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 EMRG MRKTS EQT INM COM 00301W105 195 28,425 SH   DFND 1 28,425 0 0
ABERDEEN INCOME CR STRATEGIE COM 003057106 158 11,085 SH   DFND 1 11,085 0 0
ADVENT CLAYMORE CV SECS & IN COM 00764C109 742 47,367 SH   DFND 1 47,367 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 4,803 29,150 SH   DFND 1 29,150 0 0
ALIGN TECHNOLOGY INC COM 016255101 9,200 23,515 SH   DFND 1 23,515 0 0
ALTABA INC COM 021346101 1,151 16,900 SH   DFND 1 16,900 0 0
AMAZON COM INC COM 023135106 34,490 17,219 SH   DFND 1 17,219 0 0
AMGEN INC COM 031162100 13,246 63,900 SH   DFND 1 63,900 0 0
APELLIS PHARMACEUTICALS INC COM 03753U106 10,474 589,116 SH   DFND 1 589,116 0 0
APOLLO SR FLOATING RATE FD I COM 037636107 400 25,000 SH   DFND 1 25,000 0 0
APOLLO TACTICAL INCOME FD IN COM 037638103 255 16,419 SH   DFND 1 16,419 0 0
APPLE INC COM 037833100 18,750 83,060 SH   DFND 1 83,060 0 0
ARBOR RLTY TR INC COM 038923108 991 86,300 SH   DFND 1 86,300 0 0
ARES CAP CORP COM 04010L103 36,281 2,110,600 SH   DFND 1 2,110,600 0 0
ARMSTRONG WORLD INDS INC NEW COM 04247X102 661 9,500 SH   DFND 1 9,500 0 0
AT HOME GROUP INC COM 04650Y100 564 17,900 SH   DFND 1 17,900 0 0
AVANOS MED INC COM 05350V106 5,973 87,200 SH   DFND 1 87,200 0 0
BAIDU INC SPON ADR REP A 056752108 268 1,173 SH   DFND 1 1,173 0 0
BANK AMER CORP COM 060505104 35,987 1,221,558 SH   DFND 1 1,221,558 0 0
BAOZUN INC SPONSORED ADR 06684L103 1,064 21,900 SH   DFND 1 21,900 0 0
BARINGS BDC INC COM 06759L103 3,541 353,700 SH   DFND 1 353,700 0 0
BIOGEN INC COM 09062X103 3,249 9,197 SH   DFND 1 9,197 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 3,486 35,945 SH   DFND 1 35,945 0 0
BLACKROCK 2022 GBL INCM OPP COM 09258P104 199 22,200 SH   DFND 1 22,200 0 0
BLACKROCK MUNI INTER DR FD I COM 09253X102 183 13,964 SH   DFND 1 13,964 0 0
BLACKSTONE MTG TR INC COM CL A 09257W100 32,093 957,700 SH   DFND 1 957,700 0 0
BLUEBIRD BIO INC COM 09609G100 3,190 21,850 SH   DFND 1 21,850 0 0
BOSTON SCIENTIFIC CORP COM 101137107 3,669 95,300 SH   DFND 1 95,300 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 8,832 142,260 SH   DFND 1 142,260 0 0
CARTER INC COM 146229109 636 6,450 SH   DFND 1 6,450 0 0
CARVANA CO CL A 146869102 31,694 536,360 SH   DFND 1 536,360 0 0
CHILDRENS PL INC COM 168905107 677 5,300 SH   DFND 1 5,300 0 0
CHINA FD INC COM 169373107 1,049 53,500 SH   DFND 1 53,500 0 0
CHINA MOBILE LIMITED SPONSORED ADR 16941M109 2,544 52,000 SH   DFND 1 52,000 0 0
CISCO SYS INC COM 17275R102 2,291 47,100 SH   DFND 1 47,100 0 0
CITIGROUP INC W EXP 01/04/201 172967226 0 271,800 SH   DFND 1 271,800 0 0
