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
A O SMITH cs 831865209 877 16,003 SH   SOLE   16,003 0 0
Aci Worldwide Inc cs 004498101 112 2,908 SH   SOLE   2,908 0 0
Aegion Corp cs 00770F104 69 3,654 SH   SOLE   3,654 0 0
Altus Midstream Company cs 02215L209 257 5,407 SH   SOLE   5,407 0 0
American Express Co cs 025816109 376 3,112 SH   SOLE   3,112 0 0
American States Water Company cs 029899101 346 4,356 SH   SOLE   4,356 0 0
American Water Works Company cs 030420103 1,788 11,650 SH   SOLE   11,650 0 0
Antero Midstream Corporation cs 03676B102 4,599 596,462 SH   SOLE   596,462 0 0
Archrock, Inc. cs 03957W106 2,320 267,929 SH   SOLE   267,929 0 0
Atmos Energy Corp cs 049560105 15,062 157,836 SH   SOLE   157,836 0 0
Badger Meter, Inc. cs 056525108 323 3,439 SH   SOLE   3,439 0 0
BigCommerce Holdings, Inc. cs 08975P108 25 384 SH   SOLE   384 0 0
Bottomline Technologies De Inc cs 101388106 59 1,119 SH   SOLE   1,119 0 0
BP Midstream Partners LP lp 0556EL109 363 34,260 SH   SOLE   34,260 0 0
California Water Service Group cs 130788102 315 5,833 SH   SOLE   5,833 0 0
Cass Information Systems Inc cs 14808P109 13 336 SH   SOLE   336 0 0
Cheniere Energy Inc. cs 16411R208 15,321 255,226 SH   SOLE   255,226 0 0
Cheniere Energy Partners LP lp 16411Q101 1,588 45,039 SH   SOLE   45,039 0 0
Chesapeake Utilities Corporation cs 165303108 3,941 36,418 SH   SOLE   36,418 0 0
Cia de Saneamento Basico do Es ad 20441A102 347 40,361 SH   SOLE   40,361 0 0
Crestwood Equity Partners LP lp 226344208 734 38,691 SH   SOLE   38,691 0 0
CrossAmerica Partners LP lp 22758A105 250 14,540 SH   SOLE   14,540 0 0
Csg Systems International Inc cs 126349109 37 812 SH   SOLE   812 0 0
DCP Midstream LP lp 23311P100 1,314 70,956 SH   SOLE   70,956 0 0
Delek Logistics Partners LP lp 24664T103 212 6,634 SH   SOLE   6,634 0 0
Discover Financial Services cs 254709108 412 4,552 SH   SOLE   4,552 0 0
Docusign Inc cs 256163106 381 1,713 SH   SOLE   1,713 0 0
Enable Midstream Partners LP lp 292480100 365 69,450 SH   SOLE   69,450 0 0
Enbridge Inc cs 29250N105 27,583 862,243 SH   SOLE   862,243 0 0
Energy Transfer LP lp 29273V100 14,691 2,377,255 SH   SOLE   2,377,255 0 0
Enlink Midstream, LLC cs 29336T100 2,008 541,364 SH   SOLE   541,364 0 0
Enterprise Products Partners LP lp 293792107 24,795 1,265,677 SH   SOLE   1,265,677 0 0
Equitrans Midstream Corporation cs 294600101 6,817 847,864 SH   SOLE   847,864 0 0
Essential Utilities Inc cs 29670G102 1,032 21,819 SH   SOLE   21,819 0 0
Euronet Worldwide Inc cs 298736109 185 1,280 SH   SOLE   1,280 0 0
Evertec Inc cs 30040P103 71 1,808 SH   SOLE   1,808 0 0
Evo Payments Inc cs 26927E104 28 1,052 SH   SOLE   1,052 0 0
Evoqua Water Technologies Corp cs 30057T105 331 12,252 SH   SOLE   12,252 0 0
Fidelity National Information cs 31620M106 362 2,562 SH   SOLE   2,562 0 0
Fiserv Inc cs 337738108 376 3,305 SH   SOLE   3,305 0 0
Fleetcor Technologies Inc cs 339041105 387 1,417 SH   SOLE   1,417 0 0
Franklin Electric Co Inc cs 353514102 313 4,527 SH   SOLE   4,527 0 0
Genesis Energy L.P. lp 371927104 527 84,816 SH   SOLE   84,816 0 0
Global Partners LP lp 37946R109 361 21,718 SH   SOLE   21,718 0 0
Global Payments Inc cs 37940X102 417 1,935 SH   SOLE   1,935 0 0
Green Dot Corp cs 39304D102 67 1,198 SH   SOLE   1,198 0 0
Greensky Inc cs 39572G100 8 1,762 SH   SOLE   1,762 0 0
Hess Midstream LP cs 428103105 259 13,219 SH   SOLE   13,219 0 0
Holly Energy Partners, L.P. lp 435763107 481 33,853 SH   SOLE   33,853 0 0
Jack Henry & Associates Inc cs 426281101 314 1,938 SH   SOLE   1,938 0 0
Kinder Morgan Inc cs 49456B101 27,067 1,980,029 SH   SOLE   1,980,029 0 0
Lendingclub Corp cs 52603A208 25 2,324 SH   SOLE   2,324 0 0
Lindsay Corporation cs 535555106 162 1,264 SH   SOLE   1,264 0 0
