The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3D SYSTEMS CORP COM 88554D205 11,821 605,600 SH   SOLE   605,600 0 0
3D SYSTEMS CORP COM 88554D205 5,378 275,500 SH Call SOLE   275,500 0 0
3D SYSTEMS CORP COM 88554D205 17,198 881,100 SH Put SOLE   881,100 0 0
ABEONA THERAPEUTICS INC COM 00289Y107 33 6,500 SH   SOLE   6,500 0 0
ABEONA THERAPEUTICS INC COM 00289Y107 33 6,500 SH Put SOLE   6,500 0 0
AMBARELLA INC COM G037AX101 185 1,800 SH   SOLE   1,800 0 0
AMBARELLA INC COM G037AX101 12,897 125,600 SH Call SOLE   125,600 0 0
AMBARELLA INC COM G037AX101 18,905 184,100 SH Put SOLE   184,100 0 0
AMERICAN EXPRESS CO COM 025816109 1,554 20,000 SH Call SOLE   20,000 0 0
AMIRA NATURE FOODS LTD SHS G0335L102 899 78,200 SH   SOLE   78,200 0 0
AMIRA NATURE FOODS LTD SHS G0335L102 898 78,200 SH Put SOLE   78,200 0 0
APPROACH RESOURCES INC COM 03834A103 1,077 157,200 SH   SOLE   157,200 0 0
APPROACH RESOURCES INC COM 03834A103 1,633 238,500 SH Put SOLE   238,500 0 0
BOX INC COM 10316T104 5,009 268,700 SH   SOLE   268,700 0 0
BOX INC COM 10316T104 5,060 271,400 SH Put SOLE   271,400 0 0
BROADCOM CORP COM 111320107 633 12,300 SH Call SOLE   12,300 0 0
BROADCOM CORP COM 111320107 633 12,300 SH Put SOLE   12,300 0 0
CARBO CERAMICS INC COM 140781105 583 14,000 SH   SOLE   14,000 0 0
CARBO CERAMICS INC COM 140781105 891 21,400 SH Put SOLE   21,400 0 0
CERUS CORP COM 157085101 469 90,300 SH   SOLE   90,300 0 0
CERUS CORP COM 157085101 469 90,300 SH Put SOLE   90,300 0 0
CHARTER COMMUNICATIONS INC COM 16117M305 240 1,400 SH Call SOLE   1,400 0 0
CHARTER COMMUNICATIONS INC COM 16117M305 240 1,400 SH Put SOLE   1,400 0 0
CLEAN ENERGY FUELS CORP COM 184499101 1,068 190,109 SH   SOLE   190,109 0 0
CLEAN ENERGY FUELS CORP COM 184499101 1,195 212,700 SH Put SOLE   212,700 0 0
CLIFFS NATURAL RESOURCES INC COM 18683K101 143 32,965 SH   SOLE   32,965 0 0
CLIFFS NATURAL RESOURCES INC COM 18683K101 186 43,000 SH Put SOLE   43,000 0 0
CONTAINER STORE GROUP INC COM 210751103 182 10,800 SH   SOLE   10,800 0 0
CONTAINER STORE GROUP INC COM 210751103 182 10,800 SH Put SOLE   10,800 0 0
CORMEDIX INC COM 21900C100 102 26,200 SH   SOLE   26,200 0 0
CORMEDIX INC COM 21900C100 102 26,200 SH Put SOLE   26,200 0 0
CYBERARK SOFTWARE LTD SHS M2682V108 433 6,900 SH   SOLE   6,900 0 0
CYBERARK SOFTWARE LTD SHS M2682V108 433 6,900 SH Put SOLE   6,900 0 0
CYPRESS SEMICONDUCTOR CORP COM 232806109 447 38,000 SH   SOLE   38,000 0 0
CYPRESS SEMICONDUCTOR CORP COM 232806109 447 38,000 SH Put SOLE   38,000 0 0
DANAHER CORP COM 235851102 22,031 257,400 SH Call SOLE   257,400 0 0
