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 States Water Company COM 029899101 109 1,780 SH   SOLE   1,780 0 0
American Water Works Company COM 030420103 321 3,644 SH   SOLE   3,644 0 0
Andeavor Logistics LP COM UNIT LP INT 03350F106 749 15,425 SH   SOLE   15,425 0 0
Antero Midstream GP LP COM SHS REPSTG 03675Y103 240 14,164 SH   SOLE   14,164 0 0
Antero Midstream Partners LP UNT LTD PARTN 03673L103 436 15,230 SH   SOLE   15,230 0 0
Aqua America, Inc. COM 03836W103 170 4,601 SH   SOLE   4,601 0 0
Aquaventure Holdings Ltd SHS G0443N107 10 567 SH   SOLE   567 0 0
Archrock, Inc. COM 03957W106 883 72,362 SH   SOLE   72,362 0 0
Atmos Energy Corp COM 049560105 5,834 62,125 SH   SOLE   62,125 0 0
Badger Meter, Inc. COM 056525108 75 1,412 SH   SOLE   1,412 0 0
BP Midstream Partners, L.P. UNIT LTD PTNR 0556EL109 155 8,257 SH   SOLE   8,257 0 0
Buckeye Partners, L.P. UNIT LTD PARTN 118230101 909 25,456 SH   SOLE   25,456 0 0
California Water Service Group COM 130788102 100 2,334 SH   SOLE   2,334 0 0
Cheniere Energy Inc. COM 16411R208 8,585 123,548 SH   SOLE   123,548 0 0
Cheniere Energy Partners, L.P. COM UNIT 16411Q101 286 7,247 SH   SOLE   7,247 0 0
Chesapeake Utilities Corporation COM 165303108 765 9,115 SH   SOLE   9,115 0 0
Cia de Saneamento Basico do Es SPONSORED ADR 20441A102 98 16,596 SH   SOLE   16,596 0 0
CNX Midstream Partners, L.P. COM UNIT REPST 12654A101 89 4,626 SH   SOLE   4,626 0 0
Connecticut Water Service, Inc. COM 207797101 42 612 SH   SOLE   612 0 0
Crestwood Equity Partners, L.P. UNIT LTD PARTNER 226344208 308 8,389 SH   SOLE   8,389 0 0
CrossAmerica Partners, L.P. UT LTD PTN INT 22758A105 93 5,130 SH   SOLE   5,130 0 0
DCP Midstream, L.P. COM UT LTD PTN 23311P100 619 15,641 SH   SOLE   15,641 0 0
Delek Logistics Partners, L.P. COM UNT RP INT 24664T103 50 1,456 SH   SOLE   1,456 0 0
Dominion Energy Midstream Partners COM UT REP LTD 257454108 153 8,554 SH   SOLE   8,554 0 0
Enable Midstream Partners, L.P. COM UNIT RP IN 292480100 126 7,503 SH   SOLE   7,503 0 0
Enbridge Energy Management, L.L.C. SHS UNITS LLI 29250X103 162 14,801 SH   SOLE   14,801 0 0
Enbridge Energy Partners, L.P. COM 29250R106 398 36,202 SH   SOLE   36,202 0 0
Enbridge, Inc. COM 29250N105 11,891 368,261 SH   SOLE   368,261 0 0
Energy Transfer, L.P. COM UT LTD PTN 29273V100 2,658 152,494 SH   SOLE   152,494 0 0
Energy Transfer Partners, L.P. UNIT LTD PRT INT 29278N103 4,498 202,071 SH   SOLE   202,071 0 0
Enlink Midstream Partners, L.P. COM UNIT REP LTD 29336U107 1,131 60,694 SH   SOLE   60,694 0 0
Enlink Midstream, L.L.C. COM UNIT REP LTD 29336T100 581 35,340 SH   SOLE   35,340 0 0
Enterprise Products COM 293792107 7,365 256,338 SH   SOLE   256,338 0 0
EQGP Holdings, L.P. COM UNIT REP 26885J103 96 4,601 SH   SOLE   4,601 0 0
EQM Midstream Partners, L.P. UNIT LTD PARTN 26885B100 548 10,377 SH   SOLE   10,377 0 0
Evoqua Water Technologies Corp COM 30057T105 49 2,761 SH   SOLE   2,761 0 0
Franklin Electric Co, Inc. COM 353514102 88 1,871 SH   SOLE   1,871 0 0
Genesis Energy, L.P. UNIT LTD PARTN 371927104 444 18,681 SH   SOLE   18,681 0 0
Global Partners, L.P. COM UNITS 37946R109 85 4,643 SH   SOLE   4,643 0 0
Hess Midstream Partners, L.P. UNIT LTD PR INT 428104103 58 2,532 SH   SOLE   2,532 0 0
Holly Energy Partners, L.P. COM UT LTD PTN 435763107 247 7,853 SH   SOLE   7,853 0 0
Kinder Morgan, Inc. COM 49456B101 12,279 692,569 SH   SOLE   692,569 0 0
