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
Aci Worldwide Inc cs 004498101 75 2,876 SH   SOLE   2,876 0 0
Aegion Corp cs 00770F104 46 3,254 SH   SOLE   3,254 0 0
American Express Co cs 025816109 313 3,122 SH   SOLE   3,122 0 0
American States Water Company cs 029899101 293 3,912 SH   SOLE   3,912 0 0
American Water Works Company cs 030420103 1,300 8,976 SH   SOLE   8,976 0 0
Antero Midstream Corporation cs 03676B102 2,778 517,282 SH   SOLE   517,282 0 0
Ao Smith Corp cs 831865209 748 14,171 SH   SOLE   14,171 0 0
Archrock, Inc. cs 03957W106 1,236 229,803 SH   SOLE   229,803 0 0
Atmos Energy Corp cs 049560105 11,551 120,841 SH   SOLE   120,841 0 0
Badger Meter, Inc. cs 056525108 202 3,088 SH   SOLE   3,088 0 0
Bottomline Technologies De Inc cs 101388106 47 1,105 SH   SOLE   1,105 0 0
BP Midstream Partners LP lp 0556EL109 321 32,353 SH   SOLE   32,353 0 0
California Water Service Group cs 130788102 224 5,166 SH   SOLE   5,166 0 0
Cass Information Systems Inc cs 14808P109 13 332 SH   SOLE   332 0 0
Cheniere Energy Inc. cs 16411R208 10,956 236,781 SH   SOLE   236,781 0 0
Cheniere Energy Partners LP lp 16411Q101 1,048 31,499 SH   SOLE   31,499 0 0
Chesapeake Utilities Corporation cs 165303108 2,510 29,780 SH   SOLE   29,780 0 0
Cia de Saneamento Basico do Es ad 20441A102 301 36,259 SH   SOLE   36,259 0 0
Crestwood Equity Partners LP lp 226344208 474 38,009 SH   SOLE   38,009 0 0
CrossAmerica Partners LP lp 22758A105 204 13,686 SH   SOLE   13,686 0 0
Csg Systems International Inc cs 126349109 34 819 SH   SOLE   819 0 0
DCP Midstream LP lp 23311P100 771 69,017 SH   SOLE   69,017 0 0
Delek Logistics Partners LP lp 24664T103 176 6,213 SH   SOLE   6,213 0 0
Discover Financial Services cs 254709108 340 5,886 SH   SOLE   5,886 0 0
Docusign Inc cs 256163106 326 1,516 SH   SOLE   1,516 0 0
Enable Midstream Partners LP lp 292480100 271 65,575 SH   SOLE   65,575 0 0
Enbridge Inc cs 29250N105 20,231 692,834 SH   SOLE   692,834 0 0
Energy Transfer LP lp 29273V100 10,446 1,927,217 SH   SOLE   1,927,217 0 0
Enlink Midstream, LLC cs 29336T100 1,114 474,216 SH   SOLE   474,216 0 0
Enterprise Products Partners LP lp 293792107 18,220 1,153,878 SH   SOLE   1,153,878 0 0
Equitrans Midstream Corporation cs 294600101 6,262 740,201 SH   SOLE   740,201 0 0
Essential Utilities Inc cs 29670G102 741 18,410 SH   SOLE   18,410 0 0
Euronet Worldwide Inc cs 298736109 116 1,272 SH   SOLE   1,272 0 0
Evertec Inc cs 30040P103 62 1,779 SH   SOLE   1,779 0 0
Evo Payments Inc cs 26927E104 25 1,026 SH   SOLE   1,026 0 0
Evoqua Water Technologies Corp cs 30057T105 184 8,682 SH   SOLE   8,682 0 0
Fidelity National Information cs 31620M106 318 2,161 SH   SOLE   2,161 0 0
Fiserv Inc cs 337738108 346 3,360 SH   SOLE   3,360 0 0
Fleetcor Technologies Inc cs 339041105 328 1,379 SH   SOLE   1,379 0 0
Franklin Electric Co Inc cs 353514102 239 4,063 SH   SOLE   4,063 0 0
Genesis Energy L.P. lp 371927104 382 84,882 SH   SOLE   84,882 0 0
Global Partners LP lp 37946R109 268 20,476 SH   SOLE   20,476 0 0
Global Payments Inc cs 37940X102 338 1,903 SH   SOLE   1,903 0 0
Green Dot Corp cs 39304D102 59 1,170 SH   SOLE   1,170 0 0
Greensky Inc cs 39572G100 8 1,735 SH   SOLE   1,735 0 0
Hess Midstream LP cs 428103105 189 12,487 SH   SOLE   12,487 0 0
Holly Energy Partners, L.P. lp 435763107 414 34,137 SH   SOLE   34,137 0 0
Jack Henry & Associates Inc cs 426281101 311 1,913 SH   SOLE   1,913 0 0
Kinder Morgan Inc cs 49456B101 20,504 1,662,918 SH   SOLE   1,662,918 0 0
Lendingclub Corp cs 52603A208 9 1,820 SH   SOLE   1,820 0 0
Lindsay Corporation cs 535555106 111 1,148 SH   SOLE   1,148 0 0
