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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
ALTUS MIDSTREAM CO CL A 02215L100 580 205,000 SH   SOLE   205,000 0 0
ANTERO MIDSTREAM CORP COM 03676B102 185,182 25,024,533 SH   SOLE   25,024,533 0 0
ANTERO RES CORP COM 03674X106 38,714 12,819,247 SH   SOLE   12,819,247 0 0
ARCHROCK INC COM 03957W106 97,989 9,828,338 SH   SOLE   9,828,338 0 0
BP MIDSTREAM PARTNERS LP UNIT LTD PTNR 0556EL109 695 47,581 SH   SOLE   47,581 0 0
BUCKEYE PARTNERS LP UNIT LTD PARTN 118230101 251,995 6,132,767 SH   SOLE   6,132,767 0 0
CHENIERE ENERGY INC COM NEW 16411R208 403,896 6,404,953 SH   SOLE   6,404,953 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 13,190 290,023 SH   SOLE   290,023 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 119,612 3,276,142 SH   SOLE   3,276,142 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 153,622 5,861,180 SH   SOLE   5,861,180 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 60,207 5,004,719 SH   SOLE   5,004,719 0 0
ENBRIDGE INC COM 29250N105 437,001 12,457,256 SH   SOLE   12,457,256 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 1,420,506 108,601,360 SH   SOLE   108,601,360 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 1,464,099 51,228,088 SH   SOLE   51,228,088 0 0
EQM MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 81,888 2,504,224 SH   SOLE   2,504,224 0 0
EQUITRANS MIDSTREAM CORPORAT COM 294600101 78,660 5,406,159 SH   SOLE   5,406,159 0 0
GENESIS ENERGY LP UNIT LTD PARTN 371927104 6,809 317,150 SH   SOLE   317,150 0 0
KINDER MORGAN INC DEL COM 49456B101 406,058 19,701,989 SH   SOLE   19,701,989 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 325,502 4,911,762 SH   SOLE   4,911,762 0 0
MARATHON PETE CORP COM 56585A102 72,652 1,195,923 SH   SOLE   1,195,923 0 0
MPLX LP COM UNIT REP LTD 55336V100 776,390 27,718,313 SH   SOLE   27,718,313 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 41,337 2,971,721 SH   SOLE   2,971,721 0 0
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 44,924 1,862,522 SH   SOLE   1,862,522 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 332,611 11,744,726 SH   SOLE   11,744,726 0 0
ONEOK INC NEW COM 682680103 218,078 2,959,401 SH   SOLE   2,959,401 0 0
PEMBINA PIPELINE CORP COM 706327103 203,514 5,490,005 SH   SOLE   5,490,005 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 72,459 1,279,734 SH   SOLE   1,279,734 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 854,595 41,185,316 SH   SOLE   41,185,316 0 0
SEMGROUP CORP CL A 81663A105 735 45,000 SH   SOLE   45,000 0 0
TARGA RES CORP COM 87612G101 552,841 13,762,525 SH   SOLE   13,762,525 0 0
TC ENERGY CORP COM 87807B107 137,388 2,652,786 SH   SOLE   2,652,786 0 0
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 171,732 6,899,626 SH   SOLE   6,899,626 0 0
WILLIAMS COS INC DEL COM 969457100 552,310 22,955,543 SH   SOLE   22,955,543 0 0