The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete. | |||||||||||||||||||||
| UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F INFORMATION TABLE |
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| 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 |
| ABB Ltd | SPONSORED ADR | 000375204 | 1 | 49 | SH | SOLE | 49 | 0 | 0 | ||
| Acuity Brands, Inc. | COM | 00508Y102 | 2 | 15 | SH | SOLE | 15 | 0 | 0 | ||
| Adient PLC | ORD SHS | G0084W101 | 0 | 6 | SH | SOLE | 6 | 0 | 0 | ||
| Advanced Energy Industries, In | COM | 007973100 | 1 | 22 | SH | SOLE | 22 | 0 | 0 | ||
| Albemarle Corporation | COM | 012653101 | 4 | 38 | SH | SOLE | 38 | 0 | 0 | ||
| Algonquin Power & Utilities | COM | 015857105 | 1 | 114 | SH | SOLE | 114 | 0 | 0 | ||
| American Water Works Company, | COM | 030420103 | 10 | 118 | SH | SOLE | 118 | 0 | 0 | ||
| Anadarko Petroleum Corp | COM | 032511107 | 10,628 | 145,098 | SH | SOLE | 145,098 | 0 | 0 | ||
| Andeavor | COM | 03349M105 | 2,122 | 16,173 | SH | SOLE | 16,173 | 0 | 0 | ||
| Andeavor Logistics LP | COM UNIT LP INT | 03350F106 | 575,816 | 13,539,065 | SH | SOLE | 12,169,980 | 0 | 1,369,085 | ||
| Antero Midstream GP LP | COM SHS REPSTG | 03675Y103 | 114,921 | 5,532,585 | SH | SOLE | 5,532,585 | 0 | 0 | ||
| Antero Midstream Partners LP | UNT LTD PARTN | 03673L103 | 353,027 | 10,477,245 | SH | SOLE | 10,477,245 | 0 | 0 | ||
| Antero Resources Corp | COM | 03674X106 | 8,452 | 395,867 | SH | SOLE | 395,867 | 0 | 0 | ||
| Apache Corp | COM | 037411105 | 2 | 42 | SH | SOLE | 42 | 0 | 0 | ||
| Aptiv PLC | SHS | G6095L109 | 2 | 18 | SH | SOLE | 18 | 0 | 0 | ||
| Aqua America, Inc. | COM | 03836W103 | 1 | 30 | SH | SOLE | 30 | 0 | 0 | ||
| Aquaventure Holdings Ltd | SHS | G0443N107 | 4 | 277 | SH | SOLE | 277 | 0 | 0 | ||
| Atlantica Yield PLC | SHS | G0751N103 | 38 | 1,861 | SH | SOLE | 1,861 | 0 | 0 | ||
| Autoliv Inc | COM | 052800109 | 1 | 8 | SH | SOLE | 8 | 0 | 0 | ||
| Badger Meter, Inc. | COM | 056525108 | 2 | 53 | SH | SOLE | 53 | 0 | 0 | ||
| Baker Hughes, a GE Company, LL | CL A | 05722G100 | 2 | 69 | SH | SOLE | 69 | 0 | 0 | ||
| BorgWarner Inc | COM | 099724106 | 1 | 24 | SH | SOLE | 24 | 0 | 0 | ||
| BP Midstream Partners LP | UNIT LTD PTNR | 0556EL109 | 148,285 | 7,064,549 | SH | SOLE | 6,229,098 | 0 | 835,451 | ||
| Brookfield Renewable Energy Pa | PARTNERSHIP UNIT | G16258108 | 17 | 564 | SH | SOLE | 564 | 0 | 0 | ||
| Buckeye Partners, L.P. | UNIT LTD PARTN | 118230101 | 364,489 | 9,253,223 | SH | SOLE | 9,253,223 | 0 | 0 | ||