Magellan Midstream Partners, L.P. COM UNIT RP LP 559080106 2,677 39,533 SH   SOLE   39,533 0 0
Middlesex Water Co COM 596680108 39 810 SH   SOLE   810 0 0
MPLX, L.P. COM UNIT REP LTD 55336V100 1,717 49,517 SH   SOLE   49,517 0 0
Mueller Water Products, Inc. COM SER A 624758108 88 7,675 SH   SOLE   7,675 0 0
National Fuel Gas Co COM 636180101 2,689 47,961 SH   SOLE   47,961 0 0
New Jersey Resources Corporation COM 646025106 2,276 49,363 SH   SOLE   49,363 0 0
Nisource, Inc. COM 65473P105 5,060 203,062 SH   SOLE   203,062 0 0
Noble Midstream Partners, L.P. COM UNIT REPST 65506L105 133 3,746 SH   SOLE   3,746 0 0
NuStar Energy L.P. UNIT COM 67058H102 433 15,577 SH   SOLE   15,577 0 0
Oasis Midstream Partners, L.P. COM UNITS REPS 67420T206 29 1,295 SH   SOLE   1,295 0 0
ONE Gas, Inc. COM 68235P108 2,412 29,309 SH   SOLE   29,309 0 0
ONEOK, Inc. COM 682680103 13,100 193,246 SH   SOLE   193,246 0 0
PBF Logistics, L.P. UNIT LTD PTNR 69318Q104 84 3,917 SH   SOLE   3,917 0 0
Pembina Pipeline Corp COM 706327103 9,611 282,857 SH   SOLE   282,857 0 0
Pentair plc SHS G7S00T104 204 4,700 SH   SOLE   4,700 0 0
Phillips 66 Partners, L.P. COM UNIT REP INT 718549207 468 9,156 SH   SOLE   9,156 0 0
Plains All American Pipeline, L.P. UNIT LTD PARTN 726503105 1,886 75,421 SH   SOLE   75,421 0 0
Plains GP Holdings, L.P. LTD PARTNR INT A 72651A207 2,167 88,349 SH   SOLE   88,349 0 0
Rexnord Corp COM 76169B102 156 5,049 SH   SOLE   5,049 0 0
Semgroup Corp CL A 81663A105 807 36,602 SH   SOLE   36,602 0 0
Shell Midstream Partners LP UNIT LTD INT 822634101 456 21,326 SH   SOLE   21,326 0 0
Sjw Corp COM 784305104 48 790 SH   SOLE   790 0 0
South Jersey Industries, Inc. COM 838518108 1,687 47,821 SH   SOLE   47,821 0 0
Southwest Gas Holdings Inc COM 844895102 2,161 27,346 SH   SOLE   27,346 0 0
Spectra Energy Partners, LP COM 84756N109 570 15,960 SH   SOLE   15,960 0 0
Spire Inc COM 84857L101 2,084 28,328 SH   SOLE   28,328 0 0
Sprague Resources, LP COM UNIT REP LTD 849343108 46 1,706 SH   SOLE   1,706 0 0
Summit Midstream Partners LP COM UNIT LTD 866142102 102 7,117 SH   SOLE   7,117 0 0
Sunoco LP COM U REP LP 86765K109 287 9,717 SH   SOLE   9,717 0 0
Tallgrass Energy LP CLASS A SHS 874696107 1,878 79,654 SH   SOLE   79,654 0 0
Targa Resources Corp. COM 87612G101 7,099 126,073 SH   SOLE   126,073 0 0
TC PipeLines, LP UT COM LTD PRT 87233Q108 277 9,142 SH   SOLE   9,142 0 0
The York Water Co COM 987184108 19 638 SH   SOLE   638 0 0
Tortoise North American Pipeli TORTOISE NRAM PI 56167N720 95 4,100 SH   SOLE   4,100 0 0
Transcanada Corp COM 89353D107 12,051 297,862 SH   SOLE   297,862 0 0
Transmontaigne Partners, L.P. COM UNIT L P 89376V100 85 2,197 SH   SOLE   2,197 0 0
USA Compression Partners, L.P. COM UNIT LTD PAR 90290N109 95 5,726 SH   SOLE   5,726 0 0
USD Partners, L.P. COM UT REP LTD 903318103 21 2,211 SH   SOLE   2,211 0 0
Valero Energy Partners, L.P. COM UNT REP LP 91914J102 145 3,839 SH   SOLE   3,839 0 0
Watts Water Technologies, Inc. CL A 942749102 112 1,348 SH   SOLE   1,348 0 0
Western Gas Equity Partners, L.P. COMUNT LTD PT 95825R103 250 8,344 SH   SOLE   8,344 0 0
Western Gas Partners, L.P. COM UNIT LP IN 958254104 762 17,448 SH   SOLE   17,448 0 0
Williams Companies, Inc. COM 969457100 12,049 443,147 SH   SOLE   443,147 0 0
Xylem, Inc. COM 98419M100 322 4,027 SH   SOLE   4,027 0 0