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
21VIANET GROUP INC SPONSORED ADS A 90138A103 10,436 300,828 SH   SOLE   300,828 0 0
ABIOMED INC COM 003654100 858 2,648 SH   SOLE   347 0 2,301
ACI WORLDWIDE INC COM 004498101 1,417 36,876 SH   SOLE   36,876 0 0
AERIE PHARMACEUTICALS INC COM 00771V108 271 20,070 SH   SOLE   10,973 0 9,097
AKOUSTIS TECHNOLOGIES INC COM 00973N102 1,019 83,283 SH   SOLE   16,988 0 66,295
ALGONQUIN PWR UTILS CORP COM 015857105 823 50,000 SH   SOLE   50,000 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 657 5,057 SH   SOLE   945 0 4,112
ALPS ETF TR ALERIAN MLP 00162Q452 633 24,642 SH   DFND   24,642 0 0
ALPS ETF TR ALERIAN MLP 00162Q452 29,509 1,150,000 SH Call SOLE   1,150,000 0 0
ALPS ETF TR ALERIAN MLP 00162Q452 7,698 300,000 SH Put SOLE   300,000 0 0
ALTUS MIDSTREAM CO COM NEW CL A 02215L209 2,296 48,384 SH   SOLE   48,384 0 0
AMERICAN CAMPUS CMNTYS INC COM 024835100 3,038 71,021 SH   SOLE   71,021 0 0
AMERICAN TOWER CORP NEW COM 03027X100 6,759 30,112 SH   SOLE   30,112 0 0
ANTERO MIDSTREAM CORP COM 03676B102 3,921 508,534 SH   DFND   507,965 0 569
ATLANTICA SUSTAINABLE INFR P SHS G0751N103 21,757 572,852 SH   DFND   572,770 0 82
AZURE PWR GLOBAL LTD SHS V0393H103 591 14,502 SH   DFND   14,437 0 65
BLACK STONE MINERALS L P COM UNIT 09225M101 708 106,011 SH   SOLE   106,011 0 0
BRIXMOR PPTY GROUP INC COM 11120U105 1,739 105,073 SH   SOLE   105,073 0 0
BROOKFIELD RENEWABLE PARTNER PARTNERSHIP UNIT G16258108 3,179 73,677 SH   SOLE   73,677 0 0
CHART INDS INC COM PAR $0.01 16115Q308 312 2,650 SH   SOLE   2,390 0 260
CHENIERE ENERGY INC COM NEW 16411R208 30,268 504,221 SH   DFND   503,171 0 1,050
CIA ENERGETICA DE MINAS GERA SP ADR N-V PFD 204409601 1,541 535,237 SH   SOLE   535,237 0 0
CLEARWAY ENERGY INC CL C 18539C204 16,193 507,148 SH   DFND   506,750 0 398
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 920 107,081 SH   SOLE   107,081 0 0
CONTINENTAL RES INC COM 212015101 2,445 150,000 SH Put SOLE   150,000 0 0
CORESITE RLTY CORP COM 21870Q105 2,786 22,241 SH   SOLE   22,241 0 0
COVANTA HLDG CORP COM 22282E102 1,060 80,738 SH   SOLE   80,738 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 1,619 85,301 SH   SOLE   85,301 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 5,028 31,586 SH   SOLE   31,586 0 0
CVR ENERGY INC COM 12662P108 2,480 166,456 SH   SOLE   166,456 0 0
CYRUSONE INC COM 23283R100 3,126 42,737 SH   SOLE   42,575 0 162
CYTOSORBENTS CORP COM NEW 23283X206 761 95,448 SH   SOLE   20,098 0 75,350
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 8,189 442,185 SH   DFND   441,205 0 980
DELEK LOGISTICS PARTNERS LP COM UNT RP INT 24664T103 2,405 75,147 SH   SOLE   75,147 0 0
DIGITAL RLTY TR INC COM 253868103 3,101 22,229 SH   SOLE   22,229 0 0
DOMINION ENERGY INC COM 25746U109 2,301 30,600 SH   SOLE   30,600 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 1,632 310,244 SH   DFND   308,949 0 1,295
ENBRIDGE INC COM 29250N105 44,977 1,405,979 SH   DFND   1,404,704 0 1,275
ENEL AMERICAS S A SPONSORED ADR 29274F104 185 22,546 SH   SOLE   22,546 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 31,050 5,024,345 SH   DFND   5,018,501 0 5,844
