Advanced Energy Industries, Inc. COM 007973100 2 22 SH SOLE 22 0 0 Albemarle Corporation COM 012653101 2 26 SH SOLE 26 0 0 Algonquin Power & Utilities COM 015857105 3875 273910 SH SOLE 40458 0 233452 Altus Midstream Company CL A 02215L100 9819 3433106 SH SOLE 3433106 0 0 American Electric Power Company COM 025537101 592 6262 SH SOLE 6262 0 0 American Water Works Company COM 030420103 1715 13957 SH SOLE 13957 0 0 Antero Midstream Corporation COM 03676B102 208045 27410391 SH SOLE 26065185 0 1345206 Alerian MLP ETF ALERIAN MLP 00162Q866 128 15000 SH SOLE 15000 0 0 Aptiv PLC SHS G6095L109 2 18 SH SOLE 18 0 0 Aqua America Tangible Equity Units UNIT 04/30/2022 03836W202 3118 50000 SH SOLE 0 0 50000 Aquaventure Holdings Ltd SHS G0443N107 854 31504 SH SOLE 31504 0 0 Autoliv Inc. COM 052800109 1 8 SH SOLE 8 0 0 Avangrid, Inc. COM 05351W103 1 20 SH SOLE 20 0 0 Badger Meter, Inc. COM 056525108 714 10996 SH SOLE 10996 0 0 BorgWarner Inc. COM 099724106 2 45 SH SOLE 45 0 0 BP Midstream Partners LP UNIT LTD PTNR 0556EL109 103133 6606852 SH SOLE 5891604 0 715248 Cabot Oil & Gas Corp. COM 127097103 10115 581000 SH SOLE 581000 0 0 Centennial Resource Development CL A 15136A102 462 100000 SH SOLE 100000 0 0 Chart Industries, Inc. COM PAR $0.01 16115Q308 910 13481 SH SOLE 13481 0 0 Cheniere Energy Inc. COM 16411R208 583332 9551866 SH SOLE 8322636 0 1229230 Cheniere Energy Partners LP COM UNIT 16411Q101 56447 1417905 SH SOLE 1177879 0 240026 Chevron Corp COM 166764100 803 6664 SH SOLE 6664 0 0 Cimarex Energy Co COM 171798101 6488 123600 SH SOLE 123600 0 0 Cms Energy Corp COM 125896100 116 1852 SH SOLE 1852 0 0 CNX Midstream Partners LP COM UNIT REPST 12654A101 104655 6358161 SH SOLE 6358161 0 0 Concho Resources Inc. COM 20605P101 6533 74600 SH SOLE 74600 0 0 ConocoPhillips COM 20825c104 943 14505 SH SOLE 14505 0 0 Continental Resources Inc. COM 212015101 3955 115300 SH SOLE 115300 0 0 Covanta Holding Corporation COM 22282E102 5270 355103 SH SOLE 39011 0 316092 Crestwood Equity Partners LP UNIT LTD PARTNER 226344208 53112 1723298 SH SOLE 1716330 0 6968 Crestwood Equity Partners LP UNIT LTD PARTNER 226344208 15404 499810 SH OTR 01 499810 0 0 Danaher Corporation COM 235851102 1451 9453 SH SOLE 9453 0 0 DCP Midstream LP COM UT LTD PTN 23311P100 232563 9496243 SH SOLE 5264302 0 4231941 DCP Midstream LP COM UT LTD PTN 23311P100 232563 938082 SH OTR 01 938082 0 0 Delek Logistics Partners LP COM UNT RP INT 24664T103 15378 481177 SH SOLE 481177 0 0 Delek Logistics Partners LP COM UNT RP INT 24664T103 40879 1279073 SH OTR 01 1279073 0 0 Delek US Holdings, Inc. COM 24665A103 4068 121322 SH SOLE 121322 0 0 Delphi Technologies PLC SHS G2709G107 1 54 SH SOLE 54 0 0 