| Condire Management, LP | 6,358,877 | $50.0m | 5.3% |
| BlackRock, Inc. | 4,762,969 | $37.4m | 0.0% |
| AIP, LLC | 3,400,000 | $26.7m | 28.1% |
| Nantahala Capital Management, LLC | 3,395,452 | $26.7m | 0.4% |
| DIMENSIONAL FUND ADVISORS LP | 3,298,912 | $25.9m | 0.0% |
| Maple Rock Capital Partners Inc. | 3,256,889 | $25.6m | 0.5% |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,887,509 | $22.7m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,652,334 | $13.0m | 0.0% |
| D. E. Shaw & Co., Inc. | 1,642,553 | $12.9m | 0.0% |
| RENAISSANCE TECHNOLOGIES LLC | 1,559,314 | $12.3m | 0.0% |
| AMERICAN CENTURY COMPANIES INC | 1,559,199 | $12.3m | 0.0% |
| STATE STREET CORP | 1,404,835 | $11.0m | 0.0% |
| JPMORGAN CHASE & CO | 1,252,297 | $9.9m | 0.0% |
| MORGAN STANLEY | 1,217,596 | $9.6m | 0.0% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,127,484 | $8.9m | 0.0% |
| GOLDMAN SACHS GROUP INC | 792,426 | $6.2m | 0.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 683,016 | $5.4m | 0.0% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 670,363 | $5.3m | 0.1% |
| K2 PRINCIPAL FUND, L.P. | 615,738 | $4.8m | 0.4% |
| NORTHERN TRUST CORP | 599,197 | $4.7m | 0.0% |
| DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC | 503,260 | $4.0m | 0.2% |
| Hudson Bay Capital Management LP | 494,365 | $3.9m | 0.0% |
| Creek Drive Management Group LLC | 470,000 | $3.7m | 1.8% |
| VANGUARD FIDUCIARY TRUST CO | 446,748 | $3.5m | 0.0% |
| UBS Group AG | 426,054 | $3.3m | 0.0% |