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
Antero Midstream Corporation cs 03676B102 6,015 578,944 SH   SOLE   578,944 0 0
Atmos Energy Corp cs 049560105 19,440 202,268 SH   SOLE   202,268 0 0
Badger Meter, Inc. cs 056525108 492 5,015 SH   SOLE   5,015 0 0
BigCommerce Holdings, Inc. cs 08975P108 93 1,431 SH   SOLE   1,431 0 0
Bottomline Technologies De Inc cs 101388106 61 1,633 SH   SOLE   1,633 0 0
BP Midstream Partners LP lp 0556EL109 549 37,945 SH   SOLE   37,945 0 0
California Water Service Group cs 130788102 475 8,548 SH   SOLE   8,548 0 0
Cass Information Systems Inc cs 14808P109 20 487 SH   SOLE   487 0 0
Cheniere Energy Inc. cs 16411R208 20,117 231,919 SH   SOLE   231,919 0 0
Cheniere Energy Partners LP lp 16411Q101 2,272 51,295 SH   SOLE   51,295 0 0
Chesapeake Utilities Corporation cs 165303108 4,341 36,073 SH   SOLE   36,073 0 0
Cia de Saneamento Basico do Es ad 20441A102 435 58,815 SH   SOLE   58,815 0 0
Crestwood Equity Partners LP lp 226344208 1,367 45,590 SH   SOLE   45,590 0 0
CrossAmerica Partners LP lp 22758A105 306 16,055 SH   SOLE   16,055 0 0
Csg Systems International Inc cs 126349109 55 1,174 SH   SOLE   1,174 0 0
DCP Midstream LP lp 23311P100 2,485 80,966 SH   SOLE   80,966 0 0
Delek Logistics Partners LP lp 24664T103 306 7,289 SH   SOLE   7,289 0 0
Discover Financial Services cs 254709108 589 4,978 SH   SOLE   4,978 0 0
Docusign Inc cs 256163106 720 2,575 SH   SOLE   2,575 0 0
Ecolab Inc. cs 278865100 3,410 16,554 SH   SOLE   16,554 0 0
Enable Midstream Partners LP lp 292480100 701 76,986 SH   SOLE   76,986 0 0
Enbridge Inc cs 29250N105 38,625 964,671 SH   SOLE   964,671 0 0
Energy Transfer LP lp 29273V100 19,951 1,876,819 SH   SOLE   1,876,819 0 0
Enlink Midstream, LLC cs 29336T100 3,415 534,400 SH   SOLE   534,400 0 0
Enterprise Products Partners L.P. lp 293792107 30,987 1,284,185 SH   SOLE   1,284,185 0 0
Equitrans Midstream Corporation cs 294600101 7,004 823,083 SH   SOLE   823,083 0 0
Essential Utilities Inc cs 29670G102 1,745 38,176 SH   SOLE   38,176 0 0
Euronet Worldwide Inc cs 298736109 252 1,862 SH   SOLE   1,862 0 0
Evertec Inc cs 30040P103 115 2,634 SH   SOLE   2,634 0 0
Evo Payments Inc cs 26927E104 47 1,700 SH   SOLE   1,700 0 0
Evoqua Water Technologies Corp cs 30057T105 688 20,366 SH   SOLE   20,366 0 0
Fidelity National Information cs 31620M106 598 4,218 SH   SOLE   4,218 0 0
Fiserv Inc cs 337738108 589 5,511 SH   SOLE   5,511 0 0
Fleetcor Technologies Inc cs 339041105 578 2,258 SH   SOLE   2,258 0 0
Franklin Electric Co Inc cs 353514102 532 6,593 SH   SOLE   6,593 0 0
Genesis Energy L.P. lp 371927104 1,156 99,562 SH   SOLE   99,562 0 0
Global Partners LP lp 37946R109 623 24,018 SH   SOLE   24,018 0 0
Global Payments Inc cs 37940X102 598 3,190 SH   SOLE   3,190 0 0
Green Dot Corp cs 39304D102 88 1,889 SH   SOLE   1,889 0 0
Greensky Inc cs 39572G100 14 2,576 SH   SOLE   2,576 0 0
Hess Midstream LP cs 428103105 514 20,343 SH   SOLE   20,343 0 0
Holly Energy Partners, L.P. lp 435763107 906 40,041 SH   SOLE   40,041 0 0
IDEX Corporation cs 45167R104 2,256 10,252 SH   SOLE   10,252 0 0
Jack Henry & Associates Inc cs 426281101 444 2,717 SH   SOLE   2,717 0 0
Kinder Morgan Inc cs 49456B101 37,143 2,037,442 SH   SOLE   2,037,442 0 0
Lendingclub Corp cs 52603A208 63 3,492 SH   SOLE   3,492 0 0
Lindsay Corporation cs 535555106 309 1,870 SH   SOLE   1,870 0 0
Magellan Midstream Partners, L.P. lp 559080106 9,507 194,386 SH   SOLE   194,386 0 0
MasterCard Incorporated cs 57636Q104 616 1,686 SH   SOLE   1,686 0 0
