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
ABENGOA YIELD PLC ORD SHS G00349103 3,886 102,753 SH   SOLE N/A 102,753 0 0
ACCESS MIDSTREAM PARTNERS L UNIT 00434L109 499,171 7,854,774 SH   SOLE N/A 7,329,393 0 525,381
AMERICAN WTR WKS CO INC NEW COM 030420103 1 25 SH   SOLE N/A 25 0 0
ANADARKO PETE CORP COM 032511107 41,715 381,066 SH   SOLE N/A 381,066 0 0
ANTERO RES CORP COM 03674X106 12,265 186,888 SH   SOLE N/A 186,888 0 0
APACHE CORP COM 037411105 1 14 SH   SOLE N/A 14 0 0
AQUA AMERICA INC COM 03836W103 1 38 SH   SOLE N/A 38 0 0
ARC LOGISTICS PARTNERS LP COM UT REP LPN 03879N101 2,739 111,000 SH   SOLE N/A 111,000 0 0
BP PLC SPONSORED ADR 055622104 10,170 192,800 SH   SOLE N/A 192,800 0 0
BREITBURN ENERGY PARTNERS LP COM UT LTD PTN 106776107 16,568 749,015 SH   SOLE N/A 749,015 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 972,614 11,709,773 SH   SOLE N/A 10,771,579 0 938,194
CABOT OIL & GAS CORP COM 127097103 10,843 317,610 SH   SOLE N/A 317,610 0 0
CALPINE CORP COM NEW 131347304 2 63 SH   SOLE N/A 63 0 0
CARRIZO OIL & GAS INC COM 144577103 6,924 99,966 SH   SOLE N/A 99,966 0 0
CENOVUS ENERGY INC COM 15135U109 4,959 153,200 SH   SOLE N/A 153,200 0 0
CENTERPOINT ENERGY INC COM 15189T107 56,720 2,220,846 SH   SOLE N/A 2,220,846 0 0
CHENIERE ENERGY INC COM NEW 16411R208 37,336 520,731 SH   SOLE N/A 520,731 0 0
CHESAPEAKE ENERGY CORP COM 165167107 16,598 534,045 SH   SOLE N/A 534,045 0 0
CHEVRON CORP NEW COM 166764100 9,193 70,420 SH   SOLE N/A 70,420 0 0
CIMAREX ENERGY CO COM 171798101 14,371 100,176 SH   SOLE N/A 100,176 0 0
CMS ENERGY CORP COM 125896100 2 64 SH   SOLE N/A 64 0 0
CONCHO RES INC COM 20605P101 19,552 135,309 SH   SOLE N/A 135,309 0 0
CONOCOPHILLIPS COM 20825C104 11,894 138,735 SH   SOLE N/A 138,735 0 0
CONTINENTAL RESOURCES INC COM 212015101 21,470 135,851 SH   SOLE N/A 135,851 0 0
CRESCENT PT ENERGY CORP COM 22576C101 12,662 285,700 SH   SOLE N/A 285,700 0 0
CRESTWOOD MIDSTREAMPARTNERS UNIT LTD PARTNER 226378107 108,872 4,933,013 SH   SOLE N/A 4,933,013 0 0
DCP MIDSTREAM PARTNERS LP COM UT LTD PTN 23311P100 546,543 9,588,478 SH   SOLE N/A 8,874,716 0 713,762
DOMINION RES INC VA NEW COM 25746U109 4 61 SH   SOLE N/A 61 0 0
DORIAN LPG LTD SHS USD Y2106R110 638 27,754 SH   SOLE N/A 27,754 0 0
DTE ENERGY CO COM 233331107 2 32 SH   SOLE N/A 32 0 0
EASTMAN CHEM CO COM 277432100 2 23 SH   SOLE N/A 23 0 0
EDISON INTL COM 281020107 2 39 SH   SOLE N/A 39 0 0
EL PASO PIPELINE PARTNERS L COM UNIT LPI 283702108 89,093 2,459,089 SH   SOLE N/A 2,459,089 0 0
ENBRIDGE ENERGY MANAGEMENT L SHS UNITS LLI 29250X103 554,909 1,557,691 SH   SOLE N/A 1,557,691 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 199,456 5,400,933 SH   SOLE N/A 5,400,933 0 0
ENBRIDGE INC COM 29250N105 107,903 2,273,072 SH   SOLE N/A 2,273,072 0 0
ENERGEN CORP COM 29265N108 12,076 135,872 SH   SOLE N/A 135,872 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 857,549 14,549,520 SH   SOLE N/A 12,870,054 0 1,679,466
