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 Holdings GP LP Com Units LP 01861G100 25,556 1,078,297 SH   OTR 1 0 1,078,297 0
Alliance Holdings GP LP Com Units LP 01861G100 3,949 166,645 SH   SOLE   166,645 0 0
Alliance Res Partner L P Ut Ltd Part 01877R108 73,120 3,868,764 SH   OTR 1 0 3,868,764 0
Alliance Res Partner L P Ut Ltd Part 01877R108 13,803 730,310 SH   SOLE   730,310 0 0
Alliant Energy Corp Com 018802108 17,462 434,703 SH   OTR 1 0 434,703 0
Alliant Energy Corp Com 018802108 2,416 60,140 SH   SOLE   60,140 0 0
American Elec Pwr Inc Com 025537101 81,118 1,167,676 SH   OTR 1 0 1,167,676 0
American Elec Pwr Inc Com 025537101 8,350 120,194 SH   SOLE   120,194 0 0
American Wtr Wks Co Inc NEW Com 030420103 6,122 78,538 SH   OTR 1 0 78,538 0
American Wtr Wks Co Inc NEW Com 030420103 1,011 12,970 SH   SOLE   12,970 0 0
Amerigas Partners L P Unit L P Int 030975106 88,954 1,969,321 SH   OTR 1 0 1,969,321 0
Amerigas Partners L P Unit L P Int 030975106 13,053 288,968 SH   SOLE   288,968 0 0
Atmos Energy Corp Com 049560105 21,155 255,035 SH   OTR 1 0 255,035 0
Atmos Energy Corp Com 049560105 2,331 28,100 SH   SOLE   28,100 0 0
Buckeye Partners LP Unit LTD Partn 118230101 68,416 1,070,174 SH   OTR 1 0 1,070,174 0
Buckeye Partners LP Unit LTD Partn 118230101 4,660 72,892 SH   SOLE   72,892 0 0
Chesapeake Utils Corp Com 165303108 36,504 487,041 SH   OTR 1 0 487,041 0
Chesapeake Utils Corp Com 165303108 3,773 50,340 SH   SOLE   50,340 0 0
CMS Energy Corp Com 125896100 42,318 914,994 SH   OTR 1 0 914,994 0
CMS Energy Corp Com 125896100 2,458 53,150 SH   SOLE   53,150 0 0
CorEnergy Infrastructure TR Com NEW 21870U502 11,748 349,744 SH   OTR 1 0 349,744 0
CorEnergy Infrastructure TR Com NEW 21870U502 498 14,827 SH   SOLE   14,827 0 0
Dominion Energy Midstrm Prtn Com Ut Rep Ltd 257454108 11,311 392,055 SH   OTR 1 0 392,055 0
Dominion Energy Midstrm Prtn Com Ut Rep Ltd 257454108 2,407 83,440 SH   SOLE   83,440 0 0
Duke Energy Corp New Com New 26441C204 61,366 734,130 SH   OTR 1 0 734,130 0
Duke Energy Corp New Com New 26441C204 2,498 29,880 SH   SOLE   29,880 0 0
Edison Intl Com 281020107 5,872 75,096 SH   OTR 1 0 75,096 0
Edison Intl Com 281020107 2,825 36,130 SH   SOLE   36,130 0 0
Enbridge Energy Management L Shs Units LLI 29250X103 157,331 10,209,683 SH   OTR 1 0 10,209,683 0
Enbridge Energy Management L Shs Units LLI 29250X103 9,464 614,162 SH   SOLE   614,162 0 0
Enbridge Energy Partners L P Com 29250R106 148,548 9,284,274 SH   OTR 1 0 9,284,274 0
Enbridge Energy Partners L P Com 29250R106 33,915 2,119,705 SH   SOLE   2,119,705 0 0
ENBRIDGE INC Com 29250N105 92,700 2,328,558 SH   OTR 1 0 2,328,558 0
ENBRIDGE INC Com 29250N105 14,541 365,249 SH   SOLE   365,249 0 0
Enterprise Prods Partners L Com 293792107 393,649 14,536,520 SH   OTR 1 0 14,536,520 0
