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 3,402 264,724 SH   SOLE 0 264,724 0 0
TECHNIPFMC PLC COM G87110105 1,421 58,880 SH   SOLE 0 58,880 0 0
TRANSOCEAN LTD REG SHS H8817H100 388 86,780 SH   SOLE 0 86,780 0 0
GASLOG PARTNERS LP UNIT LTD PTNRP Y2687W108 2,298 121,064 SH   SOLE 0 121,064 0 0
GOLAR LNG PARTNERS LP COM UNIT LPI Y2745C102 272 28,400 SH   SOLE 0 28,400 0 0
ALTUS MIDSTREAM CO CL A 02215L100 3,573 1,262,481 SH   SOLE 0 1,262,481 0 0
ANTERO MIDSTREAM CORP COM 03676B102 55,010 7,433,786 SH   SOLE 0 7,433,786 0 0
BP MIDSTREAM PARTNERS LP UNIT LTD PTNR 0556EL109 24,585 1,683,884 SH   SOLE 0 1,683,884 0 0
BAKER HUGHES A GE CO CL A 05722G100 1,033 44,532 SH   SOLE 0 44,532 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 403 9,800 SH   SOLE 0 9,800 0 0
CNX MIDSTREAM PARTNERS LP COM UNIT REPST 12654A101 160 11,320 SH   SOLE 0 11,320 0 0
CABOT OIL GAS CORP COM 127097103 755 42,990 SH   SOLE 0 42,990 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 796 17,507 SH   SOLE 0 17,507 0 0
CHENIERE ENERGY INC COM NEW 16411R208 197,907 3,138,391 SH   SOLE 0 3,138,391 0 0
CIMAREX ENERGY CO COM 171798101 1,098 22,900 SH   SOLE 0 22,900 0 0
CONCHO RES INC COM 20605P101 769 11,327 SH   SOLE 0 11,327 0 0
CONOCOPHILLIPS COM 20825C104 1,184 20,773 SH   SOLE 0 20,773 0 0
CONTINENTAL RESOURCES INC COM 212015101 995 32,320 SH   SOLE 0 32,320 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 5,527 151,391 SH   SOLE 0 151,391 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 2,167 82,697 SH   SOLE 0 82,697 0 0
DEVON ENERGY CORP NEW COM 25179M103 1,570 65,260 SH   SOLE 0 65,260 0 0
DIAMONDBACK ENERGY INC COM 25278X109 1,606 17,860 SH   SOLE 0 17,860 0 0
EQT CORP COM 26884L109 428 40,250 SH   SOLE 0 40,250 0 0
EQM MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 11,785 360,407 SH   SOLE 0 360,407 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 4,812 400,037 SH   SOLE 0 400,037 0 0
ENBRIDGE INC COM 29250N105 350,202 9,975,748 SH   SOLE 0 9,975,748 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 316,525 24,199,135 SH   SOLE 0 24,199,135 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 34,463 4,054,478 SH   SOLE 0 4,054,478 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 382,044 13,367,526 SH   SOLE 0 13,367,526 0 0
ENVIVA PARTNERS LP COM UNIT 29414J107 231 7,243 SH   SOLE 0 7,243 0 0
EQUITRANS MIDSTREAM CORPORAT COM 294600101 19,971 1,372,545 SH   SOLE 0 1,372,545 0 0
EXXON MOBIL CORP COM 30231G102 1,326 18,784 SH   SOLE 0 18,784 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 63,037 2,936,051 SH   SOLE 0 2,936,051 0 0
HALLIBURTON CO COM 406216101 972 51,570 SH   SOLE 0 51,570 0 0
HESS CORP COM 42809H107 897 14,825 SH   SOLE 0 14,825 0 0
JPMORGAN CHASE CO ALERIAN ML ETN 46625H365 2,241 96,305 SH   SOLE 0 96,305 0 0
KINDER MORGAN INC DEL COM 49456B101 242,989 11,789,876 SH   SOLE 0 11,789,876 0 0
MPLX LP COM UNIT REP LTD 55336V100 154,378 5,511,535 SH   SOLE 0 5,511,535 0 0