| Cabot Oil & Gas Corp. | COM | 127097103 | 20,198 | 848,674 | SH | SOLE | 848,674 | 0 | 0 | ||
| Cactus Inc. | CL A | 127203107 | 1 | 19 | SH | SOLE | 19 | 0 | 0 | ||
| Carrizo Oil & Gas Inc | COM | 144577103 | 3,893 | 139,780 | SH | SOLE | 139,780 | 0 | 0 | ||
| Celanese Corporation | COM SER A | 150870103 | 2 | 16 | SH | SOLE | 16 | 0 | 0 | ||
| Centennial Resource Developmen | CL A | 15136A102 | 9,255 | 512,451 | SH | SOLE | 512,451 | 0 | 0 | ||
| Chart Industries, Inc. | COM PAR $0.01 | 16115Q308 | 0 | 7 | SH | SOLE | 7 | 0 | 0 | ||
| Cheniere Energy Inc. | COM NEW | 16411R208 | 417,146 | 6,398,923 | SH | SOLE | 6,147,188 | 0 | 251,735 | ||
| Cheniere Energy Partners LP | COM UNIT | 16411Q101 | 552 | 15,360 | SH | SOLE | 15,360 | 0 | 0 | ||
| Cheniere Energy Partners LP Ho | COM REP LLC IN | 16411W108 | 4,868 | 154,776 | SH | SOLE | 154,776 | 0 | 0 | ||
| Chevron Corp | COM | 166764100 | 2 | 18 | SH | SOLE | 18 | 0 | 0 | ||
| Cia Energetica de Minas Gerais | SP ADR N-V PFD | 204409601 | 20 | 10,800 | SH | SOLE | 10,800 | 0 | 0 | ||
| Cimarex Energy Co | COM | 171798101 | 8,853 | 87,018 | SH | SOLE | 87,018 | 0 | 0 | ||
| Cms Energy Corp Com | COM | 125896100 | 157 | 3,322 | SH | SOLE | 3,322 | 0 | 0 | ||
| Concho Resources Inc | COM | 20605P101 | 15,637 | 113,022 | SH | SOLE | 113,022 | 0 | 0 | ||
| Connecticut Water Service, Inc | COM | 207797101 | 1 | 16 | SH | SOLE | 16 | 0 | 0 | ||
| ConocoPhillips | COM | 20825c104 | 2 | 28 | SH | SOLE | 28 | 0 | 0 | ||
| Continental Resources Inc | COM | 212015101 | 19,007 | 293,492 | SH | SOLE | 293,492 | 0 | 0 | ||
| Core Laboratories N.V. | COM | N22717107 | 1 | 10 | SH | SOLE | 10 | 0 | 0 | ||
| Covanta Holding Corporation | COM | 22282E102 | 33 | 2,000 | SH | SOLE | 2,000 | 0 | 0 | ||
| Covia Holding Corp | COM | 22305A103 | 1,254 | 67,569 | SH | SOLE | 67,569 | 0 | 0 | ||
| Cypress Semiconductor Corporat | COM | 232806109 | 1 | 33 | SH | SOLE | 33 | 0 | 0 | ||
| Danaher Corporation | COM | 235851102 | 5 | 54 | SH | SOLE | 54 | 0 | 0 | ||
| DCP Midstream LP | COM UT LTD PTN | 23311P100 | 78,872 | 1,994,241 | SH | SOLE | 1,994,241 | 0 | 0 | ||
| Delek US Holdings, Inc. | COM | 24665A103 | 1,728 | 34,448 | SH | SOLE | 34,448 | 0 | 0 | ||
| Delphi Technologies PLC | SHS | G2709G107 | 1 | 24 | SH | SOLE | 24 | 0 | 0 | ||
| Devon Energy Corporation | COM | 25179M103 | 17,973 | 408,853 | SH | SOLE | 408,853 | 0 | 0 | ||