Enterprise Prods Partners L Com 293792107 101,930 3,764,048 SH   SOLE   3,764,048 0 0
EQT Midstream Partners LP Unit LTD Partn 26885B100 142,808 1,913,547 SH   OTR 1 0 1,913,547 0
EQT Midstream Partners LP Unit LTD Partn 26885B100 33,286 446,015 SH   SOLE   446,015 0 0
Eversource Energy Com 30040W108 74,024 1,219,300 SH   OTR 1 0 1,219,300 0
Eversource Energy Com 30040W108 12,444 204,972 SH   SOLE   204,972 0 0
Exelon Corp Com 30161N101 94,575 2,621,973 SH   OTR 1 0 2,621,973 0
Exelon Corp Com 30161N101 889 24,655 SH   SOLE   24,655 0 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 168,383 5,184,219 SH   OTR 1 0 5,184,219 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 49,662 1,529,012 SH   SOLE   1,529,012 0 0
Idacorp Inc Com 451107106 24,607 288,307 SH   OTR 1 0 288,307 0
Idacorp Inc Com 451107106 1,603 18,780 SH   SOLE   18,780 0 0
Infrareit Inc Com 45685l100 21,697 1,133,006 SH   OTR 1 0 1,133,006 0
Infrareit Inc Com 45685l100 2,401 125,390 SH   SOLE   125,390 0 0
Kinder Morgan Inc Del Com 49456B101 113,244 5,910,419 SH   OTR   0 5,910,419 0
Kinder Morgan Inc Del Com 49456B101 21,178 1,105,310 SH   SOLE   1,105,310 0 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 176,044 2,470,093 SH   OTR 1 0 2,470,093 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 41,897 587,858 SH   SOLE   587,858 0 0
National Grid PLC SPON ADR NEW 636274300 77,787 1,238,246 SH   OTR 1 0 1,238,246 0
National Grid PLC SPON ADR NEW 636274300 12,992 206,821 SH   SOLE   206,821 0 0
New Jersey Res Com 646025106 27,455 691,568 SH   OTR 1 0 691,568 0
New Jersey Res Com 646025106 6,763 170,343 SH   SOLE   170,343 0 0
NextEra Energy Inc Com 65339F101 77,554 553,444 SH   OTR 1 0 553,444 0
NextEra Energy Inc Com 65339F101 16,391 116,972 SH   SOLE   116,972 0 0
NextEra Energy Partners L P Com Unit Part In 65341B106 147,693 3,992,783 SH   OTR 1 0 3,992,783 0
NextEra Energy Partners L P Com Unit Part In 65341B106 40,466 1,093,967 SH   SOLE   1,093,967 0 0
NGL Energy Partners LP Com Unit Repst 62913M107 19,640 1,402,855 SH   OTR 1 0 1,402,855 0
NGL Energy Partners LP Com Unit Repst 62913M107 4,977 355,532 SH   SOLE   355,532 0 0
Nisource Inc Com 65473P105 13,857 546,398 SH   OTR 1 0 546,398 0
Oneok Inc. New Com 682680103 64,130 1,229,485 SH   OTR 1 0 1,229,485 0
Oneok Partners LP Unit Ltd Partn 68268N103 147,952 2,897,041 SH   OTR 1 0 2,897,041 0
Oneok Partners LP Unit Ltd Partn 68268N103 24,712 483,884 SH   SOLE   483,884 0 0
Phillips 66 Partners LP Com Unit Rep Int 718549207 68,255 1,381,123 SH   OTR 1 0 1,381,123 0
Phillips 66 Partners LP Com Unit Rep Int 718549207 37,624 761,309 SH   SOLE   761,309 0 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 156,449 5,955,416 SH   OTR 1 0 5,955,416 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 43,407 1,652,344 SH   SOLE   1,652,344 0 0
