| GAMCO INVESTORS, INC. ET AL | 3,936,001 | $56.1m | 0.5% |
| BlackRock, Inc. | 3,479,693 | $49.6m | 0.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,919,631 | $27.4m | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 1,784,117 | $25.4m | 0.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,765,747 | $25.2m | 0.0% |
| CAPITAL MANAGEMENT CORP /VA | 1,408,982 | $20.1m | 3.0% |
| Madison Avenue Partners, LP | 1,383,470 | $19.7m | 0.8% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,251,051 | $17.8m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,111,461 | $15.8m | 0.0% |
| GOLDMAN SACHS GROUP INC | 1,085,624 | $15.5m | 0.0% |
| GABELLI FUNDS LLC | 1,081,700 | $15.4m | 0.1% |
| STATE STREET CORP | 1,007,139 | $14.4m | 0.0% |
| Empyrean Capital Partners, LP | 944,493 | $13.5m | 0.4% |
| Converium Capital Inc. | 770,615 | $11.0m | 1.4% |
| PINNACLE ASSOCIATES LTD | 741,433 | $10.6m | 0.1% |
| Schonfeld Strategic Advisors LLC | 700,000 | $10.0m | 0.0% |
| FOURSIXTHREE CAPITAL LP | 578,451 | $8.2m | 1.7% |
| Bank of New York Mellon Corp | 437,753 | $6.2m | 0.0% |
| NORTHERN TRUST CORP | 393,830 | $5.6m | 0.0% |
| Allianz Asset Management GmbH | 327,655 | $4.6m | 0.0% |
| AQR CAPITAL MANAGEMENT LLC | 322,661 | $4.6m | 0.0% |
| MORGAN STANLEY | 313,646 | $4.5m | 0.0% |
| VANGUARD FIDUCIARY TRUST CO | 275,762 | $3.9m | 0.0% |
| Advisors Asset Management, Inc. | 224,549 | $3.2m | 0.0% |
| ExodusPoint Capital Management, LP | 220,783 | $3.1m | 0.0% |