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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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
Aegion Corp COM 00770F104 40 1,571 SH   SOLE   1,571 0 0
American Midstream Partners LP COM UNITS 02752P100 62 6,046 SH   SOLE   6,046 0 0
American States Water Company COM 029899101 102 1,780 SH   SOLE   1,780 0 0
American Water Works Company, COM 030420103 346 4,054 SH   SOLE   4,054 0 0
Andeavor Logistics LP COM UNIT LP INT 03350F106 573 13,477 SH   SOLE   13,477 0 0
Antero Midstream GP LP COM SHS REPSTG 03675Y103 109 5,782 SH   SOLE   5,782 0 0
Antero Midstream Partners LP UNT LTD PARTN 03673L103 392 13,282 SH   SOLE   13,282 0 0
Aqua America, Inc. COM 03836W103 179 5,101 SH   SOLE   5,101 0 0
Aquaventure Holdings Ltd SHS G0443N107 9 567 SH   SOLE   567 0 0
Archrock, Inc. COM 03957W106 821 68,390 SH   SOLE   68,390 0 0
Atmos Energy Corp COM 049560105 5,245 58,186 SH   SOLE   58,186 0 0
Badger Meter, Inc. COM 056525108 63 1,412 SH   SOLE   1,412 0 0
BP Midstream Partners LP UNIT LTD PTNR 0556EL109 72 3,453 SH   SOLE   3,453 0 0
Buckeye Partners, L.P. UNIT LTD PARTN 118230101 781 22,214 SH   SOLE   22,214 0 0
California Water Service Group COM 130788102 91 2,334 SH   SOLE   2,334 0 0
Cheniere Energy Inc. COM 16411R208 7,077 108,563 SH   SOLE   108,563 0 0
Cheniere Energy Partners LP COM 16411Q101 227 6,301 SH   SOLE   6,301 0 0
Cheniere Energy Partners LP Ho COM REP LLC IN 16411W108 650 20,655 SH   SOLE   20,655 0 0
Chesapeake Utilities Corporati COM 165303108 685 8,564 SH   SOLE   8,564 0 0
Cia de Saneamento Basico do Es SPONSORED ADR 20441A102 100 16,596 SH   SOLE   16,596 0 0
CNX Midstream Partners LP COM UNIT REPST 12654A101 58 2,988 SH   SOLE   2,988 0 0
Connecticut Water Service, Inc COM 207797101 40 612 SH   SOLE   612 0 0
Crestwood Equity Partners LP UNIT LTD PARTNER 226344208 228 7,195 SH   SOLE   7,195 0 0
CrossAmerica Partners LP UT LTD PTN INT 22758A105 46 2,727 SH   SOLE   2,727 0 0
DCP Midstream LP COM UT LTD PTN 23311P100 541 13,675 SH   SOLE   13,675 0 0
Delek Logistics Partners LP COM UNT RP INT 24664T103 37 1,325 SH   SOLE   1,325 0 0
Dominion Energy Midstream Part COM UT REP LTD 257454108 91 6,680 SH   SOLE   6,680 0 0
Enable Midstream Partners LP COM UNIT RP IN 292480100 212 12,380 SH   SOLE   12,380 0 0
Enbridge Energy Management, LL SHS UNITS LLI 29250X103 134 13,039 SH   SOLE   13,039 0 0
Enbridge Energy Partners, L.P. COM 29250R106 443 40,568 SH   SOLE   40,568 0 0
Enbridge Inc COM 29250N105 12,563 352,012 SH   SOLE   352,012 0 0
Energy Transfer Equity, L.P. COM UT LTD PTN 29273V100 2,244 130,111 SH   SOLE   130,111 0 0
Energy Transfer Partners, L.P. UNIT LTD PRT INT 29278N103 3,072 161,320 SH   SOLE   161,320 0 0
Enlink Midstream Partners, LP COM UNIT REP LTD 29336U107 387 24,916 SH   SOLE   24,916 0 0
Enlink Midstream, LLC COM UNIT REP LTD 29336T100 547 33,249 SH   SOLE   33,249 0 0
Enterprise Products Partners L COM 293792107 6,137 221,792 SH   SOLE   221,792 0 0
EQT GP Holdings LP COM UNIT REP 26885J103 97 4,145 SH   SOLE   4,145 0 0
EQT Midstream Partners, LP UNIT LTD PARTN 26885B100 460 8,908 SH   SOLE   8,908 0 0
Evoqua Water Technologies Corp COM 30057T105 57 2,761 SH   SOLE   2,761 0 0
Franklin Electric Co Inc COM 353514102 84 1,871 SH   SOLE   1,871 0 0
Genesis Energy L.P. UNIT LTD PARTN 371927104 350 15,972 SH   SOLE   15,972 0 0
Global Partners LP COM UNITS 37946R109 72 4,213 SH   SOLE   4,213 0 0
Hess Midstream Partners LP UNIT LTD PR INT 428104103 45 2,297 SH   SOLE   2,297 0 0
Holly Energy Partners, L.P. COM UT LTD PTN 435763107 184 6,517 SH   SOLE   6,517 0 0
Kinder Morgan Inc COM 49456B101 11,523 652,136 SH   SOLE   652,136 0 0
