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
Advanced Drainage Systems Inc cs 00790R104 1,278 10,960 SH   SOLE   10,960 0 0
Aecom cs 00766T100 403 6,365 SH   SOLE   6,365 0 0
Aes Corp cs 00130H105 3 104 SH   SOLE   104 0 0
Algonquin Power & Utilities cs 015857105 20,875 1,401,052 SH   DFND 3 1,100,351 0 300,701
Algonquin Power & Utilities cs 015857105 87 5,850 SH   SOLE   5,850 0 0
Alliant Energy Corp cs 018802108 3,378 60,585 SH   DFND 3 60,585 0 0
Altus Midstream Company cs 02215L209 46 678 SH   SOLE   678 0 0
American Water Works Company cs 030420103 1,570 10,184 SH   SOLE   10,184 0 0
American Water Works Company cs 030420103 2,874 18,649 SH   DFND 3 18,649 0 0
Antero Midstream Corporation cs 03676B102 23,823 2,292,883 SH   SOLE   2,292,883 0 0
ArcLight Clean Transition Corp cs G0R21B120 2,513 250,000 SH   SOLE   250,000 0 0
Array Technologies Inc cs 04271T100 1 38 SH   SOLE   38 0 0
Atlantica Sustainable Infrastructure cs G0751N103 20,018 537,833 SH   SOLE   537,833 0 0
Atlantica Sustainable Infrastructure cs G0751N103 13,183 354,193 SH   DFND 3 354,193 0 0
AUTODESK INC cs 052769106 12,053 41,291 SH   DFND 3 41,291 0 0
Badger Meter, Inc. cs 056525108 500 5,094 SH   SOLE   5,094 0 0
Baker Hughes Co cs 05722G100 0 10 SH   SOLE   10 0 0
Ballard Power Systems Inc. cs 058586108 43 2,396 SH   SOLE   2,396 0 0
Blink Charging Co cs 09354A100 1 25 SH   SOLE   25 0 0
Bloom Energy Corp cs 093712107 1 31 SH   SOLE   31 0 0
Bluescape Opportunities Acquisition cs G1195N105 2,052 209,134 SH   SOLE   209,134 0 0
Bluescape Opportunities Acquisition warrants G1195N113 290 215,000 SH   SOLE   215,000 0 0
BP Midstream Partners LP lp 0556EL109 64,161 4,431,041 SH   SOLE   3,972,994 0 458,047
BP PLC-Spons ADR ad 055622104 1,038 39,283 SH   SOLE   39,283 0 0
Brookfield Renewable Corp cs 11284V105 10,161 241,872 SH   DFND 3 214,809 0 27,063
Brookfield Renewable Corporation cs 11284V105 841 20,050 SH   DFND 3 12,913 0 7,137
Brookfield Renewable Energy Partners lp G16258108 10,186 264,097 SH   DFND 3 264,097 0 0
Cabot Oil & Gas Corp. cs 127097103 1,982 113,490 SH   SOLE   113,490 0 0
Canadian Solar cs 136635109 1 16 SH   SOLE   16 0 0
ChargePoint Holdings Inc cs 15961R105 1 35 SH   SOLE   35 0 0
Chart Industries, Inc. cs 16115Q308 0 2 SH   SOLE   2 0 0
Cheniere Energy Inc. cs 16411R208 406,737 4,689,155 SH   SOLE   3,883,760 0 805,395
Cheniere Energy Partners LP lp 16411Q101 17,457 394,154 SH   SOLE   360,962 0 33,192
Cheniere Energy Partners LP lp 16411Q101 3,604 81,372 SH   OTR 1 81,372 0 0
Chevron Corp cs 166764100 3,472 33,146 SH   SOLE   33,146 0 0
Clean Energy Fuels Corp cs 184499101 0 37 SH   SOLE   37 0 0
