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 7,833 452,535 SH   SOLE 452,535 0 0
ABIOMED INC COM 003654100 200 614 SH   SOLE 533 0 81
AERIE PHARMACEUTICALS INC COM 00771V108 785 68,869 SH   SOLE 12,273 0 56,596
AES CORP COM 00130H105 402 17,587 SH   SOLE 17,587 0 0
AKOUSTIS TECHNOLOGIES INC COM 00973N102 847 87,353 SH   SOLE 17,958 0 69,395
ALLIANCE RESOURCE PARTNERS L UT LTD PART 01877R108 780 71,721 SH   SOLE 71,721 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 1,171 6,204 SH   SOLE 1,133 0 5,071
ARCHAEA ENERGY INC COM CL A 03940F103 355 18,759 SH   SOLE 18,759 0 0
ARRAY TECHNOLOGIES INC COM SHS 04271T100 1,507 81,396 SH   SOLE 78,645 0 2,751
AT&T INC COM 00206R102 5,672 210,013 SH   SOLE 210,013 0 0
ATLANTICA SUSTAINABLE INFR P SHS G0751N103 21,288 616,866 SH   DFND 1 616,866 0 0
AZURE PWR GLOBAL LTD SHS V0393H103 6,331 287,795 SH   SOLE 287,795 0 0
BLACK STONE MINERALS L P COM UNIT 09225M101 583 48,342 SH   SOLE 48,342 0 0
BLOOM ENERGY CORP COM CL A 093712107 1,601 85,512 SH   SOLE 85,512 0 0
BROOKFIELD RENEWABLE CORP CL A SUB VTG 11284V105 1,358 35,000 SH   SOLE 35,000 0 0
CABOT OIL & GAS CORP COM 127097103 1,163 53,452 SH   SOLE 53,452 0 0
CHARGEPOINT HOLDINGS INC COM CL A 15961R105 402 20,094 SH   SOLE 20,094 0 0
CHART INDS INC COM 16115Q308 306 1,599 SH   SOLE 1,176 0 423
CHENIERE ENERGY INC COM NEW 16411R208 47,592 487,272 SH   DFND 1 2 486,562 0 710
CHINDATA GROUP HLDGS LTD ADS 16955F107 1,399 166,302 SH   SOLE 166,302 0 0
CIA ENERGETICA DE MINAS GERA SP ADR N-V PFD 204409601 1,504 596,772 SH   SOLE 596,772 0 0
CIMAREX ENERGY CO COM 171798101 1,162 13,330 SH   SOLE 13,330 0 0
CLEARWAY ENERGY INC CL C 18539C204 25,693 848,801 SH   DFND 1 848,521 0 280
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 758 107,081 SH   SOLE 107,081 0 0
CONTANGO OIL & GAS CO COM NEW 21075N204 946 206,976 SH   SOLE 206,976 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 11,339 399,554 SH   DFND 1 399,554 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 2,305 13,300 SH   SOLE 13,300 0 0
CSX CORP COM 126408103 416 14,000 SH   SOLE 14,000 0 0
CYRUSONE INC COM 23283R100 7,307 94,392 SH   SOLE 94,392 0 0
CYTOSORBENTS CORP COM NEW 23283X206 982 120,879 SH   SOLE 21,447 0 99,432
DARLING INGREDIENTS INC COM 237266101 711 9,893 SH   SOLE 9,893 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 17,616 624,012 SH   DFND 1 2 623,082 0 930
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 5,646 200,000 SH Call SOLE 200,000 0 0
DELEK LOGISTICS PARTNERS LP COM UNT RP INT 24664T103 3,399 75,147 SH   SOLE 75,147 0 0
DEVON ENERGY CORP NEW COM 25179M103 776 21,845 SH   SOLE 21,845 0 0
DIGITAL RLTY TR INC COM 253868103 3,415 23,642 SH   SOLE 23,642 0 0