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R109 417,779 7,206,811 SH   SOLE N/A 7,015,471 0 191,340
ENERPLUS CORP COM 292766102 6,945 275,800 SH   SOLE N/A 275,800 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 202,335 6,437,628 SH   SOLE N/A 6,112,614 0 325,014
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 34,705 833,063 SH   SOLE N/A 833,063 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 1,397,281 17,847,500 SH   SOLE N/A 16,413,681 0 1,433,819
EOG RES INC COM 26875P101 50,677 433,652 SH   SOLE N/A 433,652 0 0
EQT CORP COM 26884L109 126,599 1,184,273 SH   SOLE N/A 1,184,273 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 368,721 3,811,468 SH   SOLE N/A 3,569,262 0 242,206
EV ENERGY PARTNERS LP COM UNITS 26926V107 3,281 82,800 SH   SOLE N/A 82,800 0 0
EXXON MOBIL CORP COM 30231G102 2 21 SH   SOLE N/A 21 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 247,554 4,417,444 SH   SOLE N/A 3,911,394 0 506,050
HALLIBURTON CO COM 406216101 3 37 SH   SOLE N/A 37 0 0
HELMERICH & PAYNE INC COM 423452101 493 4,250 SH   SOLE N/A 4,250 0 0
HESS CORP COM 42809H107 3,238 32,748 SH   SOLE N/A 32,748 0 0
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 435763107 108,177 3,145,596 SH   SOLE N/A 3,145,596 0 0
ITC HLDGS CORP COM 465685105 1 27 SH   SOLE N/A 27 0 0
KINDER MORGAN ENERGY PARTNER UT LTD PARTNER 494550106 29,932 364,088 SH   SOLE N/A 364,088 0 0
KINDER MORGAN INC DEL COM 49456B101 5,022 138,500 SH   SOLE N/A 138,500 0 0
KINDER MORGAN MANAGEMENT LLC SHS 49455U100 219,787 2,784,576 SH   SOLE N/A 2,784,576 0 0
LAREDO PETROLEUM INC COM 516806106 1,853 59,804 SH   SOLE N/A 59,804 0 0
LEGACY RESERVES LP UNIT LP INT 524707304 19,794 633,608 SH   SOLE N/A 633,608 0 0
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 2,932 30,028 SH   SOLE N/A 30,028 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 1,375,743 16,370,099 SH   SOLE N/A 14,967,535 0 1,402,564
MARATHON OIL CORP COM 565849106 14,467 362,409 SH   SOLE N/A 362,409 0 0
MARKWEST ENERGY PARTNERS L P UNIT LTD PARTN 570759100 670,301 9,364,363 SH   SOLE N/A 8,610,072 0 754,291
MPLX LP COM UNIT REP LTD 55336V100 357,984 5,550,147 SH   SOLE N/A 5,108,330 0 441,817
NATIONAL FUEL GAS CO N J COM 636180101 53,186 679,261 SH   SOLE N/A 679,261 0 0
NEWFIELD EXPL CO COM 651290108 10,025 226,812 SH   SOLE N/A 226,812 0 0
NEXTERA ENERGY INC COM 65339F101 6 58 SH   SOLE N/A 58 0 0
NISOURCE INC COM 65473P105 157,932 4,014,551 SH   SOLE N/A 4,014,551 0 0
NOBLE ENERGY INC COM 655044105 12,764 164,786 SH   SOLE N/A 164,786 0 0
NRG ENERGY INC COM NEW 629377508 2 54 SH   SOLE N/A 54 0 0
NRG YIELD INC COM CL A 62942X108 26,949 517,757 SH   SOLE N/A 517,757 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 102,937 1,660,000 SH   SOLE N/A 1,660,000 0 0