Clearway Energy, Inc. cs 18539C204 24,345 919,362 SH   SOLE   919,362 0 0
Climate Real Impact Solutions cs 187171103 1,972 199,847 SH   SOLE   199,847 0 0
Climate Real Impact Solutions warrants 187171111 112 80,000 SH   SOLE   80,000 0 0
ConocoPhillips cs 20825C104 5,144 84,466 SH   SOLE   84,466 0 0
Continental Resources Inc cs 212015101 1 31 SH   SOLE   31 0 0
Covanta Holding Corporation cs 22282E102 100 5,656 SH   SOLE   5,656 0 0
Covanta Holding Corporation cs 22282E102 39,617 2,249,710 SH   DFND 3 2,029,756 0 219,954
Crestwood Equity Partners LP lp 226344208 48,679 1,623,701 SH   SOLE   1,393,121 0 230,580
Crestwood Equity Partners LP lp 226344208 2,927 97,635 SH   OTR 1 97,635 0 0
Cummins Inc. cs 231021106 2 8 SH   SOLE   8 0 0
Danaher Corporation cs 235851102 1,635 6,093 SH   SOLE   6,093 0 0
Darling Ingredients Inc cs 237266101 92 1,370 SH   SOLE   1,370 0 0
DCP Midstream LP lp 23311P100 283,875 9,249,766 SH   SOLE   7,855,836 0 1,393,930
DCP Midstream LP lp 23311P100 7,669 249,877 SH   OTR 1 249,877 0 0
Delek Logistics Partners LP lp 24664T103 239 5,695 SH   SOLE   4,955 0 740
Delek Logistics Partners LP lp 24664T103 5,443 129,729 SH   OTR 1 129,729 0 0
Denbury Inc cs 24790A101 3 35 SH   SOLE   35 0 0
Devon Energy Corporation cs 25179M103 33 1,142 SH   SOLE   1,142 0 0
Diamondback Energy Inc cs 25278X109 3,731 39,739 SH   SOLE   39,739 0 0
Diversey Holdings Ltd cs G28923103 467 26,069 SH   SOLE   26,069 0 0
Dominion Energy Inc. cs 25746U109 31 418 SH   SOLE   418 0 0
Dominion Energy Inc. cs 25746U109 7,322 99,524 SH   DFND 3 99,524 0 0
DTE Energy Company cs 233331107 1,052 8,116 SH   SOLE   8,116 0 0
Ecolab Inc. cs 278865100 1,026 4,983 SH   SOLE   4,983 0 0
EDISON INTL cs 281020107 29 497 SH   SOLE   497 0 0
EDISON INTL cs 281020107 30,099 520,558 SH   DFND 3 441,664 0 78,894
Enable Midstream Partners LP lp 292480100 2,914 319,844 SH   SOLE   202,174 0 117,670
Enable Midstream Partners LP lp 292480100 4,582 502,920 SH   OTR 1 502,920 0 0
Enbridge Inc cs 29250N105 235,060 5,870,641 SH   SOLE   5,355,769 0 514,872
Energy Transfer LP lp 29273V100 478,231 44,988,763 SH   SOLE   36,564,027 0 8,424,736
Energy Transfer LP lp 29273V100 10,609 998,006 SH   OTR 1 998,006 0 0
Enlink Midstream, LLC cs 29336T100 2,331 364,829 SH   SOLE   364,829 0 0
Enphase Energy cs 29355A107 1 4 SH   SOLE   4 0 0
Enterprise Products Partners L.P. lp 293792107 441,321 18,289,290 SH   SOLE   15,076,742 0 3,212,548
Enterprise Products Partners L.P. lp 293792107 9,665 400,540 SH   OTR 1 400,540 0 0
Enviva Partners LP lp 29414J107 19,497 372,018 SH   SOLE   372,018 0 0
EOG Resources Inc cs 26875P101 3,356 40,222 SH   SOLE   40,222 0 0
EQT Corp cs 26884L109 13,116 589,199 SH   SOLE   589,199 0 0
