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
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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   11,488,671 399,467 SH   OTR 1 0 399,467 0
AES Corp Com 00130H105   5,557,496 193,237 SH   SOLE   193,237 0 0
Alliance Resource Partners L Ut Ltd Part 01877R108   538,094 26,481 SH   OTR 1 0 26,481 0
Alliant Energy Corp Com 018802108   59,293,608 1,073,965 SH   OTR 1 0 1,073,965 0
Alliant Energy Corp Com 018802108   10,554,551 191,171 SH   SOLE   191,171 0 0
American Elec Pwr Co Inc Com 025537101   97,431,898 1,026,139 SH   OTR 1 0 1,026,139 0
American Elec Pwr Co Inc Com 025537101   19,804,101 208,574 SH   SOLE   208,574 0 0
American Wtr Wks Co Inc New Com 030420103   4,977,123 32,654 SH   OTR 1 0 32,654 0
American Wtr Wks Co Inc New Com 030420103   779,019 5,111 SH   SOLE   5,111 0 0
Archrock Inc Com 03957W106   13,086,796 1,457,327 SH   OTR 1 0 1,457,327 0
Archrock Inc Com 03957W106   6,102,539 679,570 SH   SOLE   679,570 0 0
Atmos Energy Corp Com 049560105   44,630,757 398,240 SH   OTR 1 0 398,240 0
Atmos Energy Corp Com 049560105   9,418,139 84,038 SH   SOLE   84,038 0 0
BP PLC Sponsored ADR 055622104   22,927,947 656,397 SH   OTR 1 0 656,397 0
BP PLC Sponsored ADR 055622104   12,011,379 343,870 SH   SOLE   343,870 0 0
Cactus Inc CL A 127203107   428,668 8,529 SH   OTR 1 0 8,529 0
Cactus Inc CL A 127203107   261,352 5,200 SH   SOLE   5,200 0 0
CenterPoint Energy Inc Com 15189T107   20,242,110 674,962 SH   OTR 1 0 674,962 0
CenterPoint Energy Inc Com 15189T107   4,885,311 162,898 SH   SOLE   162,898 0 0
Cheniere Energy Inc Com 16411R208   103,352,432 689,200 SH   OTR 1 0 689,200 0
Cheniere Energy Inc Com 16411R208   35,886,928 239,310 SH   SOLE   239,310 0 0
Cheniere Energy Partners LP Com Unit 16411Q101   123,877,476 2,178,257 SH   OTR 1 0 2,178,257 0
Cheniere Energy Partners LP Com Unit 16411Q101   39,386,172 692,565 SH   SOLE   692,565 0 0
Chesapeake Utils Corp Com 165303108   1,691,983 14,317 SH   OTR 1 0 14,317 0
Chesapeake Utils Corp Com 165303108   1,082,292 9,158 SH   SOLE   9,158 0 0
Chevron Corp New Com 166764100   851,680 4,745 SH   OTR 1 0 4,745 0
Chevron Corp New Com 166764100   74,488 415 SH   SOLE   415 0 0
Clearway Energy Inc CI A 18539C105   15,260,098 510,030 SH   OTR 1 0 510,030 0
Clearway Energy Inc CI A 18539C105   23,311,779 779,137 SH   SOLE   779,137 0 0
CMS Energy Corp Com 125896100   28,486,467 449,810 SH   OTR 1 0 449,810 0
CMS Energy Corp Com 125896100   4,734,424 74,758 SH   SOLE   74,758 0 0
Constellation Energy Corp Com 21037T109   12,479,501 144,757 SH   OTR 1 0 144,757 0
Constellation Energy Corp Com 21037T109   2,476,296 28,724 SH   SOLE   28,724 0 0
Coterra Energy Inc Com 127097103   525,233 21,377 SH   OTR 1 0 21,377 0
DCP Midstream LP Com Ut Ltd Ptn 23311P100   16,078,455 414,500 SH   OTR 1 0 414,500 0
DCP Midstream LP Com Ut Ltd Ptn 23311P100   9,612,162 247,800 SH   SOLE   247,800 0 0
Diamondback Energy Inc Com 25278X109   552,728 4,041 SH   OTR 1 0 4,041 0
