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
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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 20,361 1,008,988 SH   OTR 1 0 1,008,988 0
Alliance Holdings GP LP Com Units LP 01861G100 6,348 314,549 SH   SOLE   314,549 0 0
Alliance Res Partner L P Ut Ltd Part 01877R108 52,785 3,912,909 SH   OTR 1 0 3,912,909 0
Alliance Res Partner L P Ut Ltd Part 01877R108 9,313 690,328 SH   SOLE   690,328 0 0
Alliant Energy Corp Com 18802108 9,953 159,382 SH   OTR 1 0 159,382 0
Alliant Energy Corp Com 18802108 1,327 21,250 SH   SOLE   21,250 0 0
American Elec Pwr Inc Com 25537101 35,879 615,730 SH   OTR 1 0 615,730 0
American Elec Pwr Inc Com 25537101 2,583 44,330 SH   SOLE   44,330 0 0
American Wtr Wks Co Inc NEW Com 30420103 1,883 31,520 SH   SOLE   31,520 0 0
Amerigas Partners L P Unit L P Int 30975106 82,109 2,395,931 SH   OTR 1 0 2,395,931 0
Amerigas Partners L P Unit L P Int 30975106 12,025 350,884 SH   SOLE   350,884 0 0
Aqua America Inc Com 03836W103 1,809 60,690 SH   SOLE   60,690 0 0
Atmos Energy Corp Com 49560105 32,091 509,065 SH   OTR 1 0 509,065 0
Atmos Energy Corp Com 49560105 11,362 180,232 SH   SOLE   180,232 0 0
Chesapeake Utils Corp Com 165303108 10,494 184,925 SH   OTR 1 0 184,925 0
Chesapeake Utils Corp Com 165303108 2,579 45,440 SH   SOLE   45,440 0 0
CMS Energy Corp Com 125896100 30,430 843,405 SH   OTR 1 0 843,405 0
CMS Energy Corp Com 125896100 1,093 30,280 SH   SOLE   30,280 0 0
Columbia Pipeline Group Com 198280109 848 42,395 SH   OTR 1 0 42,395 0
Columbia Pipeline Partners LP Com UT Repstg 198281107 38,017 2,174,864 SH   OTR 1 0 2,174,864 0
Columbia Pipeline Partners LP Com UT Repstg 198281107 19,637 1,123,381 SH   SOLE   1,123,381 0 0
CorEnergy Infrastructure TR Com 21870U502 4,964 334,506 SH   OTR 1 0 334,506 0
CorEnergy Infrastructure TR Com 21870U502 97 6,545 SH   SOLE   6,545 0 0
Dominion Res Inc VA New Com 25746U109 41,865 618,933 SH   OTR 1 0 618,933 0
Dominion Res Inc VA New Com 25746U109 8,128 120,162 SH   SOLE   120,162 0 0
Enbridge Energy Management L Shs Units LLI 29250X103 125,296 5,611,101 SH   OTR 1 0 5,611,101 0
Enbridge Energy Management L Shs Units LLI 29250X103 27,477 1,230,487 SH   SOLE   1,230,487 0 0
Enbridge Energy Partners L P Com 29250R106 139,483 6,046,075 SH   OTR 1 0 6,046,075 0
Enbridge Energy Partners L P Com 29250R106 5,769 250,050 SH   SOLE   250,050 0 0
ENBRIDGE INC Com 29250N105 53,519 1,612,510 SH   OTR 1 0 1,612,510 0
ENBRIDGE INC Com 29250N105 2,639 79,506 SH   SOLE   79,506 0 0
Energy Transfer Equity L P Com Ut Ltd Ptn 29273V100 32,059 2,333,240 SH   OTR 1 0 2,333,240 0
Energy Transfer Equity L P Com Ut Ltd Ptn 29273V100 55 4,000 SH   SOLE   4,000 0 0
Energy Transfer Prtnrs L P Unit Ltd Partn 29273R109 37,428 1,109,650 SH   OTR 1 0 1,109,650 0
Energy Transfer Prtnrs L P Unit Ltd Partn 29273R109 6,637 196,781 SH   SOLE   196,781 0 0
Enterprise Prods Partners L Com 293792107 288,304 11,270,694 SH   OTR 1 0 11,270,694 0
Enterprise Prods Partners L Com 293792107 62,429 2,440,528 SH   SOLE   2,440,528 0 0
