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
1LIFE HEALTHCARE INC COM 68269G107 2,946 162,300 SH   DFND 1 162,300 0 0
ABERDEEN INCOME CR STRATEGIE COM 003057106 724 98,549 SH   DFND 1 98,549 0 0
ADOBE SYS INC COM 00724F101 6,686 21,010 SH   DFND 1 21,010 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 7,219 37,120 SH   DFND 1 37,120 0 0
AMAZON COM INC COM 023135106 27,501 14,105 SH   DFND 1 14,105 0 0
AMGEN INC COM 031162100 13,777 67,957 SH   DFND 1 67,957 0 0
APELLIS PHARMACEUTICALS INC COM 03753U106 10,872 405,834 SH   DFND 1 405,834 0 0
APPLE INC COM 037833100 17,739 69,760 SH   DFND 1 69,760 0 0
BK OF AMERICA CORP COM 060505104 31,089 1,464,372 SH   DFND 1 1,464,372 0 0
BARINGS BDC INC COM 06759L103 7,288 974,380 SH   DFND 1 974,380 0 0
BEIGENE LTD SPONSORED ADR 07725L102 1,518 12,330 SH   DFND 1 12,330 0 0
BLACKROCK DEBT STRAT FD INC COM NEW 09255R202 3,247 384,235 SH   DFND 1 384,235 0 0
BLACKROCK FLOATING RATE INCO COM 09255X100 306 30,600 SH   DFND 1 30,600 0 0
BLACKROCK MUNI N Y INTER DUR COM 09255F109 1,136 77,528 SH   DFND 1 77,528 0 0
BLACKROCK RES & COMMODITIES SHS 09257A108 213 42,246 SH   DFND 1 42,246 0 0
CADENCE DESIGN SYSTEM INC COM 127387108 3,841 58,155 SH   DFND 1 58,155 0 0
CALAMOS GBL DYN INCOME FUND COM 12811L107 200 34,775 SH   DFND 1 34,775 0 0
CARVANA CO CL A 146869102 11,528 209,261 SH   DFND 1 209,261 0 0
CITIGROUP INC COM NEW 172967424 29,967 711,475 SH   DFND 1 711,475 0 0
CLEARBRIDGE MLP AND MIDSTRM COM 18469Q108 824 597,000 SH   DFND 1 597,000 0 0
COMMUNITY HEALTHCARE TR INC COM 20369C106 14,158 369,859 SH   DFND 1 369,859 0 0
CORNERSTONE STRATEGIC VALUE COM 21924B302 2,416 297,488 SH   DFND 1 297,488 0 0
CORNERSTONE TOTAL RETURN FD COM 21924U300 2,368 297,462 SH   DFND 1 297,462 0 0
COUPA SOFTWARE INC COM 22266L106 2,592 18,550 SH   DFND 1 18,550 0 0
CRISPR THERAPEUTICS AG NAMEN AKT H17182108 12,597 297,027 SH   DFND 1 297,027 0 0
CRISPR THERAPEUTICS AG NAMEN AKT H17182108 8,753 206,400 SH Call DFND 1 206,400 0 0
CROWDSTRIKE HLDGS INC CL A 22788C105 3,196 57,400 SH   DFND 1 57,400 0 0
CUSHING RENAISSANCE FD COM 231647108 135 22,248 SH   DFND 1 22,248 0 0
DELAWARE ENHANCED GBL DIV & COM 246060107 75 10,000 SH   DFND 1 10,000 0 0
DUFF & PHELPS UTLITY AND INF COM 26433C105 242 25,648 SH   DFND 1 25,648 0 0
DUFF & PHELPS UTIL CORP BD T COM 26432K108 105 12,528 SH   DFND 1 12,528 0 0
EATON VANCE LTD DUR INCOME F COM 27828H105 2,202 208,300 SH   DFND 1 208,300 0 0
EATON VANCE MUN BD FD COM 27827X101 662 53,059 SH   DFND 1 53,059 0 0
EATON VANCE RISK MNGD DIV EQ COM 27829G106 94 11,300 SH   DFND 1 11,300 0 0
EATON VANCE TXMGD GL BUYWR O COM 27829C105 663 88,817 SH   DFND 1 88,817 0 0
FACEBOOK INC CL A 30303M102 14,028 84,100 SH   DFND 1 84,100 0 0
FIRST TR ABERDEEN GLBL OPP F COM SHS 337319107 376 42,747 SH   DFND 1 42,747 0 0
FIRST TR SR FLG RTE INCM FD COM 33733U108 2,067 217,332 SH   DFND 1 217,332 0 0
FLEXION THERAPEUTICS INC COM 33938J106 582 73,900 SH   DFND 1 73,900 0 0
