| 1 | WYNNEFIELD CAPITAL INC | 433,605 | $2.1M | 1.18% | Share |
| 2 | ARS Investment Partners, LLC | 314,908 | $1.5M | 0.09% | Share |
| 3 | VANGUARD GROUP INC | 274,403 | $1.3M | 0.00% | Share |
| 4 | Potomac Capital Management, Inc. | 249,561 | $1.2M | 0.97% | Share |
| 5 | PERRITT CAPITAL MANAGEMENT INC | 115,731 | $558K | 0.93% | Share |
| 6 | COMMONS CAPITAL, LLC | 69,413 | $335K | 0.22% | Share |
| 7 | VANGUARD GROUP INC | 53,166 | $256K | 0.00% | Share |
| 8 | Diversify Advisory Services, LLC | 29,038 | $145K | 0.00% | Share |
| 9 | North Star Investment Management Corp. | 21,000 | $101K | 0.01% | Share |
| 10 | VANGUARD GROUP INC | 2,591 | $12K | 0.00% | Share |
| 11 | ARMSTRONG ADVISORY GROUP, INC | 625 | $3K | 0.00% | Share |
| 12 | CALDWELL SUTTER CAPITAL, INC. | 750 | $3K | 0.00% | Share |
| 13 | STATE STREET CORP | 47,400 | $0 | 0.00% | Share |
| 14 | JANE STREET GROUP, LLC | 8,035 | $0 | 0.00% | Share |
| 15 | JANE STREET GROUP, LLC | 5,172 | $0 | 0.00% | Share |
| 16 | NewEdge Advisors, LLC | 53,327 | $0 | 0.00% | Share |
| 17 | BANK OF AMERICA CORP /DE/ | 23 | $0 | 0.00% | Share |
| 18 | NORTHERN TRUST CORP | 19,448 | $0 | 0.00% | Share |
| 19 | BlackRock, Inc. | 19,984 | $0 | 0.00% | Share |
| 20 | BANK OF AMERICA CORP /DE/ | 78 | $0 | 0.00% | Share |
| 21 | CITIGROUP INC | 1 | $0 | 0.00% | Share |
| 22 | DIMENSIONAL FUND ADVISORS LP | 2,318 | $0 | 0.00% | Share |
| 23 | GOLDMAN SACHS GROUP INC | 10,512 | $0 | 0.00% | Share |
| 24 | GEODE CAPITAL MANAGEMENT, LLC | 77,230 | $0 | 0.00% | Share |
| 25 | GEODE CAPITAL MANAGEMENT, LLC | 18,825 | $0 | 0.00% | Share |
| 26 | HBK Sorce Advisory LLC | 25,000 | $0 | 0.00% | Share |
| 27 | ROYAL BANK OF CANADA | 3 | $0 | 0.00% | Share |
| 28 | CITADEL ADVISORS LLC | 64 | $0 | 0.00% | Share |
| 29 | CITADEL ADVISORS LLC | 19,012 | $0 | 0.00% | Share |
| 30 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 24,206 | $0 | 0.00% | Share |
| 31 | Tower Research Capital LLC (TRC) | 670 | $0 | 0.00% | Share |
| 32 | DIMENSIONAL FUND ADVISORS LP | 15,513 | $0 | 0.00% | Share |
| 33 | Kingsview Wealth Management, LLC | 16,200 | $0 | 0.00% | Share |