| GRACE & WHITE INC /NY | 1,782,073 | $8.6m | 1.4% |
| AIGH Capital Management LLC | 1,156,000 | $5.6m | 0.4% |
| VANGUARD CAPITAL MANAGEMENT LLC | 912,824 | $4.4m | 0.0% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 475,439 | $2.3m | 0.0% |
| BlackRock, Inc. | 389,947 | $1.9m | 0.0% |
| DIMENSIONAL FUND ADVISORS LP | 342,455 | $1.7m | 0.0% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 244,432 | $1.2m | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 240,136 | $1.2m | 0.0% |
| JANE STREET GROUP, LLC | 182,919 | $883,499 | 0.0% |
| Informed Momentum Co LLC | 176,250 | $851,288 | 0.1% |
| ACADIAN ASSET MANAGEMENT LLC | 164,477 | $794,000 | 0.0% |
| US BANCORP \DE\ | 160,128 | $773,418 | 0.0% |
| Aristides Capital LLC | 156,500 | $755,895 | 0.1% |
| RENAISSANCE TECHNOLOGIES LLC | 149,186 | $720,568 | 0.0% |
| RAYMOND JAMES FINANCIAL INC | 140,946 | $680,770 | 0.0% |
| VANGUARD FIDUCIARY TRUST CO | 126,503 | $611,009 | 0.0% |
| SIMPLEX TRADING, LLC | 113,080 | $546,176 | 0.0% |
| SEI INVESTMENTS CO | 104,414 | $504,320 | 0.0% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 94,671 | $457,261 | 0.1% |
| STATE STREET CORP | 79,215 | $382,608 | 0.0% |
| GOLDMAN SACHS GROUP INC | 71,733 | $346,470 | 0.0% |
| ALGERT GLOBAL LLC | 67,416 | $325,619 | 0.0% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 58,988 | $284,912 | 0.0% |
| GROUP ONE TRADING LLC | 58,168 | $280,951 | 0.0% |
| CITADEL ADVISORS LLC | 52,045 | $251,377 | 0.0% |