Magellan Midstream Partners, L COM UNIT RP LP 559080106 2,374 34,373 SH   SOLE   34,373 0 0
Middlesex Water Co COM 596680108 34 810 SH   SOLE   810 0 0
MPLX LP COM UNIT REP LTD 55336V100 1,470 43,055 SH   SOLE   43,055 0 0
Mueller Water Products, Inc. COM SER A 624758108 90 7,675 SH   SOLE   7,675 0 0
National Fuel Gas Co COM 636180101 2,388 45,088 SH   SOLE   45,088 0 0
New Jersey Resources Corporati COM 646025106 2,057 45,969 SH   SOLE   45,969 0 0
Nisource Inc COM 65473P105 4,654 177,077 SH   SOLE   177,077 0 0
Noble Midstream Partners LP COM UNIT REPST 65506L105 122 2,385 SH   SOLE   2,385 0 0
Northwest Natural Gas Co COM 667655104 956 14,987 SH   SOLE   14,987 0 0
NuStar Energy L.P. UNIT COM 67058H102 270 11,931 SH   SOLE   11,931 0 0
NuStar GP Holdings LLC UNIT RESTG LLC 67059l102 65 5,279 SH   SOLE   5,279 0 0
Oasis Midstream Partners LP COM UNITS REPS 67420T206 22 1,191 SH   SOLE   1,191 0 0
ONE Gas, Inc. COM 68235P108 2,052 27,456 SH   SOLE   27,456 0 0
ONEOK, Inc COM 682680103 11,248 161,082 SH   SOLE   161,082 0 0
PBF Logistics LP UNIT LTD PTNR 69318Q104 75 3,578 SH   SOLE   3,578 0 0
Pembina Pipeline Corp COM 706327103 9,151 264,233 SH   SOLE   264,233 0 0
Pentair plc SHS G7S00T104 198 4,700 SH   SOLE   4,700 0 0
Phillips 66 Partners LP COM UNIT REP INT 718549207 385 7,539 SH   SOLE   7,539 0 0
Plains All American Pipeline, UNIT LTD PARTN 726503105 1,524 64,483 SH   SOLE   64,483 0 0
Plains GP Holdings, L.P. LTD PARTNR INT A 72651A207 1,969 82,367 SH   SOLE   82,367 0 0
Rexnord Corp COM 76169B102 147 5,049 SH   SOLE   5,049 0 0
Rice Midstream Partners LP UNIT LTD PARTN 762819100 188 11,074 SH   SOLE   11,074 0 0
Semgroup Corp CL A 81663A105 883 34,760 SH   SOLE   34,760 0 0
Shell Midstream Partners LP UNIT LTD INT 822634101 451 20,346 SH   SOLE   20,346 0 0
Sjw Corp COM 784305104 52 790 SH   SOLE   790 0 0
South Jersey Industries, Inc. COM 838518108 1,445 43,164 SH   SOLE   43,164 0 0
Southwest Gas Corporation COM 844895102 1,931 25,315 SH   SOLE   25,315 0 0
Spectra Energy Partners, LP COM 84756N109 468 13,212 SH   SOLE   13,212 0 0
Spire Inc COM 84857L101 1,865 26,399 SH   SOLE   26,399 0 0
Sprague Resources, LP COM UNIT REP LTD 849343108 39 1,549 SH   SOLE   1,549 0 0
Summit Midstream Partners LP COM UNIT LTD 866142102 113 7,320 SH   SOLE   7,320 0 0
Sunoco LP COM U REP LP 86765K109 174 6,958 SH   SOLE   6,958 0 0
Tallgrass Energy LP SHS CL A 874696107 675 30,478 SH   SOLE   30,478 0 0
Tallgrass Energy Partners, LP COM UNIT 874697105 305 7,053 SH   SOLE   7,053 0 0
Targa Resources Corp. COM 87612G101 5,697 115,112 SH   SOLE   115,112 0 0
TC PipeLines, LP UT COM LTD PRT 87233Q108 217 8,380 SH   SOLE   8,380 0 0
The York Water Co COM 987184108 20 638 SH   SOLE   638 0 0
Tortoise North American Pipeli TORTOISE NRAM PI 56167N720 96 4,100 SH   SOLE   4,100 0 0
Transcanada Corp COM 89353D107 11,398 263,852 SH   SOLE   263,852 0 0
Transmontaigne Partners, L.P. COM UNIT L P 89376V100 74 2,001 SH   SOLE   2,001 0 0
USA Compression Partners LP COMUNIT LTDPAR 90290N109 41 2,438 SH   SOLE   2,438 0 0
USD Partners LP COM UT REP LTD 903318103 22 2,055 SH   SOLE   2,055 0 0
Valero Energy Partners LP COM UNT REP LP 91914J102 133 3,501 SH   SOLE   3,501 0 0
Watts Water Technologies, Inc. CL A 942749102 106 1,348 SH   SOLE   1,348 0 0
Western Gas Equity Partners, L COMUNT LTD PT 95825R103 212 5,936 SH   SOLE   5,936 0 0
Western Gas Partners LP COM UNIT LP IN 958254104 705 14,564 SH   SOLE   14,564 0 0
WGL Holdings, Inc. COM 92924F106 2,392 26,952 SH   SOLE   26,952 0 0
Williams Companies, Inc COM 969457100 9,697 357,680 SH   SOLE   357,680 0 0
Williams Partners L.P. COM UNIT LTD PAR 96949L105 1,593 39,243 SH   SOLE   39,243 0 0
Xylem Inc. COM 98419M100 288 4,269 SH   SOLE   4,269 0 0