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
BROOKFIELD BUSINESS PART UNIT UNIT LTD LP G16234109 104 2,280 SH   OTR 2 0 2,280 0
BROOKFIELD PPTY PARTNERS L P UNIT LTD PARTN G16249107 294 14,060 SH   OTR 2 0 14,060 0
WEATHERFORD INTL PLC ORD SHS G48833100 3 62,900 SH Put OTR 1 0 62,900 0
NABORS INDUSTRIES LTD CALL OPTIONS G6359F103 1 7,600 SH Call OTR 1 0 7,600 0
NABORS INDUSTRIES LTD SHS G6359F103 418 67,778 SH   OTR 1 0 67,778 0
PAGSEGURO DIGITAL LTD COM CL A G68707101 80 2,905 SH   SOLE   2,905 0 0
SHIP FINANCE INTERNATIONAL L PUT OPTIONS G81075106 2 50,000 SH Put OTR 1 0 50,000 0
Transocean Ltd PUT OPTIONS H8817H100 2 29,500 SH Put OTR 1 0 29,500 0
ALLOT COMMUNICATIONS LTD SHS M0854Q105 415 67,175 SH   SOLE   67,175 0 0
ARCTURUS THERAPEUTICS LTD SHS M1492T105 290 32,848 SH   SOLE   32,848 0 0
ATTUNITY LTD SHS NEW M15332121 561 29,704 SH   SOLE   29,704 0 0
ENTERA BIO LTD SHS M40527109 73 12,608 SH   OTR 1 0 12,608 0
MELLANOX TECHNOLOGIES LTD SHS M51363113 164 2,237 SH   SOLE   2,237 0 0
INTERNET GOLD-GOLDEN LINES L ORD M56595107 119 46,854 SH   SOLE   46,854 0 0
KAMADA LTD SHS M6240T109 963 155,719 SH   SOLE   155,719 0 0
MEDIWOUND LTD ORD SHS M68830104 306 49,827 SH   SOLE   49,827 0 0
PERION NETWORK LTD SHS NEW M78673114 8 2,645 SH   SOLE   2,645 0 0
SILICOM LTD ORD M84116108 1,206 29,728 SH   SOLE   29,728 0 0
NXP SEMICONDUCTORS N V COM N6596X109 3,516 41,119 SH   OTR 1 0 41,119 0
NXP SEMICONDUCTORS NV PUT OPTIONS N6596X109 209 44,000 SH Put OTR 1 0 44,000 0
ACHIEVE LIFE SCIENCES ORD COM NEW 004468203 101 32,000 SH   SOLE   32,000 0 0
Akorn Inc CALL OPTIONS 009728106 6 6,800 SH Call OTR 1 0 6,800 0
ALLIANCE DATA SYSTEMS CORP COM 018581108 81 344 SH   SOLE   344 0 0
AMERICAN SUPERCONDUCTOR CORP SHS NEW 030111207 660 95,000 SH   SOLE   95,000 0 0
ANADARKO PETE CORP COM 032511107 273 4,057 SH   OTR 1 0 4,057 0
ANADARKO PETE CORP PUT OPTIONS 032511107 22 10,100 SH Put OTR 1 0 10,100 0
AVEO PHARMACEUTICALS INC CALL OPTIONS 053588109 60 48,200 SH Call OTR 1 0 48,200 0
BB&T CORP COM 054937107 76 1,560 SH   OTR 2 0 1,560 0
BAIDU INC SPON ADR REP A 056752108 82 358 SH   SOLE   358 0 0
BANK AMER CORP COM 060505104 166 5,626 SH   OTR 2 0 5,626 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 54 1,220 SH   OTR 2 0 1,220 0
CANADIAN NAT RES LTD COM 136385101 131 4,010 SH   OTR 2 0 4,010 0
CARMAX INC COM 143130102 129 1,731 SH   SOLE   1,731 0 0
CARRIZO OIL & GAS INC PUT OPTIONS 144577103 6 78,800 SH Put OTR 1 0 78,800 0