Plains GP Holdings LP Ltd Partnr Int A 72651A207 78,936 3,017,450 SH   OTR 1 0 3,017,450 0
Plains GP Holdings LP Ltd Partnr Int A 72651A207 630 24,100 SH   SOLE   24,100 0 0
Public SVC Enterprise Group Com 744573106 78,973 1,836,163 SH   OTR 1 0 1,836,163 0
Public SVC Enterprise Group Com 744573106 11,536 268,220 SH   SOLE   268,220 0 0
Scana Corp New Com 80589M102 41,188 614,660 SH   OTR 1 0 614,660 0
Scana Corp New Com 80589M102 6,025 89,905 SH   SOLE   89,905 0 0
Sempra Energy Com 816851109 61,664 546,909 SH   OTR 1 0 546,909 0
Sempra Energy Com 816851109 12,871 114,153 SH   SOLE   114,153 0 0
Shell Midstream Partners LP Unit Ltd Int 822634101 39,254 1,295,503 SH   OTR 1 0 1,295,503 0
Shell Midstream Partners LP Unit Ltd Int 822634101 30,359 1,001,932 SH   SOLE   1,001,932 0 0
Southern Co Com 842587107 45,997 960,677 SH   OTR 1 0 960,677 0
Southern Co Com 842587107 8,964 187,220 SH   SOLE   187,220 0 0
Spectra Energy Partners LP Com 84756N109 222,525 5,187,071 SH   OTR 1 0 5,187,071 0
Spectra Energy Partners LP Com 84756N109 51,167 1,192,712 SH   SOLE   1,192,712 0 0
Tallgrass Energy Partners LP Com Unit 874697105 69,019 1,377,896 SH   OTR 1 0 1,377,896 0
Tallgrass Energy Partners LP Com Unit 874697105 21,103 421,295 SH   SOLE   421,295 0 0
Targa Res Corp Com 87612G101 36,883 816,002 SH   OTR 1 0 816,002 0
Targa Res Corp Com 87612G101 59 1,300 SH   SOLE   1,300 0 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 169,107 3,074,674 SH   OTR 1 0 3,074,674 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 50,565 919,365 SH   SOLE   919,365 0 0
Transcanada Corp Com 89353D107 204,986 4,300,107 SH   OTR 1 0 4,300,107 0
Transcanada Corp Com 89353D107 29,320 615,060 SH   SOLE   615,060 0 0
Transmontaigne Partners L P Com Unit L P 89376V100 20,868 496,868 SH   OTR 1 0 496,868 0
Transmontaigne Partners L P Com Unit L P 89376V100 2,423 57,681 SH   SOLE   57,681 0 0
UGI Corp New Com 902681105 57,383 1,185,352 SH   OTR 1 0 1,185,352 0
UGI Corp New Com 902681105 6,746 139,345 SH   SOLE   139,345 0 0
Westlake Chem Partners LP Com Unit RP LP 960417103 11,059 446,814 SH   OTR 1 0 446,814 0
Westlake Chem Partners LP Com Unit RP LP 960417103 12,124 489,860 SH   SOLE   489,860 0 0
Williams Cos Inc Del Com 969457100 152,270 5,028,728 SH   OTR 1 0 5,028,728 0
Williams Cos Inc Del Com 969457100 406 13,400 SH   SOLE   13,400 0 0
Williams Partners L P New Com Unit Ltd Par 96949L105 110,407 2,752,594 SH   OTR 1 0 2,752,594 0
Williams Partners L P New Com Unit Ltd Par 96949L105 33,503 835,280 SH   SOLE   835,280 0 0
WEC Energy Group Inc Com 92939U106 37,487 610,733 SH   OTR 1 0 610,733 0
WEC Energy Group Inc Com 92939U106 1,798 29,290 SH   SOLE   29,290 0 0
Xcel Energy Inc Com 98389B100 31,676 690,399 SH   OTR 1 0 690,399 0
Xcel Energy Inc Com 98389B100 2,349 51,200 SH   SOLE   51,200 0 0