| Portolan Capital Management, LLC | 1,551,113 | $8.1m | 0.3% |
| VANGUARD CAPITAL MANAGEMENT LLC | 788,670 | $4.1m | 0.0% |
| BARD ASSOCIATES INC | 682,221 | $3.6m | 0.8% |
| Clear Harbor Asset Management, LLC | 650,000 | $3.4m | 0.2% |
| HERALD INVESTMENT MANAGEMENT Ltd | 420,000 | $2.2m | 0.3% |
| GRATIA CAPITAL, LLC | 388,660 | $2.0m | 1.2% |
| UBS Group AG | 363,049 | $1.9m | 0.0% |
| Meros Investment Management, LP | 353,487 | $1.8m | 0.6% |
| Palisades Investment Partners, LLC | 323,090 | $1.7m | 0.5% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 315,831 | $1.6m | 0.0% |
| MORGAN STANLEY | 301,695 | $1.6m | 0.0% |
| RAYMOND JAMES FINANCIAL INC | 290,260 | $1.5m | 0.0% |
| BlackRock, Inc. | 251,464 | $1.3m | 0.0% |
| CITADEL ADVISORS LLC | 242,276 | $1.3m | 0.0% |
| Huntleigh Advisors, Inc. | 220,074 | $1.1m | 0.2% |
| HEARTLAND ADVISORS INC | 182,100 | $950,562 | 0.0% |
| GEODE CAPITAL MANAGEMENT, LLC | 180,870 | $944,802 | 0.0% |
| THOMPSON DAVIS & CO., INC. | 144,840 | $755,856 | 0.5% |
| NEW YORK STATE COMMON RETIREMENT FUND | 137,200 | $716,184 | 0.0% |
| GSA CAPITAL PARTNERS LLP | 126,451 | $660,000 | 0.0% |
| Arosa Capital Management LP | 125,000 | $652,500 | 0.1% |
| Integrated Wealth Concepts LLC | 112,080 | $585,058 | 0.0% |
| Apis Capital Advisors, LLC | 112,000 | $584,640 | 0.1% |
| VANGUARD FIDUCIARY TRUST CO | 105,956 | $553,090 | 0.0% |
| GOLDMAN SACHS GROUP INC | 69,530 | $362,946 | 0.0% |