DT MIDSTREAM INC COMMON STOCK 23345M107 4,891 105,771 SH   DFND 1 105,771 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 3,693 454,745 SH   DFND 2 453,720 0 1,025
ENBRIDGE INC COM 29250N105 50,244 1,262,400 SH   DFND 1 2 1,261,315 0 1,085
ENBRIDGE INC COM 29250N105 7,960 200,000 SH Call SOLE 200,000 0 0
ENEL AMERICAS S A SPONSORED ADR 29274F104 95 16,241 SH   SOLE 16,241 0 0
ENERGY TRANSFER L P COM UT LTD PTN 29273V100 67,047 6,998,677 SH   DFND 1 2 6,991,493 0 7,184
ENERGY TRANSFER L P COM UT LTD PTN 29273V100 2,874 300,000 SH Call SOLE 300,000 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 16,012 2,347,747 SH   DFND 1 2 2,345,397 0 2,350
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 1,364 200,000 SH Call SOLE 200,000 0 0
ENPHASE ENERGY INC COM 29355A107 6,166 41,118 SH   SOLE 41,118 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 31,256 1,444,385 SH   DFND 1 2 1,441,935 0 2,450
EQUINIX INC COM 29444U700 1,580 2,000 SH   SOLE 2,000 0 0
EQUITRANS MIDSTREAM CORP COM 294600101 40,314 3,975,788 SH   DFND 1 2 3,971,280 0 4,508
EVERBRIDGE INC COM 29978A104 1,136 7,522 SH   SOLE 1,332 0 6,190
EVGO INC CL A COM 30052F100 2,264 277,753 SH   SOLE 277,753 0 0
EVOQUA WATER TECHNOLOGIES CO COM 30057T105 559 14,885 SH   SOLE 13,589 0 1,296
EXACT SCIENCES CORP COM 30063P105 678 7,107 SH   SOLE 1,260 0 5,847
FIRST SOLAR INC COM 336433107 322 3,372 SH   SOLE 3,372 0 0
FORTRESS TRANS INFRST INVS L COM REP LTD LIAB 34960P101 3,426 135,000 SH   SOLE 135,000 0 0
FUELCELL ENERGY INC COM 35952H601 145 21,651 SH   SOLE 21,651 0 0
GDS HLDGS LTD SPONSORED ADS 36165L108 8,031 141,863 SH   SOLE 141,863 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 365 36,640 SH   DFND 2 35,655 0 985
GOODRICH PETE CORP COM PAR 382410843 765 32,321 SH   SOLE 32,321 0 0
GRUPO AEROPUERTO DEL PACIFIC SPON ADR B 400506101 2,182 18,757 SH   SOLE 18,757 0 0
HESS MIDSTREAM LP CL A SHS 428103105 29,454 1,044,095 SH   DFND 1 2 1,043,420 0 675
HOLOGIC INC COM 436440101 202 2,742 SH   SOLE 2,472 0 270
HUBSPOT INC COM 443573100 1,270 1,879 SH   SOLE 304 0 1,575
INGEVITY CORP COM 45688C107 1,044 14,624 SH   SOLE 2,479 0 12,145
INTRA-CELLULAR THERAPIES INC COM 46116X101 285 7,640 SH   SOLE 5,623 0 2,017
ITRON INC COM 465741106 1,212 16,027 SH   SOLE 16,027 0 0
JINKOSOLAR HLDG CO LTD SPONSORED ADR 47759T100 562 12,258 SH   SOLE 12,258 0 0
KIMBELL RTY PARTNERS LP UNIT 49435R102 547 38,744 SH   SOLE 38,744 0 0
KINDER MORGAN INC DEL COM 49456B101 33,280 1,989,251 SH   DFND 1 2 1,987,271 0 1,980
KORNIT DIGITAL LTD SHS M6372Q113 1,050 7,251 SH   SOLE 1,581 0 5,670
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 24,305 533,248 SH   DFND 1 2 532,563 0 685
MARATHON PETE CORP COM 56585A102 19,607 317,207 SH   DFND 1 2 316,912 0 295
MPLX LP COM UNIT REP LTD 55336V100 47,353 1,663,268 SH   DFND 1 2 1,660,873 0 2,395