| Diamondback Energy Inc | COM | 25278X109 | 15,244 | 115,861 | SH | SOLE | 115,861 | 0 | 0 | ||
| Dominion Energy Inc. | COM | 25746U109 | 221 | 3,237 | SH | SOLE | 3,237 | 0 | 0 | ||
| Dominion Energy Midstream Part | COM UT REP LTD | 257454108 | 74,471 | 5,475,827 | SH | SOLE | 4,774,182 | 0 | 701,645 | ||
| Dril-Quip, Inc. | COM | 262037104 | 1 | 20 | SH | SOLE | 20 | 0 | 0 | ||
| DTE Energy Company | COM | 233331107 | 4 | 41 | SH | SOLE | 41 | 0 | 0 | ||
| DTE Energy Preferred | UNIT 99/99/9999 | 233331883 | 2,047 | 39,600 | SH | SOLE | 39,600 | 0 | 0 | ||
| Duke Energy Corporation | COM | 26441C204 | 3 | 36 | SH | SOLE | 36 | 0 | 0 | ||
| Eastman Chemical Co | COM | 277432100 | 2 | 17 | SH | SOLE | 17 | 0 | 0 | ||
| Ecolab Inc. | COM | 278865100 | 4 | 32 | SH | SOLE | 32 | 0 | 0 | ||
| Edison International | COM | 281020107 | 3 | 49 | SH | SOLE | 49 | 0 | 0 | ||
| Enbridge Energy Management, LL | SHS UNITS LLI | 29250X103 | 21,816 | 2,126,290 | SH | SOLE | 2,126,290 | 0 | 0 | ||
| Enbridge Energy Partners, L.P. | COM | 29250R106 | 103,201 | 9,442,022 | SH | SOLE | 9,442,022 | 0 | 0 | ||
| Enbridge Inc | COM | 29250N105 | 241,178 | 6,757,583 | SH | SOLE | 6,757,583 | 0 | 0 | ||
| Energy Recovery Inc | COM | 29270J100 | 1 | 72 | SH | SOLE | 72 | 0 | 0 | ||
| Energy Transfer Equity, L.P. | COM UT LTD PTN | 29273V100 | 530,722 | 30,766,490 | SH | SOLE | 26,213,335 | 0 | 4,553,155 | ||
| Energy Transfer Partners, L.P. | UNIT LTD PRT INT | 29278N103 | 799,542 | 41,992,731 | SH | SOLE | 38,530,904 | 0 | 3,461,827 | ||
| Enlink Midstream Partners, LP | COM UNIT REP LTD | 29336U107 | 125,668 | 8,091,966 | SH | SOLE | 8,091,966 | 0 | 0 | ||
| Enlink Midstream, LLC | COM UNIT REP LTD | 29336T100 | 81,601 | 4,960,576 | SH | SOLE | 4,960,576 | 0 | 0 | ||
| Ensco PLC | SHS CLASS A | G3157S106 | 0 | 35 | SH | SOLE | 35 | 0 | 0 | ||
| Enterprise Products Partners L | COM | 293792107 | 1,090,718 | 39,418,808 | SH | SOLE | 34,217,802 | 0 | 5,201,006 | ||
| EOG Resources Inc | COM | 26875P101 | 25,039 | 201,228 | SH | SOLE | 201,228 | 0 | 0 | ||
| EQT Corp | COM | 26884L109 | 17,610 | 319,143 | SH | SOLE | 319,143 | 0 | 0 | ||
| EQT GP Holdings LP | COM UNIT REP | 26885J103 | 42,692 | 1,815,908 | SH | SOLE | 1,545,152 | 0 | 270,756 | ||
| EQT Midstream Partners, LP | UNIT LTD PARTN | 26885B100 | 525,639 | 10,188,782 | SH | SOLE | 8,815,966 | 0 | 1,372,816 | ||
| Esco Technologies Inc. | COM | 296315104 | 2 | 35 | SH | SOLE | 35 | 0 | 0 | ||
| Evoqua Water Technologies Corp | COM | 30057T105 | 4 | 209 | SH | SOLE | 209 | 0 | 0 | ||
