PERKINS CAPITAL MANAGEMENT INC | 119,680 | $2,672 | 2.65% |
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SILVERARC CAPITAL MANAGEMENT, LLC | 239,571 | $5,349,620 | 1.62% |
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OBERWEIS ASSET MANAGEMENT INC/ | 597,540 | $13,343,068 | 1.42% |
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ARK Investment Management | 7,593,592 | $169,564,898 | 1.30% |
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Capital Impact Advisors, LLC | 32,969 | $736,198 | 1.23% |
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EFG Asset Management (North America) Corp. | 229,837 | $5,127,663 | 1.22% |
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Parkman Healthcare Partners LLC | 225,872 | $5,043,722 | 0.92% |
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Nikko Asset Management Americas, Inc. | 3,173,576 | $70,770,745 | 0.85% |
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Granite Investment Partners, LLC | 865,770 | $19,332,644 | 0.81% |
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ESSEX INVESTMENT MANAGEMENT CO LLC | 175,749 | $3,924,475 | 0.64% |
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ArrowMark Colorado Holdings LLC | 2,310,859 | $51,601,481 | 0.63% |
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AFFINITY INVESTMENT ADVISORS, LLC | 24,892 | $555,838 | 0.36% |
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Jackson Creek Investment Advisors LLC | 37,635 | $840 | 0.36% |
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Champlain Investment Partners, LLC | 2,304,200 | $51,452,786 | 0.33% |
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Virtus Fund Advisers, LLC | 2,059 | $45,977 | 0.33% |
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Atom Investors LP | 63,549 | $1,419,049 | 0.32% |
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Granahan Investment Management | 381,324 | $8,514,965 | 0.30% |
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Eventide Asset Management | 732,000 | $16,345,560 | 0.29% |
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GW&K Investment Management, LLC | 1,231,621 | $27,502 | 0.28% |
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AMI ASSET MANAGEMENT CORP | 195,583 | $4,367,375 | 0.27% |
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