| Jetstream Capital LLC | 35,000 | $8,723,750 | 16.95% |
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| DISCIPLINED GROWTH INVESTORS INC /MN | 2,955,521 | $736,663,609 | 16.62% |
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| Wolf Hill Capital Management, LP | 869,533 | $216,731,100 | 15.64% |
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| Herald Investment Management Ltd | 309,900 | $77,201,975 | 14.99% |
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| COWBIRD CAPITAL LP | 92,913 | $23,158,565 | 9.59% |
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| NEEDHAM INVESTMENT MANAGEMENT LLC | 218,500 | $54,461,125 | 8.97% |
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| FengHe Fund Management Pte. Ltd. | 175,200 | $43,668,600 | 8.64% |
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| Portolan Capital Management | 355,401 | $88,583,699 | 7.84% |
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| RBF Capital, LLC | 396,307 | $98,759,606 | 6.16% |
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| United Capital Management of KS, Inc. | 75,633 | $18,851,525 | 6.04% |
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| Analog Century Management LP | 84,240 | $20,996,820 | 5.83% |
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| IRONWOOD INVESTMENT MANAGEMENT LLC | 37,659 | $9,386,506 | 5.41% |
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| KEYSTONE INVESTORS PTE LTD | 123,453 | $30,770,660 | 5.34% |
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| HENNESSY ADVISORS INC | 218,800 | $54,535,900 | 3.93% |
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| APEIRON CAPITAL Ltd | 24,998 | $6,230,752 | 3.77% |
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| Castellan Group | 23,603 | $5,883,048 | 3.76% |
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| G2 Investment Partners Management LLC | 58,000 | $14,456,500 | 3.50% |
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| Franchise Capital Ltd | 37,932 | $9,455 | 2.96% |
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| SummerHaven Investment Management, LLC | 17,818 | $4,441,137 | 2.82% |
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| HIGHLAND PEAK CAPITAL, LLC | 25,129 | $6,263,403 | 2.76% |
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