| BlackRock, Inc. | 9,390,112 | $910.6m | 0.0% |
| WASATCH ADVISORS LP | 3,531,594 | $342.5m | 2.2% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,448,748 | $334.4m | 0.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,823,033 | $273.7m | 0.0% |
| STATE STREET CORP | 2,520,170 | $244.4m | 0.0% |
| Conestoga Capital Advisors, LLC | 2,336,156 | $226.5m | 4.9% |
| T. Rowe Price Investment Management, Inc. | 2,078,022 | $201.5m | 0.1% |
| Capital International Investors | 2,054,399 | $199.2m | 0.0% |
| Capital Research Global Investors | 2,028,646 | $196.7m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,647,147 | $159.8m | 0.0% |
| JPMORGAN CHASE & CO | 1,544,116 | $145.9m | 0.0% |
| Invesco Ltd. | 1,459,009 | $141.5m | 0.0% |
| NEUBERGER BERMAN GROUP LLC | 1,434,463 | $139.1m | 0.1% |
| EARNEST PARTNERS LLC | 1,399,698 | $135.7m | 0.5% |
| WELLINGTON MANAGEMENT GROUP LLP | 1,292,101 | $125.3m | 0.0% |
| Clearbridge Investments, LLC | 1,219,835 | $118.3m | 0.1% |
| MORGAN STANLEY | 1,213,469 | $117.7m | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 1,184,196 | $114.8m | 0.0% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1,181,941 | $114.6m | 0.8% |
| Pictet Asset Management Holding SA | 1,052,330 | $102.0m | 0.1% |
| BAMCO INC /NY/ | 965,239 | $93.6m | 0.1% |
| GENEVA CAPITAL MANAGEMENT LLC | 911,153 | $88.4m | 2.0% |
| AMERICAN CENTURY COMPANIES INC | 862,452 | $83.6m | 0.0% |
| GOLDMAN SACHS GROUP INC | 826,971 | $80.2m | 0.0% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 812,525 | $78.8m | 0.3% |