| Extraction Oil & Gas, LLC | COM | 30227M105 | 5,105 | 347,496 | SH | SOLE | 347,496 | 0 | 0 | ||
| Exxon Mobil Corp | COM | 30231G102 | 3 | 35 | SH | SOLE | 35 | 0 | 0 | ||
| FireEye Inc | COM | 31816Q101 | 1 | 53 | SH | SOLE | 53 | 0 | 0 | ||
| Ford Motor Co | COM PAR $0.01 | 345370860 | 1 | 135 | SH | SOLE | 135 | 0 | 0 | ||
| Forum Energy Technologies, Inc | COM | 34984V100 | 1 | 41 | SH | SOLE | 41 | 0 | 0 | ||
| FTS International Inc. | COM | 30283W104 | 1 | 49 | SH | SOLE | 49 | 0 | 0 | ||
| Genesis Energy L.P. | UNIT LTD PARTN | 371927104 | 1,020 | 46,539 | SH | SOLE | 46,539 | 0 | 0 | ||
| Gentex Corporation | COM | 371901109 | 1 | 24 | SH | SOLE | 24 | 0 | 0 | ||
| Golar LNG Ltd | SHS | G9456A100 | 1 | 25 | SH | SOLE | 25 | 0 | 0 | ||
| Gulfport Energy Corp | COM | 402635304 | 1 | 53 | SH | SOLE | 53 | 0 | 0 | ||
| Halcon Resources Corp - Restri | COM PAR | 40537Q605 | 4,258 | 970,000 | SH | SOLE | 970,000 | 0 | 0 | ||
| Halliburton Company | COM | 406216101 | 1,950 | 43,265 | SH | SOLE | 43,265 | 0 | 0 | ||
| Hannon Armstrong Sustainable I | COM | 41068X100 | 38 | 1,932 | SH | SOLE | 1,932 | 0 | 0 | ||
| Helmerich & Payne, Inc. | COM | 423452101 | 1 | 20 | SH | SOLE | 20 | 0 | 0 | ||
| Hess Corp | COM | 42809H107 | 1 | 13 | SH | SOLE | 13 | 0 | 0 | ||
| Hess Corp | DEP PDF SR A | 42809H404 | 4,522 | 60,000 | SH | SOLE | 60,000 | 0 | 0 | ||
| Holly Energy Partners, L.P. | COM UT LTD PTN | 435763107 | 188,005 | 6,652,705 | SH | SOLE | 6,652,705 | 0 | 0 | ||
| HollyFrontier Corporation | COM | 436106108 | 2,674 | 39,077 | SH | SOLE | 39,077 | 0 | 0 | ||
| Hortonworks Inc | COM | 440894103 | 1 | 50 | SH | SOLE | 50 | 0 | 0 | ||
| IDEX Corporation | COM | 45167R104 | 4 | 29 | SH | SOLE | 29 | 0 | 0 | ||
| InfraREIT Inc. | COM | 45685L100 | 24 | 1,080 | SH | SOLE | 1,080 | 0 | 0 | ||
| Itron, Inc. | COM | 465741106 | 5 | 90 | SH | SOLE | 90 | 0 | 0 | ||
| Keane Group Inc. | COM | 48669A108 | 1 | 47 | SH | SOLE | 47 | 0 | 0 | ||
| Kinder Morgan Inc | COM | 49456B101 | 322,577 | 18,255,609 | SH | SOLE | 18,255,609 | 0 | 0 | ||
| Laredo Petroleum, Inc. | COM | 516806106 | 3,393 | 352,676 | SH | SOLE | 352,676 | 0 | 0 | ||
| Lear Corporation | COM | 521865204 | 1 | 3 | SH | SOLE | 3 | 0 | 0 | ||
| Lindsay Corporation | COM | 535555106 | 1 | 6 | SH | SOLE | 6 | 0 | 0 | ||
| Magellan Midstream Partners, L | COM UNIT RP LP | 559080106 | 1,036,271 | 15,001,029 | SH | SOLE | 13,018,684 | 0 | 1,982,345 | ||
