| IES Holdings, Inc. | 2,081,360 | $33.3m | 10.7% |
| BlackRock, Inc. | 1,483,279 | $23.7m | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 1,372,488 | $22.0m | 0.0% |
| ROYCE & ASSOCIATES LP | 1,296,607 | $20.8m | 0.2% |
| Encompass Capital Advisors LLC | 1,227,978 | $19.7m | 0.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | 831,102 | $13.3m | 0.0% |
| AMERICAN CENTURY COMPANIES INC | 706,357 | $11.3m | 0.0% |
| TWO SIGMA INVESTMENTS, LP | 530,264 | $8.5m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 492,573 | $7.9m | 0.0% |
| AQR CAPITAL MANAGEMENT LLC | 477,628 | $7.6m | 0.0% |
| CSM Advisors, LLC | 469,929 | $7.5m | 0.2% |
| STATE STREET CORP | 415,620 | $6.7m | 0.0% |
| MORGAN STANLEY | 404,501 | $6.5m | 0.0% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 389,976 | $6.2m | 0.1% |
| MILLENNIUM MANAGEMENT LLC | 348,599 | $5.6m | 0.0% |
| ACADIAN ASSET MANAGEMENT LLC | 341,989 | $5.5m | 0.0% |
| 4D Advisors, LLC | 325,000 | $5.2m | 2.0% |
| CITADEL ADVISORS LLC | 315,131 | $5.0m | 0.0% |
| RENAISSANCE TECHNOLOGIES LLC | 308,583 | $4.9m | 0.0% |
| ALGERT GLOBAL LLC | 297,581 | $4.8m | 0.1% |
| BANK OF AMERICA CORP /DE/ | 297,170 | $4.8m | 0.0% |
| Bank of New York Mellon Corp | 260,115 | $4.2m | 0.0% |
| Nuveen, LLC | 255,257 | $4.1m | 0.0% |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 245,275 | $3.9m | 0.0% |
| FRANKLIN RESOURCES INC | 244,899 | $3.9m | 0.0% |