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
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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
AES CORP COM 00130H105   36,445,988 2,032,682 SH   OTR 1 0 2,032,682 0
AES CORP COM 00130H105   8,547,625 476,722 SH   SOLE   476,722 0 0
ALLIANCE RESOURCE PARTNERS L UT LTD PART 01877R108   1,533,504 76,484 SH   OTR 1 0 76,484 0
ALLIANCE RESOURCE PARTNERS L UT LTD PART 01877R108   1,609,013 80,250 SH   SOLE   80,250 0 0
ALLIANT ENERGY CORP COM 018802108   82,194,941 1,630,852 SH   OTR 1 0 1,630,852 0
ALLIANT ENERGY CORP COM 018802108   17,766,302 352,506 SH   SOLE   352,506 0 0
AMEREN CORP COM 023608102   11,414,025 154,327 SH   OTR 1 0 154,327 0
AMEREN CORP COM 023608102   3,503,263 47,367 SH   SOLE   47,367 0 0
AMERICAN ELEC PWR CO INC COM 025537101   102,296,271 1,188,110 SH   OTR 1 0 1,188,110 0
AMERICAN ELEC PWR CO INC COM 025537101   20,986,531 243,746 SH   SOLE   243,746 0 0
AMERICAN WTR WKS CO INC NEW COM 030420103   3,155,951 25,824 SH   OTR 1 0 25,824 0
AMERICAN WTR WKS CO INC NEW COM 030420103   108,522 888 SH   SOLE   888 0 0
ARCHROCK INC COM 03957W106   32,837,865 1,669,439 SH   OTR 1 0 1,669,439 0
ARCHROCK INC COM 03957W106   15,725,339 799,458 SH   SOLE   799,458 0 0
ATMOS ENERGY CORP COM 049560105   77,649,569 653,231 SH   OTR 1 0 653,231 0
ATMOS ENERGY CORP COM 049560105   18,673,051 157,088 SH   SOLE   157,088 0 0
BP PLC SPONSORED ADR 055622104   28,245,267 749,609 SH   OTR 1 0 749,609 0
BP PLC SPONSORED ADR 055622104   18,568,327 492,790 SH   SOLE   492,790 0 0
CACTUS INC CL A 127203107   1,234,468 24,645 SH   OTR 1 0 24,645 0
CACTUS INC CL A 127203107   1,521,233 30,370 SH   SOLE   30,370 0 0
CENTERPOINT ENERGY INC COM 15189T107   24,022,569 843,193 SH   OTR 1 0 843,193 0
CENTERPOINT ENERGY INC COM 15189T107   3,982,845 139,798 SH   SOLE   139,798 0 0
CHENIERE ENERGY INC COM NEW 16411R208   55,923,679 346,749 SH   OTR 1 0 346,749 0
CHENIERE ENERGY INC COM NEW 16411R208   8,844,273 54,838 SH   SOLE   54,838 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101   73,188,423 1,481,847 SH   OTR 1 0 1,481,847 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101   17,199,425 348,237 SH   SOLE   348,237 0 0
CHESAPEAKE UTILS CORP COM 165303108   7,244,360 67,515 SH   OTR 1 0 67,515 0
CHESAPEAKE UTILS CORP COM 165303108   2,712,222 25,277 SH   SOLE   25,277 0 0
CHEVRON CORP NEW COM 166764100   8,617,178 54,629 SH   OTR 1 0 54,629 0
CHEVRON CORP NEW COM 166764100   2,412,633 15,295 SH   SOLE   15,295 0 0
CLEARWAY ENERGY INC CI A 18539C105   22,100,170 1,027,437 SH   OTR 1 0 1,027,437 0
CLEARWAY ENERGY INC CI A 18539C105   20,072,766 933,183 SH   SOLE   933,183 0 0
CMS ENERGY CORP COM 125896100   46,342,327 768,020 SH   OTR 1 0 768,020 0
CMS ENERGY CORP COM 125896100   7,889,696 130,754 SH   SOLE   130,754 0 0
CONSTELLATION ENERGY CORP COM 21037T109   6,506,350 35,198 SH   OTR 1 0 35,198 0
CONSTELLATION ENERGY CORP COM 21037T109   1,604,128 8,678 SH   SOLE   8,678 0 0
COTERRA ENERGY INC COM 127097103   2,118,936 76,002 SH   OTR 1 0 76,002 0
COTERRA ENERGY INC COM 127097103   2,225,660 79,830 SH   SOLE   79,830 0 0
DIAMONDBACK ENERGY INC COM 25278X109   2,676,484 13,506 SH   OTR 1 0 13,506 0
