| Senvest Management, LLC | 4,371,160 | $82,658,636 | 3.21% |
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| Yelin Lapidot Holdings Management Ltd. | 393,608 | $4,397,201 | 2.62% |
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| Granahan Investment Management | 2,386,174 | $45,122,550 | 1.61% |
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| G2 Investment Partners Management LLC | 347,500 | $6,571,225 | 1.60% |
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| AMERICAN CAPITAL MANAGEMENT INC | 2,199,543 | $41,593,358 | 1.60% |
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| Chicago Capital, LLC | 1,660,074 | $31,392,000 | 1.47% |
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| Taylor Frigon Capital Management LLC | 137,460 | $2,599,369 | 1.44% |
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| THOMPSON INVESTMENT MANAGEMENT, INC. | 337,682 | $6,385,567 | 1.14% |
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| ESSEX INVESTMENT MANAGEMENT CO LLC | 264,951 | $5,010,223 | 0.82% |
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| Y.D. More Investments Ltd | 148,906 | $2,815,812 | 0.54% |
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| Live Oak Investment Partners | 30,815 | $582,708 | 0.50% |
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| Leisure Capital Management | 45,611 | $862,505 | 0.50% |
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| RIVERBRIDGE PARTNERS LLC | 1,735,947 | $32,826,766 | 0.48% |
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| MEITAV INVESTMENT HOUSE LTD | 1,457,402 | $26,900,535 | 0.44% |
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| DUDLEY & SHANLEY, INC. | 117,220 | $2,216,630 | 0.42% |
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| Stephens Investment Management Group LLC | 1,183,918 | $22,387,889 | 0.37% |
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| Harel Insurance Investments & Financial Services Ltd. | 922,442 | $17,443 | 0.34% |
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| MARATHON CAPITAL MANAGEMENT | 65,845 | $1,245,129 | 0.31% |
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| Kranot Hishtalmut Le Morim Tichoniim Havera Menahelet LTD | 75,923 | $1,401,469 | 0.30% |
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| Kranot Hishtalmut Le Morim Ve Gananot Havera Menahelet LTD | 206,392 | $3,809,806 | 0.28% |
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