EQT Midstream Partners LP Unit LTD Partn 26885B100 115,653 1,532,643 SH   OTR 1 0 1,532,643 0
EQT Midstream Partners LP Unit LTD Partn 26885B100 29,402 389,640 SH   SOLE   389,640 0 0
Eversource Energy Com 30040W108 55,767 1,091,967 SH   OTR 1 0 1,091,967 0
Eversource Energy Com 30040W108 12,980 254,170 SH   SOLE   254,170 0 0
Exelon Corp Com 30161N101 33,318 1,199,794 SH   OTR 1 0 1,199,794 0
Exelon Corp Com 30161N101 111 4,000 SH   SOLE   4,000 0 0
Hoegh LNG Parnters L P Com Unit Ltd Y3262R100 2,575 138,295 SH   OTR 1 0 138,295 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 105,382 3,384,124 SH   OTR 1 0 3,384,124 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 30,688 985,477 SH   SOLE   985,477 0 0
Idacorp Inc Com 451107106 11,294 166,094 SH   OTR 1 0 166,094 0
Idacorp Inc Com 451107106 1,788 26,290 SH   SOLE   26,290 0 0
Infrareit Inc Com 45685l100 18,005 973,226 SH   OTR 1 0 973,226 0
Infrareit Inc Com 45685l100 7,619 411,825 SH   SOLE   411,825 0 0
ITC Hldgs Corp Com 465685105 32,992 840,551 SH   OTR 1 0 840,551 0
ITC Hldgs Corp Com 465685105 406 10,350 SH   SOLE   10,350 0 0
JPMorgan Chase & Co ALERIAN ML ETN 46625H365 4,751 164,000 SH   SOLE   164,000 0 0
Kinder Morgan Inc Del Com 49456B101 181,405 12,158,514 SH   OTR 1 0 12,158,514 0
Kinder Morgan Inc Del Com 49456B101 21,899 1,467,729 SH   SOLE   1,467,729 0 0
Kinder Morgan Inc Del *W EXP 05/25/201 49456B119 1 15,360 SH   SOLE   15,360 0 0
Kinder Morgan Inc Del PFD SER A 49456B200 1,612 40,000 SH   SOLE   40,000 0 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 189,268 2,786,636 SH   OTR 1 0 2,786,636 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 31,185 459,145 SH   SOLE   459,145 0 0
MPLX LP Com Unit Rep Ltd 55336V100 5,192 132,000 SH   OTR 1 0 132,000 0
National Grid PLC SPON ADR NEW 636274300 35,629 512,358 SH   OTR 1 0 512,358 0
National Grid PLC SPON ADR NEW 636274300 10,166 146,183 SH   SOLE   146,183 0 0
Natural Resource Partners L Com Unit L P 63900P103 586 461,689 SH   OTR 1 0 461,689 0
New Jersey Res Com 646025106 24,177 733,528 SH   OTR 1 0 733,528 0
New Jersey Res Com 646025106 8,393 254,650 SH   SOLE   254,650 0 0
NextEra Energy Inc Com 65339F101 80,014 770,178 SH   OTR 1 0 770,178 0
NextEra Energy Inc Com 65339F101 14,128 135,994 SH   SOLE   135,994 0 0
NextEra Energy Partners L P Com Unit Part In 65341B106 65,594 2,197,440 SH   OTR 1 0 2,197,440 0
NextEra Energy Partners L P Com Unit Part In 65341B106 18,687 626,044 SH   SOLE   626,044 0 0
NGL Energy Partners LP Com Unit Repst 62913M107 18,690 1,692,901 SH   OTR 1 0 1,692,901 0
NGL Energy Partners LP Com Unit Repst 62913M107 92 8,290 SH   SOLE   8,290 0 0
Nisource Inc Com 65473P105 21,666 1,110,533 SH   OTR 1 0 1,110,533 0
Nisource Inc Com 65473P105 402 20,620 SH   SOLE   20,620 0 0
One Gas Inc. Com 68235P108 19,491 388,501 SH   OTR 1 0 388,501 0
One Gas Inc. Com 68235P108 7,181 143,129 SH   SOLE   143,129 0 0
Oneok Inc. New Com 682680103 21,987 891,626 SH   OTR 1 0 891,626 0
Oneok Partners LP Unit Ltd Partn 68268N103 19,569 649,478 SH   OTR 1 0 649,478 0
Piedmont Nat Gas Inc. Com 720186105 6,321 110,854 SH   OTR 1 0 110,854 0
