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
ALCOA CORP COM 013872106 1,817 68,366 SH   SOLE   68,366 0 0
ANADARKO PETE CORP COM 032511107 2,059 46,959 SH   SOLE   46,959 0 0
ANDEAVOR LOGISTICS LP COM UNIT LP INT 03350F106 1,456 44,803 SH   SOLE   44,803 0 0
ANTERO MIDSTREAM GP LP COM SHS REPSTG 03675Y103 2,042 182,676 SH   SOLE   182,676 0 0
ANTERO MIDSTREAM PARTNERS LP UNT LTD PARTN 03673L103 1,156 54,035 SH   SOLE   54,035 0 0
ANTERO RES CORP COM 03674X106 1,626 173,190 SH   SOLE   173,190 0 0
BP MIDSTREAM PARTNERS LP UNIT LTD PTNR 0556EL109 1,449 95,010 SH   SOLE   95,010 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 687 23,691 SH   SOLE   23,691 0 0
CALLON PETE CO DEL COM 13123X102 1,207 186,022 SH   SOLE   186,022 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 2,287 63,343 SH   SOLE   63,343 0 0
CNX MIDSTREAM PARTNERS LP COM UNIT REPST 12654A101 3,951 242,695 SH   SOLE   242,695 0 0
CONCHO RES INC COM 20605P101 886 8,618 SH   SOLE   8,618 0 0
CONTINENTAL RESOURCES INC COM 212015101 1,665 41,440 SH   SOLE   41,440 0 0
DELEK US HLDGS INC NEW COM 24665A103 2,202 67,732 SH   SOLE   67,732 0 0
DIAMONDBACK ENERGY INC COM 25278X109 2,445 26,379 SH   SOLE   26,379 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 12,870 974,270 SH   SOLE   974,270 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 2,406 225,100 SH   SOLE   225,100 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 10,044 414,907 SH   SOLE   414,907 0 0
HALLIBURTON CO COM 406216101 1,662 62,534 SH   SOLE   62,534 0 0
HESS MIDSTREAM PARTNERS LP UNIT LTD PR INT 428104103 1,614 95,059 SH   SOLE   95,059 0 0
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 435763107 2,572 90,073 SH   SOLE   90,073 0 0
HUNTSMAN CORP COM 447011107 2,347 121,679 SH   SOLE   121,679 0 0
KINDER MORGAN INC DEL COM 49456B101 4,469 293,860 SH   SOLE   293,860 0 0
KNIGHT SWIFT TRANSN HLDGS IN CL A 499049104 1,861 74,248 SH   SOLE   74,248 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 4,550 79,735 SH   SOLE   79,735 0 0
MARATHON OIL CORP COM 565849106 1,935 134,923 SH   SOLE   134,923 0 0
MARATHON PETE CORP COM 56585A102 1,857 31,465 SH   SOLE   31,465 0 0
MPLX LP COM UNIT REP LTD 55336V100 5,806 191,627 SH   SOLE   191,627 0 0
MRC GLOBAL INC COM 55345K103 1,425 116,479 SH   SOLE   116,479 0 0
NEWFIELD EXPL CO COM 651290108 1,268 86,472 SH   SOLE   86,472 0 0
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 1,129 39,152 SH   SOLE   39,152 0 0
NUTRIEN LTD COM 67077M108 2,251 47,904 SH   SOLE   47,904 0 0
OCCIDENTAL PETE CORP DEL COM 674599105 2,299 37,456 SH   SOLE   37,456 0 0
ONEOK INC NEW COM 682680103 584 10,983 SH   SOLE   10,983 0 0
PARSLEY ENERGY INC CL A 701877102 2,320 145,156 SH   SOLE   145,156 0 0
PATTERSON UTI ENERGY INC COM 703481101 1,891 182,664 SH   SOLE   182,664 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 3,671 87,177 SH   SOLE   87,177 0 0
PIONEER NAT RES CO COM 723787107 2,300 17,491 SH   SOLE   17,491 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 5,784 292,395 SH   SOLE   292,395 0 0
PROPETRO HLDG CORP COM 74347M108 1,954 158,642 SH   SOLE   158,642 0 0
QUANTA SVCS INC COM 74762E102 2,408 80,004 SH   SOLE   80,004 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 3,912 238,410 SH   SOLE   238,410 0 0
SOLARIS OILFIELD INFRSTR INC COM CL A 83418M103 1,982 163,900 SH   SOLE   163,900 0 0
SUMMIT MATLS INC CL A 86614U100 981 79,093 SH   SOLE   79,093 0 0
TALLGRASS ENERGY LP CLASS A SHS 874696107 653 27,404 SH   SOLE   27,404 0 0
TARGA RES CORP COM 87612G101 7,030 199,322 SH   SOLE   199,322 0 0
TELLURIAN INC NEW COM 87968A104 651 93,725 SH   SOLE   93,725 0 0
TIMKEN CO COM 887389104 2,377 63,696 SH   SOLE   63,696 0 0
UBS AG LONDON BRH ETRACS NYSE 90274E257 1,011 52,496 SH   SOLE   52,496 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 2,301 54,484 SH   SOLE   54,484 0 0
WILLIAMS COS INC DEL COM 969457100 10,083 457,297 SH   SOLE   457,297 0 0
WPX ENERGY INC COM 98212B103 2,296 202,256 SH   SOLE   202,256 0 0