MACQUARIE INFRASTRUCTURE COR COM 55608B105 29,317 742,766 SH   SOLE 0 742,766 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 103,460 1,561,184 SH   SOLE 0 1,561,184 0 0
MARATHON OIL CORP COM 565849106 1,366 111,350 SH   SOLE 0 111,350 0 0
MARATHON PETE CORP COM 56585A102 1,873 30,832 SH   SOLE 0 30,832 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 55,377 3,981,093 SH   SOLE 0 3,981,093 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 10,434 197,456 SH   SOLE 0 197,456 0 0
NOBLE ENERGY INC COM 655044105 1,191 53,020 SH   SOLE 0 53,020 0 0
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 25,943 1,075,588 SH   SOLE 0 1,075,588 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 269 9,495 SH   SOLE 0 9,495 0 0
ONEOK INC NEW COM 682680103 181,028 2,456,619 SH   SOLE 0 2,456,619 0 0
PBF ENERGY INC CL A 69318G106 941 34,604 SH   SOLE 0 34,604 0 0
PARSLEY ENERGY INC CL A 701877102 1,556 92,615 SH   SOLE 0 92,615 0 0
PEMBINA PIPELINE CORP COM 706327103 293,210 7,902,159 SH   SOLE 0 7,902,159 0 0
PHILLIPS 66 COM 718546104 892 8,709 SH   SOLE 0 8,709 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 43,595 769,960 SH   SOLE 0 769,960 0 0
PIONEER NAT RES CO COM 723787107 1,431 11,377 SH   SOLE 0 11,377 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 173,169 8,345,473 SH   SOLE 0 8,345,473 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 66,340 3,124,812 SH   SOLE 0 3,124,812 0 0
PROPETRO HLDG CORP COM 74347M108 536 58,950 SH   SOLE 0 58,950 0 0
RATTLER MIDSTREAM LP COM UNITS 75419T103 36,430 2,044,350 SH   SOLE 0 2,044,350 0 0
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 1,347 22,890 SH   SOLE 0 22,890 0 0
SCHLUMBERGER LTD COM 806857108 836 24,470 SH   SOLE 0 24,470 0 0
SEMGROUP CORP CL A 81663A105 1,112 68,043 SH   SOLE 0 68,043 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 47,259 2,310,957 SH   SOLE 0 2,310,957 0 0
SOLARIS OILFIELD INFRSTR INC COM CL A 83418M103 529 39,387 SH   SOLE 0 39,387 0 0
SUNOCO LP COM UT REP LP 86765K109 1,881 59,801 SH   SOLE 0 59,801 0 0
TALLGRASS ENERGY LP CLASS A SHS 874696107 13,437 667,187 SH   SOLE 0 667,187 0 0
TARGA RES CORP COM 87612G101 150,369 3,743,306 SH   SOLE 0 3,743,306 0 0
TC ENERGY CORP COM 87807B107 233,310 4,499,429 SH   SOLE 0 4,499,429 0 0
TELLURIAN INC NEW COM 87968A104 1,945 233,942 SH   SOLE 0 233,942 0 0
UGI CORP NEW COM 902681105 2,207 43,905 SH   SOLE 0 43,905 0 0
USA COMPRESSION PARTNERS LP COMUNIT LTDPAR 90290N109 2,026 117,325 SH   SOLE 0 117,325 0 0
UNITED STATES OIL FUND LP UNITS 91232N108 329 29,012 SH   SOLE 0 29,012 0 0
VALERO ENERGY CORP NEW COM 91913Y100 1,153 13,522 SH   SOLE 0 13,522 0 0
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 25,940 1,042,169 SH   SOLE 0 1,042,169 0 0
WESTLAKE CHEM PARTNERS LP COM UNIT RP LP 960417103 1,903 81,901 SH   SOLE 0 81,901 0 0
WILLIAMS COS INC DEL COM 969457100 325,744 13,538,804 SH   SOLE 0 13,538,804 0 0
WPX ENERGY INC COM 98212B103 1,569 148,184 SH   SOLE 0 148,184 0 0