DANAHER CORP COM 235851102 1,181 13,800 SH Put SOLE   13,800 0 0
DBX ETF TR DBXTR HAR CS 300 233051879 7,523 163,500 SH Call SOLE   163,500 0 0
DBX ETF TR DBXTR HAR CS 300 233051879 7,522 163,500 SH Put SOLE   163,500 0 0
DIREXION SHS ETF TR DLY JR GMNR BEAR 25459Y561 1,547 179,270 SH   SOLE   17,927,000 0 0
DIREXION SHS ETF TR DLY JR GMNR BEAR 25459Y561 1,963 227,500 SH Put SOLE   227,500 0 0
DREAMWORKS ANIMATION SKG INC COM 26153C103 106 4,000 SH   SOLE   4,000 0 0
DREAMWORKS ANIMATION SKG INC COM 26153C103 106 4,000 SH Put SOLE   4,000 0 0
EL POLLO LOCO HOLDINGS INC COM 268603107 1,170 56,500 SH Call SOLE   56,500 0 0
EL POLLO LOCO HOLDINGS INC COM 268603107 1,169 56,500 SH Put SOLE   56,500 0 0
EMC CORP COM 268648102 1,391 52,700 SH   SOLE   52,700 0 0
EMC CORP COM 268648102 1,391 52,700 SH Put SOLE   52,700 0 0
EXONE CO COM 302104104 773 69,600 SH   SOLE   69,600 0 0
EXONE CO COM 302104104 355 32,000 SH Call SOLE   32,000 0 0
EXONE CO COM 302104104 1,128 101,600 SH Put SOLE   101,600 0 0
FRESHPET INC COM 358039105 344 18,500 SH Call SOLE   18,500 0 0
GAMESTOP CORP COM 36467W109 1,280 29,800 SH   SOLE   29,800 0 0
GAMESTOP CORP COM 36467W109 47 1,100 SH Call SOLE   1,100 0 0
GAMESTOP CORP COM 36467W109 1,327 30,900 SH Put SOLE   30,900 0 0
GLOBAL X FDS FTSE GREECE 20 37950E366 95 9,400 SH   SOLE   940,000 0 0
GLOBAL X FDS FTSE GREECE 20 37950E366 94 9,400 SH Put SOLE   9,400 0 0
GOGO INC COM 38046C109 474 22,100 SH   SOLE   22,100 0 0
GOGO INC COM 38046C109 474 22,100 SH Put SOLE   22,100 0 0
GOODRICH PETROLEUM CORP COM 382410405 244 131,400 SH   SOLE   131,400 0 0
GOODRICH PETROLEUM CORP COM 382410405 283 152,300 SH Put SOLE   152,300 0 0
GOPRO INC COM 38268T103 7,117 135,000 SH Call SOLE   135,000 0 0
GOPRO INC COM 38268T103 7,117 135,000 SH Put SOLE   135,000 0 0
GREEN DOT CORP COM 39304D102 105 5,500 SH   SOLE   5,500 0 0
GREEN DOT CORP COM 39304D102 105 5,500 SH Put SOLE   5,500 0 0
INVENSENSE INC COM 46123DAB2 2,265 150,000 SH Call SOLE   150,000 0 0
INVENSENSE INC COM 46123DAB2 2,265 150,000 SH Put SOLE   150,000 0 0
IXYS CORP COM 46600W106 153 10,000 SH Call SOLE   10,000 0 0
JUNO THERAPEUTICS INC COM 48205A109 1,371 25,700 SH   SOLE   25,700 0 0
JUNO THERAPEUTICS INC COM 48205A109 112 2,100 SH Call SOLE   2,100 0 0
JUNO THERAPEUTICS INC COM 48205A109 1,536 28,800 SH Put SOLE   28,800 0 0
KANDI TECHNOLOGIES GROUP INC COM 483709101 71 7,896 SH   SOLE   7,896 0 0
KANDI TECHNOLOGIES GROUP INC COM 483709101 172 19,000 SH Put SOLE   19,000 0 0
KERYX BIOPHARMACEUTICALS INC COM 492515101 1,795 179,900 SH   SOLE   179,900 0 0
