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
GASLOG LTD SHS G37585109 4,079 416,692 SH   SOLE 0 416,692 0 0
TECHNIPFMC PLC COM G87110105 1,350 62,963 SH   SOLE 0 62,963 0 0
TRANSOCEAN LTD REG SHS H8817H100 543 78,940 SH   SOLE 0 78,940 0 0
GASLOG PARTNERS LP UNIT LTD PTNRP Y2687W108 1,065 68,116 SH   SOLE 0 68,116 0 0
ALTUS MIDSTREAM CO CL A 02215L100 6,581 2,301,143 SH   SOLE 0 2,301,143 0 0
ANTERO MIDSTREAM CORP COM 03676B102 62,270 8,204,261 SH   SOLE 0 8,204,261 0 0
APACHE CORP COM 037411105 834 32,573 SH   SOLE 0 32,573 0 0
ARCHROCK INC COM 03957W106 6,951 692,319 SH   SOLE 0 692,319 0 0
BP MIDSTREAM PARTNERS LP UNIT LTD PTNR 0556EL109 13,880 889,151 SH   SOLE 0 889,151 0 0
BAKER HUGHES COMPANY CL A 05722G100 1,034 40,330 SH   SOLE 0 40,330 0 0
CNX MIDSTREAM PARTNERS LP COM UNIT REPST 12654A101 1,398 84,922 SH   SOLE 0 84,922 0 0
CABOT OIL GAS CORP COM 127097103 677 38,880 SH   SOLE 0 38,880 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 443 11,134 SH   SOLE 0 11,134 0 0
CHENIERE ENERGY INC COM NEW 16411R208 222,382 3,641,429 SH   SOLE 0 3,641,429 0 0
CIMAREX ENERGY CO COM 171798101 1,092 20,800 SH   SOLE 0 20,800 0 0
CONCHO RES INC COM 20605P101 1,074 12,260 SH   SOLE 0 12,260 0 0
CONOCOPHILLIPS COM 20825C104 1,224 18,818 SH   SOLE 0 18,818 0 0
CONTINENTAL RESOURCES INC COM 212015101 1,004 29,270 SH   SOLE 0 29,270 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 19,270 625,248 SH   SOLE 0 625,248 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 18,690 763,184 SH   SOLE 0 763,184 0 0
DELEK LOGISTICS PARTNERS LP COM UNT RP INT 24664T103 124 3,866 SH   SOLE 0 3,866 0 0
DEVON ENERGY CORP NEW COM 25179M103 1,149 44,251 SH   SOLE 0 44,251 0 0
DIAMONDBACK ENERGY INC COM 25278X109 1,747 18,812 SH   SOLE 0 18,812 0 0
EQM MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 4,002 133,791 SH   SOLE 0 133,791 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 11,377 1,134,308 SH   SOLE 0 1,134,308 0 0
ENBRIDGE INC COM 29250N105 304,773 7,586,552 SH   SOLE 0 7,586,552 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 277,803 21,652,642 SH   SOLE 0 21,652,642 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 53,480 8,724,235 SH   SOLE 0 8,724,235 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 308,764 10,964,624 SH   SOLE 0 10,964,624 0 0
ENVIVA PARTNERS LP COM UNIT 29414J107 270 7,243 SH   SOLE 0 7,243 0 0
EQUITRANS MIDSTREAM CORPORAT COM 294600101 50,768 3,800,008 SH   SOLE 0 3,800,008 0 0
EXXON MOBIL CORP COM 30231G102 1,187 17,008 SH   SOLE 0 17,008 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 73,150 3,571,773 SH   SOLE 0 3,571,773 0 0
GLOBAL X FDS GLB X MLP ENRG I 37950E226 761 61,960 SH   SOLE 0 61,960 0 0
HALLIBURTON CO COM 406216101 891 36,427 SH   SOLE 0 36,427 0 0
HESS CORP COM 42809H107 751 11,243 SH   SOLE 0 11,243 0 0
HESS MIDSTREAM LP CL A SHS 428103105 200 8,823 SH   SOLE 0 8,823 0 0
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 435763107 2,342 105,753 SH   SOLE 0 105,753 0 0