FLOOR & DECOR HLDGS INC CL A 339750101 1,629 50,767 SH   DFND 1 50,767 0 0
GALAPAGOS NV SPON ADR 36315X101 4,182 21,346 SH   DFND 1 21,346 0 0
GCI LIBERTY INC COM CLASS A 36164V305 6,023 105,728 SH   DFND 1 105,728 0 0
GDL FUND COM SH BEN IT 361570104 246 31,314 SH   DFND 1 31,314 0 0
GDS HLDGS LTD SPONSORED ADS 36165L108 18,419 317,726 SH   DFND 1 317,726 0 0
GILEAD SCIENCES INC COM 375558103 13,980 187,000 SH   DFND 1 187,000 0 0
GOLUB CAP BDC INC COM 38173M102 18,603 1,481,119 SH   DFND 1 1,481,119 0 0
GOSSAMER BIO INC COM 38341P102 4,667 459,834 SH   DFND 1 459,834 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 9,050 103,346 SH   DFND 1 103,346 0 0
HIGHLAND INCOME FD HIGHLAND INCOME 43010E404 1,235 144,727 SH   DFND 1 144,727 0 0
HUBSPOT INC COM 443573100 905 6,797 SH   DFND 1 6,797 0 0
IDEXX LABS INC COM 45168D104 1,085 4,481 SH   DFND 1 4,481 0 0
INPHI CORP COM 45772F107 7,672 96,910 SH   DFND 1 96,910 0 0
INTEL CORP COM 458140100 30,821 569,500 SH   DFND 1 569,500 0 0
INVESCO QQQ TR UNIT SER 1 46090E103 174,026 914,000 SH Put DFND 1 914,000 0 0
JD COM INC SPON ADR CL A 47215P106 18,688 461,433 SH   DFND 1 461,433 0 0
JPMORGAN CHASE & CO COM 46625H100 30,845 342,603 SH   DFND 1 342,603 0 0
KURA ONCOLOGY INC COM 50127T109 672 67,561 SH   DFND 1 67,561 0 0
LAM RESEARCH CORP COM 512807108 15,514 64,640 SH   DFND 1 64,640 0 0
LAZARD GLOBAL TOTAL RETURN & COM 52106W103 130 10,800 SH   DFND 1 10,800 0 0
LIBERTY ALL STAR EQUITY FD SH BEN INT 530158104 106 21,842 SH   DFND 1 21,842 0 0
LILLY ELI & CO COM 532457108 1,028 7,413 SH   DFND 1 7,413 0 0
LMP CAP & INCOME FD INC COM 50208A102 117 14,520 SH   DFND 1 14,520 0 0
MACQUARIE / FIRST TR GLOBAL COM 55607W100 242 32,100 SH   DFND 1 32,100 0 0
MACQUARIE GLOBAL INFRASTRUCT COM 55608D101 158 10,219 SH   DFND 1 10,219 0 0
MADISON COVERED CALL & EQUIT COM 557437100 1,347 266,208 SH   DFND 1 266,208 0 0
MASIMO CORP COM 574795100 620 3,500 SH   DFND 1 3,500 0 0
MASTERCARD INC CL A 57636Q104 11,034 45,679 SH   DFND 1 45,679 0 0
MICRON TECHNOLOGY INC COM 595112103 33,005 784,706 SH   DFND 1 784,706 0 0
MICROSOFT CORP COM 594918104 43,848 278,030 SH   DFND 1 278,030 0 0
MIRATI THERAPEUTICS INC COM 60468T105 8,325 108,300 SH   DFND 1 108,300 0 0
MONGODB INC CL A 60937P106 2,407 17,630 SH   DFND 1 17,630 0 0
MORGAN STANLEY CHINA A SH FD COM 617468103 649 35,800 SH   DFND 1 35,800 0 0
NETEASE INC SPONSORED ADS 64110W102 915 2,850 SH   DFND 1 2,850 0 0
NETFLIX INC COM 64110L106 36,092 96,118 SH   DFND 1 96,118 0 0
NEUBERGER BERMAN REAL ESTATE COM 64190A103 66 22,077 SH   DFND 1 22,077 0 0
NEW ORIENTAL ED & TECH GRP I SPON ADR 647581107 574 5,300 SH   DFND 1 5,300 0 0
NEXPOINT STRATEGIC OPORTUNT COM NEW 65340G205 1,683 203,783 SH   DFND 1 203,783 0 0
NUVEEN CR STRATEGIES INCOME COM SHS 67073D102 3,281 578,650 SH   DFND 1 578,650 0 0
NUVEEN TX ADV TOTAL RET STRG COM 67090H102 76 10,730 SH   DFND 1 10,730 0 0
NVIDIA CORP COM 67066G104 7,847 29,770 SH   DFND 1 29,770 0 0
OKTA INC CL A 679295105 7,537 61,645 SH   DFND 1 61,645 0 0
