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 39,453 1,007,747 SH   OTR 1 0 1,007,747 0
Alliance Holdings GP LP Com Units LP 01861G100 13,160 336,134 SH   SOLE   336,134 0 0
Alliance Res Partner L P Ut Ltd Part 01877R108 93,319 3,738,759 SH   OTR 1 0 3,738,759 0
Alliance Res Partner L P Ut Ltd Part 01877R108 15,578 624,134 SH   SOLE   624,134 0 0
Alliant Energy Corp Com 018802108 9,159 158,687 SH   OTR 1 0 158,687 0
Alliant Energy Corp Com 018802108 969 16,790 SH   SOLE   16,790 0 0
American Elec Pwr Inc Com 025537101 28,578 539,514 SH   OTR 1 0 539,514 0
American Elec Pwr Inc Com 025537101 1,999 37,740 SH   SOLE   37,740 0 0
American WTR WKS Co Inc NEW Com 030420103 2,660 54,700 SH   SOLE   54,700 0 0
Amerigas Partners L P Unit L P Int 030975106 144,920 3,170,413 SH   OTR 1 0 3,170,413 0
Amerigas Partners L P Unit L P Int 030975106 28,273 618,524 SH   SOLE   618,524 0 0
Aqua America Inc Com 03836W103 901 36,810 SH   SOLE   36,810 0 0
Atmos Energy Corp Com 049560105 36,955 720,647 SH   OTR 1 0 720,647 0
Atmos Energy Corp Com 049560105 11,107 216,604 SH   SOLE   216,604 0 0
Chesapeake Utils Corp Com 165303108 9,480 176,050 SH   OTR 1 0 176,050 0
Chesapeake Utils Corp Com 165303108 1,194 22,180 SH   SOLE   22,180 0 0
CMS Energy Corp Com 125896100 32,895 1,033,123 SH   OTR 1 0 1,033,123 0
CMS Energy Corp Com 125896100 1,096 34,410 SH   SOLE   34,410 0 0
Columbia Pipeline Partners LP Com UT Repstg 198281107 23,144 918,432 SH   OTR 1 0 918,432 0
Columbia Pipeline Partners LP Com UT Repstg 198281107 8,673 344,160 SH   SOLE   344,160 0 0
CorEnergy Infrastructure TR Com 21870U205 10,013 1,584,383 SH   OTR 1 0 1,584,383 0
CorEnergy Infrastructure TR Com 21870U205 1,025 162,249 SH   SOLE   162,249 0 0
Dominion Midstream Partners LP Com UT Rep Ltd 257454108 2,069 54,000 SH   SOLE   54,000 0 0
Dominion Res Inc VA New Com 25746U109 72,717 1,087,431 SH   OTR 1 0 1,087,431 0
Dominion Res Inc VA New Com 25746U109 9,355 139,902 SH   SOLE   139,902 0 0
Duke Energy Corp New Com New 26441C204 7,771 110,046 SH   OTR 1 0 110,046 0
Enbridge Energy Management L Shs Units LLI 29250X103 171,776 5,205,346 SH   OTR 1 0 5,205,346 0
Enbridge Energy Management L Shs Units LLI 29250X103 39,884 1,208,591 SH   SOLE   1,208,591 0 0
Enbridge Energy Partners L P Com 29250R106 180,930 5,428,457 SH   OTR 1 0 5,428,457 0
Enbridge Energy Partners L P Com 29250R106 3,207 96,230 SH   SOLE   96,230 0 0
ENBRIDGE INC Com 29250N105 114,991 2,457,601 SH   OTR 1 0 2,457,601 0
ENBRIDGE INC Com 29250N105 11,970 255,826 SH   SOLE   255,826 0 0
Energy Transfer Equity L P Com Ut Ltd Ptn 29273V100 135,156 2,106,212 SH   OTR 1 0 2,106,212 0
Energy Transfer Equity L P Com Ut Ltd Ptn 29273V100 11,357 176,989 SH   SOLE   176,989 0 0
Energy Transfer Prtnrs L P Unit Ltd Partn 29273R109 122,125 2,339,556 SH   OTR 1 0 2,339,556 0
Energy Transfer Prtnrs L P Unit Ltd Partn 29273R109 24,813 475,345 SH   SOLE   475,345 0 0
Enterprise Prods Partners L Com 293792107 255,268 8,540,261 SH   OTR 1 0 8,540,261 0
Enterprise Prods Partners L Com 293792107 53,902 1,803,342 SH   SOLE   1,803,342 0 0
EQT Midstream Partners LP Unit LTD Partn 26885B100 76,374 936,643 SH   OTR 1 0 936,643 0
EQT Midstream Partners LP Unit LTD Partn 26885B100 20,384 249,983 SH   SOLE   249,983 0 0
Eversource Energy Com 30040W108 48,245 1,062,423 SH   OTR 1 0 1,062,423 0
Eversource Energy Com 30040W108 13,051 287,403 SH   SOLE   287,403 0 0
Exelon Corp Com 30161N101 31,160 991,735 SH   OTR 1 0 991,735 0
Exelon Corp Com 30161N101 126 4,000 SH   SOLE   4,000 0 0