DIAMONDBACK ENERGY INC COM 25278X109   2,825,904 14,260 SH   SOLE   14,260 0 0
DOMINION ENERGY INC COM 25746U109   8,712,779 177,125 SH   OTR 1 0 177,125 0
DT MIDSTREAM INC COMMON STOCK 23345M107   158,704,073 2,597,448 SH   OTR 1 0 2,597,448 0
DT MIDSTREAM INC COMMON STOCK 23345M107   38,851,352 635,865 SH   SOLE   635,865 0 0
DTE ENERGY CO COM 233331107   46,917,470 418,383 SH   OTR 1 0 418,383 0
DTE ENERGY CO COM 233331107   7,504,633 66,922 SH   SOLE   66,922 0 0
DUKE ENERGY CORP NEW COM NEW 26441C204   24,160,286 249,822 SH   OTR 1 0 249,822 0
DUKE ENERGY CORP NEW COM NEW 26441C204   3,407,190 35,231 SH   SOLE   35,231 0 0
ENBRIDGE INC COM 29250N105   62,894,588 1,738,380 SH   OTR 1 0 1,738,380 0
ENBRIDGE INC COM 29250N105   8,945,143 247,240 SH   SOLE   247,240 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100   311,516,810 19,803,993 SH   OTR 1 0 19,803,993 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100   69,429,373 4,413,819 SH   SOLE   4,413,819 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100   1,648,421 120,852 SH   OTR 1 0 120,852 0
ENTERGY CORP NEW COM 29364G103   36,261,873 343,129 SH   OTR 1 0 343,129 0
ENTERGY CORP NEW COM 29364G103   5,736,099 54,278 SH   SOLE   54,278 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107   366,221,431 12,550,426 SH   OTR 1 0 12,550,426 0
ENTERPRISE PRODS PARTNERS L COM 293792107   89,539,705 3,068,530 SH   SOLE   3,068,530 0 0
EOG RES INC COM 26875P101   5,621,508 43,973 SH   OTR 1 0 43,973 0
EOG RES INC COM 26875P101   6,215,581 48,620 SH   SOLE   48,620 0 0
EQUITRANS MIDSTREAM CORP COM 294600101   13,548,552 1,084,752 SH   OTR 1 0 1,084,752 0
EQUITRANS MIDSTREAM CORP COM 294600101   1,092,438 87,465 SH   SOLE   87,465 0 0
ESSENTIAL UTILS INC COM 29670G102   18,591,394 501,792 SH   OTR 1 0 501,792 0
ESSENTIAL UTILS INC COM 29670G102   8,325,431 224,708 SH   SOLE   224,708 0 0
EVERGY INC COM 30034W106   45,187,184 846,519 SH   OTR 1 0 846,519 0
EVERGY INC COM 30034W106   13,928,123 260,924 SH   SOLE   260,924 0 0
EVERSOURCE ENERGY COM 30040W108   27,957,955 467,759 SH   OTR 1 0 467,759 0
EVERSOURCE ENERGY COM 30040W108   8,275,157 138,450 SH   SOLE   138,450 0 0
EXELON CORP COM 30161N101   18,508,259 492,634 SH   OTR 1 0 492,634 0
EXELON CORP COM 30161N101   1,479,507 39,380 SH   SOLE   39,380 0 0
EXXON MOBIL CORP COM 30231G102   33,694,489 289,870 SH   OTR 1 0 289,870 0
EXXON MOBIL CORP COM 30231G102   15,457,595 132,980 SH   SOLE   132,980 0 0
FLUOR CORP NEW COM 343412102   27,713,990 655,487 SH   OTR 1 0 655,487 0
FLUOR CORP NEW COM 343412102   4,493,096 106,270 SH   SOLE   106,270 0 0
HALLIBURTON CO COM 406216101   3,408,569 86,468 SH   OTR 1 0 86,468 0
HALLIBURTON CO COM 406216101   4,482,842 113,720 SH   SOLE   113,720 0 0
HELMERICH & PAYNE INC COM 423452101   1,609,889 38,276 SH   OTR 1 0 38,276 0
HELMERICH & PAYNE INC COM 423452101   1,880,082 44,700 SH   SOLE   44,700 0 0
HESS MIDSTREAM LP CI A SHS 428103105   40,983,849 1,134,344 SH   OTR 1 0 1,134,344 0
HESS MIDSTREAM LP CI A SHS 428103105   8,576,901 237,390 SH   SOLE   237,390 0 0
IDACORP INC COM 451107106   23,019,350 247,813 SH   OTR 1 0 247,813 0
IDACORP INC COM 451107106   5,167,285 55,628 SH   SOLE   55,628 0 0