Diamondback Energy Inc Com 25278X109   8,207 60 SH   SOLE   60 0 0
DT Midstream Inc Common Stock 23345M107   132,821,278 2,403,570 SH   OTR 1 0 2,403,570 0
DT Midstream Inc Common Stock 23345M107   41,374,544 748,725 SH   SOLE   748,725 0 0
DTE Energy Co Com 233331107   48,776,360 415,012 SH   OTR 1 0 415,012 0
DTE Energy Co Com 233331107   9,428,492 80,222 SH   SOLE   80,222 0 0
Duke Energy Corp New Com New 26441C204   22,042,950 214,030 SH   OTR 1 0 214,030 0
Duke Energy Corp New Com New 26441C204   2,535,408 24,618 SH   SOLE   24,618 0 0
Edison Intl Com 281020107   54,840 862 SH   OTR 1 0 862 0
Edison Intl Com 281020107   83,978 1,320 SH   SOLE   1,320 0 0
Enbridge Inc Com 29250N105   67,901,842 1,736,620 SH   OTR 1 0 1,736,620 0
Enbridge Inc Com 29250N105   10,855,372 277,631 SH   SOLE   277,631 0 0
Energy Transfer LP Com Ut Ltd Ptn 29273V100   259,669,378 21,876,106 SH   OTR 1 0 21,876,106 0
Energy Transfer LP Com Ut Ltd Ptn 29273V100   56,473,175 4,757,639 SH   SOLE   4,757,639 0 0
Enlink Midstream LLC Com Unit Rep Ltd 29336T100   14,720,369 1,196,778 SH   OTR 1 0 1,196,778 0
Enlink Midstream LLC Com Unit Rep Ltd 29336T100   1,043,040 84,800 SH   SOLE   84,800 0 0
Enphase Energy Inc Com 29355A107   6,055,661 22,855 SH   OTR 1 0 22,855 0
Enphase Energy Inc Com 29355A107   2,070,927 7,816 SH   SOLE   7,816 0 0
Entergy Corp New Com 29364G103   444,713 3,953 SH   OTR 1 0 3,953 0
Enterprise Prods Partners L Com 293792107   312,279,590 12,946,915 SH   OTR 1 0 12,946,915 0
Enterprise Prods Partners L Com 293792107   67,757,296 2,809,175 SH   SOLE   2,809,175 0 0
EOG Res Inc Com 26875P101   614,572 4,745 SH   OTR 1 0 4,745 0
Evergy Inc Com 30034W106   16,097,179 255,795 SH   OTR 1 0 255,795 0
Evergy Inc Com 30034W106   8,383,346 133,217 SH   SOLE   133,217 0 0
Eversource Energy Com 30040W108   38,913,414 464,139 SH   OTR 1 0 464,139 0
Eversource Energy Com 30040W108   7,631,536 91,025 SH   SOLE   91,025 0 0
Exelon Corp Com 30161N101   36,384,962 841,660 SH   OTR 1 0 841,660 0
Exelon Corp Com 30161N101   5,943,606 137,488 SH   SOLE   137,488 0 0
Exxon Mobile Corp Com 30231G102   1,726,967 15,657 SH   OTR 1 0 15,657 0
Exxon Mobile Corp Com 30231G102   2,164,638 19,625 SH   SOLE   19,625 0 0
Halliburton Co Com 406216101   948,532 24,105 SH   OTR 1 0 24,105 0
Halliburton Co Com 406216101   908,985 23,100 SH   SOLE   23,100 0 0
Hannon Armstrong Sust Infr C Com 41068X100   602,813 20,801 SH   OTR 1 0 20,801 0
Hannon Armstrong Sust Infr C Com 41068X100   2,368,535 81,730 SH   SOLE   81,730 0 0
Helmerich & Payne Inc Com 423452101   317,248 6,400 SH   SOLE   6,400 0 0
Hess Midstream LP CI A Shs 428103105   74,623,741 2,494,109 SH   OTR 1 0 2,494,109 0
Hess Midstream LP CI A Shs 428103105   23,740,952 793,481 SH   SOLE   793,481 0 0
Holly Energy Partners LP Com Ut Ltd Ptn 435763107   52,655,905 2,905,955 SH   OTR 1 0 2,905,955 0
Holly Energy Partners LP Com Ut Ltd Ptn 435763107   15,205,978 839,182 SH   SOLE   839,182 0 0
Idacorp Inc Com 451107106   49,470,471 458,697 SH   OTR 1 0 458,697 0