JPMORGAN CHASE CO ALERIAN ML ETN 46625H365 2,199 100,834 SH   SOLE 0 100,834 0 0
KINDER MORGAN INC DEL COM 49456B101 262,624 12,405,466 SH   SOLE 0 12,405,466 0 0
MPLX LP COM UNIT REP LTD 55336V100 84,553 3,320,999 SH   SOLE 0 3,320,999 0 0
MACQUARIE INFRASTRUCTURE COR COM 55608B105 21,759 507,904 SH   SOLE 0 507,904 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 101,566 1,615,497 SH   SOLE 0 1,615,497 0 0
MARATHON OIL CORP COM 565849106 1,368 100,750 SH   SOLE 0 100,750 0 0
MARATHON PETE CORP COM 56585A102 1,683 27,929 SH   SOLE 0 27,929 0 0
MARTIN MIDSTREAM PRTNRS L P UNIT L P INT 573331105 56 13,826 SH   SOLE 0 13,826 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 47,161 4,158,828 SH   SOLE 0 4,158,828 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 5,138 97,584 SH   SOLE 0 97,584 0 0
NOBLE ENERGY INC COM 655044105 1,367 55,035 SH   SOLE 0 55,035 0 0
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 37,636 1,537,738 SH   SOLE 0 1,537,738 0 0
ONEOK INC NEW COM 682680103 190,059 2,511,678 SH   SOLE 0 2,511,678 0 0
PBF ENERGY INC CL A 69318G106 1,320 42,077 SH   SOLE 0 42,077 0 0
PARSLEY ENERGY INC CL A 701877102 1,829 96,745 SH   SOLE 0 96,745 0 0
PEMBINA PIPELINE CORP COM 706327103 238,207 6,358,257 SH   SOLE 0 6,358,257 0 0
PHILLIPS 66 COM 718546104 879 7,890 SH   SOLE 0 7,890 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 28,779 466,894 SH   SOLE 0 466,894 0 0
PIONEER NAT RES CO COM 723787107 1,559 10,301 SH   SOLE 0 10,301 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 104,009 5,655,712 SH   SOLE 0 5,655,712 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 52,539 2,772,493 SH   SOLE 0 2,772,493 0 0
RATTLER MIDSTREAM LP COM UNITS 75419T103 35,495 1,995,230 SH   SOLE 0 1,995,230 0 0
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 1,221 20,710 SH   SOLE 0 20,710 0 0
SCHLUMBERGER LTD COM 806857108 896 22,290 SH   SOLE 0 22,290 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 22,679 1,122,186 SH   SOLE 0 1,122,186 0 0
SOLARIS OILFIELD INFRSTR INC COM CL A 83418M103 499 35,667 SH   SOLE 0 35,667 0 0
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 625 188,901 SH   SOLE 0 188,901 0 0
SUNOCO LP COM UT REP LP 86765K109 1,830 59,801 SH   SOLE 0 59,801 0 0
TC PIPELINES LP UT COM LTD PRT 87233Q108 496 11,728 SH   SOLE 0 11,728 0 0
TARGA RES CORP COM 87612G101 159,637 3,909,804 SH   SOLE 0 3,909,804 0 0
TC ENERGY CORP COM 87807B107 274,561 5,082,875 SH   SOLE 0 5,082,875 0 0
TELLURIAN INC NEW COM 87968A104 167 22,878 SH   SOLE 0 22,878 0 0
USA COMPRESSION PARTNERS LP COMUNIT LTDPAR 90290N109 1,295 71,370 SH   SOLE 0 71,370 0 0
VALERO ENERGY CORP NEW COM 91913Y100 1,147 12,249 SH   SOLE 0 12,249 0 0
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 51,887 2,635,205 SH   SOLE 0 2,635,205 0 0
WESTLAKE CHEM PARTNERS LP COM UNIT RP LP 960417103 1,558 58,967 SH   SOLE 0 58,967 0 0
WILLIAMS COS INC DEL COM 969457100 311,517 13,133,101 SH   SOLE 0 13,133,101 0 0
WPX ENERGY INC COM 98212B103 1,844 134,171 SH   SOLE 0 134,171 0 0