| FIL Ltd | 2,200,000 | $17,270 |
| GAGNON SECURITIES LLC | 1,944,061 | $15,300 |
| Rosalind Advisors, Inc. | 1,068,955 | $8,413 |
| ROYCE & ASSOCIATES LP | 990,348 | $7,771 |
| Timelo Investment Management Inc. | 979,967 | $7,712 |
| LETKO, BROSSEAU & ASSOCIATES INC | 970,675 | $7,627 |
| Gagnon Advisors, LLC | 962,186 | $7,572 |
| Alyeska Investment Group, L.P. | 678,570 | $5,340 |
| MMCAP International Inc. SPC | 531,362 | $4,182 |
| ROYAL BANK OF CANADA | 473,218 | $3,725 |
| Ring Mountain Capital, LLC | 454,080 | $4 |
| ARDSLEY ADVISORY PARTNERS LP | 450,000 | $3,542 |
| First Eagle Investment Management, LLC | 312,707 | $2,461 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 309,604 | $2,437 |
| DAFNA Capital Management LLC | 285,710 | $2,249 |
| Velan Capital Investment Management LP | 285,710 | $2,249 |
| Bleichroeder LP | 254,753 | $2,005 |
| THOMPSON DAVIS & CO., INC. | 216,735 | $1,706 |
| FORMULA GROWTH LTD | 202,918 | $1,597 |
| NATIONAL BANK OF CANADA /FI/ | 189,510 | $1,422 |
| Empery Asset Management, LP | 143,532 | $1,130 |
| RAYMOND JAMES FINANCIAL INC | 135,285 | $1,065 |
| Zweig-DiMenna Associates LLC | 130,000 | $1,023 |
| PERKINS CAPITAL MANAGEMENT INC | 114,280 | $899 |
| Connective Capital Management, LLC | 100,000 | $787 |
| CM Management, LLC | 80,000 | $630 |
| TD Waterhouse Canada Inc. | 77,493 | $582 |
| Dauntless Investment Group, LLC | 75,577 | $595 |
| TRUIST FINANCIAL CORP | 50,000 | $394 |
| HOHIMER WEALTH MANAGEMENT, LLC | 50,000 | $394 |
| SEI INVESTMENTS CO | 49,463 | $389 |
| T3 Companies, LLC | 48,000 | $378 |
| Northwest & Ethical Investments L.P. | 38,200 | $300 |
| Quadrature Capital Ltd | 32,574 | $256 |
| Evernest Financial Advisors, LLC | 31,500 | $205 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 28,853 | $227 |
| MILLENNIUM MANAGEMENT LLC | 26,824 | $211 |
| CORSAIR CAPITAL MANAGEMENT, L.P. | 26,420 | $208 |
| Warberg Asset Management LLC | 21,000 | $165 |
| GOLDMAN SACHS GROUP INC | 18,727 | $147 |
| MTM Investment Management, LLC | 16,875 | $133 |
| Focus Partners Wealth | 16,722 | $132 |
| GEODE CAPITAL MANAGEMENT, LLC | 14,049 | $111 |
| BANK OF MONTREAL /CAN/ | 11,742 | $92 |
| PenderFund Capital Management Ltd. | 9,400 | $74 |
| Rockefeller Capital Management L.P. | 6,654 | $52 |
| UBS Group AG | 5,505 | $43 |
| WELLS FARGO & COMPANY/MN | 4,992 | $39 |
| BlackRock, Inc. | 4,670 | $37 |
| MCF Advisors LLC | 2,000 | $16 |
| SOA Wealth Advisors, LLC. | 2,000 | $16 |
| MORGAN STANLEY | 1,929 | $15 |
| IFP Advisors, Inc | 1,200 | $9 |
| JONES FINANCIAL COMPANIES LLLP | 1,000 | $8 |
| SIMPLEX TRADING, LLC | 597 | $5 |
| Rachor Investment Advisory Services, LLC | 297 | $2 |
| BANK OF AMERICA CORP /DE/ | 96 | $1 |
| OSAIC HOLDINGS, INC. | 75 | $1 |
| Allworth Financial LP | 48 | $0 |
| Parallel Advisors, LLC | 30 | $0 |
| CITIGROUP INC | 1 | $0 |