| BlackRock, Inc. | 7,010,187 | $463.7m | 0.0% |
| FMR LLC | 3,213,969 | $212.6m | 0.0% |
| WASATCH ADVISORS LP | 2,255,360 | $149.2m | 1.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,094,091 | $138.5m | 0.0% |
| STATE STREET CORP | 1,847,940 | $122.3m | 0.0% |
| WELLINGTON MANAGEMENT GROUP LLP | 1,844,963 | $122.0m | 0.0% |
| Driehaus Capital Management LLC | 1,503,177 | $99.4m | 0.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,379,689 | $91.3m | 0.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,244,889 | $82.3m | 0.0% |
| CONGRESS ASSET MANAGEMENT CO | 1,207,102 | $79.8m | 0.5% |
| AMERIPRISE FINANCIAL INC | 1,146,654 | $75.8m | 0.0% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1,137,802 | $75.3m | 0.2% |
| D. E. Shaw & Co., Inc. | 1,104,020 | $73.0m | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 1,098,490 | $72.7m | 0.0% |
| LOOMIS SAYLES & CO L P | 1,001,278 | $66.2m | 0.1% |
| JANE STREET GROUP, LLC | 927,278 | $61.3m | 0.0% |
| BANK OF AMERICA CORP /DE/ | 857,603 | $56.7m | 0.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 739,487 | $48.9m | 0.0% |
| Invesco Ltd. | 690,799 | $45.7m | 0.0% |
| GOLDMAN SACHS GROUP INC | 673,665 | $44.6m | 0.0% |
| LORD, ABBETT & CO. LLC | 653,666 | $43.2m | 0.1% |
| TWO SIGMA INVESTMENTS, LP | 648,091 | $42.9m | 0.0% |
| GW&K Investment Management, LLC | 528,872 | $35.0m | 0.3% |
| NORTHERN TRUST CORP | 512,696 | $33.9m | 0.0% |
| MORGAN STANLEY | 449,443 | $29.7m | 0.0% |