Idacorp Inc Com 451107106   9,247,706 85,746 SH   SOLE   85,746 0 0
Kimbell Rty Partners LP Unit 49435R102   380,510 22,785 SH   OTR 1 0 22,785 0
Kinder Morgan Inc Del Com 49456B101   120,135,200 6,644,646 SH   OTR 1 0 6,644,646 0
Kinder Morgan Inc Del Com 49456B101   15,300,580 846,271 SH   SOLE   846,271 0 0
Laredo Petroleum Inc Com 516806205   339,012 6,593 SH   OTR 1 0 6,593 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106   268,013,951 5,337,860 SH   OTR 1 0 5,337,860 0
Magellan Midstream Prtnrs LP Com Unit RP LP 559080106   64,389,555 1,282,405 SH   SOLE   1,282,405 0 0
MPLX LP Com Unit Rep Ltd 55336V100   102,719,940 3,127,891 SH   OTR 1 0 3,127,891 0
MPLX LP Com Unit Rep Ltd 55336V100   20,239,752 616,314 SH   SOLE   616,314 0 0
Nabors Industries Ltd Shs G6359F137   380,516 2,457 SH   OTR 1 0 2,457 0
Nabors Industries Ltd Shs G6359F137   278,766 1,800 SH   SOLE   1,800 0 0
National Fuel Gas Co Com 636180101   56,847,515 898,065 SH   OTR 1 0 898,065 0
National Fuel Gas Co Com 636180101   17,216,397 271,981 SH   SOLE   271,981 0 0
Natural Resources Partners L Com Unit Ltd Par 63900P608   276,920 5,097 SH   OTR 1 0 5,097 0
New Jersey Res Corp Com 646025106   15,549,668 313,375 SH   OTR 1 0 313,375 0
New Jersey Res Corp Com 646025106   4,636,989 93,450 SH   SOLE   93,450 0 0
NextEra Energy Inc Com 65339F101   41,699,596 498,799 SH   OTR 1 0 498,799 0
NextEra Energy Inc Com 65339F101   12,445,532 148,870 SH   SOLE   148,870 0 0
NextEra Energy Partners LP Com Unit Part In 65341B106   120,917,866 1,725,180 SH   OTR 1 0 1,725,180 0
NextEra Energy Partners LP Com Unit Part In 65341B106   29,393,083 419,362 SH   SOLE   419,362 0 0
NOV Inc Com 62955J103   407,961 19,529 SH   OTR 1 0 19,529 0
NOV Inc Com 62955J103   309,172 14,800 SH   SOLE   14,800 0 0
OGE Energy Corp Com 670837103   244,142 6,173 SH   OTR 1 0 6,173 0
OGE Energy Corp Com 670837103   1,572,113 39,750 SH   SOLE   39,750 0 0
One Gas Inc Com 68235P108   37,670,851 497,502 SH   OTR 1 0 497,502 0
One Gas Inc Com 68235P108   9,316,740 123,042 SH   SOLE   123,042 0 0
Oneok Inc Com 682680103   93,856,129 1,428,556 SH   OTR 1 0 1,428,556 0
Oneok Inc Com 682680103   12,899,407 196,338 SH   SOLE   196,338 0 0
Patterson-UTI Energy Inc Com 703481101   314,908 18,700 SH   SOLE   18,700 0 0
PDC Energy Inc Com 69327R101   189,488 2,985 SH   OTR 1 0 2,985 0
Pioneer Nat Res Co Com 723787107   581,253 2,545 SH   OTR 1 0 2,545 0
Pioneer Nat Res Co Com 723787107   7,994 35 SH   SOLE   35 0 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105   25,256,493 2,147,661 SH   OTR 1 0 2,147,661 0
Plains All Amern Pipeline L Unit Ltd Partn 726503105   10,076,732 856,865 SH   SOLE   856,865 0 0
Plains GP Hldgs LP Ltd Partnr Int A 72651A207   115,334,910 9,271,295 SH   OTR 1 0 9,271,295 0
Plains GP Hldgs LP Ltd Partnr Int A 72651A207   19,942,900 1,603,127 SH   SOLE   1,603,127 0 0
PPL Corp Com 69351T106   40,418,536 1,383,249 SH   OTR 1 0 1,383,249 0
PPL Corp Com 69351T106   15,410,307 527,389 SH   SOLE   527,389 0 0