CITIGROUP INC COM NEW 172967424 49,432 689,043 SH   DFND 1 689,043 0 0
COMMUNITY HEALTHCARE TR INC COM 20369C106 6,732 217,300 SH   DFND 1 217,300 0 0
CORNERSTONE STRATEGIC VALUE COM 21924B302 1,778 127,000 SH   DFND 1 127,000 0 0
CORNERSTONE TOTAL RTRN FD IN COM 21924U300 991 71,400 SH   DFND 1 71,400 0 0
CORREVIO PHARMA CORP COM 22026V105 8,600 2,139,294 SH   DFND 1 2,139,294 0 0
CREDIT ACCEP CORP MICH COM 225310101 14,196 32,405 SH   DFND 1 32,405 0 0
CRISPR THERAPEUTICS AG NAMEN AKT H17182108 14,978 337,731 SH   DFND 1 337,731 0 0
D R HORTON INC COM 23331A109 22,440 531,995 SH   DFND 1 531,995 0 0
DBX ETF TR XTRACK HRVST CSI 233051879 1,143 45,100 SH   DFND 1 45,100 0 0
DEUTSCHE MULTI-MKT INCOME TR SHS 25160E102 200 22,300 SH   DFND 1 22,300 0 0
DEUTSCHE STRATEGIC INCOME TR SHS 25160F109 156 12,400 SH   DFND 1 12,400 0 0
DIVIDEND & INCOME FUND COM NEW 25538A204 273 22,900 SH   DFND 1 22,900 0 0
DUFF & PHELPS GLB UTL INC FD COM 26433C105 263 18,150 SH   DFND 1 18,150 0 0
DWS STRATEGIC MUN INCOME TR COM 23342Q101 201 19,000 SH   DFND 1 19,000 0 0
FACEBOOK INC CL A 30303M102 7,974 48,485 SH   DFND 1 48,485 0 0
FIRST REP BK SAN FRANCISCO C COM 33616C100 1,114 11,600 SH   DFND 1 11,600 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 557 32,900 SH   DFND 1 32,900 0 0
FLOOR & DECOR HLDGS INC CL A 339750101 492 16,300 SH   DFND 1 16,300 0 0
GABELLI UTIL TR COM 36240A101 913 156,877 SH   DFND 1 156,877 0 0
GALAPAGOS NV SPON ADR 36315X101 2,311 20,553 SH   DFND 1 20,553 0 0
GCI LIBERTY INC COM CLASS A 36164V305 45,892 899,849 SH   DFND 1 899,849 0 0
GDS HLDGS LTD SPONSORED ADR 36165L108 6,965 198,253 SH   DFND 1 198,253 0 0
GOLUB CAP BDC INC COM 38173M102 13,430 716,266 SH   DFND 1 716,266 0 0
GRANITE PT MTG TR INC COM 38741L107 10,324 535,500 SH   DFND 1 535,500 0 0
GTT COMMUNICATIONS INC COM 362393100 9,713 223,800 SH   DFND 1 223,800 0 0
GUIDEWIRE SOFTWARE INC COM 40171V100 8,121 80,400 SH   DFND 1 80,400 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 6,908 39,991 SH   DFND 1 39,991 0 0
HANCOCK JOHN FINL OPPTYS FD SH BEN INT NEW 409735206 1,010 27,300 SH   DFND 1 27,300 0 0
HIGH INCOME SECS FD SHS BEN INT 42968F108 382 40,334 SH   DFND 1 40,334 0 0
HIGHLAND FLOATNG RATE OPPRT SHS BEN INT 43010E404 343 22,227 SH   DFND 1 22,227 0 0
HOME DEPOT INC COM 437076102 7,375 35,600 SH   DFND 1 35,600 0 0
HUYA INC ADS REP SHS A 44852D108 241 10,200 SH   DFND 1 10,200 0 0
ILLUMINA INC COM 452327109 12,021 32,750 SH   DFND 1 32,750 0 0
INSTALLED BLDG PRODS INC COM 45780R101 4,403 112,900 SH   DFND 1 112,900 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 10,885 501,624 SH   DFND 1 501,624 0 0