Diamondback Energy Inc. COM 25278X109 6693 72081 SH SOLE 72081 0 0 Dominion Energy Inc. COM 25746U109 70 845 SH SOLE 845 0 0 DTE Energy Company COM 233331107 2238 17229 SH SOLE 17229 0 0 Ecolab Inc. COM 278865100 620 3213 SH SOLE 3213 0 0 Edison International COM 281020107 1 14 SH SOLE 14 0 0 Enable Midstream Partners LP COM UNIT RP IN 292480100 71165 7095229 SH SOLE 1589221 0 5506008 Enable Midstream Partners LP COM UNIT RP IN 292480100 26210 2613170 SH OTR 01 2613170 0 0 Enbridge Inc. COM 29250N105 360812 9072458 SH SOLE 7216102 0 1856356 Energy Transfer LP COM UT LTD PTN 29273V100 1303045 101562389 SH SOLE 78158612 0 23403777 Energy Transfer LP COM UT LTD PTN 29273V100 55583 4332254 SH SOLE 4332254 0 0 Enlink Midstream, LLC COM UNIT REP LTD 29336T100 159848 26076377 SH OTR 01 15151585 0 10924792 Enlink Midstream, LLC COM UNIT REP LTD 29336T100 15739 2567468 SH SOLE 2567468 0 0 Enterprise Products Partners LP COM 293792107 1205451 42807211 SH SOLE 32822007 0 9985204 Enterprise Products Partners LP COM 293792107 38000 1349419 SH OTR 01 1349419 0 0 Enviva Partners LP COM UNIT 29414J107 5053 135439 SH SOLE 135439 0 0 EOG Resources Inc. COM 26875P101 7555 90200 SH SOLE 90200 0 0 EQM Midstream Partners, LP UNIT LTD PARTN 26885B100 347222 11608884 SH SOLE 10597514 0 1011370 EQT Corp COM 26884L109 6912 634100 SH SOLE 634100 0 0 Equinor ASA SPONSORED ADR 29446M102 471 23653 SH SOLE 23653 0 0 Equitrans Midstream Corporation COM 294600101 126111 9439427 SH SOLE 9166544 0 272883 ETRACS Alerian MLP Infrastructure ALERIAN INFRST 902641646 215 11075 SH SOLE 11075 0 0 Evoqua Water Technologies Corp COM 30057T105 531 28023 SH SOLE 28023 0 0 Exelon Corporation COM 30161N101 593 13016 SH SOLE 13016 0 0 FireEye Inc. COM 31816Q101 1 53 SH SOLE 53 0 0 Ford Motor Co COM 345370860 2 207 SH SOLE 207 0 0 Genesis Energy L.P. UNIT LTD PARTN 371927104 58667 2864617 SH OTR 01 1310472 0 1554145 Genesis Energy L.P. UNIT LTD PARTN 371927104 31783 1551905 SH SOLE 1551905 0 0 Global Partners LP COM UNITS 37946R109 7067 350554 SH SOLE 347344 0 3210 Hess Midstream LP CL A SHS 428103105 24437 1077478 SH SOLE 1076948 0 530 Holly Energy Partners, L.P. COM UT LTD PTN 435763107 132170 5967033 SH SOLE 4449138 0 1517895 Holly Energy Partners, L.P. COM UT LTD PTN 435763107 15476 698670 SH OTR 01 698670 0 0 IDEX Corporation COM 45167R104 610 3544 SH SOLE 3544 0 0 JPMorgan Alerian MLP Index ALERIAN ML ETN 46625H365 16715 766390 SH SOLE 523726 0 242664 Kinder Morgan Inc. COM 49456B101 678058 32029181 SH SOLE 26857329 0 5171852 Knot Offshore Partners LP COM UNITS Y48125101 556435 26244794 SH OTR 01 26244794 0 0 Knot Offshore Partners LP COM UNITS Y48125101 12134 612535 SH SOLE 