| Magna International Inc | COM | 559222401 | 3 | 44 | SH | SOLE | 44 | 0 | 0 | ||
| Marathon Oil Corp | COM | 565849106 | 2 | 115 | SH | SOLE | 115 | 0 | 0 | ||
| Marathon Petroleum Corp | COM | 56585A102 | 793 | 11,297 | SH | SOLE | 11,297 | 0 | 0 | ||
| Micron Technology Inc | COM | 595112103 | 1 | 12 | SH | SOLE | 12 | 0 | 0 | ||
| MiX Telematics Ltd | SPONSORED ADR | 60688N102 | 18 | 1,000 | SH | SOLE | 1,000 | 0 | 0 | ||
| Monolithic Power Systems Inc | COM | 609839105 | 4 | 27 | SH | SOLE | 27 | 0 | 0 | ||
| MPLX LP | COM UNIT REP LTD | 55336V100 | 918,984 | 26,918,106 | SH | SOLE | 23,439,143 | 0 | 3,478,963 | ||
| MRC Global Inc. | COM | 55345K103 | 1 | 27 | SH | SOLE | 27 | 0 | 0 | ||
| Mueller Water Products, Inc. | COM SER A | 624758108 | 3 | 257 | SH | SOLE | 257 | 0 | 0 | ||
| National Fuel Gas Co | COM | 636180101 | 20,462 | 386,366 | SH | SOLE | 386,366 | 0 | 0 | ||
| NATIONAL OILWELL VARCO INC COM | COM | 637071101 | 1 | 22 | SH | SOLE | 22 | 0 | 0 | ||
| NCS Multistage Holdings Inc | COM | 628877102 | 0 | 21 | SH | SOLE | 21 | 0 | 0 | ||
| Newfield Exploration Co | COM | 651290108 | 6,605 | 218,358 | SH | SOLE | 218,358 | 0 | 0 | ||
| Newpark Resources, Inc. | COM PAR $.01 | 651718504 | 1 | 91 | SH | SOLE | 91 | 0 | 0 | ||
| Nextera Energy Inc | COM | 65339F101 | 377 | 2,257 | SH | SOLE | 2,257 | 0 | 0 | ||
| Nextera Energy Partners LP | COM UNIT PART IN | 65341B106 | 381 | 8,168 | SH | SOLE | 8,168 | 0 | 0 | ||
| Nisource Inc | COM | 65473P105 | 44,409 | 1,689,858 | SH | SOLE | 1,689,858 | 0 | 0 | ||
| Noble Energy Inc | COM | 655044105 | 1,140 | 32,300 | SH | SOLE | 32,300 | 0 | 0 | ||
| Noble Midstream Partners LP | COM UNIT REPST | 65506L105 | 113,615 | 2,225,122 | SH | SOLE | 1,996,260 | 0 | 228,862 | ||
| NRG Yield, Inc. - Class C | CL C | 62942X405 | 25 | 1,451 | SH | SOLE | 1,451 | 0 | 0 | ||
| NuStar Energy L.P. | UNIT COM | 67058H102 | 55,637 | 2,456,374 | SH | SOLE | 2,456,374 | 0 | 0 | ||
| nVent Electric PLC | SHS | G6700G107 | 1 | 23 | SH | SOLE | 23 | 0 | 0 | ||
| NVIDIA Corporation | COM | 67066G104 | 2 | 9 | SH | SOLE | 9 | 0 | 0 | ||
| Occidental Petroleum Corp | COM | 674599105 | 3,493 | 41,740 | SH | SOLE | 41,740 | 0 | 0 | ||
| Oceaneering International Inc. | COM | 675232102 | 1 | 27 | SH | SOLE | 27 | 0 | 0 | ||
| Olin Corporation | COM PAR $1 | 680665205 | 1 | 42 | SH | SOLE | 42 | 0 | 0 | ||
| ONEOK, Inc | COM | 682680103 | 966,663 | 13,843,087 | SH | SOLE | 12,567,191 | 0 | 1,275,896 | ||
