| FMR LLC | 2,684,363 | $21,206 |
| Herald Investment Management Ltd | 1,440,000 | $11,333 |
| Polar Asset Management Partners Inc. | 1,174,800 | $9,281 |
| THOMPSON SIEGEL & WALMSLEY LLC | 629,873 | $5 |
| CITADEL ADVISORS LLC | 546,849 | $4,320 |
| WealthTrust Axiom LLC | 505,854 | $3,996 |
| Caldwell Investment Management Ltd. | 398,000 | $3,084 |
| Penbrook Management LLC | 349,861 | $2,764 |
| Conestoga Capital Advisors, LLC | 263,320 | $2,080 |
| TANAKA CAPITAL MANAGEMENT INC | 253,930 | $2 |
| MARSHALL WACE, LLP | 223,897 | $1,769 |
| BANK OF AMERICA CORP /DE/ | 220,699 | $1,744 |
| Granahan Investment Management, LLC | 194,961 | $1,540 |
| Triasima Portfolio Management inc. | 162,522 | $1,285 |
| MORGAN STANLEY | 154,062 | $1,217 |
| Huntleigh Advisors, Inc. | 149,613 | $1,182 |
| Mink Brook Asset Management LLC | 110,000 | $869 |
| FIRST TRUST ADVISORS LP | 105,996 | $837 |
| OSAIC HOLDINGS, INC. | 105,544 | $834 |
| XTX Topco Ltd | 101,056 | $798 |
| Quadrature Capital Ltd | 97,593 | $771 |
| BNP PARIBAS ARBITRAGE, SA | 90,456 | $715 |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 88,419 | $700 |
| LAZARD ASSET MANAGEMENT LLC | 86,347 | $682 |
| RAYMOND JAMES FINANCIAL INC | 69,764 | $551 |
| JANE STREET GROUP, LLC | 66,084 | $522 |
| GOLDMAN SACHS GROUP INC | 63,110 | $499 |
| DIMENSIONAL FUND ADVISORS LP | 48,925 | $386 |
| MILLENNIUM MANAGEMENT LLC | 48,879 | $386 |
| TWO SIGMA INVESTMENTS, LP | 48,144 | $380 |
| HARBOR CAPITAL ADVISORS, INC. | 47,917 | $0 |
| Point72 Asset Management, L.P. | 41,551 | $328 |
| THOMPSON DAVIS & CO., INC. | 40,200 | $318 |
| STATE STREET CORP | 33,801 | $267 |
| UBS Group AG | 30,906 | $244 |
| LPL Financial LLC | 27,734 | $219 |
| BlackRock, Inc. | 27,123 | $214 |
| GEODE CAPITAL MANAGEMENT, LLC | 25,962 | $205 |
| TORONTO DOMINION BANK | 23,600 | $186 |
| HighTower Advisors, LLC | 18,807 | $149 |
| NATIONAL BANK OF CANADA /FI/ | 16,183 | $127 |
| WELLS FARGO & COMPANY/MN | 15,510 | $123 |
| Regal Investment Advisors LLC | 12,857 | $102 |
| Connor, Clark & Lunn Investment Management Ltd. | 12,700 | $100 |
| NewEdge Advisors, LLC | 10,000 | $79 |
| TD Waterhouse Canada Inc. | 9,085 | $72 |
| Federation des caisses Desjardins du Quebec | 5,590 | $44 |
| Solstein Capital, LLC | 5,000 | $40 |
| Global Retirement Partners, LLC | 4,110 | $32 |
| Allworth Financial LP | 4,000 | $32 |
| NBT BANK N A /NY | 3,696 | $29 |
| ROYAL BANK OF CANADA | 3,310 | $26 |
| BARCLAYS PLC | 1,520 | $12 |
| FINANCIAL CONSULATE, INC | 1,000 | $8 |
| CoreCap Advisors, LLC | 763 | $6 |
| Avion Wealth | 500 | $0 |
| Pacifica Partners Inc. | 400 | $3 |
| DANSKE BANK A/S | 1 | $0 |