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
ALON USA PARTNERS LP COM 02052T109 170 10,000 SH   SOLE   10,000 0 0
ANTERO MIDSTREAM PARTNERS LP COM 03673L103 2 80 SH   SOLE   80 0 0
AMERICAN MIDSTREAM PARTNERS COM 02752P100 401 30,000 SH   SOLE   30,000 0 0
ALERIAN MLP ETF COM 00162Q866 20,391 1,889,768 SH   SOLE   1,889,768 0 0
ANDEAVOR LOGISTICS LP COM 03350F106 267,118 5,783,028 SH   SOLE   5,189,405 0 593,623
BUCKEYE PARTNERS LP COM 118230101 177,382 3,579,851 SH   SOLE   3,196,351 0 383,500
BOARDWALK PIPELINE PARTNERS COM 096627104 18,060 1,398,908 SH   SOLE   714,666 0 684,242
CRESTWOOD EQUITY PARTNERS LP COM 226344208 29,801 1,155,075 SH   SOLE   1,155,075 0 0
DCP MIDSTREAM LP COM 23311P100 105,781 2,911,680 SH   SOLE   2,911,680 0 0
DOMINION ENERGY MIDSTREAM PA COM 257454108 18,956 622,542 SH   SOLE   316,190 0 306,352
ENBRIDGE ENERGY PARTNERS LP COM 29250R106 69,392 5,024,747 SH   SOLE   4,377,060 0 647,687
ENBRIDGE ENERGY MANAGEMENT L COM 29250X103 16,988 1,268,745 SH   SOLE   1,268,745 0 0
FT NORTH AMERICAN ENERGY INFRASTRUCTURE ETF COM 33738D101 98 3,985 SH   SOLE   3,985 0 0
ENABLE MIDSTREAM PARTNERS LP COM 292480100 22,576 1,587,603 SH   SOLE   1,587,603 0 0
ENLINK MIDSTREAM PARTNERS LP COM 29336U107 203,363 13,231,148 SH   SOLE   12,337,704 0 893,444
ENTERPRISE PRODUCTS PARTNERS COM 293792107 227,048 8,564,621 SH   SOLE   7,661,663 0 902,958
EQT MIDSTREAM PARTNERS LP COM 26885B100 57,976 793,108 SH   SOLE   596,744 0 196,364
ENERGY TRANSFER EQUITY PARTNERS LP COM 29273V100 19 1,120 SH   SOLE   1,120 0 0
ENERGY TRANSFER PARTNERS LP COM 29278N103 267,503 14,927,619 SH   SOLE   13,312,900 0 1,614,719
HESS MIDSTREAM PARTNERS LP COM 428104103 693 34,963 SH   SOLE   34,963 0 0
KINDER MORGAN INC COM 49456B101 27 1,498 SH   SOLE   1,498 0 0
MARTIN MIDSTREAM PARTNERS LP COM 573331105 27,550 1,967,867 SH   SOLE   1,967,867 0 0
MAGELLAN MIDSTREAM PARTNERS COM 559080106 138,453 1,951,693 SH   SOLE   1,744,856 0 206,837
MPLX LP COM 55336V100 268,698 7,575,351 SH   SOLE   6,791,464 0 783,887
NOBLE MIDSTREAM PARTNERS LP COM 65506L105 1,626 32,527 SH   SOLE   32,527 0 0
NUSTAR ENERGY LP COM 67058H102 148,684 4,964,409 SH   SOLE   4,657,184 0 307,225
NUSTAR GP HOLDINGS LLC COM 67059L102 37,151 2,366,294 SH   SOLE   1,739,757 0 626,537
ONEOK INC COM 682680103 88,751 1,660,454 SH   SOLE   1,483,097 0 177,357
PLAINS ALL AMER PIPELINE LP COM 726503105 137,648 6,668,977 SH   SOLE   5,734,417 0 934,560
PLAINS GP HOLDINGS LP-CL A COM 72651A207 42,264 1,925,448 SH   SOLE   1,925,448 0 0
PHILLIPS 66 PARTNERS LP COM 718549207 82,214 1,570,473 SH   SOLE   1,190,436 0 380,037
SEMGROUP CORP-CLASS A COM 81663A105 37,052 1,226,875 SH   SOLE   887,698 0 339,177
SPECTRA ENERGY PARTNERS LP COM 84756N109 208,296 5,267,983 SH   SOLE   4,705,983 0 562,000
SHELL MIDSTREAM PARTNERS LP COM 822634101 19,949 668,996 SH   SOLE   331,194 0 337,802
SUMMIT MIDSTREAM PARTNERS LP COM 866142102 29,625 1,445,112 SH   SOLE   1,445,112 0 0
SOUTHCROSS ENERGY PARTNERS L COM 84130C100 357 211,000 SH   SOLE   211,000 0 0
TC PIPELINES LP COM 87233Q108 191,313 3,602,873 SH   SOLE   3,157,062 0 445,811
TARGA RESOURCES CORP COM 87612G101 232,758 4,807,056 SH   SOLE   4,300,537 0 506,519
USA COMPRESSION PARTNERS LP COM 90290N109 29,038 1,755,626 SH   SOLE   1,755,626 0 0
USD PARTNERS LP COM 903318103 10,893 968,235 SH   SOLE   968,235 0 0
VALERO ENERGY PARTNERS LP COM 91914J102 20,108 451,855 SH   SOLE   226,563 0 225,292
WESTERN GAS PARTNERS LP COM 958254104 205,747 4,278,382 SH   SOLE   3,980,507 0 297,875
WESTERN GAS EQUITY PARTNERS COM 95825R103 28,005 753,621 SH   SOLE   368,230 0 385,391
WILLIAMS CO INC COM 969457100 47 1,554 SH   SOLE   1,554 0 0
WILLIAMS PARTNERS LP COM 96949L105 226,738 5,846,768 SH   SOLE   5,227,648 0 619,120