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 5,562 900,000 SH Call SOLE   900,000 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 7,793 2,100,422 SH   DFND   2,098,247 0 2,175
ENPHASE ENERGY INC COM 29355A107 4,727 26,938 SH   DFND   26,894 0 44
ENTERPRISE PRODS PARTNERS L COM 293792107 45,245 2,309,620 SH   DFND   2,306,760 0 2,860
EQUINIX INC COM 29444U700 2,215 3,102 SH   SOLE   3,102 0 0
EQUITRANS MIDSTREAM CORP COM 294600101 39,555 4,919,736 SH   DFND   4,913,864 0 5,872
EVERBRIDGE INC COM 29978A104 250 1,675 SH   SOLE   1,227 0 448
EVOQUA WATER TECHNOLOGIES CO COM 30057T105 521 19,295 SH   DFND   18,398 0 897
EXACT SCIENCES CORP COM 30063P105 1,081 8,156 SH   SOLE   1,055 0 7,101
FIRST SOLAR INC COM 336433107 248 2,508 SH   DFND   2,484 0 24
FIRSTENERGY CORP COM 337932107 228 7,445 SH   SOLE   7,445 0 0
FIVE BELOW INC COM 33829M101 232 1,326 SH   SOLE   1,057 0 269
FLEETCOR TECHNOLOGIES INC COM 339041105 1,228 4,500 SH   SOLE   4,500 0 0
FLEXION THERAPEUTICS INC COM 33938J106 218 18,900 SH   SOLE   14,254 0 4,646
FORTRESS TRANS INFRST INVS L COM REP LTD LIAB 34960P101 1,677 71,476 SH   SOLE   71,476 0 0
GDS HLDGS LTD SPONSORED ADS 36165L108 3,148 33,615 SH   SOLE   33,615 0 0
GRUPO AEROPORTUARIO DEL CENT SPON ADR 400501102 724 14,000 SH   SOLE   14,000 0 0
GRUPO AEROPORTUARIO DEL SURE SPON ADR SER B 40051E202 1,099 6,666 SH   SOLE   6,666 0 0
GRUPO AEROPUERTO DEL PACIFIC SPON ADR B 400506101 2,087 18,757 SH   SOLE   18,757 0 0
HESS MIDSTREAM LP CL A SHS 428103105 13,194 674,208 SH   DFND   673,838 0 370
HUBSPOT INC COM 443573100 1,248 3,149 SH   SOLE   498 0 2,651
INGEVITY CORP COM 45688C107 836 11,042 SH   SOLE   2,462 0 8,580
INTRA CELLULAR THERAPIES INC COM 46116X101 203 6,373 SH   SOLE   4,994 0 1,379
ITRON INC COM 465741106 533 5,554 SH   DFND   5,517 0 37
JINKOSOLAR HLDG CO LTD SPONSORED ADR 47759T100 4,636 74,926 SH   SOLE   74,926 0 0
KIMCO RLTY CORP COM 49446R109 1,521 101,334 SH   SOLE   101,334 0 0
KINDER MORGAN INC DEL COM 49456B101 32,004 2,341,160 SH   DFND   2,338,550 0 2,610
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 30,425 716,898 SH   DFND   716,023 0 875
MARATHON PETE CORP COM 56585A102 5,029 121,584 SH   DFND   121,214 0 370
MERCURY SYS INC COM 589378108 804 9,128 SH   SOLE   1,540 0 7,588
MICROSOFT CORP COM 594918104 3,736 16,798 SH   SOLE   16,798 0 0
MID CON ENERGY PARTNERS LP UNIT REPSTG LTD 59560V208 1,486 374,225 SH   SOLE   374,225 0 0
MPLX LP COM UNIT REP LTD 55336V100 4,330 200,000 SH Call SOLE   200,000 0 0
MPLX LP COM UNIT REP LTD 55336V100 40,109 1,852,588 SH   DFND   1,849,783 0 2,805
NEXTERA ENERGY INC COM 65339F101 2,208 28,624 SH   DFND   28,584 0 40
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 32,505 484,785 SH   DFND   484,286 0 499
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 794 330,838 SH   SOLE   330,838 0 0
NIO INC SPON ADS 62914V106 752 15,435 SH   DFND   15,250 0 185
NIU TECHNOLOGIES ADS 65481N100 1,141 40,678 SH   DFND   40,500 0 178
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 1,548 148,534 SH   SOLE   148,534 0 0
NORFOLK SOUTHN CORP COM 655844108 236 992 SH   SOLE   992 0 0
NOVOCURE LTD ORD SHS G6674U108 298 1,723 SH   SOLE   1,400 0 323
NUSTAR ENERGY LP UNIT COM 67058H102 2,162 150,000 SH   SOLE   150,000 0 0
ONEOK INC NEW COM 682680103 33,368 869,399 SH   DFND   868,384 0 1,015