INVESCO HIGH INCOME TR II COM 46131F101 1,056 77,046 SH   DFND 1 77,046 0 0
INVESCO MUN TR COM 46131J103 198 17,185 SH   DFND 1 17,185 0 0
INVESCO QUALITY MUNI INC TRS COM 46133G107 379 32,700 SH   DFND 1 32,700 0 0
IQIYI INC SPONSORED ADS 46267X108 799 29,500 SH   DFND 1 29,500 0 0
IRHYTHM TECHNOLOGIES INC COM 450056106 1,458 15,400 SH   DFND 1 15,400 0 0
IVY HIGH INC OPPORTUNITIES F COM 465893105 495 34,700 SH   DFND 1 34,700 0 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 857 5,100 SH   DFND 1 5,100 0 0
JD COM INC SPON ADR CL A 47215P106 292 11,200 SH   DFND 1 11,200 0 0
JPMORGAN CHASE & CO COM 46625H100 32,430 287,400 SH   DFND 1 287,400 0 0
KINDER MORGAN INC DEL COM 49456B101 17,039 961,000 SH   DFND 1 961,000 0 0
KKR INCOME OPPORTUNITIES FD COM 48249T106 1,925 117,305 SH   DFND 1 117,305 0 0
KURA ONCOLOGY INC COM 50127T109 1,405 80,261 SH   DFND 1 80,261 0 0
LADDER CAP CORP CL A 505743104 7,749 457,416 SH   DFND 1 457,416 0 0
LATIN AMERN DISCOVERY FD INC COM 51828C106 840 75,698 SH   DFND 1 75,698 0 0
LENNAR CORP CL A 526057104 23,350 500,097 SH   DFND 1 500,097 0 0
LIBERTY ALL STAR EQUITY FD SH BEN INT 530158104 1,129 165,800 SH   DFND 1 165,800 0 0
LUXOFT HLDG INC ORD SHS CL A G57279104 8,997 190,000 SH   DFND 1 190,000 0 0
MACQUARIE FT TR GB INF UT DI COM 55607W100 128 11,769 SH   DFND 1 11,769 0 0
MADISON CVRED CALL & EQ STR COM 557437100 1,140 148,246 SH   DFND 1 148,246 0 0
MASONITE INTL CORP NEW COM 575385109 538 8,400 SH   DFND 1 8,400 0 0
MEXICO EQUITY & INCOME FD COM 592834105 490 39,894 SH   DFND 1 39,894 0 0
MFS HIGH YIELD MUN TR SH BEN INT 59318E102 387 85,031 SH   DFND 1 85,031 0 0
MICROSOFT CORP COM 594918104 43,278 378,400 SH   DFND 1 378,400 0 0
MIMECAST LTD ORD SHS G14838109 10,252 244,800 SH   DFND 1 244,800 0 0
MOHAWK INDS INC COM 608190104 491 2,800 SH   DFND 1 2,800 0 0
MOMO INC ADR 60879B107 9,583 218,800 SH   DFND 1 218,800 0 0
MONOLITHIC PWR SYS INC COM 609839105 10,293 82,000 SH   DFND 1 82,000 0 0
MORGAN STANLEY COM NEW 617446448 10,623 228,100 SH   DFND 1 228,100 0 0
MORGAN STANLEY CHINA A SH FD COM 617468103 1,285 59,800 SH   DFND 1 59,800 0 0
NEUBERGER BERMAN RE ES SEC F COM 64190A103 417 84,469 SH   DFND 1 84,469 0 0
NEXPOINT STRATEGIC OPORTUNT COM NEW 65340G205 603 26,900 SH   DFND 1 26,900 0 0
NUVEEN FLTNG RTE INCM OPP FD COM SHS 6706EN100 163 15,803 SH   DFND 1 15,803 0 0
NUVEEN SR INCOME FD COM 67067Y104 293 47,600 SH   DFND 1 47,600 0 0
NVIDIA CORP COM 67066G104 15,013 53,425 SH   DFND 1 53,425 0 0
PERRIGO CO PLC SHS G97822103 3,179 44,900 SH   DFND 1 44,900 0 0
