| Anson Funds Management LP | 16,341,063 | $47,225,672 | 7.84% |
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| Murchinson Ltd. | 15,000,000 | $43,350,000 | 5.50% |
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| Taylor Frigon Capital Management LLC | 908,675 | $2,626,071 | 1.28% |
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| Clearline Capital LP | 4,373,507 | $12,639,435 | 0.73% |
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| Firsthand Capital Management, Inc. | 200,000 | $578,000 | 0.69% |
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| MMCAP International Inc. SPC | 537,602 | $1,553,670 | 0.51% |
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| BOOTHBAY FUND MANAGEMENT, LLC | 7,500,000 | $21,675,000 | 0.48% |
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| MYDA Advisors LLC | 530,000 | $1,531,700 | 0.46% |
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| AlphaCentric Advisors LLC | 250,000 | $722,500 | 0.40% |
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| Cowen Investment Management LLC | 160,000 | $462,400 | 0.28% |
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| AWM Investment Company, Inc. | 663,126 | $1,916,434 | 0.26% |
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| Yorktown Management & Research Co Inc | 57,800 | $167,042 | 0.18% |
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| BARD ASSOCIATES INC | 145,200 | $419,628 | 0.16% |
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| Faithward Advisors, LLC | 192,011 | $551,072 | 0.13% |
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| Arete Wealth Advisors, LLC | 413,514 | $1,195 | 0.11% |
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| ARK Investment Management | 2,625,167 | $7,586,733 | 0.05% |
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| Patriot Financial Group Insurance Agency, LLC | 51,350 | $148,402 | 0.03% |
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| Koshinski Asset Management, Inc. | 70,130 | $202,676 | 0.02% |
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| MARATHON CAPITAL MANAGEMENT | 30,000 | $86,700 | 0.02% |
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| SHEETS SMITH WEALTH MANAGEMENT | 35,000 | $101,150 | 0.02% |
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