NEW FORTRESS ENERGY INC COM CL A 644393100 341 12,294 SH   SOLE 12,294 0 0
NEXTERA ENERGY INC COM 65339F101 4,490 57,183 SH   SOLE 57,183 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 33,145 439,828 SH   DFND 1 2 439,458 0 370
NIO INC SPON ADS 62914V106 817 22,935 SH   SOLE 22,935 0 0
NIU TECHNOLOGIES ADS 65481N100 440 18,999 SH   SOLE 18,107 0 892
NUSTAR ENERGY LP UNIT COM 67058H102 6,783 430,970 SH   SOLE 430,970 0 0
OASIS MIDSTREAM PARTNERS LP COM UNITS REPS 67420T206 5,583 250,000 SH   SOLE 250,000 0 0
ONEOK INC NEW COM 682680103 43,497 750,071 SH   DFND 1 2 749,276 0 795
OVINTIV INC COM 69047Q102 769 23,384 SH   SOLE 23,384 0 0
PEMBINA PIPELINE CORP COM 706327103 42,629 1,345,200 SH   DFND 1 2 1,344,070 0 1,130
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 1,227 120,680 SH   DFND 2 117,445 0 3,235
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 55,808 5,179,382 SH   DFND 1 2 5,176,177 0 3,205
PLANET FITNESS INC CL A 72703H101 1,021 12,999 SH   SOLE 2,466 0 10,533
PLUG POWER INC COM NEW 72919P202 2,505 98,067 SH   SOLE 98,067 0 0
RAPID7 INC COM 753422104 1,340 11,855 SH   SOLE 1,767 0 10,088
RATTLER MIDSTREAM LP COM UNITS 75419T103 21,093 1,796,695 SH   DFND 1 1,796,695 0 0
RINGCENTRAL INC CL A 76680R206 681 3,130 SH   SOLE 759 0 2,371
SABRE CORP COM 78573M104 951 80,337 SH   SOLE 80,337 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 6,745 573,072 SH   SOLE 573,072 0 0
SMARTSHEET INC COM CL A 83200N103 1,032 14,998 SH   SOLE 2,792 0 12,206
SOLAREDGE TECHNOLOGIES INC COM 83417M104 7,239 27,294 SH   SOLE 27,294 0 0
SUNNOVA ENERGY INTL INC. COM 86745K104 318 9,656 SH   SOLE 9,656 0 0
SUNRUN INC COM 86771W105 11,028 250,626 SH   SOLE 250,626 0 0
SVB FINANCIAL GROUP COM 78486Q101 1,331 2,058 SH   SOLE 402 0 1,656
TARGA RES CORP COM 87612G101 66,789 1,357,230 SH   DFND 1 2 1,355,685 0 1,545
TC ENERGY CORP COM 87807B107 34,743 722,465 SH   DFND 1 2 721,760 0 705
TELLURIAN INC NEW COM 87968A104 3,987 1,019,741 SH   DFND 1 1,019,741 0 0
TESLA INC COM 88160R101 839 1,082 SH   SOLE 1,082 0 0
TPI COMPOSITES INC COM 87266J104 1,745 51,714 SH   SOLE 50,973 0 741
UNION PAC CORP COM 907818108 470 2,400 SH   SOLE 2,400 0 0
VIEW INC COM CL A 92671V106 717 132,210 SH   SOLE 30,484 0 101,726
VISTRA CORP COM 92840M102 1,283 75,000 SH   SOLE 75,000 0 0
VODAFONE GROUP PLC NEW SPONSORED ADR 92857W308 5,794 375,000 SH   SOLE 375,000 0 0
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 19,633 936,703 SH   DFND 1 2 935,398 0 1,305
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 2,096 100,000 SH Call SOLE 100,000 0 0
WILLIAMS COS INC COM 969457100 5,188 200,000 SH Call SOLE 200,000 0 0
WILLIAMS COS INC COM 969457100 40,915 1,577,313 SH   DFND 1 2 1,575,612 0 1,701