KIMBELL RTY PARTNERS LP UNIT 49435R102   1,287,198 82,938 SH   OTR 1 0 82,938 0
KIMBELL RTY PARTNERS LP UNIT 49435R102   1,352,723 87,160 SH   SOLE   87,160 0 0
KINDER MORGAN INC DEL COM 49456B101   171,738,108 9,364,128 SH   OTR 1 0 9,364,128 0
KINDER MORGAN INC DEL COM 49456B101   24,819,962 1,353,324 SH   SOLE   1,353,324 0 0
MARATHON PETE CORP COM 56585A102   1,037,322 5,148 SH   OTR 1 0 5,148 0
MARATHON PETE CORP COM 56585A102   1,098,175 5,450 SH   SOLE   5,450 0 0
MPLX LP COM UNIT REP LTD 55336V100   177,911,960 4,280,846 SH   OTR 1 0 4,280,846 0
MPLX LP COM UNIT REP LTD 55336V100   39,235,632 944,072 SH   SOLE   944,072 0 0
NATIONAL FUEL GAS CO COM 636180101   110,687,320 2,060,449 SH   OTR 1 0 2,060,449 0
NATIONAL FUEL GAS CO COM 636180101   28,739,555 534,988 SH   SOLE   534,988 0 0
NATURAL RESOURCES PARTNERS L COM UNIT LTD PAR 63900P608   1,353,504 14,712 SH   OTR 1 0 14,712 0
NATURAL RESOURCES PARTNERS L COM UNIT LTD PAR 63900P608   1,420,480 15,440 SH   SOLE   15,440 0 0
NEW JERSEY RES CORP COM 646025106   19,523,835 454,995 SH   OTR 1 0 454,995 0
NEW JERSEY RES CORP COM 646025106   3,546,125 82,641 SH   SOLE   82,641 0 0
NEXTERA ENERGY INC COM 65339F101   2,750,239 43,033 SH   OTR 1 0 43,033 0
NEXTERA ENERGY INC COM 65339F101   3,963,443 62,016 SH   SOLE   62,016 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106   40,704,015 1,353,192 SH   OTR 1 0 1,353,192 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106   8,814,884 293,048 SH   SOLE   293,048 0 0
NOV INC COM 62955J103   1,465,074 75,055 SH   OTR 1 0 75,055 0
NOV INC COM 62955J103   1,790,765 91,740 SH   SOLE   91,740 0 0
OGE ENERGY CORP COM 670837103   170,505 4,971 SH   OTR 1 0 4,971 0
OGE ENERGY CORP COM 670837103   6,174 180 SH   SOLE   180 0 0
ONE GAS INC COM 68235P108   55,983,002 867,550 SH   OTR 1 0 867,550 0
ONE GAS INC COM 68235P108   12,333,619 191,130 SH   SOLE   191,130 0 0
ONEOK INC NEW COM 682680103   225,627,562 2,814,364 SH   OTR 1 0 2,814,364 0
ONEOK INC NEW COM 682680103   49,734,582 620,364 SH   SOLE   620,364 0 0
PATTERSON-UTI ENERGY INC COM 703481101   783,348 65,607 SH   OTR 1 0 65,607 0
PATTERSON-UTI ENERGY INC COM 703481101   851,322 71,300 SH   SOLE   71,300 0 0
PHILLIPS 66 COM 718546104   1,038,516 6,358 SH   OTR 1 0 6,358 0
PHILLIPS 66 COM 718546104   1,089,478 6,670 SH   SOLE   6,670 0 0
PIONEER NAT RES CO COM 723787107   2,247,525 8,562 SH   OTR 1 0 8,562 0
PIONEER NAT RES CO COM 723787107   2,369,063 9,025 SH   SOLE   9,025 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105   32,005,927 1,822,661 SH   OTR 1 0 1,822,661 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105   16,232,201 924,385 SH   SOLE   924,385 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207   177,282,581 9,714,114 SH   OTR 1 0 9,714,114 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207   16,886,780 925,303 SH   SOLE   925,303 0 0
PPL CORP COM 69351T106   87,658,658 3,184,114 SH   OTR 1 0 3,184,114 0
PPL CORP COM 69351T106   14,066,729 510,960 SH   SOLE   510,960 0 0
PUBLIC SVC ENTERPRISE GRP IN COM 744573106   92,588,467 1,386,470 SH   OTR 1 0 1,386,470 0
PUBLIC SVC ENTERPRISE GRP IN COM 744573106   11,434,072 171,220 SH   SOLE   171,220 0 0
QUANTA SVCS INC COM 74762E102   62,436,695 240,326 SH   OTR 1 0 240,326 0