612535 0 0 Lear Corporation COM 521865204 0 3 SH SOLE 3 0 0 Magellan Midstream Partners, LP COM UNIT RP LP 559080106 1009926 16063722 SH SOLE 11977421 0 4086301 Magellan Midstream Partners, LP COM UNIT RP LP 559080106 53876 856947 SH OTR 01 856947 0 0 Magna International Inc. COM 559222401 2 44 SH SOLE 44 0 0 Marathon Oil Corp COM 565849106 2062 151859 SH SOLE 151859 0 0 Marathon Petroleum Corp COM 56585A102 33991 564162 SH SOLE 265892 0 298270 Micron Technology Inc COM 595112103 3 52 SH SOLE 52 0 0 Middlesex Water Co COM 596680108 83 1308 SH SOLE 1308 0 0 Monolithic Power Systems Inc COM 609839105 2 14 SH SOLE 14 0 0 MPLX LP COM UNIT REP LTD 55336V100 1015594 39889795 SH OTR 01 29259218 0 10630577 MPLX LP COM UNIT REP LTD 55336V100 54652 2146583 SH SOLE 2146583 0 0 Mueller Water Products, Inc. COM SER A 624758108 222 18506 SH SOLE 18506 0 0 New Fortress Energy LLC CL A SHS RP LLC 644393100 0 15 SH SOLE 15 0 0 NextDecade Corporation COM 65342K105 0 47 SH SOLE 47 0 0 Nextera Energy Inc COM 65339F101 181385 749029 SH SOLE 693682 0 55347 Nextera Energy Inc Preferred UNIT 09/01/2022S 65339F796 1508 29410 SH SOLE 29410 0 0 Nextera Energy Partners LP COM UNIT PART IN 65341B106 18830 357645 SH SOLE 26605 0 331040 NGL Energy Partners LP COM UNIT REPST 62913M107 61644 5435950 SH SOLE 5435950 0 0 Nio Inc SPONS ADS 62914V106 0 49 SH SOLE 49 0 0 Noble Energy Inc COM 655044105 11090 446472 SH SOLE 446472 0 0 Noble Midstream Partners LP COM UNIT REPST 65506L105 19903 7889259 SH SOLE 2312388 0 1764596 Noble Midstream Partners LP COM UNIT REPST 65506L105 31065 1226708 SH OTR 01 1220183 0 0 NuStar Energy L.P. UNIT COM 67058H102 247541 9576060 SH SOLE 6782871 0 2793189 NuStar Energy L.P. UNIT COM 67058H102 25281 977980 SH OTR 01 977980 0 0 NVIDIA Corporation COM 67066G104 4 17 SH SOLE 17 0 0 Oasis Midstream Partners LP COM UNITS REPS 67420T206 3318 200000 SH SOLE 200000 0 0 ONEOK, Inc COM 682680103 1057329 13972893 SH SOLE 11568133 0 2402631 Parsley Energy, Inc. CL A 701877102 5775 305414 SH SOLE 305414 0 0 Pattern Energy Group Inc. CL A 70338P100 4288 160283 SH SOLE 39 0 160244 PBF Logistics LP UNIT LTD PTNR 69318Q104 78614 3882179 SH SOLE 2768254 0 1113925 PBF Logistics LP UNIT LTD PTNR 69318Q104 1763 87085 SH OTR 01 87085 0 0 Pembina Pipeline Corporation COM 706327103 1428 38524 SH SOLE 38524 0 0 Phillips 66 COM 718546104 845 7585 SH SOLE 7585 0 0 Phillips 66 Partners LP COM UNIT REP INT 718549207 742625 12047770 SH SOLE 8436564 0 3611206 Phillips 66 Partners LP COM UNIT REP INT 718549207 38303 621405 SH OTR 01 621405 0 0 Pioneer Natural Resources Co COM 723787107 7457 49265 SH SOLE 49265 0 0 Plains All American Pipeline, UNIT LTD PARTN 726503105 