| Roumell Asset Management, LLC | 193,562 | $3,193,773 | 6.28% |
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| STALEY CAPITAL ADVISERS INC | 2,300,000 | $37,950,000 | 2.04% |
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| Capital Impact Advisors, LLC | 43,377 | $715,721 | 0.79% |
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| Granahan Investment Management | 881,644 | $14,547,126 | 0.45% |
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| Hillsdale Investment Management Inc. | 287,338 | $4,741,077 | 0.44% |
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| Values First Advisors, Inc. | 42,702 | $704,590 | 0.42% |
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| Aristotle Capital Boston, LLC | 703,625 | $11,609,813 | 0.35% |
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| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 345,000 | $5,692,500 | 0.35% |
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| RICE HALL JAMES & ASSOCIATES, LLC | 209,022 | $3,448,859 | 0.20% |
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| Campbell & CO Investment Adviser LLC | 56,698 | $935,517 | 0.17% |
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| DENALI ADVISORS LLC | 24,900 | $410,850 | 0.14% |
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| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1,115,746 | $18,409,809 | 0.13% |
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| North Star Investment Management Corp. | 84,975 | $1,402,088 | 0.11% |
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| Penserra Capital Management LLC | 286,462 | $4,726 | 0.09% |
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| Investors Research Corp | 22,425 | $370,013 | 0.09% |
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| XTX Topco Ltd | 20,158 | $332,607 | 0.06% |
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| State of Wyoming | 10,100 | $166,650 | 0.05% |
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| Renaissance Technologies | 1,854,804 | $30,604 | 0.04% |
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| Petrus Trust Company, LTA | 22,881 | $377,537 | 0.04% |
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| MOODY NATIONAL BANK TRUST DIVISION | 30,746 | $507,309 | 0.04% |
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