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
ABBVIE INC COM 00287Y109 8,679 81,000 SH   SOLE   81,000 0 0
ABERDEEN TOTAL DYNAMIC DIVD COM SH BEN INT 00326L100 2,535 286,417 SH   SOLE   286,417 0 0
ADAMAS PHARMACEUTICALS INC COM 00548A106 135 31,236 SH   SOLE   31,236 0 0
ADVANCED MICRO DEVICES INC COM 007903107 5,044 55,000 SH   SOLE   55,000 0 0
AERIE PHARMACEUTICALS INC COM 00771V108 473 35,000 SH   SOLE   35,000 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 2,344 15,000 SH   SOLE   15,000 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 1,629 7,000 SH   SOLE   7,000 0 0
ALIBABA GROUP HLDG LTD CALL 01609W902 349 1,500 SH Call SOLE   1,500 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 2,599 20,000 SH   SOLE   20,000 0 0
ALPHABET INC CAP STK CL C 02079K107 11,825 6,750 SH   SOLE   6,750 0 0
ALTERYX INC COM CL A 02156B103 731 6,000 SH   SOLE   6,000 0 0
ALTERYX INC CALL 02156B903 304 2,500 SH Call SOLE   2,500 0 0
AMARIN CORP PLC SPONS ADR NEW 023111206 929 190,000 SH   SOLE   190,000 0 0
AMGEN INC COM 031162100 2,587 11,250 SH   SOLE   11,250 0 0
APPLE INC COM 037833100 862 6,500 SH   SOLE   6,500 0 0
APTINYX INC COM 03836N103 453 131,000 SH   SOLE   131,000 0 0
APTIV PLC SHS G6095L109 977 7,500 SH   SOLE   7,500 0 0
ARENA PHARMACEUTICALS INC COM NEW 040047607 461 6,000 SH   SOLE   6,000 0 0
ARGENX SE SPONSORED ADR 04016X101 7,058 24,000 SH   SOLE   24,000 0 0
AT&T INC COM 00206R102 3,883 135,000 SH   SOLE   135,000 0 0
BECTON DICKINSON & CO COM 075887109 2,502 10,000 SH   SOLE   10,000 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 464 2,000 SH   SOLE   2,000 0 0
BK OF AMERICA CORP COM 060505104 5,077 167,500 SH   SOLE   167,500 0 0
BOULDER GROWTH & INCOME FD I COM 101507101 1,299 116,593 SH   SOLE   116,593 0 0
BOX INC CL A 10316T104 722 40,000 SH   SOLE   40,000 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108 2,481 40,000 SH   SOLE   40,000 0 0
CITIGROUP INC COM NEW 172967424 4,316 70,000 SH   SOLE   70,000 0 0
CVS HEALTH CORP CALL 126650900 683 10,000 SH Call SOLE   10,000 0 0
LILLY ELI & CO COM 532457108 1,013 6,000 SH   SOLE   6,000 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 174 28,200 SH   SOLE   28,200 0 0
ESPERION THERAPEUTICS INC NE COM 29664W105 1,001 38,500 SH   SOLE   38,500 0 0
FIBROGEN INC COM 31572Q808 1,150 31,000 SH   SOLE   31,000 0 0
FREEPORT-MCMORAN INC CL B 35671D857 520 20,000 SH   SOLE   20,000 0 0
FRESENIUS MED CARE AG&CO KGA SPONSORED ADR 358029106 3,013 72,500 SH   SOLE   72,500 0 0
GENERAL MTRS CO COM 37045V100 2,290 55,000 SH   SOLE   55,000 0 0
GENERAL MTRS CO CALL 37045V900 521 12,500 SH Call SOLE   12,500 0 0
GENMAB A/S SPONSORED ADS 372303206 407 10,000 SH   SOLE   10,000 0 0
GILEAD SCIENCES INC COM 375558103 1,660 28,500 SH   SOLE   28,500 0 0
IDERA PHARMACEUTICALS INC COM PAR 45168K405 69 18,755 SH   SOLE   18,755 0 0
INCYTE CORP COM 45337C102 5,436 62,500 SH   SOLE   62,500 0 0
INTEL CORP COM 458140100 2,441 49,000 SH   SOLE   49,000 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 13,499 424,500 SH   SOLE   424,500 0 0
BARCLAYS BANK PLC IPTH SR B S&P 06746P621 420 25,000 SH   SOLE   25,000 0 0
ISHARES GOLD TRUST ISHARES 464285105 3,626 200,000 SH   SOLE   200,000 0 0
