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
Advanced Drainage Systems Inc COM 00790R104 43 1,783 SH   DFND N/A 1,783 0 0
Aegion Corp COM 00770F104 102 4,029 SH   DFND N/A 4,029 0 0
American Midstream Partners LP COM UNITS 02752P100 65 4,879 SH   DFND N/A 4,879 0 0
American States Water Company COM 029899101 68 1,169 SH   DFND N/A 1,169 0 0
American Water Works Company, Inc. COM 030420103 221 2,418 SH   DFND N/A 2,418 0 0
Andeavor Logistics LP COM UNIT LP INT 03350F106 527 11,418 SH   DFND N/A 11,418 0 0
Antero Midstream GP LP COM SHS REPSTG 03675Y103 91 4,638 SH   DFND N/A 4,638 0 0
Antero Midstream Partners LP UNT LTD PARTN 03673L103 328 11,307 SH   DFND N/A 11,307 0 0
Smith A O COM 831865209 220 3,583 SH   DFND N/A 3,583 0 0
Aqua America, Inc. COM 03836W103 222 5,661 SH   DFND N/A 5,661 0 0
Aquaventure Holdings Ltd SHS G0443N107 13 847 SH   DFND N/A 847 0 0
Archrock, Inc. COM 03957W106 320 30,443 SH   DFND N/A 30,443 0 0
Artesian Resources Corp CL A 043113208 10 266 SH   DFND N/A 266 0 0
Atmos Energy Corp COM 049560105 4,082 47,521 SH   DFND N/A 47,521 0 0
Badger Meter, Inc. COM 056525108 44 927 SH   DFND N/A 927 0 0
Blueknight Energy Partners, L.P. COM UNIT 09625U109 23 4,475 SH   DFND N/A 4,475 0 0
BP Midstream Partners LP UNIT LTD PTNR 0556EL109 57 2,792 SH   DFND N/A 2,792 0 0
Buckeye Partners, L.P. UNIT LTD PARTN 118230101 937 18,919 SH   DFND N/A 18,919 0 0
Cadiz Inc. COM NEW 127537207 10 731 SH   DFND N/A 731 0 0
Calgon Carbon Corp COM 129603106 109 5,130 SH   DFND N/A 5,130 0 0
California Water Service Group COM 130788102 69 1,529 SH   DFND N/A 1,529 0 0
Cantel Medical Corp COM 138098108 113 1,096 SH   DFND N/A 1,096 0 0
Cheniere Energy Inc. COM NEW 16411R208 4,670 86,733 SH   DFND N/A 86,733 0 0
Cheniere Energy Partners LP COM UNIT 16411Q101 155 5,234 SH   DFND N/A 5,234 0 0
Cheniere Energy Partners LP Holding COM NEW 16411W108 472 17,055 SH   DFND N/A 17,055 0 0
Chesapeake Utilities Corporation COM 165303108 546 6,947 SH   DFND N/A 6,947 0 0
Companhia De Saneamento Basi SPONSORED ADR 20441A102 225 21,493 SH   DFND N/A 21,493 0 0
Connecticut Water Service, Inc. COM 207797101 22 385 SH   DFND N/A 385 0 0
Crestwood Equity Partners LP UNIT LTD PARTNER 226344208 157 6,069 SH   DFND N/A 6,069 0 0
CrossAmerica Partners LP UT LTD PTN INT 22758A105 52 2,170 SH   DFND N/A 2,170 0 0
DCP Midstream LP COM UT LTD PTN 23311P100 423 11,649 SH   DFND N/A 11,649 0 0
Delek Logistics Partners LP COM UNT RP INT 24664T103 34 1,065 SH   DFND N/A 1,065 0 0
Dominion Energy Midstream Partners COM UT REP LTD 257454108 164 5,385 SH   DFND N/A 5,385 0 0
Ecolab Inc. COM 278865100 108 802 SH   DFND N/A 802 0 0
Enable Midstream Partners LP COM UNIT RP IN 292480100 151 10,591 SH   DFND N/A 10,591 0 0
