| VAN ECK ASSOCIATES CORP | 11,239,482 | $99 |
| FMR LLC | 7,992,500 | $70,414 |
| Hood River Capital Management LLC | 5,231,489 | $46,089 |
| CITADEL ADVISORS LLC | 3,340,545 | $29,430 |
| Encompass Capital Advisors LLC | 2,908,033 | $25,620 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 2,659,069 | $23,426 |
| COOPER CREEK PARTNERS MANAGEMENT LLC | 2,272,937 | $20 |
| NEXT CENTURY GROWTH INVESTORS LLC | 1,855,260 | $16,345 |
| Telemark Asset Management, LLC | 1,300,000 | $11,453 |
| Ghisallo Capital Management LLC | 1,300,000 | $11,453 |
| MARSHALL WACE, LLP | 1,274,353 | $11,227 |
| ArrowMark Colorado Holdings LLC | 1,050,036 | $9,251 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 1,025,000 | $9,030 |
| SEGALL BRYANT & HAMILL, LLC | 939,185 | $8,274 |
| GOLDMAN SACHS GROUP INC | 847,359 | $7,465 |
| ROYCE & ASSOCIATES LP | 835,000 | $7,356 |
| HRT FINANCIAL LP | 828,431 | $7 |
| Alyeska Investment Group, L.P. | 667,004 | $5,876 |
| MARATHON CAPITAL MANAGEMENT | 593,515 | $5,229 |
| THOMPSON SIEGEL & WALMSLEY LLC | 574,432 | $5 |
| WEXFORD CAPITAL LP | 551,191 | $4,856 |
| SEI INVESTMENTS CO | 490,469 | $4,321 |
| Duquesne Family Office LLC | 469,880 | $4 |
| Old West Investment Management, LLC | 356,146 | $3,138 |
| APIS CAPITAL ADVISORS, LLC | 338,000 | $2,978 |
| Swiss National Bank | 313,400 | $2,762 |
| GEODE CAPITAL MANAGEMENT, LLC | 308,543 | $2,717 |
| TWO SIGMA INVESTMENTS, LP | 261,320 | $2,302 |
| MILLENNIUM MANAGEMENT LLC | 257,714 | $2,270 |
| UBS Group AG | 247,830 | $2,183 |
| Baird Financial Group, Inc. | 244,814 | $2,157 |
| MORGAN STANLEY | 222,666 | $1,962 |
| BANK OF AMERICA CORP /DE/ | 221,929 | $1,955 |
| ELEMENT CAPITAL MANAGEMENT LLC | 210,513 | $1,855 |
| BALYASNY ASSET MANAGEMENT L.P. | 205,928 | $1,811 |
| 1492 Capital Management LLC | 204,353 | $1,800 |
| BARCLAYS PLC | 201,934 | $1,779 |
| Manatuck Hill Partners, LLC | 200,000 | $1,762 |
| Man Group plc | 171,440 | $1,510 |
| TD Asset Management Inc | 156,474 | $1,378 |
| VANGUARD GROUP INC | 144,168 | $1,268 |
| Legal & General Group Plc | 132,504 | $1,167 |
| Benin Management CORP | 121,195 | $1,068 |
| Nuveen, LLC | 117,023 | $1,030 |
| Huntleigh Advisors, Inc. | 116,606 | $1,027 |
| MACKENZIE FINANCIAL CORP | 111,224 | $982 |
| NEW YORK STATE COMMON RETIREMENT FUND | 109,554 | $965 |
| Quadrature Capital Ltd | 108,069 | $952 |
| AMERIPRISE FINANCIAL INC | 100,310 | $884 |
| Cambridge Investment Research Advisors, Inc. | 85,736 | $1 |
| Vivaldi Capital Management LP | 83,400 | $735 |
| INTACT INVESTMENT MANAGEMENT INC. | 83,100 | $732 |
| Optiver Holding B.V. | 79,709 | $702 |
| ROYAL BANK OF CANADA | 70,452 | $621 |
| Worth Venture Partners, LLC | 68,650 | $605 |
| Janney Montgomery Scott LLC | 62,099 | $1 |
| LPL Financial LLC | 56,163 | $495 |
| Aventail Capital Group, LP | 55,658 | $490 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 46,182 | $407 |
| HIMENSION CAPITAL (SINGAPORE) PTE. LTD. | 46,079 | $406 |
| MOODY NATIONAL BANK TRUST DIVISION | 45,588 | $402 |
| DLD Asset Management, LP | 45,000 | $396 |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 43,703 | $385 |
| Banque Cantonale Vaudoise | 39,100 | $344 |
| United Asset Strategies, Inc. | 36,483 | $321 |
| BLB&B Advisors, LLC | 36,243 | $319 |
| SIH Partners, LLLP | 35,826 | $316 |
| Baader Bank Aktiengesellschaft | 35,165 | $139 |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 33,751 | $297 |
| SCOTIA CAPITAL INC. | 32,357 | $285 |
| HighTower Advisors, LLC | 31,132 | $274 |
| Pekin Hardy Strauss, Inc. | 28,600 | $252 |
| NATIONAL BANK OF CANADA /FI/ | 28,208 | $248 |
| Pictet Asset Management Holding SA | 26,925 | $237 |
| PRELUDE CAPITAL MANAGEMENT, LLC | 26,346 | $232 |
| Diametric Capital, LP | 25,506 | $225 |
| JANE STREET GROUP, LLC | 23,486 | $207 |
| PNC Financial Services Group, Inc. | 22,607 | $199 |
| D. E. Shaw & Co., Inc. | 22,289 | $196 |
| Serenus Wealth Advisors, LLC | 22,200 | $196 |
| SummitTX Capital, L.P. | 20,549 | $181 |
| CIBC Asset Management Inc | 20,417 | $180 |
| FRANKLIN RESOURCES INC | 17,259 | $152 |
| Ewing Morris & Co. Investment Partners Ltd. | 16,991 | $151 |
| MCF Advisors LLC | 14,084 | $124 |
| SG Americas Securities, LLC | 13,009 | $0 |
| McAdam, LLC | 11,441 | $101 |
| RiverPark Advisors, LLC | 9,901 | $87 |
| DEUTSCHE BANK AG\ | 9,005 | $79 |
| State of Wyoming | 4,677 | $41 |
| Rockefeller Capital Management L.P. | 4,333 | $38 |
| Global Retirement Partners, LLC | 4,004 | $35 |
| TORONTO DOMINION BANK | 2,806 | $25 |
| CIBC Private Wealth Group, LLC | 2,666 | $23 |
| Bank Julius Baer & Co. Ltd, Zurich | 2,011 | $18 |
| PIN OAK INVESTMENT ADVISORS INC | 1,222 | $0 |
| OSAIC HOLDINGS, INC. | 719 | $6 |
| JONES FINANCIAL COMPANIES LLLP | 698 | $6 |
| Caitong International Asset Management Co., Ltd | 507 | $4 |
| Parkside Financial Bank & Trust | 500 | $4 |
| 6 other institutions | 852 | $7 |