| Name | Hold | Shares | Value | Type | 
|---|---|---|---|---|
| Senvest Management LLC | 8.67% | 3,972,255 | $56.64M | Institution | 
| Morgan Stanley | 6.70% | 3,066,891 | $43.73M | Institution | 
| Chicago Capital LLC | 6.69% | 3,064,751 | $43.70M | Institution | 
| Artisan Partners Limited Partnership | 6.07% | 2,778,422 | $39.62M | Institution | 
| Hood River Capital Management LLC | 4.77% | 2,182,569 | $31.12M | Institution | 
| Disciplined Growth Investors Inc | 4.33% | 1,982,486 | $28.27M | Institution | 
| Blackrock Inc | 4.14% | 1,896,592 | $27.05M | Institution | 
| Granahan Investment Management LLC | 3.99% | 1,829,431 | $26.09M | Institution | 
| Riverbridge Partners LLC | 3.36% | 1,538,229 | $21.94M | Institution | 
| Stephens Investment Management Group LLC | 3.33% | 1,526,904 | $21.77M | Institution |