Equitrans Midstream Corporation cs 294600101 68,369 8,033,983 SH   SOLE   7,655,792 0 378,191
ESM Acquisition Corp cs G3195H120 2,500 250,000 SH   SOLE   250,000 0 0
Essential Utilities Inc cs 29670G102 1,217 26,624 SH   SOLE   26,624 0 0
Essential Utilities, Inc. ps 29670G201 5,760 100,741 SH   DFND 3 51,608 0 49,133
European Sustainable Growth Acquisition cs G3194F109 2,041 210,808 SH   SOLE   210,808 0 0
European Sustainable Growth Acquisition warrants G3194F117 215 215,000 SH   SOLE   215,000 0 0
Evergy Inc cs 30034W106 5,509 91,171 SH   DFND 3 91,171 0 0
Eversource Energy cs 30040W108 124 1,542 SH   SOLE   1,542 0 0
Eversource Energy cs 30040W108 4,919 61,308 SH   DFND 3 61,308 0 0
Evoqua Water Technologies Corp cs 30057T105 1,300 38,480 SH   SOLE   38,480 0 0
EXELON CORP cs 30161N101 0 3 SH   SOLE   3 0 0
EXELON CORP cs 30161N101 31,407 708,798 SH   DFND 3 708,798 0 0
Exxon Mobil Corp cs 30231G102 2 26 SH   SOLE   26 0 0
First Solar Inc cs 336433107 1 8 SH   SOLE   8 0 0
Fortune Brand Home & Security cs 34964C106 236 2,368 SH   SOLE   2,368 0 0
FuelCell Energy Inc cs 35952H601 1 76 SH   SOLE   76 0 0
Generac Holdings Inc. cs 368736104 71 171 SH   SOLE   171 0 0
Genesis Energy L.P. lp 371927104 244 21,005 SH   SOLE   15,565 0 5,440
Genesis Energy L.P. lp 371927104 3,100 266,990 SH   OTR 1 266,990 0 0
Global Partners LP lp 37946R109 1,011 39,011 SH   SOLE   31,606 0 7,405
Hess Midstream LP cs 428103105 16,702 661,458 SH   SOLE   661,458 0 0
Holly Energy Partners, L.P. lp 435763107 11,344 501,293 SH   SOLE   501,293 0 0
Hyliion Holdings Corp cs 449109107 1,771 151,992 SH   SOLE   151,992 0 0
IDEX Corporation cs 45167R104 1,017 4,621 SH   SOLE   4,621 0 0
Kinder Morgan Inc cs 49456B101 304,435 16,699,646 SH   SOLE   14,816,284 0 1,883,362
Lindsay Corporation cs 535555106 601 3,635 SH   SOLE   3,635 0 0
LYFT INC-A cs 55087P104 9,416 155,688 SH   DFND 3 155,688 0 0
Magellan Midstream Partners, LP lp 559080106 331,088 6,769,334 SH   SOLE   5,677,934 0 1,091,400
Magellan Midstream Partners, LP lp 559080106 9,392 192,036 SH   OTR 1 192,036 0 0
Marathon Petroleum Corp cs 56585A102 6,467 107,031 SH   SOLE   107,031 0 0
Masco Corporation cs 574599106 204 3,460 SH   SOLE   3,460 0 0
Middlesex Water Co cs 596680108 283 3,463 SH   SOLE   3,463 0 0
Montrose Environmental Group cs 615111101 243 4,529 SH   SOLE   4,529 0 0
MPLX LP lp 55336V100 504,323 17,032,193 SH   SOLE   14,078,026 0 2,954,167
MPLX LP lp 55336V100 10,773 363,840 SH   OTR 1 363,840 0 0
Mueller Water Products, Inc. cs 624758108 920 63,787 SH   SOLE   63,787 0 0
New Fortress Energy Inc. cs 644393100 10,276 271,267 SH   SOLE   271,267 0 0