CITIGROUP INC COM NEW 172967424 52 720 SH   OTR 2 0 720 0
CORCEPT THERAPEUTICS INC PUT OPTIONS 218352102 20 31,400 SH Put OTR 1 0 31,400 0
DOLLAR TREE INC COM 256746108 82 1,002 SH   SOLE   1,002 0 0
E TRADE FINANCIAL CORP COM NEW 269246401 320 6,111 SH   OTR 2 0 6,111 0
ENCANA CORP COM 292505104 63 4,820 SH   OTR 2 0 4,820 0
ENERPLUS CORP COM 292766102 149 12,060 SH   OTR 2 0 12,060 0
GARRETT MOTION INC PUT OPTIONS 366505105 4 400 SH Put OTR 1 0 400 0
ILLUMINA INC COM 452327109 1,300 3,541 SH   OTR 1 0 3,541 0
ILLUMINA INC PUT OPTIONS 452327109 16 2,400 SH Put OTR 1 0 2,400 0
INSMED INC COM PAR $.01 457669307 178 76,400 SH Put OTR 1 0 76,400 0
ISHARES TR RUSSELL 2000 ETF 464287655 1,782 10,574 SH   SOLE   10,574 0 0
ISHARES TR - RUSSELL 2000 ETF PUT OPTIONS 464287655 123 60,000 SH Put SOLE   60,000 0 0
ISRAMCO INC COM NEW 465141406 167 1,431,809 SH   SOLE   1,431,809 0 0
LKQ CORP COM 501889208 60 1,904 SH   SOLE   1,904 0 0
LANDSTAR SYS INC COM 515098101 129 1,056 SH   SOLE   1,056 0 0
LANTRONIX ORD COM NEW 516548203 387 95,000 SH   SOLE   95,000 0 0
LENNAR CORP CL A 526057104 106 2,280 SH   OTR 2 0 2,280 0
LULULEMON ATHLETICA INC COM 550021109 97 600 SH   OTR 2 0 600 0
MARTIN MARIETTA MATLS INC COM 573284106 47 256 SH   SOLE   256 0 0
Medicines Co PUT OPTIONS 584688105 288 98,100 SH Put OTR 1 0 98,100 0
MERCER INTL INC COM 588056101 107 6,364 SH   OTR 2 0 6,364 0
NATERA INC COM 632307104 479 20,000 SH   SOLE   20,000 0 0
NIKE INC CL B 654106103 69 810 SH   OTR 2 0 810 0
NOBLE ENERGY INC CALL OPTIONS 655044105 93 39,300 SH Call OTR 1 0 39,300 0
ORION ENERGY SYSTEMS INC PUT OPTIONS 686275108 10 170 SH Put SOLE   170 0 0
PNC FINL SVCS GROUP INC COM 693475105 54 400 SH   OTR 2 0 400 0
PROGENICS PHARMACEUTICALS IN COM 743187106 94 15,000 SH   SOLE   15,000 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 32 10,000 SH   SOLE   10,000 0 0
ROYAL GOLD INC COM 780287108 576 7,473 SH   OTR 1 0 7,473 0
SEMTECH CORP COM 816850101 866 15,573 SH   SOLE   15,573 0 0
TELARIA ORD COM 879181105 133 35,000 SH   SOLE   35,000 0 0
TIDEWATER MIDSTREAM AND INFR COM 886453109 65 60,877 SH   OTR 2 0 60,877 0
TRUPANION INC PUT OPTIONS 898202106 22 18,000 SH Put OTR 1 0 18,000 0
UNION PAC CORP COM 907818108 114 700 SH   OTR 2 0 700 0
VIVUS INC COM NEW 928551308 132 30,000 SH   SOLE   30,000 0 0
WESTPORT INNOVATIONS INC COM 960908309 300 100,000 SH   SOLE   100,000 0 0
