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 4,709 205,187 SH   SOLE 205,187 0 0
ABIOMED INC COM 003654100 201 643 SH   SOLE 533 0 110
AERIE PHARMACEUTICALS INC COM 00771V108 1,080 67,487 SH   SOLE 12,273 0 55,214
AKOUSTIS TECHNOLOGIES INC COM 00973N102 895 83,608 SH   SOLE 14,128 0 69,480
ALGONQUIN PWR UTILS CORP COM 015857105 565 38,000 SH   SOLE 38,000 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 1,076 6,345 SH   SOLE 1,289 0 5,056
AMERICAN TOWER CORP NEW COM 03027X100 213 790 SH   SOLE 790 0 0
ANTERO MIDSTREAM CORP COM 03676B102 5,196 500,087 SH   DFND 1 2 499,633 0 454
ARRAY TECHNOLOGIES INC COM SHS 04271T100 1,626 104,226 SH   SOLE 102,692 0 1,534
ATLANTICA SUSTAINABLE INFR P SHS G0751N103 24,778 665,717 SH   DFND 1 665,717 0 0
AZURE PWR GLOBAL LTD SHS V0393H103 4,037 149,968 SH   SOLE 149,968 0 0
BANDWIDTH INC COM CL A 05988J103 210 1,519 SH   SOLE 1,077 0 442
BLOOM ENERGY CORP COM CL A 093712107 2,239 83,334 SH   SOLE 83,334 0 0
BROOKFIELD RENEWABLE CORP CL A SUB VTG 11284V105 1,692 40,352 SH   SOLE 40,352 0 0
CABOT OIL & GAS CORP COM 127097103 1,135 65,028 SH   SOLE 65,028 0 0
CHARGEPOINT HOLDINGS INC COM CL A 15961R105 647 18,616 SH   SOLE 18,616 0 0
CHART INDS INC COM 16115Q308 294 2,006 SH   SOLE 1,519 0 487
CHENIERE ENERGY INC COM NEW 16411R208 35,059 404,184 SH   DFND 1 2 403,459 0 725
CHENIERE ENERGY INC COM NEW 16411R208 2,169 25,000 SH Call SOLE 25,000 0 0
CIA ENERGETICA DE MINAS GERA SP ADR N-V PFD 204409601 1,420 596,772 SH   SOLE 596,772 0 0
CLEARWAY ENERGY INC CL C 18539C204 23,427 884,691 SH   DFND 1 2 884,441 0 250
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 792 107,081 SH   SOLE 107,081 0 0
CONTANGO OIL & GAS CO COM NEW 21075N204 894 206,976 SH   SOLE 206,976 0 0
CORESITE RLTY CORP COM 21870Q105 9,052 67,250 SH   SOLE 67,250 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 11,243 375,017 SH   DFND 1 375,017 0 0
CSX CORP COM 126408103 1,002 31,246 SH   SOLE 31,246 0 0
CYRUSONE INC COM 23283R100 2,897 40,500 SH   SOLE 40,500 0 0
CYTOSORBENTS CORP COM NEW 23283X206 900 119,181 SH   SOLE 21,447 0 97,734
DARLING INGREDIENTS INC COM 237266101 1,921 28,460 SH   SOLE 28,460 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 20,900 681,011 SH   DFND 1 2 680,246 0 765
DELEK LOGISTICS PARTNERS LP COM UNT RP INT 24664T103 3,153 75,147 SH   SOLE 75,147 0 0
DIGITAL RLTY TR INC COM 253868103 3,232 21,479 SH   SOLE 21,479 0 0
DOMINION ENERGY INC COM 25746U109 1,711 23,260 SH   SOLE 23,260 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 2,637 289,475 SH   DFND 2 288,450 0 1,025
ENBRIDGE INC COM 29250N105 52,227 1,304,381 SH   DFND 1 2 1,303,386 0 995
ENBRIDGE INC COM 29250N105 4,004 100,000 SH Call SOLE 100,000 0 0
ENEL AMERICAS S A SPONSORED ADR 29274F104 117 16,241 SH   SOLE 16,241 0 0
ENERGY TRANSFER L P COM UT LTD PTN 29273V100 76,420 7,189,046 SH   DFND 1 2 7,181,762 0 7,284
