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 11,950 3,854,784 SH   OTR 1 0 3,854,784 0
Alliance Res Partner L P Ut Ltd Part 01877R108 2,636 850,387 SH   SOLE   850,387 0 0
Alliant Energy Corp Com 018802108 37,189 770,108 SH   OTR 1 0 770,108 0
Alliant Energy Corp Com 018802108 9,167 189,838 SH   SOLE   189,838 0 0
American Elec Pwr Co Inc Com 025537101 45,306 566,461 SH   OTR 1 0 566,461 0
American Elec Pwr Co Inc Com 025537101 9,305 116,340 SH   SOLE   116,340 0 0
American Wtr Wks Co Inc NEW Com 030420103 5,942 49,696 SH   OTR 1 0 49,696 0
American Wtr Wks Co Inc NEW Com 030420103 2,834 23,700 SH   SOLE   23,700 0 0
Atmos Energy Corp Com 049560105 25,944 261,450 SH   OTR 1 0 261,450 0
Atmos Energy Corp Com 049560105 3,164 31,885 SH   SOLE   31,885 0 0
BP Midstream Partners LP Unit Ltd Ptnr 0556EL109 21,461 2,305,203 SH   OTR 1 0 2,305,203 0
BP Midstream Partners LP Unit Ltd Ptnr 0556EL109 6,665 715,850 SH   SOLE   715,850 0 0
Cheniere Energy Partners LP Com Unit 16411Q101 8,414 311,512 SH   OTR 1 0 311,512 0
Cheniere Energy Partners LP Com Unit 16411Q101 330 12,215 SH   SOLE   12,215 0 0
Chesapeake Utils Corp Com 165303108 1,266 14,771 SH   OTR 1 0 14,771 0
CMS Energy Corp Com 125896100 41,537 707,007 SH   OTR 1 0 707,007 0
CMS Energy Corp Com 125896100 10,392 176,880 SH   SOLE   176,880 0 0
CorEnergy Infrastructure TR Com New 21870U502 4,257 231,627 SH   OTR 1 0 231,627 0
CorEnergy Infrastructure TR Com New 21870U502 479 26,087 SH   SOLE   26,087 0 0
Dominion Energy Inc Com 25746U109 18,734 259,503 SH   OTR 1 0 259,503 0
Dominion Energy Inc Com 25746U109 1,126 15,600 SH   SOLE   15,600 0 0
DTE Energy Co Com 233331107 12,967 136,540 SH   OTR 1 0 136,540 0
DTE Energy Co Com 233331107 3,312 34,874 SH   SOLE   34,874 0 0
Duke Energy Corp New Com New 26441C204 35,173 434,882 SH   OTR 1 0 434,882 0
Duke Energy Corp New Com New 26441C204 7,522 93,006 SH   SOLE   93,006 0 0
Enbridge Inc Com 29250N105 82,564 2,838,215 SH   OTR 1 0 2,838,215 0
Enbridge Inc Com 29250N105 20,825 715,883 SH   SOLE   715,883 0 0
Energy Transfer LP Com Ut Ltd Ptn 29273V100 54,144 11,770,387 SH   OTR 1 0 11,770,387 0
Energy Transfer LP Com Ut Ltd Ptn 29273V100 18,038 3,921,396 SH   SOLE   3,921,396 0 0
Enterprise Prods Partners L Com 293792107 260,685 18,229,688 SH   OTR 1 0 18,229,688 0
Enterprise Prods Partners L Com 293792107 108,104 7,559,704 SH   SOLE   7,559,704 0 0
Equitrans Midstream Corp Com 294600101 8,994 1,788,127 SH   OTR 1 0 1,788,127 0
Equitrans Midstream Corp Com 294600101 328 65,141 SH   SOLE   65,141 0 0
Eversource Energy Com 30040W108 40,649 519,739 SH   OTR 1 0 519,739 0
Eversource Energy Com 30040W108 8,570 109,574 SH   SOLE   109,574 0 0
Exelon Corp Com 30161N101 43,519 1,182,263 SH   OTR 1 0 1,182,263 0
Exelon Corp Com 30161N101 12,444 338,061 SH   SOLE   338,061 0 0
FirstEnergy Corp Com 337932107 15,117 377,264 SH   OTR 1 0 377,264 0
FirstEnergy Corp Com 337932107 6 145 SH   SOLE   145 0 0
Fortis Inc Com 349553107 2,217 76,210 SH   SOLE   76,210 0 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 65,289 4,653,557 SH   OTR 1 0 4,653,557 0
Holly Energy Partners L P Com Ut Ltd Ptn 435763107 22,979 1,637,826 SH   SOLE   1,637,826 0 0
Idacorp Inc Com 451107106 35,781 407,580 SH   OTR 1 0 407,580 0
Idacorp Inc Com 451107106 2,793 31,810 SH   SOLE   31,810 0 0
Kinder Morgan Inc Del Com 49456B101 172,135 12,366,032 SH   OTR 1 0 12,366,032 0
