| NEEDHAM INVESTMENT MANAGEMENT LLC | 885,000 | $29,346,600 | 2.41% |
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| AWM Investment Company, Inc. | 364,794 | $12,096,569 | 1.63% |
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| Herald Investment Management Ltd | 200,000 | $6,616,000 | 1.08% |
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| BEACONLIGHT CAPITAL, LLC | 67,221 | $2,229,048 | 1.00% |
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| Millrace Asset Group, Inc. | 28,710 | $952 | 0.92% |
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| Numerai GP LLC | 64,750 | $2,147,110 | 0.78% |
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| Bruce & Co., Inc. | 70,000 | $2,321,200 | 0.76% |
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| Brown Capital Management | 1,065,081 | $35,318,086 | 0.71% |
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| IRONWOOD INVESTMENT MANAGEMENT LLC | 31,965 | $1,059,959 | 0.57% |
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| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 86,806 | $2,878,000 | 0.45% |
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| Bouvel Investment Partners, LLC | 24,491 | $812,122 | 0.31% |
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| GSA CAPITAL PARTNERS LLP | 67,608 | $2,242 | 0.16% |
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| HARBOR INVESTMENT ADVISORY, LLC | 43,111 | $1,429,561 | 0.15% |
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| BAKER TILLY WEALTH MANAGEMENT, LLC | 8,491 | $281,562 | 0.12% |
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| SCOUT INVESTMENTS, INC. | 123,819 | $4,105,838 | 0.11% |
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| ASHFORD CAPITAL MANAGEMENT INC | 23,550 | $780,918 | 0.10% |
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| PINNACLE ASSOCIATES LTD | 149,346 | $4,952,313 | 0.08% |
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| Redwood Wealth Management Group, LLC | 2,948 | $97,756 | 0.07% |
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| RICE HALL JAMES & ASSOCIATES, LLC | 34,562 | $1,146,076 | 0.07% |
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| KENNEDY CAPITAL MANAGEMENT LLC | 96,041 | $3,184,720 | 0.07% |
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