 14,983 | $870 | 0.37% |
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| Virtus Fund Advisers, LLC | 870 | $50,512 | 0.36% |
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| Wakefield Asset Management LLLP | 12,350 | $717,041 | 0.32% |
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