Public SVC Enterprise Grp In Com 744573106   95,351,192 1,556,246 SH   OTR 1 0 1,556,246 0
Public SVC Enterprise Grp In Com 744573106   23,287,440 380,079 SH   SOLE   380,079 0 0
Quanta Svcs Inc Com 74762E102   101,367,090 711,348 SH   OTR 1 0 711,348 0
Quanta Svcs Inc Com 74762E102   36,126,030 253,516 SH   SOLE   253,516 0 0
Range Res Corp Com 75281A109   583,291 23,313 SH   OTR 1 0 23,313 0
Range Res Corp Com 75281A109   20,642 825 SH   SOLE   825 0 0
Schlumberger Ltd Com Stk 806857108   907,590 16,977 SH   OTR 1 0 16,977 0
Schlumberger Ltd Com Stk 806857108   1,111,968 20,800 SH   SOLE   20,800 0 0
Sempra Com 816851109   94,872,106 613,900 SH   OTR 1 0 613,900 0
Sempra Com 816851109   23,137,574 149,719 SH   SOLE   149,719 0 0
Shell PLC Spon ADS 780259305   20,825,533 365,681 SH   OTR 1 0 365,681 0
Shell PLC Spon ADS 780259305   10,727,672 188,370 SH   SOLE   188,370 0 0
SM Energy Co Com 78454L100   165,268 4,745 SH   OTR 1 0 4,745 0
Southern Co Com 842587107   79,204,973 1,109,158 SH   OTR 1 0 1,109,158 0
Southern Co Com 842587107   17,806,084 249,350 SH   SOLE   249,350 0 0
Southwestern Energy Co Com 845467109   568,298 97,145 SH   OTR 1 0 97,145 0
Southwestern Energy Co Com 845467109   9,799 1,675 SH   SOLE   1,675 0 0
Suburban Propane Partners L Unit Ltd Partn 864482104   6,960,030 458,500 SH   OTR 1 0 458,500 0
Targa Res Corp Com 87612G101   66,074,810 898,977 SH   OTR 1 0 898,977 0
Targa Res Corp Com 87612G101   23,961,368 326,005 SH   SOLE   326,005 0 0
TC Energy Corp Com 87807B107   39,027,325 979,110 SH   OTR 1 0 979,110 0
TC Energy Corp Com 87807B107   12,105,004 303,688 SH   SOLE   303,688 0 0
Tenaris S A Sponsored ADS 88031M109   485,524 13,809 SH   OTR 1 0 13,809 0
TotalEnergies SE Sponsored ADS 89151E109   26,333,901 424,193 SH   OTR 1 0 424,193 0
TotalEnergies SE Sponsored ADS 89151E109   11,841,760 190,750 SH   SOLE   190,750 0 0
UGI Corp New Com 902681105   9,302,309 250,939 SH   OTR 1 0 250,939 0
UGI Corp New Com 902681105   458,371 12,365 SH   SOLE   12,365 0 0
USA Compression Partners LP Comunit Ltdpar 90290N109   7,120,950 364,616 SH   OTR 1 0 364,616 0
USA Compression Partners LP Comunit Ltdpar 90290N109   1,931,517 98,900 SH   SOLE   98,900 0 0
WEC Energy Group Inc Com 92939U106   21,547,642 229,817 SH   OTR 1 0 229,817 0
WEC Energy Group Inc Com 92939U106   8,977,801 95,753 SH   SOLE   95,753 0 0
Western Midstream Partners L Com Unit LP Int 958669103   12,071,438 449,588 SH   OTR 1 0 449,588 0
Western Midstream Partners L Com Unit LP Int 958669103   1,801,635 67,100 SH   SOLE   67,100 0 0
Westlake Chem Partners LP Com Unit RP LP 960417103   44,450,297 1,891,502 SH   OTR 1 0 1,891,502 0
Westlake Chem Partners LP Com Unit RP LP 960417103   13,846,858 589,228 SH   SOLE   589,228 0 0
Williams Cos Inc Com 969457100   127,310,728 3,869,627 SH   OTR 1 0 3,869,627 0
Williams Cos Inc Com 969457100   18,791,361 571,166 SH   SOLE   571,166 0 0
Xcel Energy Inc Com 98389B100   26,058,485 371,680 SH   OTR 1 0 371,680 0
Xcel Energy Inc Com 98389B100   10,693,177 152,520 SH   SOLE   152,520 0 0