Magellan Midstream Partners, LP lp 559080106 5,697 166,570 SH   SOLE   166,570 0 0
MasterCard Incorporated cs 57636Q104 321 948 SH   SOLE   948 0 0
Middlesex Water Co cs 596680108 115 1,850 SH   SOLE   1,850 0 0
MPLX LP lp 55336V100 4,187 266,016 SH   SOLE   266,016 0 0
Mueller Water Products, Inc. cs 624758108 174 16,729 SH   SOLE   16,729 0 0
National Fuel Gas Co cs 636180101 6,719 165,539 SH   SOLE   165,539 0 0
Ncr Corp cs 62886E108 71 3,206 SH   SOLE   3,206 0 0
New Fortress Energy Inc. cs 644393100 1,357 30,832 SH   SOLE   30,832 0 0
New Jersey Resources Corporation cs 646025106 4,709 174,281 SH   SOLE   174,281 0 0
Nisource Inc cs 65473P105 11,622 528,275 SH   SOLE   528,275 0 0
Noble Midstream Partners LP lp 65506L105 184 25,175 SH   SOLE   25,175 0 0
Northwest Natural Holding Co. cs 66765N105 2,506 55,207 SH   SOLE   55,207 0 0
NuStar Energy L.P. lp 67058H102 786 73,995 SH   SOLE   73,995 0 0
Oasis Midstream Partners LP lp 67420T206 51 8,156 SH   SOLE   8,156 0 0
ONE Gas, Inc. cs 68235P108 6,646 96,304 SH   SOLE   96,304 0 0
ONEOK, Inc cs 682680103 11,459 441,060 SH   SOLE   441,060 0 0
Onespan Inc cs 68287N100 18 860 SH   SOLE   860 0 0
Pagseguro Digital Ltd cs G68707101 171 4,546 SH   SOLE   4,546 0 0
Paypal Holdings Inc cs 70450Y103 326 1,653 SH   SOLE   1,653 0 0
PBF Logistics LP lp 69318Q104 153 18,778 SH   SOLE   18,778 0 0
Pembina Pipeline Corp cs 706327103 10,313 485,911 SH   SOLE   485,911 0 0
PENTAIR INC cs G7S00T104 698 15,243 SH   SOLE   15,243 0 0
Phillips 66 Partners LP lp 718549207 1,017 44,146 SH   SOLE   44,146 0 0
Plains All American Pipeline lp 726503105 2,012 336,537 SH   SOLE   336,537 0 0
Plains GP Holdings, L.P. cs 72651A207 845 138,735 SH   SOLE   138,735 0 0
Q2 Holdings Inc cs 74736L109 115 1,258 SH   SOLE   1,258 0 0
Qiwi Plc ad 74735M108 23 1,307 SH   SOLE   1,307 0 0
Rattler Midstream Partners LP lp 75419T103 197 33,125 SH   SOLE   33,125 0 0
Rexnord Corp cs 76169B102 379 12,696 SH   SOLE   12,696 0 0
Shell Midstream Partners LP lp 822634101 868 91,797 SH   SOLE   91,797 0 0
Sjw Corp cs 784305104 167 2,751 SH   SOLE   2,751 0 0
South Jersey Industries, Inc. cs 838518108 3,514 182,362 SH   SOLE   182,362 0 0
Southwest Gas Corporation cs 844895102 6,420 101,737 SH   SOLE   101,737 0 0
Spire Inc cs 84857L101 4,977 93,552 SH   SOLE   93,552 0 0
Sprague Resources, LP lp 849343108 115 7,594 SH   SOLE   7,594 0 0
Square Inc cs 852234103 362 2,226 SH   SOLE   2,226 0 0
Stoneco Ltd cs G85158106 246 4,647 SH   SOLE   4,647 0 0
Sunoco LP lp 86765K109 991 40,646 SH   SOLE   40,646 0 0
Targa Resources Corp. cs 87612G101 5,952 424,241 SH   SOLE   424,241 0 0
TC Energy Corp. cs 87807B107 19,956 474,927 SH   SOLE   474,927 0 0
TC PipeLines, LP lp 87233Q108 1,017 39,767 SH   SOLE   39,767 0 0
Tetra Tech, Inc. cs 88162G103 547 5,728 SH   SOLE   5,728 0 0
The York Water Co cs 987184108 58 1,382 SH   SOLE   1,382 0 0
USA Compression Partners LP lp 90290N109 372 37,192 SH   SOLE   37,192 0 0
VISA Inc cs 92826C839 315 1,573 SH   SOLE   1,573 0 0
Watts Water Technologies, Inc. cs 942749102 292 2,915 SH   SOLE   2,915 0 0
Western Midstream Partners LP lp 958669103 1,189 148,565 SH   SOLE   148,565 0 0
Western Union Co/The cs 959802109 222 10,349 SH   SOLE   10,349 0 0
Wex Inc cs 96208T104 154 1,111 SH   SOLE   1,111 0 0
Williams Companies, Inc cs 969457100 20,550 1,045,824 SH   SOLE   1,045,824 0 0
Xylem Inc. cs 98419M100 1,253 14,892 SH   SOLE   14,892 0 0
Yiren Digital Ltd. ad 98585L100 7 2,356 SH   SOLE   2,356 0 0
Zuora Inc cs 98983V106 27 2,592 SH   SOLE   2,592 0 0