ISHARES TR PUT 464287956 3,030 20,000 SH Put SOLE   20,000 0 0
ISHARES SILVER TR ISHARES 46428Q109 860 35,000 SH   SOLE   35,000 0 0
ISHARES TR PUT 464287955 1,961 10,000 SH Put SOLE   10,000 0 0
JOHNSON & JOHNSON COM 478160104 787 5,000 SH   SOLE   5,000 0 0
JOHNSON & JOHNSON CALL 478160904 1,574 10,000 SH Call SOLE   10,000 0 0
KINDRED BIOSCIENCES INC COM 494577109 172 40,000 SH   SOLE   40,000 0 0
KIRKLANDS INC COM 497498105 192 10,750 SH   SOLE   10,750 0 0
KOHLS CORP COM 500255104 407 10,000 SH   SOLE   10,000 0 0
KRANESHARES TR CSI CHI INTERNET 500767306 2,688 35,000 SH   SOLE   35,000 0 0
LENSAR INC COM 52634L108 1,140 157,250 SH   SOLE   157,250 0 0
LOWES COS INC COM 548661107 1,204 7,500 SH   SOLE   7,500 0 0
MATINAS BIOPHARMA HLDGS INC COM 576810105 415 305,299 SH   SOLE   305,299 0 0
MICRON TECHNOLOGY INC COM 595112103 12,029 160,000 SH   SOLE   160,000 0 0
MICROSOFT CORP COM 594918104 556 2,500 SH   SOLE   2,500 0 0
MORGAN STANLEY COM NEW 617446448 1,542 22,500 SH   SOLE   22,500 0 0
NEKTAR THERAPEUTICS COM 640268108 532 31,300 SH   SOLE   31,300 0 0
NOKIA CORP CALL 654902904 338 86,500 SH Call SOLE   86,500 0 0
NOKIA CORP SPONSORED ADR 654902204 1,134 290,000 SH   SOLE   290,000 0 0
NORTONLIFELOCK INC COM 668771108 623 30,000 SH   SOLE   30,000 0 0
NXP SEMICONDUCTORS N V COM N6596X109 557 3,500 SH   SOLE   3,500 0 0
OBSEVA SA COM H5861P103 104 50,000 SH   SOLE   50,000 0 0
ORACLE CORP COM 68389X105 5,951 92,000 SH   SOLE   92,000 0 0
ORACLE CORP CALL 68389X905 647 10,000 SH Call SOLE   10,000 0 0
QUALCOMM INC COM 747525103 381 2,500 SH   SOLE   2,500 0 0
PROSHARES TR II ULTRA VIX SHORT 74347W148 266 25,000 SH   SOLE   25,000 0 0
PROSHARES TR II CALL 74347W908 612 57,500 SH Call SOLE   57,500 0 0
REGENERON PHARMACEUTICALS COM 75886F107 5,991 12,400 SH   SOLE   12,400 0 0
SALESFORCE COM INC COM 79466L302 223 1,000 SH   SOLE   1,000 0 0
SANGAMO THERAPEUTICS INC COM 800677106 218 14,000 SH   SOLE   14,000 0 0
SEATTLE GENETICS INC COM 812578102 2,329 13,300 SH   SOLE   13,300 0 0
SELECT SECTOR SPDR TR PUT 81369Y953 12,027 92,500 SH Put SOLE   92,500 0 0
SPDR GOLD TR GOLD SHS 78463V107 10,880 61,000 SH   SOLE   61,000 0 0
SPDR GOLD TR CALL 78463V907 4,905 27,500 SH Call SOLE   27,500 0 0
SPDR GOLD TR PUT 78463V957 4,905 27,500 SH Put SOLE   27,500 0 0
SPDR DOW JONES INDL AVERAGE PUT 78467X959 22,323 73,000 SH Put SOLE   73,000 0 0
TARGET CORP COM 87612E106 883 5,000 SH   SOLE   5,000 0 0
TERADATA CORP DEL COM 88076W103 955 42,500 SH   SOLE   42,500 0 0
TURNING PT BRANDS INC COM 90041L105 5,559 124,750 SH   SOLE   124,750 0 0
VANECK VECTORS ETF TR GOLD MINERS ETF 92189F106 4,322 120,000 SH   SOLE   120,000 0 0
VANECK VECTORS ETF TR CALL 92189F906 901 25,000 SH Call SOLE   25,000 0 0
VANECK VECTORS ETF TR JR GOLD MINERS E 92189F791 3,119 57,500 SH   SOLE   57,500 0 0
VBI VACCINES INC COM NEW 91822J103 99 36,000 SH   SOLE   36,000 0 0
VERIZON COMMUNICATIONS INC COM 92343V104 2,629 44,750 SH   SOLE   44,750 0 0
VIR BIOTECHNOLOGY INC COM 92764N102 562 21,000 SH   SOLE   21,000 0 0
VIRGIN GALACTIC HOLDINGS INC COM 92766K106 831 35,000 SH   SOLE   35,000 0 0
XENCOR INC COM 98401F105 8,715 199,750 SH   SOLE   199,750 0 0
XILINX INC COM 983919101 1,666 11,750 SH   SOLE   11,750 0 0