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
ABERDEEN CHILE FD INC COM 00301W105 199 28,425 SH   DFND 1 28,425 0 0
ABERDEEN INCOME CR STRATEGIE COM 003057106 153 11,085 SH   DFND 1 11,085 0 0
ABERDEEN TOTAL DYNAMIC DIVD COM SH BEN INT 00326L100 193 22,000 SH   DFND 1 22,000 0 0
ADVENT CLAY CONV SEC INC FD COM 007639107 212 37,917 SH   DFND 1 37,917 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 4,833 26,050 SH   DFND 1 26,050 0 0
ALIGN TECHNOLOGY INC COM 016255101 11,330 33,115 SH   DFND 1 33,115 0 0
AMAZON COM INC COM 023135106 31,768 18,689 SH   DFND 1 18,689 0 0
AMGEN INC COM 031162100 12,331 66,800 SH   DFND 1 66,800 0 0
APELLIS PHARMACEUTICALS INC COM 03753U106 12,708 577,616 SH   DFND 1 577,616 0 0
APOLLO TACTICAL INCOME FD IN COM 037638103 378 24,250 SH   DFND 1 24,250 0 0
APPLE INC COM 037833100 20,177 109,000 SH   DFND 1 109,000 0 0
ARBOR RLTY TR INC COM 038923108 1,797 172,300 SH   DFND 1 172,300 0 0
ARES CAP CORP COM 04010L103 38,384 2,333,400 SH   DFND 1 2,333,400 0 0
ARMSTRONG WORLD INDS INC NEW COM 04247X102 600 9,500 SH   DFND 1 9,500 0 0
AT HOME GROUP INC COM 04650Y100 615 15,700 SH   DFND 1 15,700 0 0
AUTOHOME INC SP ADR RP CL A 05278C107 788 7,800 SH   DFND 1 7,800 0 0
BAIDU INC SPON ADR REP A 056752108 285 1,173 SH   DFND 1 1,173 0 0
BANK AMER CORP COM 060505104 36,054 1,278,958 SH   DFND 1 1,278,958 0 0
BAOZUN INC SPONSORED ADR 06684L103 957 17,500 SH   DFND 1 17,500 0 0
BIOGEN INC COM 09062X103 2,923 10,072 SH   DFND 1 10,072 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 3,810 40,445 SH   DFND 1 40,445 0 0
BLACKROCK MUNI INTER DR FD I COM 09253X102 383 29,000 SH   DFND 1 29,000 0 0
BLACKSTONE MTG TR INC COM CL A 09257W100 33,448 1,064,200 SH   DFND 1 1,064,200 0 0
BLUEBIRD BIO INC COM 09609G100 5,485 34,950 SH   DFND 1 34,950 0 0
BOSTON SCIENTIFIC CORP COM 101137107 3,116 95,300 SH   DFND 1 95,300 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 8,116 146,660 SH   DFND 1 146,660 0 0
BROOKFIELD GLOBL LISTED INFR COM SHS 11273Q109 388 32,089 SH   DFND 1 32,089 0 0
CARTER INC COM 146229109 526 4,850 SH   DFND 1 4,850 0 0
CARVANA CO CL A 146869102 37,113 892,150 SH   DFND 1 892,150 0 0
CHILDRENS PL INC COM 168905107 495 4,100 SH   DFND 1 4,100 0 0
CHINA MOBILE LIMITED SPONSORED ADR 16941M109 2,029 45,700 SH   DFND 1 45,700 0 0
CHINA UNICOM (HONG KONG) LTD SPONSORED ADR 16945R104 756 60,400 SH   DFND 1 60,400 0 0
CITIGROUP INC COM NEW 172967424 49,035 732,743 SH   DFND 1 732,743 0 0
CITIGROUP INC W EXP 01/04/201 172967226 3 271,800 SH   DFND 1 271,800 0 0