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 13,256 2,074,463 SH   DFND 1 2 2,072,763 0 1,700
ENPHASE ENERGY INC COM 29355A107 3,353 18,258 SH   SOLE 18,258 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 46,467 1,925,699 SH   DFND 1 2 1,923,199 0 2,500
EQUINIX INC COM 29444U700 1,605 2,000 SH   SOLE 2,000 0 0
EQUITRANS MIDSTREAM CORP COM 294600101 26,881 3,158,761 SH   DFND 1 2 3,154,183 0 4,578
EVERBRIDGE INC COM 29978A104 1,021 7,501 SH   SOLE 1,332 0 6,169
EVOQUA WATER TECHNOLOGIES CO COM 30057T105 589 17,428 SH   SOLE 16,078 0 1,350
EXACT SCIENCES CORP COM 30063P105 881 7,087 SH   SOLE 1,260 0 5,827
FLEXION THERAPEUTICS INC COM 33938J106 171 20,835 SH   SOLE 17,178 0 3,657
GDS HLDGS LTD SPONSORED ADS 36165L108 3,163 40,297 SH   SOLE 40,297 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 3,703 318,975 SH   DFND 2 318,125 0 850
GENESIS ENERGY L P UNIT LTD PARTN 371927104 4,644 400,000 SH Call SOLE 400,000 0 0
GOODRICH PETE CORP COM PAR 382410843 855 57,298 SH   SOLE 57,298 0 0
GREEN PLAINS PARTNERS LP COM REP PTR IN 393221106 336 26,225 SH   SOLE 26,225 0 0
GRUPO AEROPORTUARIO DEL SURE SPON ADR SER B 40051E202 306 1,654 SH   SOLE 1,654 0 0
GRUPO AEROPUERTO DEL PACIFIC SPON ADR B 400506101 2,005 18,757 SH   SOLE 18,757 0 0
HESS MIDSTREAM LP CL A SHS 428103105 26,952 1,067,422 SH   DFND 1 2 1,067,057 0 365
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 435763107 345 15,244 SH   SOLE 15,244 0 0
HUBSPOT INC COM 443573100 1,464 2,513 SH   SOLE 414 0 2,099
INGEVITY CORP COM 45688C107 1,191 14,638 SH   SOLE 2,479 0 12,159
INTRA-CELLULAR THERAPIES INC COM 46116X101 309 7,570 SH   SOLE 5,623 0 1,947
ITRON INC COM 465741106 1,231 12,317 SH   SOLE 12,317 0 0
KINDER MORGAN INC DEL COM 49456B101 36,586 2,006,923 SH   DFND 1 2 2,004,913 0 2,010
KINDER MORGAN INC DEL COM 49456B101 1,458 80,000 SH Call SOLE 80,000 0 0
KORNIT DIGITAL LTD SHS M6372Q113 941 7,572 SH   SOLE 1,914 0 5,658
LAREDO PETROLEUM INC COM 516806205 1,004 10,816 SH   SOLE 10,816 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 26,722 546,350 SH   DFND 1 2 545,665 0 685
MARATHON PETE CORP COM 56585A102 20,988 347,375 SH   DFND 1 2 347,080 0 295
MEDALLIA INC COM 584021109 218 6,458 SH   SOLE 5,835 0 623
MICROSOFT CORP COM 594918104 314 1,158 SH   SOLE 1,158 0 0
MPLX LP COM UNIT REP LTD 55336V100 1,481 50,000 SH Call SOLE 50,000 0 0
MPLX LP COM UNIT REP LTD 55336V100 51,143 1,727,234 SH   DFND 1 2 1,724,994 0 2,240
NEW FORTRESS ENERGY INC COM CL A 644393100 380 10,022 SH   SOLE 10,022 0 0
NEXTERA ENERGY INC COM 65339F101 5,235 71,441 SH   SOLE 71,441 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 41,465 543,016 SH   DFND 1 2 542,646 0 370
NIO INC SPON ADS 62914V106 773 14,523 SH   SOLE 14,523 0 0
NIU TECHNOLOGIES ADS 65481N100 473 14,491 SH   SOLE 13,584 0 907
