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
Alliance Res Partner L P Ut Ltd Part 01877R108 89,576 4,881,518 SH   OTR 1 0 4,881,518 0
Alliance Res Partner L P Ut Ltd Part 01877R108 9,147 498,450 SH   SOLE   498,450 0 0
Alliant Energy Corp Com 018802108 21,789 514,864 SH   OTR 1 0 514,864 0
Alliant Energy Corp Com 018802108 3,622 85,590 SH   SOLE   85,590 0 0
American Elec Pwr Inc Com 025537101 99,765 1,440,649 SH   OTR 1 0 1,440,649 0
American Elec Pwr Inc Com 025537101 14,389 207,783 SH   SOLE   207,783 0 0
American Water Works Co Inc Com 030420103 6,274 73,479 SH   OTR 1 0 73,479 0
American Water Works Co Inc Com 030420103 1,147 13,435 SH   SOLE   13,435 0 0
Amerigas Partners L P Unit L P Int 030975106 111,711 2,645,915 SH   OTR 1 0 2,645,915 0
Amerigas Partners L P Unit L P Int 030975106 23,926 566,709 SH   SOLE   566,709 0 0
Atmos Energy Corp Com 049560105 21,248 235,718 SH   OTR 1 0 235,718 0
Atmos Energy Corp Com 049560105 1,561 17,320 SH   SOLE   17,320 0 0
BP Midstream Partners LP Unit Ltd Ptnr 0556EL109 25,774 1,227,923 SH   OTR 1 0 1,227,923 0
BP Midstream Partners LP Unit Ltd Ptnr 0556EL109 11,162 531,777 SH   SOLE   531,777 0 0
Buckeye Partners LP Unit LTD Partn 118230101 10,811 307,577 SH   OTR 1 0 307,577 0
Chesapeake Utils Corp Com 165303108 18,066 225,963 SH   OTR 1 0 225,963 0
Chesapeake Utils Corp Com 165303108 1,690 21,142 SH   SOLE   21,142 0 0
CMS Energy Corp Com 125896100 56,783 1,200,993 SH   OTR 1 0 1,200,993 0
CMS Energy Corp Com 125896100 8,422 178,139 SH   SOLE   178,139 0 0
CorEnergy Infrastructure TR Com New 21870U502 11,499 305,814 SH   OTR 1 0 305,814 0
CorEnergy Infrastructure TR Com New 21870U502 1,017 27,037 SH   SOLE   27,037 0 0
Dominion Energy Midstrm Prtn Com Ut Rep Ltd 257454108 2,372 174,400 SH   OTR 1 0 174,400 0
Dominion Energy Midstrm Prtn Com Ut Rep Ltd 257454108 1,538 113,120 SH   SOLE   113,120 0 0
Duke Energy Corp New Com New 26441C204 71,829 908,310 SH   OTR 1 0 908,310 0
Duke Energy Corp New Com New 26441C204 2,707 34,225 SH   SOLE   34,225 0 0
Edison Intl Com 281020107 8,587 135,723 SH   OTR 1 0 135,723 0
Edison Intl Com 281020107 1,895 29,950 SH   SOLE   29,950 0 0
Enbridge Energy Management L Shs Units LLI 29250X103 152,349 14,848,876 SH   OTR 1 0 14,848,876 0
Enbridge Energy Management L Shs Units LLI 29250X103 10,280 1,001,936 SH   SOLE   1,001,936 0 0
Enbridge Energy Partners L P Com 29250R106 115,318 10,550,587 SH   OTR 1 0 10,550,587 0
Enbridge Energy Partners L P Com 29250R106 28,206 2,580,618 SH   SOLE   2,580,618 0 0
Enbridge Inc Com 29250N105 23,426 656,361 SH   OTR 1 0 656,361 0
Enbridge Inc Com 29250N105 14,477 405,639 SH   SOLE   405,639 0 0
Energy Transfer Equity LP Com Ut Ltd Ptn 29273V100 60,766 3,522,689 SH   OTR 1 0 3,522,689 0
Energy Transfer Equity LP Com Ut Ltd Ptn 29273V100 15,848 918,729 SH   SOLE   918,729 0 0
Energy Transfer Partners LP Unit Ltd Prt Int 29278N103 60,344 3,169,329 SH   OTR 1 0 3,169,329 0
Energy Transfer Partners LP Unit Ltd Prt Int 29278N103 15,502 814,176 SH   SOLE   814,176 0 0
Enterprise Prods Partners L Com 293792107 362,770 13,110,597 SH   OTR 1 0 13,110,597 0
