| Empery Asset Management, LP |
| 9.53% | — | #1 | $8.2M | 4.0M | $0 | 0 | +4.0M | New Buy |
| Rock Springs Capital Management LP |
| 0.12% | — | #3 | $2.5M | 1.2M | $0 | 0 | +1.2M | New Buy |
| DAFNA Capital Management LLC |
| 0.41% | — | #2 | $2.2M | 1.1M | $0 | 0 | +1.1M | New Buy |
| Ghisallo Capital Management LLC |
| 0.01% | — | #8 | $2.1M | 1.0M | $0 | 0 | +1.0M | New Buy |
| ARMISTICE CAPITAL, LLC |
| 0.02% | — | #6 | $1.4M | 678,000 | $0 | 0 | +678,000 | New Buy |
| LMR Partners LLP |
| <0.01% | — | #15 | $1.2M | 600,000 | $0 | 0 | +600,000 | New Buy |
| MARSHALL WACE, LLP |
| <0.01% | <0.01% | #28 | $898,081 | 435,962 | $755,355 | 200,359 | +235,603+117.59% | Add |
| UBS Group AG |
| <0.01% | <0.01% | #38 | $782,236 | 379,726 | $231,919 | 61,517 | +318,209+517.27% | Add |
| Stonepine Capital Management, LLC |
| 0.11% | — | #4 | $740,220 | 571,678 | $0 | 0 | +571,678 | New Buy |
| JANE STREET GROUP, LLC |
| <0.01% | — | #47 | $557,746 | 270,750 | $0 | 0 | +270,750 | New Buy |
| Woodline Partners LP |
| <0.01% | — | #23 | $516,030 | 250,500 | $0 | 0 | +250,500 | New Buy |
| PFG Investments, LLC |
| 0.02% | 0.04% | #5 | $448,050 | 217,500 | $757,770 | 201,000 | +16,500+8.21% | Add |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
| <0.01% | — | #50 | $411,588 | 199,800 | $0 | 0 | +199,800 | New Buy |
| BANK OF AMERICA CORP /DE/ |
| <0.01% | <0.01% | #52 | $383,572 | 186,200 | $756,473 | 200,656 | -14,456-7.20% | Reduce |
| ROYAL BANK OF CANADA |
| <0.01% | <0.01% | #43 | $363,000 | 176,075 | $648,000 | 171,961 | +4,114+2.39% | Add |
| SIMPLEX TRADING, LLC |
| <0.01% | <0.01% | #34 | $326,098 | 158,300 | $101 | 27 | +158,273+586,196.30% | Add |
| Quadrature Capital Ltd |
| <0.01% | — | #20 | $277,107 | 134,518 | $0 | 0 | +134,518 | New Buy |
| BANK OF MONTREAL /CAN/ |
| <0.01% | <0.01% | #45 | $156,788 | 78,394 | $237,133 | 62,900 | +15,494+24.63% | Add |
| Integrated Wealth Concepts LLC |
| <0.01% | <0.01% | #27 | $152,883 | 74,215 | $327,293 | 86,815 | -12,600-14.51% | Reduce |
| CAPTRUST FINANCIAL ADVISORS |
| <0.01% | <0.01% | #33 | $132,711 | 64,423 | $235,124 | 62,367 | +2,056+3.30% | Add |
| GEODE CAPITAL MANAGEMENT, LLC |
| <0.01% | — | #59 | $119,562 | 58,040 | $0 | 0 | +58,040 | New Buy |
| OSAIC HOLDINGS, INC. |
| <0.01% | <0.01% | #37 | $105,250 | 51,093 | $150,765 | 39,991 | +11,102+27.76% | Add |
| HRT FINANCIAL LP |
| <0.01% | <0.01% | #35 | $90,347 | 43,858 | $80,000 | 21,366 | +22,492+105.27% | Add |
| AXQ CAPITAL, LP |
| 0.01% | — | #9 | $88,784 | 43,099 | $0 | 0 | +43,099 | New Buy |
| MILLENNIUM MANAGEMENT LLC |
| <0.01% | — | #51 | $81,864 | 39,740 | $0 | 0 | +39,740 | New Buy |
| GREAT VALLEY ADVISOR GROUP, INC. |
