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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
A O SMITH cs 831865209   2,154,018 24,078 SH   SOLE   24,078 0 0
Advanced Drainage Systems Inc cs 00790R104   2,192,787 12,731 SH   SOLE   12,731 0 0
AMERICAN WTR WKS CO INC NEW CO cs 030420103   3,336,333 27,300 SH   SOLE   27,300 0 0
Antero Midstream Corporation cs 03676B102   8,013,933 569,981 SH   SOLE   569,981 0 0
Archrock, Inc. cs 03957W106   4,520,579 229,821 SH   SOLE   229,821 0 0
Atmos Energy Corp cs 049560105   19,354,057 162,817 SH   SOLE   162,817 0 0
Badger Meter, Inc. cs 056525108   930,893 5,753 SH   SOLE   5,753 0 0
California Water Service Group cs 130788102   525,828 11,313 SH   SOLE   11,313 0 0
Cheniere Energy Inc. cs 16411R208   34,867,607 216,193 SH   SOLE   216,193 0 0
Chesapeake Utilities Corporati cs 165303108   3,992,633 37,210 SH   SOLE   37,210 0 0
Core & Main Inc cs 21874C102   1,914,326 33,438 SH   SOLE   33,438 0 0
DT Midstream Inc cs 23345M107   6,144,033 100,557 SH   SOLE   100,557 0 0
Ecolab Inc. cs 278865100   4,028,281 17,446 SH   SOLE   17,446 0 0
Enbridge Inc cs 29250N105   36,302,252 1,003,379 SH   SOLE   1,003,379 0 0
Energy Recovery Inc cs 29270J100   174,937 11,079 SH   SOLE   11,079 0 0
Equitrans Midstream Corporatio cs 294600101   9,055,924 725,054 SH   SOLE   725,054 0 0
Essential Utilities Inc cs 29670G102   1,826,120 49,288 SH   SOLE   49,288 0 0
Excelerate Energy Inc. cs 30069T101   296,658 18,518 SH   SOLE   18,518 0 0
Franklin Electric Co Inc cs 353514102   830,555 7,776 SH   SOLE   7,776 0 0
IDEX Corporation cs 45167R104   2,140,787 8,773 SH   SOLE   8,773 0 0
Kinder Morgan Inc cs 49456B101   32,914,211 1,794,668 SH   SOLE   1,794,668 0 0
Kinetik Holdings Inc cs 02215L209   2,323,863 58,286 SH   SOLE   58,286 0 0
Kodiak Gas Services Inc cs 50012A108   460,816 16,855 SH   SOLE   16,855 0 0
Lindsay Corporation cs 535555106   254,381 2,162 SH   SOLE   2,162 0 0
Montrose Environmental Group cs 615111101   213,241 5,444 SH   SOLE   5,444 0 0
Mueller Water Products, Inc. cs 624758108   492,595 30,615 SH   SOLE   30,615 0 0
National Fuel Gas Co cs 636180101   8,282,227 154,174 SH   SOLE   154,174 0 0
New Fortress Energy Inc. cs 644393100   3,358,690 109,797 SH   SOLE   109,797 0 0
New Jersey Resources Corporati cs 646025106   7,059,124 164,510 SH   SOLE   164,510 0 0
Nisource Inc cs 65473P105   19,136,350 691,842 SH   SOLE   691,842 0 0
Northwest Natural Holding Co. cs 66765N105   2,290,779 61,547 SH   SOLE   61,547 0 0
ONE Gas, Inc. cs 68235P108   5,988,449 92,801 SH   SOLE   92,801 0 0
ONEOK, Inc cs 682680103   36,337,854 453,260 SH   SOLE   453,260 0 0
PENTAIR INC cs G7S00T104   2,244,680 26,272 SH   SOLE   26,272 0 0
Plains GP Holdings, L.P. cs 72651A207   3,717,160 203,680 SH   SOLE   203,680 0 0
Select Water Solutions Inc. cs 81617J301   146,655 15,889 SH   SOLE   15,889 0 0
Sjw Corp cs 784305104   322,337 5,696 SH   SOLE   5,696 0 0
Southwest Gas Corporation cs 844895102   7,654,034 100,539 SH   SOLE   100,539 0 0
Spire Inc cs 84857L101   5,646,838 92,013 SH   SOLE   92,013 0 0
Targa Resources Corp. cs 87612G101   20,141,290 179,849 SH   SOLE   179,849 0 0
TC Energy Corp. cs 87807B107   35,308,946 878,332 SH   SOLE   878,332 0 0
Tetra Tech, Inc. cs 88162G103   1,935,946 10,481 SH   SOLE   10,481 0 0
Veralto Corp cs 92338C103   2,726,118 30,748 SH   SOLE   30,748 0 0
Watts Water Technologies, Inc. cs 942749102   1,140,331 5,365 SH   SOLE   5,365 0 0
WILLIAMS COS INC COM cs 969457100   37,517,471 962,727 SH   SOLE   962,727 0 0
Xylem Inc. cs 98419M100   3,989,122 30,866 SH   SOLE   30,866 0 0
Zurn Elkay Water Solutions Cor cs 98983L108   925,345 27,647 SH   SOLE   27,647 0 0
Pembina Pipeline Corp cs 706327103   18,841,278 533,672 SH   SOLE   533,672 0 0
Stantec Inc. cs 85472N109   1,856,894 22,360 SH   SOLE   22,360 0 0
Cheniere Energy Partners LP lp 16411Q101   1,937,570 39,230 SH   SOLE   39,230 0 0
CrossAmerica Partners LP lp 22758A105   430,731 18,900 SH   SOLE   18,900 0 0
Delek Logistics Partners LP lp 24664T103   370,632 9,042 SH   SOLE   9,042 0 0
Energy Transfer LP lp 29273V100   19,474,558 1,238,052 SH   SOLE   1,238,052 0 0
Enlink Midstream, LLC lp 29336T100   5,422,664 397,556 SH   SOLE   397,556 0 0
Enterprise Products Partners L lp 293792107   19,546,953 669,875 SH   SOLE   669,875 0 0
Genesis Energy L.P. lp 371927104   1,284,649 115,526 SH   SOLE   115,526 0 0
Global Partners LP lp 37946R109   1,267,271 28,555 SH   SOLE   28,555 0 0
Hess Midstream LP lp 428103105   2,992,323 82,821 SH   SOLE   82,821 0 0
MPLX LP lp 55336V100   15,102,239 363,384 SH   SOLE   363,384 0 0
NuStar Energy L.P. lp 67058H102   2,734,132 117,496 SH   SOLE   117,496 0 0
Plains All American Pipeline, lp 726503105   8,297,012 472,495 SH   SOLE   472,495 0 0
Sunoco LP lp 86765K109   3,468,785 57,535 SH   SOLE   57,535 0 0
USA Compression Partners LP lp 90290N109   1,631,137 61,160 SH   SOLE   61,160 0 0
Western Midstream Partners LP lp 958669103   6,995,351 196,775 SH   SOLE   196,775 0 0