Golar LNG Partners LP Com Unit LPI Y2745C102 27,382 1,109,932 SH   OTR 1 0 1,109,932 0
Golar LNG Partners LP Com Unit LPI Y2745C102 6,038 244,735 SH   SOLE   244,735 0 0
Hoegh LNG Parnters L P Com Unit Ltd Y3262R100 6,739 352,842 SH   OTR 1 0 352,842 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 90,309 2,569,981 SH   OTR 1 0 2,569,981 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 17,606 501,023 SH   SOLE   501,023 0 0
Idacorp Inc Com 451107106 9,713 173,014 SH   OTR 1 0 173,014 0
Idacorp Inc Com 451107106 1,470 26,190 SH   SOLE   26,190 0 0
Infrareit Inc Com 45685L100 32,950 1,161,836 SH   OTR 1 0 1,161,836 0
Infrareit Inc Com 45685L100 13,248 467,130 SH   SOLE   467,130 0 0
ITC Hldgs Corp Com 465685105 86,810 2,697,632 SH   OTR 1 0 2,697,632 0
ITC Hldgs Corp Com 465685105 15,447 480,008 SH   SOLE   480,008 0 0
Kinder Morgan Inc Del Com 49456B101 471,223 12,274,624 SH   OTR 1 0 12,274,624 0
Kinder Morgan Inc Del Com 49456B101 59,733 1,555,959 SH   SOLE   1,555,959 0 0
Kinder Morgan Inc Del *W EXP 05/25/201 49456B119 621 16,179 SH   SOLE   16,179 0 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 195,810 2,668,443 SH   OTR 1 0 2,668,443 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 25,242 343,993 SH   SOLE   343,993 0 0
MPLX LP Com Unit Rep Ltd 55336V100 9,422 132,000 SH   OTR 1 0 132,000 0
National Grid PLC SPON ADR NEW 636274300 35,219 545,436 SH   OTR 1 0 545,436 0
National Grid PLC SPON ADR NEW 636274300 11,672 180,762 SH   SOLE   180,762 0 0
Natural Resource Partners L Com Unit L P 63900P103 5,305 1,399,740 SH   OTR 1 0 1,399,740 0
Natural Resource Partners L Com Unit L P 63900P103 914 241,140 SH   SOLE   241,140 0 0
New Jersey Res Com 646025106 6,676 242,340 SH   OTR 1 0 242,340 0
New Jersey Res Com 646025106 988 35,860 SH   SOLE   35,860 0 0
NextEra Energy Inc Com 65339F101 44,899 458,009 SH   OTR 1 0 458,009 0
NextEra Energy Inc Com 65339F101 13,894 141,733 SH   SOLE   141,733 0 0
NextEra Energy Partners L P Com Unit Part In 65341B106 46,238 1,167,033 SH   OTR 1 0 1,167,033 0
NextEra Energy Partners L P Com Unit Part In 65341B106 18,663 471,039 SH   SOLE   471,039 0 0
NGL Energy Partners LP Com Unit Repst 62913M107 90,637 2,988,361 SH   OTR 1 0 2,988,361 0
NGL Energy Partners LP Com Unit Repst 62913M107 24,488 807,369 SH   SOLE   807,369 0 0
Nisource Inc Com 65473P105 64,402 1,412,625 SH   OTR 1 0 1,412,625 0
NRG Yield Inc CL C 62942X405 4,039 184,528 SH   OTR 1 0 184,528 0
NRG Yield Inc CL C 62942X405 1,497 68,401 SH   SOLE   68,401 0 0
NRG Yield Inc CL A NEW 62942X306 13,031 592,595 SH   OTR 1 0 592,595 0
NRG Yield Inc CL A NEW 62942X306 1,505 68,441 SH   SOLE   68,441 0 0
One Gas Inc. Com 68235P108 33,260 781,483 SH   OTR 1 0 781,483 0
One Gas Inc. Com 68235P108 12,966 304,652 SH   SOLE   304,652 0 0
Oneok Inc. New Com 682680103 34,119 864,213 SH   OTR 1 0 864,213 0
Oneok Partners LP Unit Ltd Partn 68268N103 40,498 1,191,119 SH   OTR 1 0 1,191,119 0
Pattern Energy Group Inc CL A 70338P100 20,796 732,779 SH   OTR 1 0 732,779 0
Pattern Energy Group Inc CL A 70338P100 146 5,130 SH   SOLE   5,130 0 0
Phillips 66 Partners LP COM UNIT REP INT 718549207 21,263 295,316 SH   OTR 1 0 295,316 0
Piedmont Nat Gas Inc. Com 720186105 26,125 739,883 SH   OTR 1 0 739,883 0
Piedmont Nat Gas Inc. Com 720186105 9,124 258,400 SH   SOLE   258,400 0 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 173,154 3,974,157 SH   OTR 1 0 3,974,157 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 27,420 629,325 SH   SOLE   629,325 0 0