PAYPAL HLDGS INC COM 70450Y103 22,625 236,312 SH   DFND 1 236,312 0 0
PENNYMAC FINL SVCS INC COM 70932M107 24,490 1,107,629 SH   DFND 1 1,107,629 0 0
PIONEER FLOATING RATE TR COM 72369J102 172 22,500 SH   DFND 1 22,500 0 0
PUTNAM PREMIER INCOME TR SH BEN INT 746853100 219 48,221 SH   DFND 1 48,221 0 0
QORVO INC COM 74736K101 5,991 74,298 SH   DFND 1 74,298 0 0
REGENERON PHARMACEUTICALS COM 75886F107 18,181 37,235 SH   DFND 1 37,235 0 0
RINGCENTRAL INC CL A 76680R206 13,867 65,440 SH   DFND 1 65,440 0 0
RIVERNORTH OPPRTUNITIES FD I COM 76881Y109 524 42,200 SH   DFND 1 42,200 0 0
ROYCE VALUE TR INC COM 780910105 193 19,950 SH   DFND 1 19,950 0 0
SALESFORCE COM INC COM 79466L302 18,549 128,830 SH   DFND 1 128,830 0 0
SALIENT MIDSTREAM & MLP FD SH BEN INT 79471V105 523 150,400 SH   DFND 1 150,400 0 0
SBA COMMUNICATIONS CORP NEW CL A 78410G104 7,448 27,589 SH   DFND 1 27,589 0 0
SCORPIO TANKERS INC SHS Y7542C130 4,009 209,656 SH   DFND 1 209,656 0 0
SERVICE CORP INTL COM 817565104 5,322 136,068 SH   DFND 1 136,068 0 0
SERVICENOW INC COM 81762P102 17,005 59,337 SH   DFND 1 59,337 0 0
SMILEDIRECTCLUB INC CL A COM 83192H106 3,776 808,500 SH   DFND 1 808,500 0 0
SOLAR CAP LTD COM 83413U100 2,149 184,595 SH   DFND 1 184,595 0 0
SOURCE CAP INC COM 836144105 516 16,800 SH   DFND 1 16,800 0 0
T MOBILE US INC COM 872590104 9,897 117,960 SH   DFND 1 117,960 0 0
TANDEM DIABETES CARE INC COM NEW 875372203 1,048 16,290 SH   DFND 1 16,290 0 0
TEKLA HEALTHCARE OPPORTUNITI SHS 879105104 195 12,700 SH   DFND 1 12,700 0 0
TELADOC HEALTH INC COM 87918A105 14,074 90,794 SH   DFND 1 90,794 0 0
THERMO FISHER SCIENTIFIC INC COM 883556102 8,524 30,058 SH   DFND 1 30,058 0 0
TORTOISE ENERGY INDEPENDENC COM 89148K101 218 189,210 SH   DFND 1 189,210 0 0
TPG SPECIALTY LENDING INC COM 87265K102 2,397 172,209 SH   DFND 1 172,209 0 0
VERACYTE INC COM 92337F107 2,082 85,660 SH   DFND 1 85,660 0 0
VERTEX PHARMACEUTICALS INC COM 92532F100 9,958 41,850 SH   DFND 1 41,850 0 0
VIRTUS TOTAL RETURN FUND INC COM 92835W107 372 51,654 SH   DFND 1 51,654 0 0
VIRTUS GLOBAL MULTI-SEC INC COM 92829B101 228 23,665 SH   DFND 1 23,665 0 0
VISA INC COM CL A 92826C839 8,552 53,080 SH   DFND 1 53,080 0 0
VOYA ASIA PAC DIVID EQUITY I COM 92912J102 296 45,424 SH   DFND 1 45,424 0 0
VOYA PRIME RATE TR SH BEN INT 92913A100 1,817 489,800 SH   DFND 1 489,800 0 0
WESTERN ASSET GLOBAL HIGH IN COM 95766B109 515 68,897 SH   DFND 1 68,897 0 0
WESTERN ASSET HIGH INCM OPP COM 95766K109 894 212,460 SH   DFND 1 212,460 0 0
WNS HOLDINGS LTD SPON ADR 92932M101 4,769 110,953 SH   DFND 1 110,953 0 0
XAI OCTAGON FLOATNG RATE ALT COM 98400T106 331 73,735 SH   DFND 1 73,735 0 0
ZAI LAB LTD ADR 98887Q104 12,778 248,220 SH   DFND 1 248,220 0 0
ZENDESK INC COM 98936J101 739 11,541 SH   DFND 1 11,541 0 0
ZIMMER BIOMET HOLDINGS INC COM 98956P102 1,846 18,260 SH   DFND 1 18,260 0 0
ZOETIS INC CL A 98978V103 5,862 49,810 SH   DFND 1 49,810 0 0
ZOOM VIDEO COMMUNICATIONS IN CL A 98980L101 7,700 52,695 SH   DFND 1 52,695 0 0