| KIM, LLC | 15,780,426 | $135,711,664 | 13.70% |
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| Samjo Capital LLC | 3,015,000 | $25,929,000 | 10.20% |
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| AIGH Capital Management LLC | 1,752,022 | $15,067,389 | 7.13% |
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| GEORGE KAISER FAMILY FOUNDATION | 3,167,322 | $27,238,969 | 5.14% |
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| OAKTOP CAPITAL MANAGEMENT II, L.P. | 3,194,758 | $27,474,919 | 4.58% |
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| DLD Asset Management, LP | 3,166,000 | $41,317,549 | 4.44% |
|---|
| NEEDHAM INVESTMENT MANAGEMENT LLC | 2,528,300 | $21,743,380 | 3.70% |
|---|
| AMH Equity Ltd | 362,970 | $3,142,827 | 3.45% |
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| ARDSLEY ADVISORY PARTNERS LP | 1,545,000 | $13,287,000 | 2.97% |
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| Trellus Management Company, LLC | 220,000 | $1,892,000 | 2.60% |
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| Worth Venture Partners, LLC | 428,367 | $3,683,956 | 2.19% |
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| AWM Investment Company, Inc. | 1,661,580 | $14,289,588 | 2.11% |
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| ARDSLEY ADVISORY PARTNERS LP | 850,000 | $7,310,000 | 1.63% |
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| Telemark Asset Management, LLC | 1,250,000 | $10,750,000 | 1.63% |
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| Mesirow Financial Investment Management, Inc. | 38,791 | $333,603 | 1.45% |
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| Potomac Capital Management, Inc. | 117,226 | $1,008,144 | 1.29% |
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| Palogic Value Management, L.P. | 300,000 | $2,580,000 | 1.27% |
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| Redwood Investments, LLC | 729,423 | $6,273,038 | 0.85% |
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| ESSEX INVESTMENT MANAGEMENT CO LLC | 595,137 | $5,118,178 | 0.84% |
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| Penn Capital Management Company, LLC | 789,936 | $6,802,764 | 0.70% |
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