KERYX BIOPHARMACEUTICALS INC COM 492515101 1,795 179,900 SH Put SOLE   179,900 0 0
KEYW HOLDING CORP COM 493723100 338 36,300 SH   SOLE   36,300 0 0
KEYW HOLDING CORP COM 493723100 340 36,500 SH Put SOLE   36,500 0 0
KING DIGITAL ENTERTAINMENT PLC ORD SHS G5258J109 4,355 305,600 SH   SOLE   305,600 0 0
KING DIGITAL ENTERTAINMENT PLC ORD SHS G5258J109 6,555 460,000 SH Call SOLE   460,000 0 0
KING DIGITAL ENTERTAINMENT PLC ORD SHS G5258J109 10,910 765,600 SH Put SOLE   765,600 0 0
LAREDO PETROLEUM INC COM 516806106 929 73,800 SH Call SOLE   73,800 0 0
LAREDO PETROLEUM INC COM 516806106 956 76,000 SH Put SOLE   76,000 0 0
LENDINGCLUB CORP COM 52603A109 1,387 94,000 SH   SOLE   94,000 0 0
LENDINGCLUB CORP COM 52603A109 1,387 94,000 SH Put SOLE   94,000 0 0
LINN ENERGY LLC UNIT LTD LIAB 536020100 2,122 238,200 SH   SOLE   238,200 0 0
LINN ENERGY LLC UNIT LTD LIAB 536020100 2,122 238,200 SH Put SOLE   238,200 0 0
LUMBER LIQUIDATORS HOLDINGS INC COM 55003T107 3,160 152,600 SH   SOLE   152,600 0 0
LUMBER LIQUIDATORS HOLDINGS INC COM 55003T107 3,159 152,600 SH Put SOLE   152,600 0 0
MANNKIND CORP COM 56400P201 7,113 1,250,000 SH   SOLE   1,250,000 0 0
MANNKIND CORP COM 56400P201 4,222 741,900 SH Call SOLE   741,900 0 0
MANNKIND CORP COM 56400P201 9,863 1,733,000 SH Put SOLE   1,733,000 0 0
MAXWELL TECHNOLOGIES INC COM 577767106 236 39,600 SH   SOLE   39,600 0 0
MAXWELL TECHNOLOGIES INC COM 577767106 237 39,600 SH Put SOLE   39,600 0 0
MICHAEL KORS HOLDINGS LTD SHS G60754101 80 1,900 SH   SOLE   1,900 0 0
MICHAEL KORS HOLDINGS LTD SHS G60754101 80 1,900 SH Call SOLE   1,900 0 0
MICHAEL KORS HOLDINGS LTD SHH G60754101 80 1,900 SH Put SOLE   1,900 0 0
MICRON TECHNOLOGY INC COM 595112103 188 10,000 SH   SOLE   10,000 0 0
MICRON TECHNOLOGY INC COM 595112103 188 10,000 SH Put SOLE   10,000 0 0
MICROSOFT CORP COM 594918104 496 11,224 SH   SOLE   11,224 0 0
MICROSOFT CORP COM 594918104 552 12,500 SH Put SOLE   12,500 0 0
NATIONSTAR MORTGAGE HOLDINGS INC COM 63861C109 5,092 303,070 SH   SOLE   303,070 0 0
NATIONSTAR MORTGAGE HOLDINGS INC COM 63861C109 5,247 312,300 SH Put SOLE   312,300 0 0
NETSCOUT SYSTEMS INC COM 64115T104 1,903 51,900 SH Call SOLE   51,900 0 0
NETSCOUT SYSTEMS INC COM 64115T104 139 3,800 SH Put SOLE   3,800 0 0
NOODLES & CO COM 65540B105 175 12,000 SH   SOLE   12,000 0 0
NOODLES & CO COM 65540B105 175 12,000 SH Put SOLE   12,000 0 0
OCWEN FINANCIAL CORP COM 675746309 2,862 280,600 SH   SOLE   280,600 0 0
OCWEN FINANCIAL CORP COM 675746309 2,863 280,600 SH Put SOLE   280,600 0 0
ON DECK CAPITAL INC COM 682163100 159 13,715 SH   SOLE   13,715 0 0
