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
ANTERO MIDSTREAM PARTNERS LP UNIT LTD PARTN 03673L103 216,381 7,549,920 SH   SOLE 0 7,549,920 0 0
ANTERO MIDSTREAM GP LP COM SHS REPSTG 03675Y103 120,369 7,114,019 SH   SOLE 0 7,114,019 0 0
ANDEAVOR LOGISTICS LP COM UNIT LP INT 03350F106 535,909 11,036,008 SH   SOLE 0 11,036,008 0 0
ARCHROCK INC COM 03957W106 125,033 10,248,620 SH   SOLE 0 10,248,620 0 0
BUCKEYE PARTNERS LP UNIT LTD PARTN 118230101 100,812 2,823,081 SH   SOLE 0 2,823,081 0 0
BP MIDSTREAM PARTNERS LP UNIT LTD PTNR 0556EL109 78,300 4,164,870 SH   SOLE 0 4,164,870 0 0
CHENIERE ENERGY INC COM NEW 16411R208 284,611 4,095,706 SH   SOLE 0 4,095,706 0 0
CROSSAMERICA PARTNERS LP UT LTD PTN INT 22758A105 49,544 2,737,250 SH   SOLE 0 2,737,250 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 146,850 3,995,913 SH   SOLE 0 3,995,913 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 472,716 11,940,276 SH   SOLE 0 11,940,276 0 0
ENBRIDGE ENERGY PARTNERS LP COM 29250R106 26,299 2,393,002 SH   SOLE 0 2,393,002 0 0
ENBRIDGE ENERGY MANAGEMENT L SHS UNITS LLI 29250X103 2,949 270,034 SH   SOLE 0 270,034 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 99,064 5,882,681 SH   SOLE 0 5,882,681 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 165,708 8,889,897 SH   SOLE 0 8,889,897 0 0
ENTERPRISE PRODUCTS PARTNERS L COM 293792107 1,394,663 48,543,792 SH   SOLE 0 48,543,792 0 0
EQM MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 80,015 1,516,001 SH   SOLE 0 1,516,001 0 0
ENERGY TRANSFER EQUITY LP COM UT LTD PTN 29273V100 876,545 50,289,452 SH   SOLE 0 50,289,452 0 0
ENERGY TRANSFER PARTNERS LP UNIT LTD PRT INT 29278N103 1,329,426 59,722,661 SH   SOLE 0 59,722,661 0 0
GENESIS ENERGY L.P. UNIT LTD PARTN 371927104 141,567 5,953,183 SH   SOLE 0 5,953,183 0 0
HESS MIDSTREAM PARTNERS LP UNIT LTD PR INT 428104103 71,650 3,141,164 SH   SOLE 0 3,141,164 0 0
MAGELLAN MIDSTREAM PARTNERS LP COM UNIT RP LP 559080106 493,935 7,293,783 SH   SOLE 0 7,293,783 0 0
MPLX LP COM UNIT REP LTD 55336V100 382,288 11,023,297 SH   SOLE 0 11,023,297 0 0
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 94,253 2,661,753 SH   SOLE 0 2,661,753 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 116,480 10,041,384 SH   SOLE 0 10,041,384 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 244,992 8,812,656 SH   SOLE 0 8,812,656 0 0
ONEOK INC NEW COM 682680103 250,648 3,697,414 SH   SOLE 0 3,697,414 0 0
OASIS MIDSTREAM PARTNERS LP COM UNITS REPS 67420T206 19,649 882,302 SH   SOLE 0 882,302 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 1,062,165 42,469,632 SH   SOLE 0 42,469,632 0 0
PBF LOGISTICS LP UNIT LTD PTNR 69318Q104 31,991 1,484,518 SH   SOLE 0 1,484,518 0 0
SEMGROUP CORP CL A 81663A105 123,283 5,591,077 SH   SOLE 0 5,591,077 0 0
SHELL MIDSTREAM PARTNERS LP UNIT LTD INT 822634101 10,905 510,057 SH   SOLE 0 510,057 0 0
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 31,603 2,210,024 SH   SOLE 0 2,210,024 0 0
TARGA RES CORP COM 87612G101 744,289 13,217,702 SH   SOLE 0 13,217,702 0 0
USA COMPRESSION PARTNERS LP COMUNIT LTDPAR 90290N109 35,292 2,137,635 SH   SOLE 0 2,137,635 0 0
WESTLAKE CHEM PARTNERS LP COM UNIT RP LP 960417103 42,734 1,716,216 SH   SOLE 0 1,716,216 0 0
WILLIAMS COS INC DEL COM 969457100 1,132,270 41,642,869 SH   SOLE 0 41,642,869 0 0