Enbridge Energy Management, LLC SHS UNITS LLI 29250X103 132 9,851 SH   DFND N/A 9,851 0 0
Enbridge Energy Partners, L.P. COM 29250R106 477 34,546 SH   DFND N/A 34,546 0 0
Enbridge Inc COM 29250N105 8,922 228,138 SH   DFND N/A 228,138 0 0
Energy Recovery Inc COM 29270J100 15 1,717 SH   DFND N/A 1,717 0 0
Energy Transfer Equity, L.P. COM UT LTD PTN 29273V100 1,923 111,387 SH   DFND N/A 111,387 0 0
Energy Transfer Partners, L.P. UNIT LTD PARTN 29278N103 2,458 137,154 SH   DFND N/A 137,154 0 0
Enlink Midstream Partners, LP COM UNIT REP LTD 29336U107 325 21,163 SH   DFND N/A 21,163 0 0
Enlink Midstream, LLC COM UNIT REP LTD 29336T100 488 27,704 SH   DFND N/A 27,704 0 0
Enterprise Products Partners L.P. COM 293792107 5,007 188,889 SH   DFND N/A 188,889 0 0
EQT GP Holdings LP COM UNIT REP 26885J103 89 3,325 SH   DFND N/A 3,325 0 0
EQT Midstream Partners, LP UNIT LTD PARTN 26885B100 554 7,585 SH   DFND N/A 7,585 0 0
Evoqua Water Technologies Corp COM 30057T105 86 3,611 SH   DFND N/A 3,611 0 0
Franklin Electric Co Inc COM 353514102 68 1,485 SH   DFND N/A 1,485 0 0
Genesis Energy L.P. UNIT LTD PARTN 371927104 304 13,597 SH   DFND N/A 13,597 0 0
Global Partners LP COM UNITS 37946R109 56 3,341 SH   DFND N/A 3,341 0 0
Gorman-Rupp Co/The COM 383082104 26 831 SH   DFND N/A 831 0 0
Hess Midstream Partners LP UNIT LTD PR INT 428104103 36 1,822 SH   DFND N/A 1,822 0 0
Holly Energy Partners, L.P. COM UT LTD PTN 435763107 167 5,153 SH   DFND N/A 5,153 0 0
Itron, Inc. COM 465741106 111 1,633 SH   DFND N/A 1,633 0 0
Kinder Morgan Inc COM 49456B101 9,191 508,650 SH   DFND N/A 508,650 0 0
Lindsay Corporation COM 535555106 30 339 SH   DFND N/A 339 0 0
Magellan Midstream Partners, L.P. COM UNIT RP LP 559080106 2,087 29,423 SH   DFND N/A 29,423 0 0
Middlesex Water Co COM 596680108 21 520 SH   DFND N/A 520 0 0
MPLX LP COM UNIT REP LTD 55336V100 1,360 38,339 SH   DFND N/A 38,339 0 0
Mueller Water Products, Inc. COM SER A 624758108 63 5,038 SH   DFND N/A 5,038 0 0
National Fuel CO N J COM 636180101 2,014 36,675 SH   DFND N/A 36,675 0 0
New Jersey Resources Corporation COM 646025106 1,499 37,288 SH   DFND N/A 37,288 0 0
Nisource Inc COM 65473P105 3,713 144,657 SH   DFND N/A 144,657 0 0
Noble Midstream Partners LP COM UNIT REPST 65506L105 93 1,865 SH   DFND N/A 1,865 0 0
Northwest Natural Gas Co COM 667655104 731 12,259 SH   DFND N/A 12,259 0 0
NuStar Energy L.P. UNIT COM 67058H102 305 10,189 SH   DFND N/A 10,189 0 0
NuStar GP Holdings LLC UNIT RESTG LLC 67059L102 67 4,242 SH   DFND N/A 4,242 0 0
Oasis Midstream Partners LP COM UNITS REPS 67420T206 17 976 SH   DFND N/A 976 0 0
ONE Gas, Inc. COM 68235P108 1,639 22,373 SH   DFND N/A 22,373 0 0
ONEOK, Inc COM 682680103 8,802 164,680 SH   DFND N/A 164,680 0 0
PBF Logistics LP UNIT LTD PTNR 69318Q104 61 2,888 SH   DFND N/A 2,888 0 0