Magellan Midstream Partners, LP lp 559080106 7,488 176,434 SH   SOLE   176,434 0 0
MasterCard Incorporated cs 57636Q104 401 1,123 SH   SOLE   1,123 0 0
Middlesex Water Co cs 596680108 147 2,034 SH   SOLE   2,034 0 0
Mitek Systems Inc. cs 606710200 19 1,048 SH   SOLE   1,048 0 0
Montrose Environmental Group cs 615111101 42 1,356 SH   SOLE   1,356 0 0
MPLX LP lp 55336V100 6,039 278,931 SH   SOLE   278,931 0 0
Mueller Water Products, Inc. cs 624758108 229 18,464 SH   SOLE   18,464 0 0
National Fuel Gas Co cs 636180101 7,803 189,724 SH   SOLE   189,724 0 0
Ncr Corp cs 62886E108 121 3,222 SH   SOLE   3,222 0 0
New Fortress Energy Inc. cs 644393100 1,886 35,193 SH   SOLE   35,193 0 0
New Jersey Resources Corporation cs 646025106 7,128 200,500 SH   SOLE   200,500 0 0
Nisource Inc cs 65473P105 15,255 665,017 SH   SOLE   665,017 0 0
Noble Midstream Partners LP lp 65506L105 278 26,694 SH   SOLE   26,694 0 0
Northwest Natural Holding Co. cs 66765N105 2,932 63,757 SH   SOLE   63,757 0 0
NuStar Energy L.P. lp 67058H102 1,091 75,706 SH   SOLE   75,706 0 0
Oasis Midstream Partners LP lp 67420T206 102 8,672 SH   SOLE   8,672 0 0
ONE Gas, Inc. cs 68235P108 8,502 110,742 SH   SOLE   110,742 0 0
ONEOK, Inc cs 682680103 18,314 477,169 SH   SOLE   477,169 0 0
Onespan Inc cs 68287N100 18 875 SH   SOLE   875 0 0
Pagseguro Digital Ltd cs G68707101 264 4,649 SH   SOLE   4,649 0 0
Paypal Holdings Inc cs 70450Y103 421 1,796 SH   SOLE   1,796 0 0
PBF Logistics LP lp 69318Q104 182 19,870 SH   SOLE   19,870 0 0
Pembina Pipeline Corp cs 706327103 13,648 577,180 SH   SOLE   577,180 0 0
PENTAIR INC cs G7S00T104 932 17,547 SH   SOLE   17,547 0 0
Phillips 66 Partners LP lp 718549207 1,211 45,846 SH   SOLE   45,846 0 0
Plains All American Pipeline lp 726503105 2,983 361,968 SH   SOLE   361,968 0 0
Plains GP Holdings, L.P. cs 72651A207 1,227 145,165 SH   SOLE   145,165 0 0
Q2 Holdings Inc cs 74736L109 161 1,273 SH   SOLE   1,273 0 0
Qiwi Plc ad 74735M108 14 1,336 SH   SOLE   1,336 0 0
Rattler Midstream Partners LP lp 75419T103 332 35,054 SH   SOLE   35,054 0 0
Rexnord Corp cs 76169B102 563 14,259 SH   SOLE   14,259 0 0
Shell Midstream Partners LP lp 822634101 944 93,620 SH   SOLE   93,620 0 0
Sjw Corp cs 784305104 213 3,072 SH   SOLE   3,072 0 0
South Jersey Industries, Inc. cs 838518108 4,521 209,796 SH   SOLE   209,796 0 0
Southwest Gas Corporation cs 844895102 7,201 118,528 SH   SOLE   118,528 0 0
Spire Inc cs 84857L101 6,894 107,658 SH   SOLE   107,658 0 0
Sprague Resources, LP lp 849343108 152 8,043 SH   SOLE   8,043 0 0
Square Inc cs 852234103 398 1,829 SH   SOLE   1,829 0 0
Stoneco Ltd cs G85158106 404 4,814 SH   SOLE   4,814 0 0
Sunoco LP lp 86765K109 1,199 41,676 SH   SOLE   41,676 0 0
Targa Resources Corp. cs 87612G101 12,600 477,641 SH   SOLE   477,641 0 0
TC Energy Corp. cs 87807B107 26,061 640,005 SH   SOLE   640,005 0 0
TC PipeLines, LP lp 87233Q108 1,216 41,289 SH   SOLE   41,289 0 0
Tetra Tech, Inc. cs 88162G103 738 6,370 SH   SOLE   6,370 0 0
The York Water Co cs 987184108 72 1,548 SH   SOLE   1,548 0 0
USA Compression Partners LP lp 90290N109 502 36,933 SH   SOLE   36,933 0 0
VISA Inc cs 92826C839 395 1,806 SH   SOLE   1,806 0 0
Watts Water Technologies, Inc. cs 942749102 395 3,242 SH   SOLE   3,242 0 0
Western Midstream Partners LP lp 958669103 2,041 147,715 SH   SOLE   147,715 0 0
Western Union Co/The cs 959802109 227 10,335 SH   SOLE   10,335 0 0
Wex Inc cs 96208T104 230 1,128 SH   SOLE   1,128 0 0
Williams Companies, Inc cs 969457100 25,893 1,291,439 SH   SOLE   1,291,439 0 0
Xylem Inc. cs 98419M100 1,787 17,555 SH   SOLE   17,555 0 0
Yiren Digital Ltd. ad 98585L100 8 2,395 SH   SOLE   2,395 0 0
Zuora Inc cs 98983V106 36 2,608 SH   SOLE   2,608 0 0