QUANTA SVCS INC COM 74762E102   13,635,343 52,484 SH   SOLE   52,484 0 0
RANGE RES CORP COM 75281A109   2,317,208 67,302 SH   OTR 1 0 67,302 0
RANGE RES CORP COM 75281A109   2,461,229 71,485 SH   SOLE   71,485 0 0
SCHLUMBERGER LTD COM STK 806857108   3,295,616 60,128 SH   OTR 1 0 60,128 0
SCHLUMBERGER LTD COM STK 806857108   4,561,288 83,220 SH   SOLE   83,220 0 0
SEMPRA COM 816851109   135,222,776 1,882,539 SH   OTR 1 0 1,882,539 0
SEMPRA COM 816851109   26,080,108 363,081 SH   SOLE   363,081 0 0
SHELL PLC SPON ADS 780259305   45,371,264 676,779 SH   OTR 1 0 676,779 0
SHELL PLC SPON ADS 780259305   29,628,328 441,950 SH   SOLE   441,950 0 0
SM ENERGY CO COM 78454L100   683,493 13,711 SH   OTR 1 0 13,711 0
SM ENERGY CO COM 78454L100   720,831 14,460 SH   SOLE   14,460 0 0
SOUTHERN CO COM 842587107   81,496,281 1,135,995 SH   OTR 1 0 1,135,995 0
SOUTHERN CO COM 842587107   13,276,133 185,059 SH   SOLE   185,059 0 0
SOUTHWESTERN ENERGY CO COM 845467109   2,125,758 280,443 SH   OTR 1 0 280,443 0
SOUTHWESTERN ENERGY CO COM 845467109   2,244,779 296,145 SH   SOLE   296,145 0 0
SUNOCO LP/SUNOCO FIN CORP COM UT REP LP 86765K109   10,493,776 174,055 SH   OTR 1 0 174,055 0
TARGA RES CORP COM 87612G101   104,979,314 937,399 SH   OTR 1 0 937,399 0
TARGA RES CORP COM 87612G101   30,154,315 269,259 SH   SOLE   269,259 0 0
TC ENERGY CORP COM 87807B107   43,521,244 1,082,618 SH   OTR 1 0 1,082,618 0
TC ENERGY CORP COM 87807B107   12,498,743 310,914 SH   SOLE   310,914 0 0
TECHNIPFMC COM G87110105   2,414,552 96,159 SH   OTR 1 0 96,159 0
TECHNIPFMC COM G87110105   2,772,144 110,400 SH   SOLE   110,400 0 0
TOTALENERGIES SE SPONSORED ADS 89151E109   43,943,756 638,439 SH   OTR 1 0 638,439 0
TOTALENERGIES SE SPONSORED ADS 89151E109   25,903,482 376,340 SH   SOLE   376,340 0 0
TXO PARTNERS LP COM UNIT 87313P103   6,046,727 336,865 SH   OTR 1 0 336,865 0
TXO PARTNERS LP COM UNIT 87313P103   2,810,485 156,573 SH   SOLE   156,573 0 0
UGI CORP NEW COM 902681105   4,057,076 165,325 SH   OTR 1 0 165,325 0
UGI CORP NEW COM 902681105   823,096 33,541 SH   SOLE   33,541 0 0
USA COMPRESSION PARTNERS LP COMUNIT LTDPAR 90290N109   10,043,149 376,571 SH   OTR 1 0 376,571 0
USA COMPRESSION PARTNERS LP COMUNIT LTDPAR 90290N109   2,716,606 101,860 SH   SOLE   101,860 0 0
VALERO ENERGY CORP COM 91913Y100   837,405 4,906 SH   OTR 1 0 4,906 0
VALERO ENERGY CORP COM 91913Y100   889,295 5,210 SH   SOLE   5,210 0 0
VISTRA CORP COM 92840M102   18,660,489 267,918 SH   OTR 1 0 267,918 0
VISTRA CORP COM 92840M102   4,177,607 59,980 SH   SOLE   59,980 0 0
WEC ENERGY GROUP INC COM 92939U106   68,499,166 834,135 SH   OTR 1 0 834,135 0
WEC ENERGY GROUP INC COM 92939U106   15,430,759 187,905 SH   SOLE   187,905 0 0
WESTLAKE CHEM PARTNERS LP C COM UNIT RP LP 960417103   35,146,640 1,583,182 SH   OTR 1 0 1,583,182 0
WESTLAKE CHEM PARTNERS LP C COM UNIT RP LP 960417103   9,511,279 428,436 SH   SOLE   428,436 0 0
WILLIAMS COS INC COM 969457100   121,186,295 3,109,733 SH   OTR 1 0 3,109,733 0
WILLIAMS COS INC COM 969457100   8,375,627 214,925 SH   SOLE   214,925 0 0
XCEL ENERGY INC COM 98389B100   42,794,191 796,171 SH   OTR 1 0 796,171 0
XCEL ENERGY INC COM 98389B100   7,777,625 144,700 SH   SOLE   144,700 0 0