| Altai Capital Management | 2,300,000 | $34,132 | 25.53% |
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| Legion Partners Asset Management, LLC | 3,476,631 | $51,593,204 | 15.08% |
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| Washington Harbour Partners LP | 340,673 | $5,055,587 | 10.08% |
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| Soviero Asset Management, LP | 130,000 | $1,929,200 | 0.96% |
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| OBERWEIS ASSET MANAGEMENT INC/ | 416,845 | $6,185,980 | 0.75% |
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| Herald Investment Management Ltd | 200,000 | $2,960,000 | 0.58% |
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| ARTHUR M. COHEN & ASSOCIATES, LLC | 134,474 | $1,995,594 | 0.50% |
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| Ancora Advisors LLC | 1,097,857 | $16,292,198 | 0.43% |
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| B. Riley Asset Management, LLC | 78,218 | $1,160,755 | 0.43% |
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| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 109,960 | $1,631,806 | 0.31% |
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| Diametric Capital, LP | 12,773 | $189,551 | 0.08% |
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| Kovack Advisors, Inc. | 39,000 | $578,760 | 0.07% |
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| KENNEDY CAPITAL MANAGEMENT LLC | 155,104 | $2,301,743 | 0.05% |
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| Mirae Asset Global Investments Co., Ltd. | 1,609,888 | $23,890,738 | 0.05% |
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| SEGALL BRYANT & HAMILL, LLC | 257,660 | $3,823,675 | 0.04% |
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| OCCUDO QUANTITATIVE STRATEGIES LP | 15,936 | $236,490 | 0.02% |
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| Register Financial Advisors LLC | 2,000 | $29,680 | 0.02% |
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| Neuberger Berman Group LLC | 1,585,458 | $23,533,161 | 0.02% |
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| Headlands Technologies LLC | 4,291 | $63,678 | 0.02% |
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| FIRST TRUST ADVISORS LP | 1,094,122 | $16,236,770 | 0.02% |
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