Pembina Pipeline Corp COM 706327103 7,816 215,884 SH   DFND N/A 215,884 0 0
Phillips 66 Partners LP COM UNIT REP INT 718549207 336 6,413 SH   DFND N/A 6,413 0 0
Plains All American Pipeline, L.P. UNIT LTD PARTN 726503105 1,139 55,202 SH   DFND N/A 55,202 0 0
Plains GP Holdings, L.P. LTD PARTNR INT A 72651A207 1,460 66,505 SH   DFND N/A 66,505 0 0
Rexnord Corp COM 76169B102 117 4,481 SH   DFND N/A 4,481 0 0
Rice Midstream Partners LP UNIT LTD PARTN 762819100 203 9,472 SH   DFND N/A 9,472 0 0
Select Energy Services Inc. CL A COM 81617J301 34 1,886 SH   DFND N/A 1,886 0 0
Semgroup Corp CL A 81663A105 855 28,298 SH   DFND N/A 28,298 0 0
Shell Midstream Partners LP UNIT LTD INT 822634101 361 12,105 SH   DFND N/A 12,105 0 0
SJW Group COM 784305104 42 653 SH   DFND N/A 653 0 0
South Jersey Industries, Inc. COM 838518108 1,066 34,121 SH   DFND N/A 34,121 0 0
Southwest Gas Holdings Inc. COM 844895102 1,644 20,432 SH   DFND N/A 20,432 0 0
Spectra Energy Partners, LP COM 84756N109 365 9,223 SH   DFND N/A 9,223 0 0
Spire Inc COM 84857L101 1,551 20,636 SH   DFND N/A 20,636 0 0
Sprague Resources, LP COM UNIT REP LTD 849343108 30 1,254 SH   DFND N/A 1,254 0 0
Summit Midstream Partners LP COM UNIT LTD 866142102 120 5,866 SH   DFND N/A 5,866 0 0
Sunoco LP COM U REP LP 86765K109 204 7,182 SH   DFND N/A 7,182 0 0
Tallgrass Energy GP, LP SHS CL A 874696107 642 24,927 SH   DFND N/A 24,927 0 0
Tallgrass Energy Partners, LP COM UNIT 874697105 277 6,039 SH   DFND N/A 6,039 0 0
Targa Resources Corp. COM 87612G101 4,482 92,556 SH   DFND N/A 92,556 0 0
TC Pipeline, L.P. UT COM LTD PRT 87233Q108 359 6,760 SH   DFND N/A 6,760 0 0
Tetra Tech, Inc. COM 88162G103 109 2,264 SH   DFND N/A 2,264 0 0
The York Water Co COM 987184108 14 411 SH   DFND N/A 411 0 0
Transcanada Corp COM 89353D107 8,678 178,407 SH   DFND N/A 178,407 0 0
Transmontaigne Partners, L.P. COM UNIT L P 89376V100 63 1,604 SH   DFND N/A 1,604 0 0
USA Compression Partners LP COMUNIT LTDPAR 90290N109 60 3,621 SH   DFND N/A 3,621 0 0
USD Partners LP COM UT REP LTD 903318103 19 1,700 SH   DFND N/A 1,700 0 0
Valero Energy Partners LP COM UNT REP LP 91914J102 125 2,811 SH   DFND N/A 2,811 0 0
Valmont Industries Inc COM 920253101 108 651 SH   DFND N/A 651 0 0
Watts Water Technologies, Inc. CL A 942749102 67 883 SH   DFND N/A 883 0 0
Western Gas Equity Partners, LP COMUNT LTD PT 95825R103 188 5,071 SH   DFND N/A 5,071 0 0
Western Gas Partners LP COM UNIT LP IN 958254104 596 12,398 SH   DFND N/A 12,398 0 0
WGL Holdings, Inc. COM 92924F106 1,885 21,964 SH   DFND N/A 21,964 0 0
Williams Companies, Inc COM 969457100 8,027 263,264 SH   DFND N/A 263,264 0 0
Williams Partners L.P. COM UNIT LTD PAR 96949L105 1,238 31,921 SH   DFND N/A 31,921 0 0
Xylem Inc. COM 98419M100 221 3,235 SH   DFND N/A 3,235 0 0