COMMUNITY HEALTHCARE TR INC COM 20369C106 6,491 217,300 SH   DFND 1 217,300 0 0
CORREVIO PHARMA CORP COM 22026V105 7,795 2,062,263 SH   DFND 1 2,062,263 0 0
CREDIT ACCEP CORP MICH COM 225310101 17,329 49,035 SH   DFND 1 49,035 0 0
CREDIT SUISSE NASSAU BRH VELOCITY SHS DAI 22542D332 275 5,220 SH   DFND 1 5,220 0 0
CRISPR THERAPEUTICS AG NAMEN AKT H17182108 22,495 382,831 SH   DFND 1 382,831 0 0
D R HORTON INC COM 23331A109 24,514 597,895 SH   DFND 1 597,895 0 0
DBX ETF TR DBXTR HAR CS 300 233051879 1,197 45,100 SH   DFND 1 45,100 0 0
DUFF & PHELPS SLCT ENGY MLP COM 26433F108 302 54,400 SH   DFND 1 54,400 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 6,130 79,400 SH   DFND 1 79,400 0 0
FACEBOOK INC CL A 30303M102 37,151 191,185 SH   DFND 1 191,185 0 0
FIRST REP BK SAN FRANCISCO C COM 33616C100 581 6,000 SH   DFND 1 6,000 0 0
FIRST TR HIGH INCOME L/S FD COM 33738E109 188 12,779 SH   DFND 1 12,779 0 0
FIRSTHAND TECH VALUE FD INC COM 33766Y100 272 19,200 SH   DFND 1 19,200 0 0
FLOOR & DECOR HLDGS INC CL A 339750101 543 11,000 SH   DFND 1 11,000 0 0
FRANKLIN LTD DURATION INC TR COM 35472T101 146 13,388 SH   DFND 1 13,388 0 0
GABELLI UTIL TR COM 36240A101 1,837 311,900 SH   DFND 1 311,900 0 0
GALAPAGOS NV SPON ADR 36315X101 4,725 51,253 SH   DFND 1 51,253 0 0
GCI LIBERTY INC COM CLASS A 36164V305 46,042 1,021,349 SH   DFND 1 1,021,349 0 0
GLOBAL MED REIT INC COM NEW 37954A204 4,216 475,800 SH   DFND 1 475,800 0 0
GOLUB CAP BDC INC COM 38173M102 13,108 716,266 SH   DFND 1 716,266 0 0
GRANITE PT MTG TR INC COM 38741L107 8,259 450,100 SH   DFND 1 450,100 0 0
GTT COMMUNICATIONS INC COM 362393100 10,211 226,900 SH   DFND 1 226,900 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 7,171 51,391 SH   DFND 1 51,391 0 0
HALYARD HEALTH INC COM 40650V100 6,269 109,500 SH   DFND 1 109,500 0 0
HIGHLAND FLOATNG RATE OPPRT SHS BEN INT 43010E404 347 22,227 SH   DFND 1 22,227 0 0
HOME DEPOT INC COM 437076102 6,946 35,600 SH   DFND 1 35,600 0 0
ILLUMINA INC COM 452327109 12,722 45,550 SH   DFND 1 45,550 0 0
INSTALLED BLDG PRODS INC COM 45780R101 6,215 109,900 SH   DFND 1 109,900 0 0
INTEL CORP COM 458140100 10,270 206,600 SH   DFND 1 206,600 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 10,083 570,624 SH   DFND 1 570,624 0 0
INVESCO MUN TR COM 46131J103 389 32,900 SH   DFND 1 32,900 0 0
INVESCO QUALITY MUNI INC TRS COM 46133G107 390 32,700 SH   DFND 1 32,700 0 0
IQIYI INC SPONSORED ADS 46267X108 688 21,300 SH   DFND 1 21,300 0 0
IRHYTHM TECHNOLOGIES INC COM 450056106 1,249 15,400 SH   DFND 1 15,400 0 0
