| BlackRock, Inc. | 4,798,035 | $778.4m | 0.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2,395,681 | $388.7m | 0.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2,222,445 | $360.6m | 0.0% |
| Allspring Global Investments Holdings, LLC | 1,817,594 | $297.5m | 0.5% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,606,928 | $260.7m | 0.0% |
| STATE STREET CORP | 1,436,785 | $233.0m | 0.0% |
| Conestoga Capital Advisors, LLC | 1,217,963 | $197.6m | 4.3% |
| GEODE CAPITAL MANAGEMENT, LLC | 987,728 | $160.3m | 0.0% |
| CONGRESS ASSET MANAGEMENT CO | 973,767 | $158.0m | 1.0% |
| GW&K Investment Management, LLC | 897,268 | $145.6m | 1.1% |
| BAMCO INC /NY/ | 850,494 | $138.0m | 0.2% |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 765,867 | $124.3m | 0.4% |
| WASATCH ADVISORS LP | 759,992 | $123.3m | 0.8% |
| GENEVA CAPITAL MANAGEMENT LLC | 758,878 | $123.1m | 2.8% |
| AMERICAN CENTURY COMPANIES INC | 717,287 | $116.4m | 0.1% |
| JPMORGAN CHASE & CO | 688,712 | $108.9m | 0.0% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 685,752 | $108.2m | 0.1% |
| DIMENSIONAL FUND ADVISORS LP | 665,515 | $108.0m | 0.0% |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 646,599 | $104.9m | 0.2% |
| Mawer Investment Management Ltd. | 589,573 | $95.7m | 0.7% |
| NORTHERN TRUST CORP | 528,831 | $85.8m | 0.0% |
| T. Rowe Price Investment Management, Inc. | 512,734 | $83.2m | 0.1% |
| BROWN ADVISORY INC | 508,984 | $82.6m | 0.1% |
| SEI INVESTMENTS CO | 507,534 | $82.3m | 0.1% |
| MORGAN STANLEY | 470,778 | $76.4m | 0.0% |