Piedmont Nat Gas Inc. Com 720186105 6,403 112,300 SH   SOLE   112,300 0 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 137,550 5,954,538 SH   OTR 1 0 5,954,538 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 25,063 1,084,961 SH   SOLE   1,084,961 0 0
Public SVC Enterprise Group Com 744573106 63,191 1,633,252 SH   OTR 1 0 1,633,252 0
Public SVC Enterprise Group Com 744573106 4,244 109,700 SH   SOLE   109,700 0 0
Scana Corp New Com 80589M102 23,616 390,409 SH   OTR 1 0 390,409 0
Scana Corp New Com 80589M102 3,547 58,640 SH   SOLE   58,640 0 0
Sempra Energy Com 816851109 69,124 735,281 SH   OTR 1 0 735,281 0
Sempra Energy Com 816851109 15,210 161,786 SH   SOLE   161,786 0 0
Southern Co Com 842587107 11,240 240,217 SH   OTR 1 0 240,217 0
Southern Co Com 842587107 264 5,640 SH   SOLE   5,640 0 0
Spectra Energy Corp Com 847560109 93,621 3,910,661 SH   OTR 1 0 3,910,661 0
Spectra Energy Corp Com 847560109 193 8,070 SH   SOLE   8,070 0 0
Spectra Energy Partners LP Com 84756N109 149,016 3,124,021 SH   OTR 1 0 3,124,021 0
Spectra Energy Partners LP Com 84756N109 43,439 910,680 SH   SOLE   910,680 0 0
Suburban Propane Partners L Unit Ltd Partn 864482104 35,181 1,447,179 SH   OTR 1 0 1,447,179 0
Tallgrass Energy Partners LP Com Unit 874697105 65,025 1,577,905 SH   OTR 1 0 1,577,905 0
Tallgrass Energy Partners LP Com Unit 874697105 16,554 401,708 SH   SOLE   401,708 0 0
Targa Resources Partners LP Com Unit 87611X105 39,706 2,402,066 SH   OTR 1 0 2,402,066 0
Targa Resources Partners LP Com Unit 87611X105 7,953 481,105 SH   SOLE   481,105 0 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 101,986 2,051,613 SH   OTR 1 0 2,051,613 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 21,082 424,098 SH   SOLE   424,098 0 0
Tallgrass Energy GP LP SHS CL A 874696107 2 130 SH   SOLE   130 0 0
Teekay LNG Partners L P Prtnrsp Units Y8564M105 27,921 2,123,244 SH   OTR 1 0 2,123,244 0
Transcanada Corp Com 89353D107 145,039 4,450,412 SH   OTR 1 0 4,450,412 0
Transcanada Corp Com 89353D107 26,956 827,133 SH   SOLE   827,133 0 0
Transmontaigne Partners L P Com Unit L P 89376V100 28,510 1,065,394 SH   OTR 1 0 1,065,394 0
Transmontaigne Partners L P Com Unit L P 89376V100 9,084 339,475 SH   SOLE   339,475 0 0
UGI Corp New Com 902681105 52,563 1,556,959 SH   OTR 1 0 1,556,959 0
UGI Corp New Com 902681105 5,814 172,220 SH   SOLE   172,220 0 0
Westlake Chem Partners LP Com Unit RP LP 960417103 8,072 363,932 SH   OTR 1 0 363,932 0
Westlake Chem Partners LP Com Unit RP LP 960417103 5,630 253,847 SH   SOLE   253,847 0 0
Williams Cos Inc Del Com 969457100 55,786 2,170,651 SH   OTR 1 0 2,170,651 0
Williams Partners L P Com Unit L P 96949L105 64,171 2,304,173 SH   OTR 1 0 2,304,173 0
Williams Partners L P Com Unit L P 96949L105 7,001 251,378 SH   SOLE   251,378 0 0
WEC Energy Group Inc Com 92939U106 33,304 649,078 SH   OTR 1 0 649,078 0
WEC Energy Group Inc Com 92939U106 1,615 31,480 SH   SOLE   31,480 0 0
Xcel Energy Inc Com 98389B100 2,693 75,000 SH   OTR 1 0 75,000 0
Xcel Energy Inc Com 98389B100 1,308 36,420 SH   SOLE   36,420 0 0