| BlackRock, Inc. | 7,553,895 | $323.1m | 0.0% |
| CONGRESS ASSET MANAGEMENT CO | 3,000,595 | $128.3m | 0.8% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2,582,839 | $110.5m | 0.0% |
| Driehaus Capital Management LLC | 2,499,689 | $106.9m | 0.6% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,211,159 | $94.6m | 0.0% |
| STATE STREET CORP | 1,890,902 | $80.9m | 0.0% |
| Thrivent Financial for Lutherans | 1,653,529 | $70.7m | 0.1% |
| Hood River Capital Management LLC | 1,558,008 | $66.6m | 0.5% |
| Praetorian PR LLC | 1,350,000 | $57.7m | 18.4% |
| WASATCH ADVISORS LP | 1,296,581 | $55.5m | 0.4% |
| DIMENSIONAL FUND ADVISORS LP | 1,287,425 | $55.1m | 0.0% |
| AMERICAN CENTURY COMPANIES INC | 1,260,541 | $53.9m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,239,433 | $53.0m | 0.0% |
| ROYCE & ASSOCIATES LP | 1,198,144 | $51.2m | 0.4% |
| Conestoga Capital Advisors, LLC | 1,181,460 | $50.5m | 1.1% |
| First Eagle Investment Management, LLC | 1,140,470 | $48.8m | 0.0% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 1,130,000 | $48.3m | 1.5% |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 1,096,078 | $46.9m | 2.3% |
| Alyeska Investment Group, L.P. | 1,075,771 | $46.0m | 0.1% |
| GILDER GAGNON HOWE & CO LLC | 1,041,404 | $44.5m | 0.5% |
| LORD, ABBETT & CO. LLC | 984,015 | $42.1m | 0.1% |
| Coliseum Capital Management, LLC | 971,440 | $41.5m | 3.6% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 956,449 | $40.9m | 0.0% |
| NEXT CENTURY GROWTH INVESTORS LLC | 949,379 | $40.6m | 2.2% |
| Shannon River Fund Management LLC | 890,113 | $38.1m | 3.4% |