| BlackRock, Inc. | 20,842,155 | $674.7m | 0.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 12,841,357 | $415.7m | 0.0% |
| STATE STREET CORP | 6,137,138 | $198.6m | 0.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 5,680,918 | $183.9m | 0.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 5,325,298 | $172.4m | 0.0% |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 4,241,300 | $137.3m | 3.7% |
| FMR LLC | 3,510,085 | $113.6m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 3,405,660 | $110.3m | 0.0% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 3,358,416 | $108.7m | 0.0% |
| GOLDMAN SACHS GROUP INC | 3,006,288 | $97.3m | 0.0% |
| LOOMIS SAYLES & CO L P | 2,536,716 | $82.1m | 0.1% |
| AMERICAN CENTURY COMPANIES INC | 2,481,691 | $80.3m | 0.0% |
| RENAISSANCE TECHNOLOGIES LLC | 1,862,580 | $60.3m | 0.1% |
| MORGAN STANLEY | 1,808,176 | $58.5m | 0.0% |
| AMERIPRISE FINANCIAL INC | 1,699,543 | $55.0m | 0.0% |
| SOUTHERNSUN ASSET MANAGEMENT, LLC | 1,685,450 | $54.6m | 7.3% |
| Boston Partners | 1,673,962 | $54.3m | 0.0% |
| Trigran Investments, Inc. | 1,507,325 | $48.8m | 8.9% |
| Nuveen, LLC | 1,483,289 | $48.0m | 0.0% |
| NORTHERN TRUST CORP | 1,461,747 | $47.3m | 0.0% |
| Shannon River Fund Management LLC | 1,424,095 | $46.1m | 4.1% |
| BANK OF AMERICA CORP /DE/ | 1,406,591 | $45.5m | 0.0% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,380,240 | $44.7m | 0.0% |
| First Eagle Investment Management, LLC | 1,165,832 | $37.7m | 0.0% |
| PANAGORA ASSET MANAGEMENT INC | 1,031,475 | $33.4m | 0.1% |