WIRELESS TELECOM GROUP INC COM 976524108 46 25,100 SH   SOLE   25,100 0 0
XILINX INC CALL OPTIONS 983919101 87 20,000 SH Call SOLE   20,000 0 0
ARGAN INC COM 04010E109 495 10,234 SH Call SOLE   10,234 0 0
ARGAN INC CALL OPTIONS 04010E109 8 2,100 SH Call SOLE   2,100 0 0
ACORDA THERAPEUTICS INC PUT OPTIONS 00484M106 60 30,200 SH Put OTR 1 0 30,200 0
ACORDA THERAPEUTICS INC NOTE 1.750% 6/1 00484MAA4 1,242 1,450,000 PRN   OTR   0 1,450,000 0
ACTINIUM PHARMACEUTICALS ORD COM 00507W107 44 59,104 SH   OTR 1 0 59,104 0
ADVANCED MICRO DEVICES INC NOTE 2.125% 9/0 007903BD8 24,161 6,225,000 PRN   OTR 1 0 6,225,000 0
ADVANCED DISP SVCS INC DEL COM 00790X101 106 3,920 SH   OTR 2 0 3,920 0
AILERON THERAPEUTICS INC COM 00887A105 257 22,500 SH Call OTR 1 0 22,500 0
AIRGAIN INC COM 00938A104 1,404 106,815 SH   SOLE   106,815 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 74 449 SH   SOLE   449 0 0
ALPHABET INC-CL C CAP STK CL C 02079K107 143 120 SH   SOLE   120 0 0
ALPHABET INC-CL A CAP STK CL A 02079K305 93 77 SH   SOLE   77 0 0
APOLLO ENDOSURGERY INC COM 03767D108 359 50,000 SH   SOLE   50,000 0 0
APPTIO INC CL A 03835C108 328 8,880 SH   SOLE   8,880 0 0
AXSOME THERAPEUTICS ORD COM 05464T104 138 40,000 SH   SOLE   20,000 0 0
BRP INC COM SUB VTG 05577W200 34 720 SH   OTR 2 0 720 0
BAYTEX ENERGY CORP COM 07317Q105 247 84,836 SH   OTR 2 0 84,836 0
BIODELIVERY SCIENCES INTL IN COM 09060J106 167 70,000 SH   SOLE   70,000 0 0
BIONANO GENOMICS INC COM 09075F107 34 4,523 SH   SOLE   4,523 0 0
BUILDERS FIRSTSOURCE INC COM 12008R107 88 5,999 SH   OTR 2 0 5,999 0
CALIX INC COM 13100M509 324 40,000 SH   SOLE   40,000 0 0
CANADIAN PAC RY LTD COM 13645T100 472 2,226 SH   OTR 2 0 2,226 0
CARROLS RESTAURANT GROUP INC COM 14574X104 115 7,895 SH   OTR 2 0 7,895 0
CHESAPEAKE ENERGY CORP NOTE 5.500% 9/1 165167CY1 2,963 3,000,000 PRN   OTR 1 0 3,000,000 0
CLEARFIELD INC COM 18482P103 584 43,447 SH   SOLE   43,447 0 0
Conatus Pharmaceuticals Inc CALL OPTIONS 20600T108 51 15,700 SH Call OTR 1 0 15,700 0
CONVERGYS CORP SDCV 5.750% 9/1 212485AE6 997 450,000 PRN   OTR 1 0 450,000 0
CORREVIO PHARMA ORD COM 22026V105 173 43,000 SH   SOLE   43,000 0 0
COTT CORP QUE COM 22163N106 42 2,624 SH   OTR 2 0 2,624 0
CTRIP COM INTL LTD CALL OPTIONS 22943F100 1 1,700 SH Call OTR 1 0 1,700 0
DSP GROUP INC COM 23332B106 354 29,749 SH   SOLE   29,749 0 0
DAVITA INC COM 23918K108 274 3,826 SH   OTR 1 0 3,826 0
DAVITA INC PUT OPTIONS 23918K108 26 8,400 SH Put OTR 1 0 8,400 0