ON DECK CAPITAL INC COM 682163100 568 49,100 SH Put SOLE   49,100 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 5,365 157,800 SH   SOLE   157,800 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 5,365 157,800 SH Put SOLE   157,800 0 0
ORGANOVO HOLDINGS INC COM 68620A104 930 246,800 SH   SOLE   246,800 0 0
ORGANOVO HOLDINGS INC COM 68620A104 544 144,300 SH Call SOLE   144,300 0 0
ORGANOVO HOLDINGS INC COM 68620A104 1,470 389,900 SH Put SOLE   389,900 0 0
PILGRIMS PRIDE CORP COM 72147K108 423 18,400 SH Call SOLE   18,400 0 0
PILGRIMS PRIDE CORP COM 72147K108 423 18,400 SH Put SOLE   18,400 0 0
PINNACLE ENTERTAINMENT INC COM 723456109 149 4,000 SH   SOLE   4,000 0 0
PINNACLE ENTERTAINMENT INC COM 723456109 149 4,000 SH Put SOLE   4,000 0 0
PROSHARES TR II ULT VIX SHRT 74347W312 9,182 208,871 SH   SOLE   20,887,100 0 0
PROSHARES TR II ULT VIX SHRT 74347W312 2,198 50,000 SH Call SOLE   50,000 0 0
PROSHARES TR II ULT VIX SHRT 74347W312 11,777 267,900 SH Put SOLE   267,900 0 0
PROSHARES TR II PSHS ULSSLVR NEW 74347W114 372 3,430 SH   SOLE   3,500 0 0
PROSHARES TR II PSHS ULSSLVR NEW 74347W114 380 3,500 SH Put SOLE   343,000 0 0
FACTORSHARES TR ISE SILV SMLMI 30304R407 842 26,700 SH   SOLE   2,670,000 0 0
FACTORSHARES TR ISE SILV SMLMI 30304R407 843 26,700 SH Put SOLE   26,700 0 0
QUALCOMM INC COM 747525103 160 2,553 SH   SOLE   2,553 0 0
QUALCOMM INC COM 747525103 313 5,000 SH Call SOLE   5,000 0 0
QUALCOMM INC COM 747525103 251 4,000 SH Put SOLE   4,000 0 0
RIO TINTO PLC SPONSORED ADR 767204100 206 5,000 SH Call SOLE   5,000 0 0
ROCKET FUEL INC COM 773111109 349 42,500 SH   SOLE   42,500 0 0
ROCKET FUEL INC COM 773111109 349 42,500 SH Put SOLE   42,500 0 0
ROCKWELL MEDICAL INC COM 774374102 1,578 97,900 SH   SOLE   97,900 0 0
ROCKWELL MEDICAL INC COM 774374102 1,581 98,000 SH Put SOLE   98,000 0 0
SANDISK CORP COM 80004CAD3 873 15,000 SH Call SOLE   15,000 0 0
SEARS HOLDINGS CORP COM 812350106 2 73 SH   SOLE   73 0 0
SEARS HOLDINGS CORP COM 812350106 3,605 135,000 SH Call SOLE   135,000 0 0
SEARS HOLDINGS CORP COM 812350106 4,232 158,500 SH Put SOLE   158,500 0 0
SECOND SIGHT MEDICAL PRODUCTS INC COM 81362J100 1,311 96,300 SH   SOLE   96,300 0 0
SECOND SIGHT MEDICAL PRODUCTS INC COM 81362J100 1,327 97,500 SH Put SOLE   97,500 0 0
SPDR S&P 500 ETF TRUST TR UNIT 78462F103 49 237 SH   SOLE   23,700 0 0
SPDR S&P 500 ETF TRUST TR UNIT 78462F103 720 3,500 SH Put SOLE   3,500 0 0
SPRINT CORP COM 85207U105 145 31,700 SH   SOLE   31,700 0 0
SPRINT CORP COM 85207U105 11 2,500 SH Call SOLE   2,500 0 0
SPRINT CORP COM 85207U105 144 31,700 SH Put SOLE   31,700 0 0