ISHARES TR CORE S&P500 ETF 464287200 969 3,550 SH   DFND 1 3,550 0 0
ISHARES TR RUS 1000 ETF 464287622 973 6,400 SH   DFND 1 6,400 0 0
IVY HIGH INC OPPORTUNITIES F COM 465893105 497 34,700 SH   DFND 1 34,700 0 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 879 5,100 SH   DFND 1 5,100 0 0
JD COM INC SPON ADR CL A 47215P106 21,461 551,000 SH   DFND 1 551,000 0 0
JPMORGAN CHASE & CO COM 46625H100 29,791 285,900 SH   DFND 1 285,900 0 0
KINDER MORGAN INC DEL COM 49456B101 21,022 1,189,700 SH   DFND 1 1,189,700 0 0
KKR INCOME OPPORTUNITIES FD COM 48249T106 2,855 172,401 SH   DFND 1 172,401 0 0
KURA ONCOLOGY INC COM 50127T109 2,300 126,361 SH   DFND 1 126,361 0 0
LADDER CAP CORP CL A 505743104 7,145 457,416 SH   DFND 1 457,416 0 0
LAM RESEARCH CORP COM 512807108 5,936 34,340 SH   DFND 1 34,340 0 0
LENNAR CORP CL A 526057104 30,193 575,097 SH   DFND 1 575,097 0 0
LIBERTY ALL STAR EQUITY FD SH BEN INT 530158104 2,123 331,700 SH   DFND 1 331,700 0 0
MACQUARIE FT TR GB INF UT DI COM 55607W100 492 45,400 SH   DFND 1 45,400 0 0
MADISON CVRED CALL & EQ STR COM 557437100 275 36,965 SH   DFND 1 36,965 0 0
MASONITE INTL CORP NEW COM 575385109 604 8,400 SH   DFND 1 8,400 0 0
MFS HIGH YIELD MUN TR SH BEN INT 59318E102 395 87,514 SH   DFND 1 87,514 0 0
MICROSOFT CORP COM 594918104 37,856 383,900 SH   DFND 1 383,900 0 0
MILLER HOWARD HIGH INC EQTY COM SHS BEN IN 600379101 331 27,523 SH   DFND 1 27,523 0 0
MIMECAST LTD ORD SHS G14838109 11,419 277,100 SH   DFND 1 277,100 0 0
MOHAWK INDS INC COM 608190104 600 2,800 SH   DFND 1 2,800 0 0
MOMO INC ADR 60879B107 735 16,900 SH   DFND 1 16,900 0 0
MONOLITHIC PWR SYS INC COM 609839105 11,923 89,200 SH   DFND 1 89,200 0 0
MORGAN STANLEY COM NEW 617446448 11,713 247,100 SH   DFND 1 247,100 0 0
MORGAN STANLEY CHINA A SH FD COM 617468103 1,380 59,800 SH   DFND 1 59,800 0 0
NEUBERGER BERMAN RE ES SEC F COM 64190A103 382 74,297 SH   DFND 1 74,297 0 0
NEXPOINT CR STRATEGIES FD COM NEW 65340G205 1,163 53,000 SH   DFND 1 53,000 0 0
NUVEEN ALL CAP ENE MLP OPPO COM 67075E108 126 15,000 SH   DFND 1 15,000 0 0
NVIDIA CORP COM 67066G104 14,820 62,560 SH   DFND 1 62,560 0 0
NXSTAGE MEDICAL INC COM 67072V103 3,820 136,900 SH   DFND 1 136,900 0 0
PERRIGO CO PLC SHS G97822103 4,163 57,100 SH   DFND 1 57,100 0 0
PFIZER INC COM 717081103 7,644 210,700 SH   DFND 1 210,700 0 0
POOL CORPORATION COM 73278L105 606 4,000 SH   DFND 1 4,000 0 0
PROOFPOINT INC COM 743424103 13,168 114,200 SH   DFND 1 114,200 0 0
PULTE GROUP INC COM 745867101 7,869 273,694 SH   DFND 1 273,694 0 0