Nextera Energy Inc cs 65339F101 2,865 39,090 SH   SOLE   39,090 0 0
Nextera Energy Inc cs 65339F101 43,478 593,316 SH   DFND 3 593,316 0 0
Nextera Energy Inc ps 65339F796 5,577 99,321 SH   DFND 3 70,421 0 28,900
Nextera Energy Partners LP lp 65341B106 92,680 1,213,725 SH   SOLE   1,147,874 0 65,851
Nextera Energy Partners LP lp 65341B106 17,892 234,309 SH   DFND 3 234,309 0 0
NextEra Energy, Inc. ps 65339F739 5,489 111,111 SH   SOLE   111,111 0 0
NGL Energy Partners LP lp 62913M107 96 40,237 SH   SOLE   31,046 0 9,191
Northern Genesis Acquisition Corp II cs 66516U101 1,877 188,595 SH   SOLE   188,595 0 0
Northern Genesis Acquisition Corp III cs 66516W206 3,030 300,000 SH   SOLE   300,000 0 0
Northern Genesis Acquisition Corp warrants 66516U119 104 62,865 SH   SOLE   62,865 0 0
NuStar Energy L.P. lp 67058H102 162,907 9,025,344 SH   SOLE   7,636,210 0 1,389,134
NuStar Energy L.P. lp 67058H102 6,003 332,570 SH   OTR 1 332,570 0 0
Occidental Petroleum Corp cs 674599105 4 129 SH   SOLE   129 0 0
ONEOK, Inc cs 682680103 433,832 7,797,121 SH   SOLE   6,663,841 0 1,133,280
ONEOK, Inc cs 682680103 4,614 82,930 SH   OTR 1 82,930 0 0
PBF Logistics LP lp 69318Q104 737 49,521 SH   SOLE   49,521 0 0
PDC Energy Inc cs 69327R101 1 18 SH   SOLE   18 0 0
Pembina Pipeline Corp cs 706327103 93,000 2,926,826 SH   SOLE   2,926,826 0 0
Pembina Pipeline Corporation cs 706327103 22,281 701,337 SH   SOLE   393,123 0 308,214
PENTAIR INC cs G7S00T104 1,801 26,685 SH   SOLE   26,685 0 0
Peridot Acquisition Corp II cs G7008B113 2,248 225,000 SH   SOLE   225,000 0 0
Peridot Acquisition Corp. warrants G7008A107 0 1 SH   SOLE   1 0 0
Phillips 66 cs 718546104 6,266 73,010 SH   SOLE   73,010 0 0
Phillips 66 Partners LP lp 718549207 90,331 2,289,186 SH   SOLE   1,982,182 0 307,004
Phillips 66 Partners LP lp 718549207 2,990 75,780 SH   OTR 1 75,780 0 0
Pioneer Natural Resources Co cs 723787107 4,451 27,390 SH   SOLE   27,390 0 0
Plains All American Pipeline lp 726503105 301,461 26,537,098 SH   SOLE   20,486,494 0 6,050,604
Plains All American Pipeline lp 726503105 10,799 950,592 SH   OTR 1 950,592 0 0
Plains GP Holdings, L.P. cs 72651A207 152,959 12,810,661 SH   SOLE   12,423,656 0 387,005
Plug Power Inc cs 72919P202 1 24 SH   SOLE   24 0 0
PPL Corporation cs 69351T106 4,544 162,456 SH   DFND 3 162,456 0 0
Public Service Enterprise Group cs 744573106 38 637 SH   SOLE   637 0 0
Public Service Enterprise Group cs 744573106 8,411 140,790 SH   DFND 3 140,790 0 0
Qell Acquisition Corp warrants G7307X113 150 93,720 SH   SOLE   93,720 0 0
QuantumScape Corp cs 74767V109 1 29 SH   SOLE   29 0 0
Queen's Gambit Growth Capital cs G7315C101 1,958 201,889 SH   SOLE   201,889 0 0