686971 37355703 SH SOLE 27899045 0 9456658 Plains All American Pipeline, UNIT LTD PARTN 726503105 25389 1380567 SH OTR 01 1380567 0 0 Plains GP Holdings, L.P. LTD PARTNR INT A 72651A207 240820 12708176 SH SOLE 10393956 0 2314220 Public Service Enterprise Grou COM 744573106 581 9841 SH SOLE 9841 0 0 Range Resources Corp COM 75281A109 3533 728400 SH SOLE 728400 0 0 Rattler Midstream Partners LP COM UNITS 75419T103 52937 2975676 SH SOLE 2675197 0 300479 Royal Dutch Shell PLC SPONS ADR A 780259206 842 14281 SH SOLE 14281 0 0 Sempra Energy COM 816851109 274502 1812133 SH SOLE 1662487 0 149646 Sempra Energy - Preferred Shar 6% PFD CONV A 816851406 6001 50000 SH SOLE 50000 0 0 Shell Midstream Partners LP UNIT LTD INT 822634101 430098 21281451 SH SOLE 19138523 0 2142928 Sjw Corp COM 784305104 645 9073 SH SOLE 9073 0 0 Sunoco LP COM UT REP LP 86765K109 8160 266680 SH SOLE 265870 0 810 Sunoco LP COM UT REP LP 86765K109 4070 133015 SH OTR 01 133015 0 0 Tallgrass Energy LP CLASS A SHS 874696107 165999 7504455 SH SOLE 7497345 0 7110 Targa Resources Corp. COM 87612G101 623980 15282387 SH SOLE 13007622 0 2274765 Targa Resources Corp. COM 87612G101 13103 320920 SH OTR 01 320920 0 0 TC Energy Corp. COM 87807B107 592594 11115993 SH SOLE 9237070 0 1878923 Tellurian Inc. COM 87968A104 0 32 SH SOLE 32 0 0 Terraform Power Inc COM CL A 88104R209 1631 105966 SH SOLE 57 0 105909 Tesla Inc. COM 88160R101 5 13 SH SOLE 13 0 0 Tetra Tech, Inc. COM 88162G103 943 10950 SH SOLE 10950 0 0 The Goodyear Tire & Rubber Com COM 382550101 1 41 SH SOLE 41 0 0 The York Water Co COM 987184108 341 7394 SH SOLE 7394 0 0 Total S.A. SP ADR SPONSORED ADS 89151E109 568 10271 SH SOLE 10271 0 0 USD Partners LP COM UT REP LTD 903318103 13086 1320442 SH SOLE 1320442 0 0 USD Partners LP COM UT REP LTD 903318103 5635 568625 SH OTR 01 568625 0 0 Valero Energy Corp COM 91913Y100 31651 337968 SH SOLE 137413 0 200555 Veoneer, Inc. COM 92336X109 0 8 SH SOLE 8 0 0 Verisk Analytics Inc COM 92345Y106 1 10 SH SOLE 10 0 0 Viper Energy Partners LP COM UNT RP INT 92763M105 2210 89600 SH SOLE 89600 0 0 Watts Water Technologies, Inc. CL A 942749102 221 2214 SH SOLE 2214 0 0 WEC Energy Group, Inc. COM 92939U106 70 754 SH OTR 01 754 0 0 Western Midstream Partners LP COM UNIT LP INT 958669103 406180 20628740 SH SOLE 17929833 0 2698907 Western Midstream Partners LP COM UNIT LP INT 958669103 4931 250434 SH OTR 01 250434 0 0 Westlake Chemical Partners LP COM UNIT RP LP 960417103 19183 726071 SH SOLE 726071 0 0 Williams Companies, Inc. COM 969457100 896751 37805675 SH SOLE 31726704 0 6091471 WPX Energy Inc. COM 98212B103 5470 398137 SH SOLE 398137 0 0 Xylem Inc. COM 98419M100 1351 17149 SH SOLE 17149 0 0