| AWM Investment Company, Inc. | 9,399,297 | $8,643 |
| Fund 1 Investments, LLC | 5,758,261 | $5,295 |
| Nantahala Capital Management, LLC | 4,505,000 | $4,142 |
| VANGUARD GROUP INC | 2,505,493 | $2,305 |
| NOMURA HOLDINGS INC | 2,173,348 | $1,998 |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 1,728,439 | $1,589 |
| DIMENSIONAL FUND ADVISORS LP | 1,622,253 | $1,492 |
| Hudson Bay Capital Management LP | 1,000,000 | $920 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 1,000,000 | $920 |
| BlackRock, Inc. | 865,168 | $796 |
| GEODE CAPITAL MANAGEMENT, LLC | 544,353 | $501 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 524,630 | $482 |
| Long Focus Capital Management, LLC | 498,042 | $458 |
| CIBC WORLD MARKETS CORP | 340,000 | $313 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 325,307 | $299 |
| ING GROEP NV | 300,000 | $276 |
| RENAISSANCE TECHNOLOGIES LLC | 287,372 | $264 |
| STATE STREET CORP | 219,185 | $202 |
| RBF Capital, LLC | 200,000 | $184 |
| Divisadero Street Capital Management, LP | 197,937 | $182 |
| GSA CAPITAL PARTNERS LLP | 186,395 | $0 |
| Empowered Funds, LLC | 108,270 | $100 |
| LPL Financial LLC | 85,430 | $79 |
| JANE STREET GROUP, LLC | 84,493 | $78 |
| NORTHERN TRUST CORP | 77,548 | $71 |
| TWO SIGMA INVESTMENTS, LP | 63,259 | $58 |
| Concurrent Investment Advisors, LLC | 55,760 | $51 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 54,375 | $50 |
| GOLDMAN SACHS GROUP INC | 48,668 | $45 |
| BANK OF AMERICA CORP /DE/ | 38,908 | $36 |
| Qube Research & Technologies Ltd | 38,811 | $36 |
| Invesco Ltd. | 30,940 | $28 |
| PEAK6 LLC | 30,000 | $28 |
| UBS Group AG | 22,817 | $21 |
| MILLENNIUM MANAGEMENT LLC | 21,866 | $20 |
| Lotus Technology Management, LP | 21,074 | $19 |
| Point72 Asset Management, L.P. | 20,891 | $19 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 18,191 | $16 |
| TWO SIGMA ADVISERS, LP | 18,100 | $17 |
| XTX Topco Ltd | 17,498 | $16 |
| Engineers Gate Manager LP | 16,412 | $15 |
| McNamara Financial Services, Inc. | 13,867 | $13 |
| D. E. Shaw & Co., Inc. | 13,107 | $12 |
| TWO SIGMA SECURITIES, LLC | 10,225 | $9 |
| Tower Research Capital LLC (TRC) | 7,073 | $7 |
| SIMPLEX TRADING, LLC | 4,298 | $4 |
| JPMORGAN CHASE & CO | 4,209 | $4 |
| Optiver Holding B.V. | 798 | $1 |
| MORGAN STANLEY | 482 | $0 |
| OSAIC HOLDINGS, INC. | 245 | $0 |
| BNP PARIBAS ARBITRAGE, SA | 217 | $0 |
| SBI Securities Co., Ltd. | 150 | $0 |
| GROUP ONE TRADING, L.P. | 147 | $0 |
| IFP Advisors, Inc | 100 | $0 |
| ROYAL BANK OF CANADA | 62 | $0 |
| CWM, LLC | 55 | $0 |
| Key Financial Inc | 50 | $0 |
| FMR LLC | 16 | $0 |
| NewEdge Advisors, LLC | 2 | $0 |
| HUNTINGTON NATIONAL BANK | 1 | $0 |
| BARCLAYS PLC | 1 | $0 |