Kinder Morgan Inc Del Com 49456B101 26,092 1,874,433 SH   SOLE   1,874,433 0 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 167,896 4,601,159 SH   OTR 1 0 4,601,159 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106 61,889 1,696,042 SH   SOLE   1,696,042 0 0
MPLX LP Com Unit Rep Ltd 55336V100 10,603 912,467 SH   OTR 1 0 912,467 0
MPLX LP Com Unit Rep Ltd 55336V100 567 48,819 SH   SOLE   48,819 0 0
New Jersey Res Com 646025106 22,520 662,946 SH   OTR 1 0 662,946 0
New Jersey Res Com 646025106 9,768 287,544 SH   SOLE   287,544 0 0
NextEra Energy Inc Com 65339F101 91,149 378,808 SH   OTR 1 0 378,808 0
NextEra Energy Inc Com 65339F101 45,302 188,270 SH   SOLE   188,270 0 0
NextEra Energy Partners L P Com Unit Part In 65341B106 114,713 2,667,733 SH   OTR 1 0 2,667,733 0
NextEra Energy Partners L P Com Unit Part In 65341B106 54,620 1,270,238 SH   SOLE   1,270,238 0 0
Oneok Inc. New Com 682680103 69,106 3,168,547 SH   OTR 1 0 3,168,547 0
Oneok Inc. New Com 682680103 16,342 749,303 SH   SOLE   749,303 0 0
Phillips 66 Partners LP Com Unit Rep Int 718549207 77,465 2,126,406 SH   OTR 1 0 2,126,406 0
Phillips 66 Partners LP Com Unit Rep Int 718549207 38,128 1,046,606 SH   SOLE   1,046,606 0 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 24,926 4,720,744 SH   OTR 1 0 4,720,744 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105 12,254 2,320,862 SH   SOLE   2,320,862 0 0
Plains GP Hldgs LP Ltd Partnr Int A 72651A207 51,674 9,395,361 SH   OTR 1 0 9,395,361 0
Plains GP Hldgs LP Ltd Partnr Int A 72651A207 7,767 1,412,233 SH   SOLE   1,412,233 0 0
PPL Corp Com 69351T106 32,695 1,324,775 SH   OTR 1 0 1,324,775 0
PPL Corp Com 69351T106 17,199 696,881 SH   SOLE   696,881 0 0
Public SVC Enterprise Grp In Com 744573106 104,572 2,328,487 SH   OTR 1 0 2,328,487 0
Public SVC Enterprise Grp In Com 744573106 32,311 719,452 SH   SOLE   719,452 0 0
Quanta Svcs Inc Com 74762E102 6,835 215,410 SH   SOLE   215,410 0 0
Sempra Energy Com 816851109 46,992 415,897 SH   OTR 1 0 415,897 0
Sempra Energy Com 816851109 14,831 131,256 SH   SOLE   131,256 0 0
Shell Midstream Partners LP Unit Ltd Int 822634101 42,843 4,292,885 SH   OTR 1 0 4,292,885 0
Shell Midstream Partners LP Unit Ltd Int 822634101 34,794 3,486,350 SH   SOLE   3,486,350 0 0
Southern Co Com 842587107 18,163 335,474 SH   OTR 1 0 335,474 0
Southern Co Com 842587107 2,660 49,137 SH   SOLE   49,137 0 0
Suburban Propane Partners LP Unit Ltd Partn 864482104 4,362 308,500 SH   OTR 1 0 308,500 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 171,280 6,232,901 SH   OTR 1 0 6,232,901 0
TC Pipelines LP Ut Com Ltd Prt 87233Q108 65,602 2,387,278 SH   SOLE   2,387,278 0 0
TC Energy Corp Com 87807B107 271,702 6,133,227 SH   OTR 1 0 6,133,227 0
TC Energy Corp Com 87807B107 105,427 2,379,851 SH   SOLE   2,379,851 0 0
Westlake Chem Partners LP Com Unit RP LP 960417103 16,040 1,085,225 SH   OTR 1 0 1,085,225 0
Westlake Chem Partners LP Com Unit RP LP 960417103 20,556 1,390,765 SH   SOLE   1,390,765 0 0
Williams Cos Inc Com 969457100 96,265 6,803,196 SH   OTR 1 0 6,803,196 0
Williams Cos Inc Com 969457100 18,708 1,322,089 SH   SOLE   1,322,089 0 0
WEC Energy Group Inc Com 92939U106 16,774 190,338 SH   OTR 1 0 190,338 0
WEC Energy Group Inc Com 92939U106 3,313 37,587 SH   SOLE   37,587 0 0
Xcel Energy Inc Com 98389B100 34,937 579,393 SH   OTR 1 0 579,393 0
Xcel Energy Inc Com 98389B100 10,962 181,793 SH   SOLE   181,793 0 0