ORBCOMM INC COM 68555P100 232 31,218 SH   SOLE   27,966 0 3,252
PBF ENERGY INC CL A 69318G106 1,466 206,527 SH   SOLE   206,527 0 0
PBF LOGISTICS LP UNIT LTD PTNR 69318Q104 1,687 184,396 SH   SOLE   184,396 0 0
PEMBINA PIPELINE CORP COM 706327103 27,554 1,164,581 SH   DFND   1,163,111 0 1,470
PHILLIPS 66 COM 718546104 2,677 38,273 SH   SOLE   38,273 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 15,909 602,398 SH   DFND   601,518 0 880
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 3,962 150,000 SH Put SOLE   150,000 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 1,484 180,148 SH   DFND   174,978 0 5,170
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 2,884 350,000 SH Call SOLE   350,000 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 6,338 750,000 SH Call SOLE   750,000 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 48,582 5,749,385 SH   DFND   5,744,505 0 4,880
PLANET FITNESS INC CL A 72703H101 707 9,102 SH   SOLE   2,315 0 6,787
PLUG POWER INC COM NEW 72919P202 880 25,953 SH   DFND   25,696 0 257
QTS RLTY TR INC COM CL A 74736A103 2,042 33,000 SH   SOLE   33,000 0 0
RAPID7 INC COM 753422104 1,184 13,133 SH   SOLE   2,582 0 10,551
RATTLER MIDSTREAM LP COM UNITS 75419T103 9,538 1,006,102 SH   SOLE   1,006,102 0 0
RINGCENTRAL INC CL A 76680R206 989 2,609 SH   SOLE   553 0 2,056
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 1,836 52,235 SH   SOLE   52,235 0 0
SBA COMMUNICATIONS CORP NEW CL A 78410G104 6,434 22,806 SH   SOLE   22,806 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 5,283 524,150 SH   DFND   523,465 0 685
SMARTSHEET INC COM CL A 83200N103 1,000 14,438 SH   SOLE   2,753 0 11,685
SOLAREDGE TECHNOLOGIES INC COM 83417M104 386 1,209 SH   DFND   1,195 0 14
SPDR S&P 500 ETF TR TR UNIT 78462F103 18,694 50,000 SH Put SOLE   50,000 0 0
SPDR SER TR S&P OILGAS EXP 78468R556 11,700 200,000 SH Put SOLE   200,000 0 0
SUNNOVA ENERGY INTL INC. COM 86745K104 306 6,783 SH   DFND   6,733 0 50
SUNOCO LP/SUNOCO FIN CORP COM UT REP LP 86765K109 1,727 60,000 SH   SOLE   60,000 0 0
SUNRUN INC COM 86771W105 743 10,708 SH   DFND   10,550 0 158
SVB FINANCIAL GROUP COM 78486Q101 1,177 3,036 SH   SOLE   483 0 2,553
SWITCH INC CL A 87105L104 2,198 134,262 SH   SOLE   134,262 0 0
SWITCHBACK ENERGY ACQUISTN C COM CL A 87105M102 1,332 33,241 SH   DFND   33,131 0 110
TARGA RES CORP COM 87612G101 48,270 1,829,807 SH   DFND   1,827,462 0 2,345
TC ENERGY CORP COM 87807B107 32,019 786,320 SH   DFND   785,515 0 805
TESLA INC COM 88160R101 607 860 SH   DFND   850 0 10
TPI COMPOSITES INC COM 87266J104 587 11,116 SH   DFND   10,995 0 121
TWILIO INC CL A 90138F102 1,006 2,972 SH   SOLE   501 0 2,471
UNION PAC CORP COM 907818108 329 1,580 SH   SOLE   1,580 0 0
UNITED STS OIL FD LP UNITS 91232N207 3,301 100,000 SH Put SOLE   100,000 0 0
VISTRA CORP COM 92840M102 1,475 75,000 SH   SOLE   75,000 0 0
VYNE THERAPEUTICS INC COM NEW 92941V100 19 12,333 SH   SOLE   0 0 12,333
WASTE CONNECTIONS INC COM 94106B101 1,192 11,624 SH   DFND   11,613 0 11
WASTE MGMT INC DEL COM 94106L109 1,105 9,367 SH   SOLE   9,367 0 0
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 2,798 202,475 SH   SOLE   202,475 0 0
WILLIAMS COS INC COM 969457100 35,351 1,763,141 SH   DFND   1,761,130 0 2,011