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
ANADARKO PETRO 7.5 percent UNIT 99/99/9999 032511404 14,980 365,204 SH   SOLE   365,204 0 0
ALERIAN MLP ETF COM 00162Q866 3 80 SH   SOLE   80 0 0
ANTERO MIDSTREAM PARTNERS LP COM 03673L103 1,030 86,139 SH   SOLE   86,139 0 0
BUCKEYE PARTNERS LP COM 118230101 195,903 3,064,343 SH   SOLE   2,718,721 0 345,622
BOARDWALK PIPELINE PARTNERS LP COM 096627104 19 1,059 SH   SOLE   1,059 0 0
CRESTWOOD EQUITY PARTNERS LP COM 226344208 62,479 2,658,700 SH   SOLE   2,658,700 0 0
DCP MIDSTREAM LP COM 23311P100 113,213 3,346,516 SH   SOLE   3,346,516 0 0
DOMINION ENERGY MIDSTREAM PA COM 257454108 24,887 862,620 SH   SOLE   475,629 0 386,991
ENBRIDGE ENERGY PARTNERS LP COM 29250R106 96,108 6,006,780 SH   SOLE   5,336,726 0 670,054
ENABLE MIDSTREAM PARTNERS LP COM 292480100 30,534 1,915,543 SH   SOLE   1,915,543 0 0
ENLINK MIDSTREAM PARTNERS LP COM 29336U107 230,031 13,563,168 SH   SOLE   12,557,986 0 1,005,182
ENTERPRISE PRODUCTS PARTNERS COM 293792107 303,575 11,210,290 SH   SOLE   9,661,848 0 1,548,442
EQT GP HLDGS LP COM COM 26885J103 22 733 SH   SOLE   733 0 0
ENERGY TRANSFER PARTNERS LP COM 29278N103 293,109 14,375,138 SH   SOLE   12,881,207 0 1,493,931
HESS MIDSTREAM PARTNERS LP COM 428104103 1,037 50,891 SH   SOLE   50,891 0 0
KINDER MORGAN INC DEL COM COM 49456B101 27 1,433 SH   SOLE   1,433 0 0
MARTIN MIDSTREAM PARTNERS LP COM 573331105 28,678 1,634,097 SH   SOLE   1,634,097 0 0
MAGELLAN MIDSTREAM PARTNERS COM 559080106 144,549 2,028,186 SH   SOLE   1,797,735 0 230,451
MPLX LP COM 55336V100 298,595 8,939,969 SH   SOLE   7,946,673 0 993,296
NOBLE MIDSTREAM PARTNERS COM 65506L105 26 565 SH   SOLE   565 0 0
NUSTAR ENERGY LP COM 67058H102 193,405 4,147,643 SH   SOLE   4,147,643 0 0
NUSTAR GP HOLDINGS LLC COM 67059L102 26,395 1,079,545 SH   SOLE   650,465 0 429,080
ONEOK PARTNERS LP COM 68268N103 99,915 1,956,431 SH   SOLE   1,732,594 0 223,837
PLAINS ALL AMER PIPELINE LP COM 726503105 212,765 8,099,170 SH   SOLE   7,315,418 0 783,752
PBF LOGISTICS LP COM 69318Q104 30,037 1,540,374 SH   SOLE   1,540,374 0 0
PHILLIPS 66 PARTNERS LP COM 718549207 66,606 1,347,745 SH   SOLE   1,001,213 0 346,532
SEMGROUP CORP-CLASS A COM 81663A105 1,215 45,000 SH   SOLE   45,000 0 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 191,814 4,471,180 SH   SOLE   3,952,199 0 518,981
SHELL MIDSTREAM PARTNERS LP COM 822634101 66,158 2,183,430 SH   SOLE   1,633,429 0 550,001
SUMMIT MIDSTREAM PARTNERS LP COM 866142102 31,568 1,393,716 SH   SOLE   1,393,716 0 0
TC PIPELINES LP COM 87233Q108 208,097 3,783,578 SH   SOLE   3,295,839 0 487,739
TESORO LOGISTICS LP COM 88160T107 298,033 5,765,784 SH   SOLE   5,115,696 0 650,088
TARGA RESOURCES CORP COM 87612G101 248,976 5,508,319 SH   SOLE   4,877,557 0 630,762
USA COMPRESSION PARTNERS LP COM 90290N109 29,524 1,804,668 SH   SOLE   1,804,668 0 0
USD PARTNERS LP COM 903318103 58 5,201 SH   SOLE   5,201 0 0
VALERO ENERGY PARTNERS LP COM 91914J102 24,335 533,184 SH   SOLE   286,454 0 246,730
WESTERN GAS PARTNERS LP COM 958254104 136,043 2,431,937 SH   SOLE   2,230,499 0 201,438
WESTERN GAS EQUITY PARTNERS COM 95825R103 35,414 823,207 SH   SOLE   439,387 0 383,820
WILLIAMS COS INC COM 969457100 37 1,238 SH   SOLE   1,238 0 0
WESTERN REFINING LOGISTICS L COM 95931Q205 4,694 182,986 SH   SOLE   182,986 0 0
WILLIAMS PARTNERS LP COM 96949L105 183,318 4,570,385 SH   SOLE   4,005,078 0 565,307