Plains GP Hldgs LP-CL A SHS A REP LTPN 72651A108 5,573 215,681 SH   OTR 1 0 215,681 0
Plains GP Hldgs LP-CL A SHS A REP LTPN 72651A108 6,682 258,600 SH   SOLE   258,600 0 0
Public SVC Enterprise Group Com 744573106 71,625 1,823,445 SH   OTR 1 0 1,823,445 0
Public SVC Enterprise Group Com 744573106 3,714 94,540 SH   SOLE   94,540 0 0
Rose Rock Midstream LP COM U REP LTD 777149105 21 449 SH   OTR 1 0 449 0
Rose Rock Midstream LP COM U REP LTD 777149105 1,737 37,160 SH   SOLE   37,160 0 0
Scana Corp New Com 80589M102 14,578 287,828 SH   OTR 1 0 287,828 0
Scana Corp New Com 80589M102 1,502 29,650 SH   SOLE   29,650 0 0
Sempra Energy Com 816851109 41,990 424,395 SH   OTR 1 0 424,395 0
Sempra Energy Com 816851109 10,324 104,351 SH   SOLE   104,351 0 0
Shell Midstream Partners LP Unit Ltd Int 822634101 5,373 117,700 SH   OTR 1 0 117,700 0
Shell Midstream Partners LP Unit Ltd Int 822634101 247 5,400 SH   SOLE   5,400 0 0
South Jersey Inds Inc Com 838518108 17,632 712,987 SH   OTR 1 0 712,987 0
South Jersey Inds Inc Com 838518108 37 1,500 SH   SOLE   1,500 0 0
Southern Co Com 842587107 20,988 500,913 SH   OTR 1 0 500,913 0
Southern Co Com 842587107 993 23,700 SH   SOLE   23,700 0 0
Spectra Energy Corp Com 847560109 137,155 4,207,221 SH   OTR 1 0 4,207,221 0
Spectra Energy Corp Com 847560109 6,239 191,380 SH   SOLE   191,380 0 0
Spectra Energy Partners LP Com 84756N109 111,831 2,425,836 SH   OTR 1 0 2,425,836 0
Spectra Energy Partners LP Com 84756N109 20,307 440,508 SH   SOLE   440,508 0 0
Suburban Propane Partners L Unit Ltd Partn 864482104 65,664 1,646,545 SH   OTR 1 0 1,646,545 0
Tallgrass Energy Partners LP Com Unit 874697105 28,197 586,462 SH   OTR 1 0 586,462 0
Tallgrass Energy Partners LP Com Unit 874697105 13,214 274,824 SH   SOLE   274,824 0 0
Targa Resources Partners LP Com Unit 87611X105 39,387 1,020,379 SH   OTR 1 0 1,020,379 0
Targa Resources Partners LP Com Unit 87611X105 16,871 437,084 SH   SOLE   437,084 0 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 113,848 1,997,328 SH   OTR 1 0 1,997,328 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 20,504 359,728 SH   SOLE   359,728 0 0
Tallgrass Energy GP LP SHS CL A 874696107 4,536 141,100 SH   OTR 1 0 141,100 0
Tallgrass Energy GP LP SHS CL A 874696107 344 10,700 SH   SOLE   10,700 0 0
Teekay LNG Partners L P Prtnrsp Units Y8564M105 90,207 2,801,454 SH   OTR 1 0 2,801,454 0
Teekay LNG Partners L P Prtnrsp Units Y8564M105 7,574 235,218 SH   SOLE   235,218 0 0
Transcanada Corp Com 89353D107 162,685 4,005,040 SH   OTR 1 0 4,005,040 0
Transcanada Corp Com 89353D107 22,476 553,314 SH   SOLE   553,314 0 0
Transmontaigne Partners L P Com Unit L P 89376V100 41,914 1,103,006 SH   OTR 1 0 1,103,006 0
Transmontaigne Partners L P Com Unit L P 89376V100 13,070 343,939 SH   SOLE   343,939 0 0
UGI Corp New Com 902681105 66,210 1,921,916 SH   OTR 1 0 1,921,916 0
UGI Corp New Com 902681105 8,879 257,748 SH   SOLE   257,748 0 0
Westlake Chem Partners LP Com Unit RP LP 960417103 6,695 307,804 SH   OTR 1 0 307,804 0
Westlake Chem Partners LP Com Unit RP LP 960417103 7,897 363,059 SH   SOLE   363,059 0 0
Williams Cos Inc Del Com 969457100 219,424 3,823,391 SH   OTR 1 0 3,823,391 0
Williams Cos Inc Del Com 969457100 6,217 108,334 SH   SOLE   108,334 0 0
Williams Partners L P Com Unit L P 96949L105 148,354 3,063,264 SH   OTR 1 0 3,063,264 0
Williams Partners L P Com Unit L P 96949L105 22,168 457,737 SH   SOLE   457,737 0 0
WEC Energy Group Inc Com 92939U106 32,604 725,013 SH   OTR 1 0 725,013 0
WEC Energy Group Inc Com 92939U106 1,729 38,450 SH   SOLE   38,450 0 0