PFIZER INC COM 717081103 9,286 210,700 SH   DFND 1 210,700 0 0
POOL CORPORATION COM 73278L105 668 4,000 SH   DFND 1 4,000 0 0
PULTE GROUP INC COM 745867101 5,860 236,594 SH   DFND 1 236,594 0 0
QORVO INC COM 74736K101 6,920 90,000 SH   DFND 1 90,000 0 0
REALPAGE INC COM 75606N109 8,817 133,800 SH   DFND 1 133,800 0 0
REDFIN CORP COM 75737F108 6,367 340,500 SH   DFND 1 340,500 0 0
SALESFORCE COM INC COM 79466L302 25,411 159,790 SH   DFND 1 159,790 0 0
SERVICE CORP INTL COM 817565104 2,876 65,068 SH   DFND 1 65,068 0 0
SERVICENOW INC COM 81762P102 9,633 49,240 SH   DFND 1 49,240 0 0
SHOPIFY INC CL A 82509L107 10,213 62,100 SH   DFND 1 62,100 0 0
SIENNA BIOPHARMACEUTICALS IN COM 82622H108 3,606 243,295 SH   DFND 1 243,295 0 0
SOLAR CAP LTD COM 83413U100 21,107 987,231 SH   DFND 1 987,231 0 0
STARWOOD PPTY TR INC COM 85571B105 43,117 2,003,582 SH   DFND 1 2,003,582 0 0
TAL ED GROUP SPONSORED ADS 874080104 980 38,100 SH   DFND 1 38,100 0 0
TEKLA HEALTHCARE INVS SH BEN INT 87911J103 215 9,300 SH   DFND 1 9,300 0 0
TEKLA WORLD HEALTHCARE FD BEN INT SHS 87911L108 634 45,200 SH   DFND 1 45,200 0 0
TELADOC INC COM 87918A105 8,350 96,700 SH   DFND 1 96,700 0 0
TOLL BROTHERS INC COM 889478103 545 16,500 SH   DFND 1 16,500 0 0
TORTOISE MLP FD INC COM 89148B101 1,010 62,821 SH   DFND 1 62,821 0 0
TPG SPECIALTY LENDING INC COM 87265K102 19,455 954,146 SH   DFND 1 954,146 0 0
TRANSDIGM GROUP INC COM 893641100 12,595 33,830 SH   DFND 1 33,830 0 0
TRUECAR INC COM 89785L107 13,122 930,638 SH   DFND 1 930,638 0 0
VERACYTE INC COM 92337F107 2,865 300,000 SH   DFND 1 300,000 0 0
VERTEX PHARMACEUTICALS INC COM 92532F100 8,811 45,712 SH   DFND 1 45,712 0 0
VIASAT INC COM 92552V100 18,012 281,652 SH   DFND 1 281,652 0 0
VIRTUSA CORP COM 92827P102 4,270 79,500 SH   DFND 1 79,500 0 0
VOYA ASIA PAC DIVID EQUITY I COM 92912J102 434 45,459 SH   DFND 1 45,459 0 0
WAVE LIFE SCIENCES LTD SHS Y95308105 3,415 68,303 SH   DFND 1 68,303 0 0
WAYFAIR INC CL A 94419L101 8,469 57,350 SH   DFND 1 57,350 0 0
WELLS FARGO ADV GLB DIV OPP COM 94987C103 100 18,973 SH   DFND 1 18,973 0 0
WELLS FARGO INCOME OPPORTUNI WF INC OPPTY FD 94987B105 188 23,800 SH   DFND 1 23,800 0 0
WELLS FARGO MULTI SECTOR INC COM 94987D101 1,105 90,871 SH   DFND 1 90,871 0 0
WELLTOWER INC COM 95040Q104 9,815 152,600 SH   DFND 1 152,600 0 0
WISDOMTREE TR INDIA ERNGS FD 97717W422 5,393 223,700 SH   DFND 1 223,700 0 0
WNS HOLDINGS LTD SPON ADR 92932M101 4,537 89,400 SH   DFND 1 89,400 0 0
YELP INC CL A 985817105 20,566 418,000 SH   DFND 1 418,000 0 0
ZENDESK INC COM 98936J101 6,702 94,400 SH   DFND 1 94,400 0 0