QORVO INC COM 74736K101 11,424 142,500 SH   DFND 1 142,500 0 0
REAVES UTIL INCOME FD COM SH BEN INT 756158101 1,318 45,577 SH   DFND 1 45,577 0 0
SALESFORCE COM INC COM 79466L302 8,525 62,500 SH   DFND 1 62,500 0 0
SERVICE CORP INTL COM 817565104 5,507 153,868 SH   DFND 1 153,868 0 0
SERVICENOW INC COM 81762P102 9,441 54,740 SH   DFND 1 54,740 0 0
SIENNA BIOPHARMACEUTICALS IN COM 82622H108 4,446 292,695 SH   DFND 1 292,695 0 0
SOLAR CAP LTD COM 83413U100 17,939 877,623 SH   DFND 1 877,623 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 963 3,550 SH   DFND 1 3,550 0 0
STARWOOD PPTY TR INC COM 85571B105 46,848 2,157,882 SH   DFND 1 2,157,882 0 0
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADR 874039100 245 6,700 SH   DFND 1 6,700 0 0
TAL ED GROUP ADS REPSTG COM 874080104 1,284 34,900 SH   DFND 1 34,900 0 0
TCG BDC INC COM 872280102 3,261 191,600 SH   DFND 1 191,600 0 0
TEKLA HEALTHCARE INVS SH BEN INT 87911J103 200 9,300 SH   DFND 1 9,300 0 0
TEKLA WORLD HEALTHCARE FD BEN INT SHS 87911L108 582 45,200 SH   DFND 1 45,200 0 0
TELADOC INC COM 87918A105 7,982 137,500 SH   DFND 1 137,500 0 0
TOLL BROTHERS INC COM 889478103 610 16,500 SH   DFND 1 16,500 0 0
TPG SPECIALTY LENDING INC COM 87265K102 16,873 940,546 SH   DFND 1 940,546 0 0
TRANSDIGM GROUP INC COM 893641100 13,264 38,430 SH   DFND 1 38,430 0 0
TRI POINTE HOMES INC COM 87265H109 5,245 320,571 SH   DFND 1 320,571 0 0
TRUECAR INC COM 89785L107 11,565 1,146,200 SH   DFND 1 1,146,200 0 0
VANGUARD INDEX FDS S&P 500 ETF SHS 922908363 973 3,900 SH   DFND 1 3,900 0 0
VERTEX PHARMACEUTICALS INC COM 92532F100 8,704 51,212 SH   DFND 1 51,212 0 0
VIASAT INC COM 92552V100 22,591 343,752 SH   DFND 1 343,752 0 0
VIRTUSA CORP COM 92827P102 4,931 101,300 SH   DFND 1 101,300 0 0
WAVE LIFE SCIENCES LTD SHS Y95308105 4,976 130,103 SH   DFND 1 130,103 0 0
WAYFAIR INC CL A 94419L101 11,009 92,700 SH   DFND 1 92,700 0 0
WELLS FARGO ADV GLB DIV OPP COM 94987C103 193 34,524 SH   DFND 1 34,524 0 0
WELLS FARGO ADVANTAGE INCOME COM SHS 94987B105 190 23,800 SH   DFND 1 23,800 0 0
WELLS FARGO ADVANTAGE MULTI COM SHS 94987D101 2,164 173,363 SH   DFND 1 173,363 0 0
WELLTOWER INC COM 95040Q104 21,691 346,000 SH   DFND 1 346,000 0 0
WESTERN ASSET GLOBAL CP DEFI COM 95790C107 202 12,086 SH   DFND 1 12,086 0 0
WISDOMTREE TR INDIA ERNGS FD 97717W422 8,445 335,500 SH   DFND 1 335,500 0 0
WNS HOLDINGS LTD SPON ADR 92932M101 5,912 113,300 SH   DFND 1 113,300 0 0
ZENDESK INC COM 98936J101 4,833 88,700 SH   DFND 1 88,700 0 0