Enterprise Prods Partners L Com 293792107 136,060 4,917,254 SH   SOLE   4,917,254 0 0
EQT Corporation Com 26884L109 82,815 1,500,823 SH   OTR 1 0 1,500,823 0
EQT Corporation Com 26884L109 11,582 209,900 SH   SOLE   209,900 0 0
EQT Midstream Partners LP Unit LTD Partn 26885B100 102,879 1,994,175 SH   OTR 1 0 1,994,175 0
EQT Midstream Partners LP Unit LTD Partn 26885B100 30,960 600,124 SH   SOLE   600,124 0 0
Eversource Energy Com 30040W108 28,208 481,284 SH   OTR 1 0 481,284 0
Eversource Energy Com 30040W108 5,989 102,190 SH   SOLE   102,190 0 0
Exelon Corp Com 30161N101 179,921 4,223,488 SH   OTR 1 0 4,223,488 0
Exelon Corp Com 30161N101 42,523 998,197 SH   SOLE   998,197 0 0
Fortis Inc Com 349553107 137 4,299 SH   OTR 1 0 4,299 0
Fortis Inc Com 349553107 856 26,854 SH   SOLE   26,854 0 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 120,766 4,273,387 SH   OTR 1 0 4,273,387 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 32,872 1,163,182 SH   SOLE   1,163,182 0 0
Idacorp Inc Com 451107106 27,498 298,116 SH   OTR 1 0 298,116 0
Idacorp Inc Com 451107106 2,854 30,940 SH   SOLE   30,940 0 0
Infrareit Inc Com 45685l100 12,031 542,661 SH   OTR 1 0 542,661 0
Infrareit Inc Com 45685l100 1,121 50,570 SH   SOLE   50,570 0 0
Kinder Morgan Inc Del Com 49456B101 203,773 11,532,133 SH   OTR 1 0 11,532,133 0
Kinder Morgan Inc Del Com 49456B101 33,858 1,916,108 SH   SOLE   1,916,108 0 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 221,095 3,200,559 SH   OTR 1 0 3,200,559 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 85,572 1,238,733 SH   SOLE   1,238,733 0 0
MPLX LP Com Unit Rep Ltd 55336V100 27,189 796,393 SH   OTR 1 0 796,393 0
MPLX LP Com Unit Rep Ltd 55336V100 4,909 143,790 SH   SOLE   143,790 0 0
National Grid PLC SPON ADR NEW 636274409 84,682 1,516,247 SH   OTR 1 0 1,516,247 0
National Grid PLC SPON ADR NEW 636274409 8,244 147,606 SH   SOLE   147,606 0 0
New Jersey Res Com 646025106 33,246 742,930 SH   OTR 1 0 742,930 0
New Jersey Res Com 646025106 7,391 165,169 SH   SOLE   165,169 0 0
NextEra Energy Inc Com 65339F101 107,242 642,052 SH   OTR 1 0 642,052 0
NextEra Energy Inc Com 65339F101 27,739 166,070 SH   SOLE   166,070 0 0
NextEra Energy Partners L P Com Unit Part In 65341B106 172,608 3,698,487 SH   OTR 1 0 3,698,487 0
NextEra Energy Partners L P Com Unit Part In 65341B106 61,245 1,312,301 SH   SOLE   1,312,301 0 0
Nisource Inc Com 65473P105 26,797 1,019,667 SH   OTR 1 0 1,019,667 0
Nisource Inc Com 65473P105 4,657 177,190 SH   SOLE   177,190 0 0
Oneok Inc. New Com 682680103 122,042 1,747,696 SH   OTR 1 0 1,747,696 0
Oneok Inc. New Com 682680103 28,520 408,427 SH   SOLE   408,427 0 0
Phillips 66 Partners LP Com Unit Rep Int 718549207 66,912 1,310,461 SH   OTR 1 0 1,310,461 0
Phillips 66 Partners LP Com Unit Rep Int 718549207 42,812 838,471 SH   SOLE   838,471 0 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 87,708 3,710,169 SH   OTR 1 0 3,710,169 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 30,967 1,309,946 SH   SOLE   1,309,946 0 0
PPL Corp Com 69351T106 44,007 1,541,411 SH   OTR 1 0 1,541,411 0