| <0.01% | <0.01% | #26 | $73,130 | 35,500 | $79,170 | 21,000 | +14,500+69.05% | Add |
| Virtu Financial LLC |
| <0.01% | — | #21 | $71,253 | 34,589 | $0 | 0 | +34,589 | New Buy |
| COMMONWEALTH EQUITY SERVICES, LLC |
| <0.01% | <0.01% | #40 | $67,980 | 33,000 | $125,730 | 33,350 | -350-1.05% | Reduce |
| McKinley Carter Wealth Services, Inc. |
| <0.01% | 0.01% | #17 | $67,266 | 32,653 | $116,463 | 30,892 | +1,761+5.70% | Add |
| Traynor Capital Management, Inc. |
| <0.01% | 0.01% | #18 | $64,890 | 31,500 | $95,115 | 25,500 | +6,000+23.53% | Add |
| Cetera Investment Advisers |
| <0.01% | <0.01% | #42 | $64,684 | 31,400 | $118,378 | 31,400 | 00.00% | Unchanged |
| Patriot Financial Group Insurance Agency, LLC |
| 0.01% | 0.01% | #11 | $58,710 | 28,500 | $139,490 | 37,000 | -8,500-22.97% | Reduce |
| CITADEL ADVISORS LLC |
| <0.01% | — | #58 | $57,268 | 27,800 | $0 | 0 | +27,800 | New Buy |
| LPL Financial LLC |
| <0.01% | <0.01% | #55 | $55,023 | 26,710 | $50,518 | 13,400 | +13,310+99.33% | Add |
| Almanack Investment Partners, LLC. |
| 0.01% | 0.01% | #10 | $53,045 | 25,750 | $78,887 | 20,925 | +4,825+23.06% | Add |
| Busey Bank |
| <0.01% | <0.01% | #25 | $51,500 | 25,000 | $94,250 | 25,000 | 00.00% | Unchanged |
| SPROTT INC. |
| <0.01% | <0.01% | #22 | $51,500 | 25,000 | $94,250 | 25,000 | 00.00% | Unchanged |
| TD Waterhouse Canada Inc. |
| <0.01% | <0.01% | #36 | $49,812 | 23,800 | $102,848 | 23,800 | 00.00% | Unchanged |
| WELLS FARGO & COMPANY/MN |
| <0.01% | — | #57 | $45,320 | 22,000 | $0 | 0 | +22,000 | New Buy |
| LIBERTY WEALTH MANAGEMENT LLC |
| 0.01% | 0.01% | #12 | $44,000 | 22,000 | $82,940 | 22,000 | 00.00% | Unchanged |
| ENVESTNET ASSET MANAGEMENT INC |
| <0.01% | <0.01% | #56 | $41,200 | 20,000 | $75,400 | 20,000 | 00.00% | Unchanged |
| Arax Advisory Partners |
| <0.01% | <0.01% | #30 | $40,638 | 19,727 | $67,966 | 18,028 | +1,699+9.42% | Add |
| GOLDMAN SACHS GROUP INC |
| <0.01% | — | #61 | $40,423 | 19,623 | $0 | 0 | +19,623 | New Buy |
| Mariner, LLC |
| <0.01% | <0.01% | #48 | $36,823 | 17,875 | $67,389 | 17,875 | 00.00% | Unchanged |
| Moors & Cabot, Inc. |
| <0.01% | — | #24 | $35,094 | 17,036 | $0 | 0 | +17,036 | New Buy |
| Creative Planning |
| <0.01% | <0.01% | #53 | $32,085 | 15,575 | $48,772 | 12,937 | +2,638+20.39% | Add |
| PRICE T ROWE ASSOCIATES INC /MD/ |
| <0.01% | <0.01% | #62 | $31,938 | 15,504 | $59,000 | 15,504 | 00.00% | Unchanged |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC |
| <0.01% | — | #46 | $30,949 | 16,462 | $0 | 0 | +16,462 | New Buy |
| JPMORGAN CHASE & CO |
| <0.01% | <0.01% | #64 | $28,840 | 14,714 | $78,618 | 13,462 | +1,252+9.30% | Add |
| MORGAN STANLEY |
| <0.01% | — | #66 | $26,654 | 12,939 | $0 | 0 | +12,939 | New Buy |
