| Miura Global Management | 260,000 | $5,514,600 | 3.77% |
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| Avenir Corp | 1,780,540 | $37,765,245 | 3.54% |
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| Lagoda Investment Management, L.P. | 228,595 | $4,848,500 | 3.18% |
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| Montanaro Asset Management Ltd | 848,250 | $17,991,383 | 3.16% |
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| Trigran Investments, Inc. | 1,333,585 | $28,285,338 | 3.01% |
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| ACK Asset Management | 877,400 | $18,610 | 2.70% |
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| Sargent Investment Group, LLC | 353,095 | $7,489,145 | 1.80% |
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| Pembroke Management, LTD | 548,031 | $11,623,738 | 1.59% |
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| ESSEX INVESTMENT MANAGEMENT CO LLC | 378,234 | $8,022,343 | 1.31% |
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| Mesirow Institutional Investment Management, Inc. | 592,076 | $12,557,932 | 1.27% |
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| Redmond Asset Management, LLC | 155,794 | $3,304,391 | 1.18% |
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| Brown Capital Management | 2,645,834 | $56,118,139 | 0.86% |
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| TEALWOOD ASSET MANAGEMENT INC | 55,952 | $1,187 | 0.61% |
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| Tilt Investment Management Holdings, PBC | 35,193 | $746,444 | 0.53% |
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| PIER 88 INVESTMENT PARTNERS LLC | 77,550 | $1,644,836 | 0.41% |
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| CHATHAM CAPITAL GROUP, INC. | 71,053 | $1,507,034 | 0.34% |
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| Potomac Capital Management, Inc. | 11,000 | $233,310 | 0.30% |
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| NEXT CENTURY GROWTH INVESTORS LLC | 124,529 | $2,641,260 | 0.29% |
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| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 53,614 | $1,137,153 | 0.23% |
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| Campbell & CO Investment Adviser LLC | 79,963 | $1,696,015 | 0.20% |
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