TIDEWATER INC COM 886423102 227 10,000 SH   SOLE   10,000 0 0
TIDEWATER INC COM 886423102 227 10,000 SH Put SOLE   10,000 0 0
TRANSOCEAN LTD REG SHS H8817H100 6,500 403,216 SH   SOLE   403,216 0 0
TRANSOCEAN LTD REG SHS H8817H100 6,603 409,600 SH Put SOLE   409,600 0 0
TWITTER INC COM 90184L102 125 3,441 SH   SOLE   3,441 0 0
TWITTER INC COM 90184L102 272 7,500 SH Put SOLE   7,500 0 0
ULTRA PETROLEUM CORP COM 903914109 1,706 136,300 SH   SOLE   136,300 0 0
ULTRA PETROLEUM CORP COM 903914109 645 51,500 SH Call SOLE   51,500 0 0
ULTRA PETROLEUM CORP COM 903914109 2,352 187,800 SH Put SOLE   187,800 0 0
VALE SA ADR 91912E105 911 154,700 SH   SOLE   15,470,000 0 0
VALE SA ADR 91912E105 2,838 481,900 SH Call SOLE   481,900 0 0
VALE SA ADR 91912E105 3,750 636,600 SH Put SOLE   636,600 0 0
VANGUARD NATURAL RESOURCES LLC COM UNIT 92205F106 2,222 148,796 SH   SOLE   148,796 0 0
VANGUARD NATURAL RESOURCES LLC COM UNIT 92205F106 2,221 148,800 SH Put SOLE   148,800 0 0
VASCO DATA SECURITY INTERNATIONAL INC COM 92230Y104 136 4,500 SH   SOLE   4,500 0 0
VASCO DATA SECURITY INTERNATIONAL INC COM 92230Y104 1,359 45,000 SH Call SOLE   45,000 0 0
VASCO DATA SECURITY INTERNATIONAL INC COM 92230Y104 1,494 49,500 SH Put SOLE   49,500 0 0
VERA BRADLEY INC COM 92335C106 124 11,000 SH   SOLE   11,000 0 0
VERA BRADLEY INC COM 92335C106 124 11,000 SH Put SOLE   11,000 0 0
VERTEX ENERGY INC COM 92534K107 120 50,600 SH   SOLE   50,600 0 0
VERTEX ENERGY INC COM 92534K107 120 50,600 SH Put SOLE   50,600 0 0
VIRNETX HOLDING CORP COM 92823T108 165 39,400 SH   SOLE   39,400 0 0
VIRNETX HOLDING CORP COM 92823T108 208 49,400 SH Put SOLE   49,400 0 0
VOXELJET AG ADS 92912L107 68 10,000 SH   SOLE   1,000,000 0 0
VOXELJET AG ADS 92912L107 68 10,000 SH Put SOLE   10,000 0 0
WALTER INVESTMENT MANAGEMENT CORP COM 93317W102 1,715 75,000 SH Call SOLE   75,000 0 0
WEIGHT WATCHERS INTERNATIONAL INC COM 948626106 1,643 338,800 SH   SOLE   338,800 0 0
WEIGHT WATCHERS INTERNATIONAL INC COM 948626106 11 2,300 SH Call SOLE   2,300 0 0
WEIGHT WATCHERS INTERNATIONAL INC COM 948626106 1,655 341,100 SH Put SOLE   341,100 0 0
WENDYS CO COM 95058W100 1,156 102,500 SH Call SOLE   102,500 0 0
WESTPORT INNOVATIONS INC COM 960908309 849 179,200 SH   SOLE   179,200 0 0
WESTPORT INNOVATIONS INC COM 960908309 851 179,700 SH Put SOLE   179,700 0 0
YAHOO! INC COM 984332106 196 5,000 SH   SOLE   5,000 0 0
YAHOO! INC COM 984332106 196 5,000 SH Put SOLE   5,000 0 0
ZIOPHARM ONCOLOGY INC COM 98973P101 1,200 100,000 SH Call SOLE   100,000 0 0
ZIOPHARM ONCOLOGY INC COM 98973P101 1,200 100,000 SH Put SOLE   100,000 0 0