NORFOLK SOUTHN CORP COM 655844108 4,057 15,287 SH   SOLE 15,287 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 3,610 200,000 SH Call SOLE 200,000 0 0
OASIS MIDSTREAM PARTNERS LP COM UNITS REPS 67420T206 6,920 295,086 SH   SOLE 295,086 0 0
ONEOK INC NEW COM 682680103 40,065 720,073 SH   DFND 1 2 719,278 0 795
PBF LOGISTICS LP UNIT LTD PTNR 69318Q104 300 20,160 SH   SOLE 20,160 0 0
PEMBINA PIPELINE CORP COM 706327103 49,287 1,551,360 SH   DFND 1 2 1,550,205 0 1,155
PHILLIPS 66 COM 718546104 3,285 38,273 SH   SOLE 38,273 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 3,745 94,900 SH   DFND 2 94,660 0 240
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 842 74,124 SH   DFND 2 70,834 0 3,290
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 4,776 400,000 SH Call SOLE 400,000 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 58,355 4,887,361 SH   DFND 1 2 4,884,096 0 3,265
PLANET FITNESS INC CL A 72703H101 975 12,959 SH   SOLE 2,466 0 10,493
PLUG POWER INC COM NEW 72919P202 2,854 83,470 SH   SOLE 83,470 0 0
PORTLAND GEN ELEC CO COM NEW 736508847 3,917 85,000 SH   SOLE 85,000 0 0
QTS RLTY TR INC COM CL A 74736A103 2,319 30,000 SH   SOLE 30,000 0 0
RAPID7 INC COM 753422104 1,126 11,899 SH   SOLE 1,767 0 10,132
RATTLER MIDSTREAM LP COM UNITS 75419T103 19,436 1,779,850 SH   DFND 1 1,779,850 0 0
RINGCENTRAL INC CL A 76680R206 871 2,998 SH   SOLE 649 0 2,349
ROYAL DUTCH SHELL PLC CALL 780259906 2,020 50,000 SH Call SOLE 50,000 0 0
SABRE CORP COM 78573M104 1,165 93,336 SH   SOLE 93,336 0 0
SBA COMMUNICATIONS CORP NEW CL A 78410G104 5,418 17,000 SH   SOLE 17,000 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 2,323 157,281 SH   DFND 2 156,736 0 545
SMARTSHEET INC COM CL A 83200N103 1,088 15,038 SH   SOLE 2,792 0 12,246
SOLAREDGE TECHNOLOGIES INC COM 83417M104 5,438 19,678 SH   SOLE 19,678 0 0
SUNOCO LP/SUNOCO FIN CORP COM UT REP LP 86765K109 2,262 60,000 SH   SOLE 60,000 0 0
SUNRUN INC COM 86771W105 4,637 83,139 SH   SOLE 83,139 0 0
SVB FINANCIAL GROUP COM 78486Q101 1,143 2,054 SH   SOLE 402 0 1,652
TARGA RES CORP COM 87612G101 59,346 1,335,111 SH   DFND 1 2 1,333,281 0 1,830
TC ENERGY CORP COM 87807B107 45,259 913,944 SH   DFND 1 2 913,309 0 635
TELLURIAN INC NEW COM 87968A104 2,790 600,000 SH   DFND 1 600,000 0 0
TESLA INC COM 88160R101 379 557 SH   SOLE 557 0 0
TPI COMPOSITES INC COM 87266J104 2,122 43,833 SH   SOLE 43,078 0 755
UNION PAC CORP COM 907818108 4,802 21,834 SH   SOLE 21,834 0 0
VIEW INC COM CL A 92671V106 1,044 123,166 SH   SOLE 24,307 0 98,859
VISTRA CORP COM 92840M102 1,391 75,000 SH   SOLE 75,000 0 0
VODAFONE GROUP PLC NEW SPONSORED ADR 92857W308 6,424 375,000 SH   SOLE 375,000 0 0
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 21,101 985,118 SH   DFND 1 2 984,618 0 500
WILLIAMS COS INC COM 969457100 42,885 1,615,248 SH   DFND 1 2 1,613,667 0 1,581