Middlesex Water Co cs 596680108 246 3,008 SH   SOLE   3,008 0 0
Mitek Systems Inc. cs 606710200 30 1,553 SH   SOLE   1,553 0 0
Montrose Environmental Group cs 615111101 129 2,405 SH   SOLE   2,405 0 0
MPLX LP lp 55336V100 9,019 304,603 SH   SOLE   304,603 0 0
Mueller Water Products, Inc. cs 624758108 393 27,245 SH   SOLE   27,245 0 0
National Fuel Gas Co cs 636180101 9,661 184,906 SH   SOLE   184,906 0 0
Ncr Corp cs 62886E108 216 4,743 SH   SOLE   4,743 0 0
New Fortress Energy Inc. cs 644393100 3,866 102,068 SH   SOLE   102,068 0 0
New Jersey Resources Corporation cs 646025106 7,724 195,197 SH   SOLE   195,197 0 0
Nisource Inc cs 65473P105 19,508 796,229 SH   SOLE   796,229 0 0
Northwest Natural Holding Co. cs 66765N105 3,313 63,076 SH   SOLE   63,076 0 0
NuStar Energy L.P. lp 67058H102 1,571 87,054 SH   SOLE   87,054 0 0
Oasis Midstream Partners LP lp 67420T206 222 9,448 SH   SOLE   9,448 0 0
ONE Gas, Inc. cs 68235P108 7,996 107,877 SH   SOLE   107,877 0 0
ONEOK, Inc cs 682680103 28,077 504,616 SH   SOLE   504,616 0 0
Onespan Inc cs 68287N100 33 1,284 SH   SOLE   1,284 0 0
Pagseguro Digital Ltd cs G68707101 415 7,425 SH   SOLE   7,425 0 0
Paypal Holdings Inc cs 70450Y103 677 2,324 SH   SOLE   2,324 0 0
PBF Logistics LP lp 69318Q104 328 22,031 SH   SOLE   22,031 0 0
Pembina Pipeline Corp cs 706327103 20,105 632,715 SH   SOLE   632,715 0 0
PENTAIR INC cs G7S00T104 1,830 27,110 SH   SOLE   27,110 0 0
Phillips 66 Partners LP lp 718549207 2,069 52,430 SH   SOLE   52,430 0 0
Plains All American Pipeline lp 726503105 4,522 398,033 SH   SOLE   398,033 0 0
Plains GP Holdings, L.P. cs 72651A207 2,047 171,416 SH   SOLE   171,416 0 0
Primo Water Corp cs 74167P108 462 27,611 SH   SOLE   27,611 0 0
Q2 Holdings Inc cs 74736L109 202 1,965 SH   SOLE   1,965 0 0
Qiwi Plc ad 74735M108 21 1,928 SH   SOLE   1,928 0 0
Rattler Midstream Partners LP lp 75419T103 393 35,990 SH   SOLE   35,990 0 0
Rexnord Corp cs 76169B102 1,021 20,403 SH   SOLE   20,403 0 0
Shell Midstream Partners LP lp 822634101 1,590 107,637 SH   SOLE   107,637 0 0
Sjw Corp cs 784305104 287 4,528 SH   SOLE   4,528 0 0
South Jersey Industries, Inc. cs 838518108 5,371 207,152 SH   SOLE   207,152 0 0
Southwest Gas Corporation cs 844895102 7,775 117,458 SH   SOLE   117,458 0 0
Spire Inc cs 84857L101 7,566 104,684 SH   SOLE   104,684 0 0
Sprague Resources, LP lp 849343108 223 8,801 SH   SOLE   8,801 0 0
Square Inc cs 852234103 710 2,914 SH   SOLE   2,914 0 0
Stoneco Ltd cs G85158106 517 7,710 SH   SOLE   7,710 0 0
Sunoco LP lp 86765K109 1,804 47,846 SH   SOLE   47,846 0 0
Targa Resources Corp. cs 87612G101 20,056 451,210 SH   SOLE   451,210 0 0
TC Energy Corp. cs 87807B107 35,705 721,029 SH   SOLE   721,029 0 0
Tetra Tech, Inc. cs 88162G103 1,130 9,256 SH   SOLE   9,256 0 0
The York Water Co cs 987184108 102 2,253 SH   SOLE   2,253 0 0
USA Compression Partners LP lp 90290N109 720 43,699 SH   SOLE   43,699 0 0
VISA Inc cs 92826C839 616 2,636 SH   SOLE   2,636 0 0
Watts Water Technologies, Inc. cs 942749102 689 4,721 SH   SOLE   4,721 0 0
Western Midstream Partners LP lp 958669103 3,516 164,157 SH   SOLE   164,157 0 0
Western Union Co/The cs 959802109 344 14,973 SH   SOLE   14,973 0 0
Wex Inc cs 96208T104 313 1,616 SH   SOLE   1,616 0 0
Williams Companies, Inc cs 969457100 36,211 1,363,897 SH   SOLE   1,363,897 0 0
Xylem Inc. cs 98419M100 2,924 24,374 SH   SOLE   24,374 0 0
Yiren Digital Ltd. ad 98585L100 19 3,098 SH   SOLE   3,098 0 0
Zuora Inc cs 98983V106 69 3,995 SH   SOLE   3,995 0 0