PPL Corp Com 69351T106 7,075 247,820 SH   SOLE   247,820 0 0
Public SVC Enterprise Group Com 744573106 138,334 2,555,113 SH   OTR 1 0 2,555,113 0
Public SVC Enterprise Group Com 744573106 36,841 680,474 SH   SOLE   680,474 0 0
Sempra Energy Com 816851109 38,254 329,466 SH   OTR 1 0 329,466 0
Sempra Energy Com 816851109 472 4,065 SH   SOLE   4,065 0 0
Shell Midstream Partners LP Unit Ltd Int 822634101 40,277 1,815,901 SH   OTR 1 0 1,815,901 0
Shell Midstream Partners LP Unit Ltd Int 822634101 28,177 1,270,385 SH   SOLE   1,270,385 0 0
Southern Co Com 842587107 63,761 1,376,837 SH   OTR 1 0 1,376,837 0
Southern Co Com 842587107 1,577 34,057 SH   SOLE   34,057 0 0
Spectra Energy Partners LP Com 84756N109 109,463 3,090,419 SH   OTR 1 0 3,090,419 0
Spectra Energy Partners LP Com 84756N109 33,889 956,765 SH   SOLE   956,765 0 0
Suburban Propane Partners LP Unit Ltd Partn 864482104 8,267 351,940 SH   OTR 1 0 351,940 0
Suburban Propane Partners LP Unit Ltd Partn 864482104 12 495 SH   SOLE   495 0 0
Targa Res Corp Com 87612G101 27,200 549,608 SH   OTR 1 0 549,608 0
Targa Res Corp Com 87612G101 503 10,170 SH   SOLE   10,170 0 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 133,463 5,143,081 SH   OTR 1 0 5,143,081 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 40,498 1,560,631 SH   SOLE   1,560,631 0 0
Transcanada Corp Com 89353D107 237,084 5,488,051 SH   OTR 1 0 5,488,051 0
Transcanada Corp Com 89353D107 53,379 1,235,626 SH   SOLE   1,235,626 0 0
Transmontaigne Partners L P Com Unit L P 89376V100 21,502 583,669 SH   OTR 1 0 583,669 0
Transmontaigne Partners L P Com Unit L P 89376V100 3,737 101,431 SH   SOLE   101,431 0 0
UGI Corp New Com 902681105 86,767 1,666,349 SH   OTR 1 0 1,666,349 0
UGI Corp New Com 902681105 29,156 559,936 SH   SOLE   559,936 0 0
Valero Energy Partners LP Com Unt Rep LP 91914J102 4,610 121,096 SH   OTR 1 0 121,096 0
Valero Energy Partners LP Com Unt Rep LP 91914J102 3,272 85,955 SH   SOLE   85,955 0 0
Western Gas Equity Partners Comunt Ltd Pt 95825R103 14,072 393,624 SH   OTR 1 0 393,624 0
Western Gas Equity Partners Comunt Ltd Pt 95825R103 3,568 99,800 SH   SOLE   99,800 0 0
Western Gas Partners LP Com Unit Lp In 958254104 14,445 298,521 SH   OTR 1 0 298,521 0
Western Gas Partners LP Com Unit Lp In 958254104 3,250 67,170 SH   SOLE   67,170 0 0
Westlake Chem Partners LP Com Unit RP LP 960417103 12,861 524,958 SH   OTR 1 0 524,958 0
Westlake Chem Partners LP Com Unit RP LP 960417103 19,453 794,010 SH   SOLE   794,010 0 0
Williams Cos Inc Del Com 969457100 182,593 6,735,253 SH   OTR 1 0 6,735,253 0
Williams Cos Inc Del Com 969457100 2,489 91,825 SH   SOLE   91,825 0 0
Williams Partners L P New Com Unit Ltd Par 96949L105 61,639 1,518,572 SH   OTR 1 0 1,518,572 0
Williams Partners L P New Com Unit Ltd Par 96949L105 44,271 1,090,689 SH   SOLE   1,090,689 0 0
WEC Energy Group Inc Com 92939U106 51,856 802,100 SH   OTR 1 0 802,100 0
WEC Energy Group Inc Com 92939U106 4,598 71,120 SH   SOLE   71,120 0 0
Xcel Energy Inc Com 98389B100 42,404 928,287 SH   OTR 1 0 928,287 0
Xcel Energy Inc Com 98389B100 3,889 85,125 SH   SOLE   85,125 0 0