ENBRIDGE INC COM 29250N105 51 1,590 SH   OTR 2 0 1,590 0
ESPERION THERAPEUTICS INC NE PUT OPTIONS 29664W105 13 4,900 SH Put OTR 1 0 4,900 0
EXPEDIA GROUP INC COM NEW 30212P303 202 1,550 SH   SOLE   1,550 0 0
EXTRACTION OIL AND GAS INC COM 30227M105 47 4,207 SH   OTR 1 0 4,207 0
EXTRACTION OIL AND GAS INC COM 30227M105 15 12,000 SH Put OTR 1 0 12,000 0
FACEBOOK INC CL A 30303M102 85 515 SH   SOLE   515 0 0
FIESTA RESTAURANT GROUP INC COM 31660B101 52 1,928 SH   SOLE   1,928 0 0
FIESTA RESTAURANT GROUP INC CALL OPTIONS 31660B101 2 1,000 SH Call SOLE   1,000 0 0
GRAN TIERRA ENERGY INC COM 38500T101 77 20,090 SH   OTR 2 0 20,090 0
GROUPE CGI INC CL A SUB VTG 39945C109 207 3,209 SH   OTR 2 0 3,209 0
GTX INC DEL COM NEW 40052B207 1 400 SH   OTR 1 0 400 0
IMMUNOMEDICS INC CALL OPTIONS 452907AK4 1,669 118,900 SH Call OTR   0 118,900 0
IMMUNOMEDICS INC PUT OPTIONS 452907AK4 19 153,600 SH Put OTR 1 0 153,600 0
INSMED INC NOTE 1.750% 1/1 457669AA7 2,536 2,974,000 PRN   OTR 1 0 2,974,000 0
INTERACTIVE BROKERS GROUP IN COM 45841N107 36 651 SH   SOLE   651 0 0
INTERCEPT PHARMACEUTICALS IN PUT OPTIONS 45845P108 2 700 SH Call OTR 1 0 700 0
INTERCEPT PHARMACEUTICALS IN CALL OPTIONS 45845P108 355 68,300 SH Put OTR 1 0 68,300 0
INTERCEPT PHARMACEUTICALS IN NOTE 3.250% 7/0 45845PAA6 3,258 3,204,000 PRN   OTR 1 0 3,204,000 0
INTRA CELLULAR THERAPIES INC CALL OPTIONS 46116X101 207 60,000 SH Call OTR 1 0 60,000 0
JPMORGAN CHASE & CO COM 46625H100 355 3,150 SH   OTR 2 0 3,150 0
KEYSIGHT TECHNOLOGIES INC COM 49338L103 429 6,473 SH   OTR 2 0 6,473 0
KNOWLES CORP COM 49926D109 569 34,238 SH   SOLE   34,238 0 0
LUMENTUM HLDGS INC COM 55024U109 300 5,000 SH   SOLE   5,000 0 0
MAGNACHIP SEMICONDUCTOR CORP COM 55933J203 594 60,000 SH   SOLE   60,000 0 0
MASTERCARD INCORPORATED CL A 57636Q104 358 1,610 SH   OTR 2 0 1,610 0
MEDICINES CO NOTE 2.500% 1/1 584688AE5 3,883 3,596,000 PRN   OTR 1 0 3,596,000 0
Microchip Technology Inc NOTE 1.625% 2/1 595017AD6 1,644 1,085,000 PRN   OTR 1 0 0 0
MOLINA HEALTHCARE INC NOTE 1.125% 1/1 60855RAC4 33,332 9,128,000 PRN   OTR 1 0 9,128,000 0
NANOVIBRONIX INC COM 63008J108 92 20,000 SH   SOLE   20,000 0 0
NEOS THERAPEUTICS INC COM 64052L106 97 20,000 SH   SOLE   20,000 0 0
NEXSTAR MEDIA GROUP INC CL A 65336K103 205 2,524 SH   SOLE   2,524 0 0
ONE STOP SYS INC COM 68247W109 279 75,000 SH   SOLE   75,000 0 0
OVASCIENCE INC COM 69014Q101 77 106,000 SH   SOLE   106,000 0 0
PDC ENERGY INC COM 69327R101 407 8,315 SH   OTR 1 0 8,315 0