| Ormat Technologies, Inc. | COM | 686688102 | 2 | 32 | SH | SOLE | 32 | 0 | 0 | ||
| Parsley Energy, Inc. | CL A | 701877102 | 7,748 | 255,868 | SH | SOLE | 255,868 | 0 | 0 | ||
| Pattern Energy Group Inc. | CL A | 70338P100 | 30 | 1,592 | SH | SOLE | 1,592 | 0 | 0 | ||
| Patterson-UTI Energy, Inc. | COM | 703481101 | 1 | 64 | SH | SOLE | 64 | 0 | 0 | ||
| PDC Energy Inc | COM | 69327R101 | 3,538 | 58,526 | SH | SOLE | 58,526 | 0 | 0 | ||
| Pembina Pipeline Corp | COM | 706327103 | 203,334 | 5,871,153 | SH | SOLE | 5,871,153 | 0 | 0 | ||
| Pentair plc | SHS | G7S00T104 | 5 | 129 | SH | SOLE | 129 | 0 | 0 | ||
| Phillips 66 Partners LP | COM UNIT REP INT | 718549207 | 544,074 | 10,655,570 | SH | SOLE | 9,383,779 | 0 | 1,271,791 | ||
| Pioneer Natural Resources Co | COM | 723787107 | 24,310 | 128,461 | SH | SOLE | 128,461 | 0 | 0 | ||
| Plains All American Pipeline, | UNIT LTD PARTN | 726503105 | 706,235 | 29,874,584 | SH | SOLE | 25,773,026 | 0 | 4,101,558 | ||
| Plains GP Holdings, L.P. | LTD PARTNR INT A | 72651A207 | 221,736 | 9,273,785 | SH | SOLE | 9,273,785 | 0 | 0 | ||
| PPL Corporation | COM | 69351T106 | 3 | 96 | SH | SOLE | 96 | 0 | 0 | ||
| QEP Resources Inc. | COM | 74733V100 | 1 | 68 | SH | SOLE | 68 | 0 | 0 | ||
| Range Resources Corp | COM | 75281A109 | 9,102 | 544,060 | SH | SOLE | 544,060 | 0 | 0 | ||
| Rice Midstream Partners LP | UNIT LTD PARTN | 762819100 | 112,193 | 6,591,850 | SH | SOLE | 6,591,850 | 0 | 0 | ||
| RSP Permian, Inc. | COM | 74978Q105 | 790 | 17,950 | SH | SOLE | 17,950 | 0 | 0 | ||
| Schlumberger, Ltd. | COM | 806857108 | 4 | 66 | SH | SOLE | 66 | 0 | 0 | ||
| Semgroup Corp | CL A | 81663A105 | 93,515 | 3,681,697 | SH | SOLE | 3,681,697 | 0 | 0 | ||
| Sempra Energy | COM | 816851109 | 244 | 2,101 | SH | SOLE | 2,101 | 0 | 0 | ||
| Sempra Energy - Preferred Shar | 6% PFD CONV A | 816851406 | 5,161 | 50,000 | SH | SOLE | 50,000 | 0 | 0 | ||
| Shell Midstream Partners LP | UNIT LTD INT | 822634101 | 392,108 | 17,678,457 | SH | SOLE | 16,023,879 | 0 | 1,654,578 | ||
| SM Energy Co | COM | 78454L100 | 2,499 | 97,259 | SH | SOLE | 97,259 | 0 | 0 | ||
| Spectra Energy Partners, LP | COM | 84756N109 | 88,005 | 2,484,607 | SH | SOLE | 2,484,607 | 0 | 0 | ||
| Splunk Inc | COM | 848637104 | 1 | 10 | SH | SOLE | 10 | 0 | 0 | ||
| Sunrun Inc | COM | 86771W105 | 4 | 294 | SH | SOLE | 294 | 0 | 0 | ||
| Superior Energy Services, Inc. | COM | 868157108 | 1 | 74 | SH | SOLE | 74 | 0 | 0 | ||