Queen's Gambit Growth Capital warrants G7315C119 135 133,300 SH   SOLE   133,300 0 0
Rattler Midstream Partners LP lp 75419T103 17 1,523 SH   SOLE   1,523 0 0
Renewable Energy Group Inc cs 75972A301 66 1,063 SH   SOLE   1,063 0 0
Rice Acquisition Corp cs 762594109 3,836 212,500 SH   SOLE   212,500 0 0
RMG Acquisition Corp III cs G76088106 2,435 250,000 SH   SOLE   250,000 0 0
RMG Acquisition Corp III warrants G76088122 65 50,000 SH   SOLE   50,000 0 0
Royal Dutch Shell PLC ad 780259206 1,506 37,274 SH   SOLE   37,274 0 0
Sempra Energy cs 816851109 14,463 109,168 SH   SOLE   109,168 0 0
Shell Midstream Partners LP lp 822634101 74,280 5,029,084 SH   SOLE   4,578,516 0 450,568
Shell Midstream Partners LP lp 822634101 6,092 412,440 SH   OTR 1 412,440 0 0
Shoals Technologies Group Inc cs 82489W107 1 28 SH   SOLE   28 0 0
SolarEdge Technologies Inc cs 83417M104 1 2 SH   SOLE   2 0 0
Stantec Inc. cs 85472N109 629 14,093 SH   SOLE   14,093 0 0
Sunnova Energy International I cs 86745K104 6,490 172,323 SH   SOLE   172,323 0 0
Sunoco LP lp 86765K109 52 1,390 SH   SOLE   0 0 1,390
SUNRUN INC cs 86771W105 62 1,107 SH   SOLE   1,107 0 0
SUNRUN INC cs 86771W105 21,599 387,218 SH   DFND 3 387,218 0 0
Sustainable Development Acquisition cs 86934L103 2,588 266,774 SH   SOLE   266,774 0 0
Sustainable Development Acquisition warrants 86934L111 127 133,385 SH   SOLE   133,385 0 0
Targa Resources Corp. cs 87612G101 430,033 9,674,538 SH   SOLE   8,219,122 0 1,455,416
TC Energy Corp. cs 87807B107 160,108 3,233,205 SH   SOLE   2,867,281 0 365,924
TE CONNECTIVITY LTD cs H84989104 10,623 78,563 SH   DFND 3 78,563 0 0
Tech and Energy Transition Corp cs 87823R201 6,754 675,390 SH   SOLE   675,390 0 0
Tesla Inc. cs 88160R101 2 3 SH   SOLE   3 0 0
Tetra Tech, Inc. cs 88162G103 910 7,457 SH   SOLE   7,457 0 0
The York Water Co cs 987184108 187 4,131 SH   SOLE   4,131 0 0
TPI Composites Inc cs 87266J104 1 26 SH   SOLE   26 0 0
TRANE TECHNOLOGIES PLC COM STK cs G8994E103 5,115 27,777 SH   DFND 3 27,777 0 0
USD Partners LP lp 903318103 1,914 253,538 SH   OTR 1 253,538 0 0
Valero Energy Corp cs 91913Y100 6,286 80,510 SH   SOLE   80,510 0 0
Western Midstream Partners LP lp 958669103 323,637 15,109,124 SH   SOLE   12,444,602 0 2,664,522
Western Midstream Partners LP lp 958669103 8,777 409,749 SH   OTR 1 409,749 0 0
Westlake Chemical Partners LP lp 960417103 3,448 128,091 SH   SOLE   128,091 0 0
Williams Companies, Inc cs 969457100 352,454 13,275,111 SH   SOLE   11,975,313 0 1,299,798
Williams Companies, Inc cs 969457100 4,792 180,479 SH   DFND 3 180,479 0 0
Xcel Energy cs 98389B100 179 2,710 SH   SOLE   2,710 0 0
Xylem Inc. cs 98419M100 1,980 16,508 SH   SOLE   16,508 0 0