| Portolan Capital Management, LLC | 1,623,925 | $13.7m | 0.5% |
| Nantahala Capital Management, LLC | 1,526,892 | $12.8m | 0.2% |
| Tieton Capital Management, LLC | 757,476 | $6.4m | 1.8% |
| FIRST MANHATTAN CO. LLC. | 750,000 | $6.3m | 0.0% |
| Pacific Ridge Capital Partners, LLC | 705,344 | $5.9m | 1.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | 500,395 | $4.2m | 0.0% |
| ACADIAN ASSET MANAGEMENT LLC | 429,610 | $3.6m | 0.0% |
| RENAISSANCE TECHNOLOGIES LLC | 418,206 | $3.5m | 0.0% |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 366,689 | $3.1m | 0.0% |
| AQR CAPITAL MANAGEMENT LLC | 357,665 | $3.0m | 0.0% |
| Quantinno Capital Management LP | 289,195 | $2.4m | 0.0% |
| BlackRock, Inc. | 270,105 | $2.3m | 0.0% |
| Ancora Advisors LLC | 269,891 | $2.3m | 0.0% |
| ArrowMark Colorado Holdings LLC | 231,808 | $1.9m | 0.1% |
| DIMENSIONAL FUND ADVISORS LP | 211,963 | $1.8m | 0.0% |
| SEI INVESTMENTS CO | 200,406 | $1.7m | 0.0% |
| Russell Investments Group, Ltd. | 199,012 | $1.7m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 169,088 | $1.4m | 0.0% |
| JANE STREET GROUP, LLC | 168,333 | $1.4m | 0.0% |
| MORGAN STANLEY | 163,788 | $1.4m | 0.0% |
| TWO SIGMA INVESTMENTS, LP | 132,202 | $1.1m | 0.0% |
| Nierenberg Investment Management Company, LLC | 131,110 | $1.1m | 0.5% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 123,617 | $1.0m | 0.0% |
| KESTREL INVESTMENT MANAGEMENT CORP | 91,500 | $769,515 | 0.4% |
| Trexquant Investment LP | 76,916 | $646,864 | 0.0% |