PDC ENERGY INC PUT OPTIONS 69327R101 117 17,600 SH Put OTR 1 0 17,600 0
PGT INNOVATIONS INC COM 69336V101 78 3,612 SH   OTR 2 0 3,612 0
PIXELWORKS INC COM NEW 72581M305 1,360 301,594 SH   SOLE   301,594 0 0
PRAXAIR INC COM 74005P104 630 3,920 SH   OTR 1 0 3,920 0
QUALCOMM INC CALL OPTIONS 747525103 39 81,600 SH Call OTR 1 0 81,600 0
QUANTENNA COMMUNICAT ORD COM 74766D100 1,013 54,909 SH   SOLE   54,909 0 0
QUICKLOGIC CORP COM 74837P108 230 230,000 SH   SOLE   230,000 0 0
REALPAGE INC NOTE 1.500%11/1 75606NAB5 4,092 2,500,000 PRN   OTR 1 0 2,500,000 0
RESTAURANT BRANDS INTL INC COM 76131D103 322 5,440 SH   OTR 2 0 5,440 0
ROYAL GOLD INC CALL OPTIONS 780287908 39 6,600 SH Put OTR 1 0 6,600 0
SM ENERGY CO NOTE 1.500% 7/0 78454LAM2 94 84,600 PRN   OTR 2 0 84,600 0
SPDR SERIES TRUST PORTFOLIO SHORT 78464A474 2,475 82,000 SH   SOLE   82,000 0 0
SPDR SERIES TRUST S&P PHARMAC 78464A722 25 4,631 SH   SOLE   4,631 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 558 5,816 SH   SOLE   5,816 0 0
SANOFI RIGHT 12/31/2020 80105N113 14 27,013 SH   OTR 1 0 27,013 0
SELECT SECTOR SPDR TR SBI MATERIALS 81369Y100 48 828 SH   SOLE   828 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 1,216 12,775 SH   SOLE   12,775 0 0
SELECT SECTOR SPDR TR ENERGY 81369Y506 121 1,599 SH   SOLE   1,599 0 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 413 14,987 SH   SOLE   14,987 0 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 529 6,747 SH   SOLE   6,747 0 0
SELECT SECTOR SPDR TR RL EST SEL SEC 81369Y860 73 2,229 SH   SOLE   2,229 0 0
SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y886 63 1,203 SH   SOLE   1,203 0 0
SYNAPTICS INC COM 87157D109 342 7,500 SH   SOLE   7,500 0 0
TRI POINTE GROUP INC COM 87265H109 88 7,114 SH   OTR 2 0 7,114 0
UNITEDHEALTH GROUP INC COM 91324P102 104 390 SH   OTR 2 0 390 0
VANGUARD WORLD FDS INF TECH ETF 92204A702 1,001 4,944 SH   SOLE   4,944 0 0
VANGUARD SCOTTSDALE FDS SHRT TRM CORP BD 92206C409 2,579 33,000 SH   SOLE   33,000 0 0
VECTOR GROUP LTD PUT OPTIONS 92240M108 22 62,500 SH Put OTR 1 0 62,500 0
VECTOR GROUP LTD FRNT 1/1 92240MAY4 4,673 4,300,000 PRN   OTR 1 0 4,300,000 0
VIKING THERAPEUTICS INC COM 92686J106 33 5,700 SH Call OTR 1 0 5,700 0
VUZIX CORP COM NEW 92921W300 655 100,000 SH   SOLE   100,000 0 0
WASTE CONNECTIONS INC COM 94106B101 337 4,228 SH   OTR 2 0 4,228 0
WEATHERFORD INTL LTD NOTE 5.875% 7/0 947075AH0 3,275 3,405,000 PRN   OTR 1 0 3,405,000 0