| Tallgrass Energy LP | SHS CL A | 874696107 | 119,824 | 5,407,201 | SH | SOLE | 5,094,676 | 0 | 312,525 | ||
| Tallgrass Energy Partners, LP | COM UNIT | 874697105 | 387,057 | 8,936,892 | SH | SOLE | 8,006,210 | 0 | 930,682 | ||
| Targa Resources Corp. | COM | 87612G101 | 416,422 | 8,414,256 | SH | SOLE | 7,784,355 | 0 | 629,901 | ||
| TechnipFMC PLC | COM | G87110105 | 1 | 31 | SH | SOLE | 31 | 0 | 0 | ||
| Terraform Power Inc | COM CL A | 88104R209 | 39 | 3,299 | SH | SOLE | 3,299 | 0 | 0 | ||
| Tesla Inc. | COM | 88160R101 | 13 | 37 | SH | SOLE | 37 | 0 | 0 | ||
| Tetra Tech, Inc. | COM | 88162G103 | 3 | 51 | SH | SOLE | 51 | 0 | 0 | ||
| The Goodyear Tire & Rubber Com | COM | 382550101 | 1 | 31 | SH | SOLE | 31 | 0 | 0 | ||
| Tortoise North American Pipeli | TORTOISE NRAM PI | 56167N720 | 180 | 7,745 | SH | SOLE | 7,745 | 0 | 0 | ||
| Transcanada Corp | COM | 89353D107 | 337,782 | 7,819,029 | SH | SOLE | 7,819,029 | 0 | 0 | ||
| U.S. Silica Holdings, Inc. | COM | 90346E103 | 3,009 | 117,135 | SH | SOLE | 117,135 | 0 | 0 | ||
| USA Compression Partners LP | COMUNIT LTDPAR | 90290N109 | 1 | 33 | SH | SOLE | 33 | 0 | 0 | ||
| Valero Energy Corp | COM | 91913Y100 | 3,714 | 33,507 | SH | SOLE | 33,507 | 0 | 0 | ||
| Valero Energy Partners LP | COM UNT REP LP | 91914J102 | 249,159 | 6,544,766 | SH | SOLE | 5,699,212 | 0 | 845,554 | ||
| Verisk Analytics Inc | COM | 92345Y106 | 1 | 5 | SH | SOLE | 5 | 0 | 0 | ||
| Vistra Energy Corp. | COM | 92840M102 | 1 | 63 | SH | SOLE | 63 | 0 | 0 | ||
| Watts Water Technologies, Inc. | CL A | 942749102 | 3 | 37 | SH | SOLE | 37 | 0 | 0 | ||
| WEC Energy Group, Inc. | COM | 92939U106 | 232 | 3,584 | SH | SOLE | 3,584 | 0 | 0 | ||
| Western Gas Equity Partners, L | COMUNT LTD PT | 95825R103 | 66,881 | 1,870,803 | SH | SOLE | 1,676,321 | 0 | 194,482 | ||
| Western Gas Partners LP | COM UNIT LP IN | 958254104 | 724,022 | 14,962,223 | SH | SOLE | 13,222,948 | 0 | 1,739,275 | ||
| Westlake Chem Corp Com | COM | 960413102 | 2,736 | 25,417 | SH | SOLE | 25,417 | 0 | 0 | ||
| WildHorse Resource Development | COM | 96812T102 | 4,066 | 160,342 | SH | SOLE | 160,342 | 0 | 0 | ||
| Williams Companies, Inc | COM | 969457100 | 456,087 | 16,823,579 | SH | SOLE | 16,089,718 | 0 | 733,861 | ||
| Williams Partners L.P. | COM UNIT LTD PAR | 96949L105 | 802,075 | 19,760,408 | SH | SOLE | 16,835,917 | 0 | 2,924,491 | ||
| WPX Energy Inc | COM | 98212B103 | 13,132 | 728,360 | SH | SOLE | 728,360 | 0 | 0 | ||
| Xylem Inc. | COM | 98419M100 | 11 | 166 | SH | SOLE | 166 | 0 | 0 | ||