OCCIDENTAL PETE CORP DEL COM 674599105 24,500 238,720 SH   SOLE N/A 238,720 0 0
OILTANKING PARTNERS L P UNIT LTD 678049107 259,704 2,750,226 SH   SOLE N/A 2,505,000 0 245,226
ONE GAS INC COM 68235P108 2 53 SH   SOLE N/A 53 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 339,492 5,793,378 SH   SOLE N/A 5,793,378 0 0
ONEOK INC NEW COM 682680103 549,060 8,064,929 SH   SOLE N/A 7,287,987 0 776,942
PARSLEY ENERGY INC CL A 701877102 3,311 137,555 SH   SOLE N/A 137,555 0 0
PATTERN ENERGY GROUP INC CL A 70338P100 1 30 SH   SOLE N/A 30 0 0
PATTERSON UTI ENERGY INC COM 703481101 494 14,150 SH   SOLE N/A 14,150 0 0
PBF LOGISTICS LP UNIT LTD PTNR 69318Q104 6,192 225,000 SH   SOLE N/A 225,000 0 0
PEMBINA PIPELINE CORP COM 706327103 79,360 1,844,510 SH   SOLE N/A 1,844,510 0 0
PENN WEST PETE LTD NEW COM 707887105 62 6,400 SH   SOLE N/A 6,400 0 0
PHILLIPS 66 COM 718546104 700 8,702 SH   SOLE N/A 8,702 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 194,004 2,567,555 SH   SOLE N/A 2,359,162 0 208,393
PINNACLE WEST CAP CORP COM 723484101 1 17 SH   SOLE N/A 17 0 0
PIONEER NAT RES CO COM 723787107 48,127 209,423 SH   SOLE N/A 209,423 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 1,332,531 22,190,364 SH   SOLE N/A 20,489,590 0 1,700,774
PLAINS GP HLDGS L P SHS A REP LTPN 72651A108 166,879 5,216,607 SH   SOLE N/A 4,940,997 0 275,610
PPL CORP COM 69351T106 1 42 SH   SOLE N/A 42 0 0
QUESTAR CORP COM 748356102 1 40 SH   SOLE N/A 40 0 0
RANGE RES CORP COM 75281A109 25,433 292,502 SH   SOLE N/A 292,502 0 0
REGENCY ENERGY PARTNERS L P COM UNITS L P 75885Y107 510,508 15,849,372 SH   SOLE N/A 14,902,189 0 947,183
RICE ENERGY INC COM 762760106 3,091 101,520 SH   SOLE N/A 101,520 0 0
ROSE ROCK MIDSTREAM L P COM U REP LTD 777149105 23,973 438,745 SH   SOLE N/A 438,745 0 0
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 9,431 114,500 SH   SOLE N/A 114,500 0 0
RSP PERMIAN INC COM 74978Q105 3,922 120,885 SH   SOLE N/A 120,885 0 0
SCHLUMBERGER LTD COM 806857108 2,360 20,006 SH   SOLE N/A 20,006 0 0
SEMGROUP CORP CL A 81663A105 52,623 667,384 SH   SOLE N/A 667,384 0 0
SEMPRA ENERGY COM 816851109 5 48 SH   SOLE N/A 48 0 0
SPECTRA ENERGY CORP COM 847560109 457,644 10,773,168 SH   SOLE N/A 9,952,478 0 820,690
SPECTRA ENERGY PARTNERS LP COM 84756N109 549,204 10,294,363 SH   SOLE N/A 9,830,238 0 464,125
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 46,965 923,600 SH   SOLE N/A 923,600 0 0
SUNCOR ENERGY INC NEW COM 867224107 13,103 307,373 SH   SOLE N/A 307,373 0 0
SUNOCO LOGISTICS PRTNRS L P COM UNITS 86764L108 966,929 20,524,919 SH   SOLE N/A 18,880,920 0 1,643,999
TARGA RESOURCES PARTNERS LP COM UNIT 87611X105 422,936 5,881,019 SH   SOLE N/A 5,514,478 0 366,541
TARGA RES CORP COM 87612G101 59,714 427,840 SH   SOLE N/A 427,840 0 0
TEEKAY LNG PARTNERS L P PRTNRSP UNITS Y8564M105 2,289 49,600 SH   SOLE N/A 49,600 0 0
TEEKAY OFFSHORE PARTNERS L P PARTNERSHIP UN Y8565J101 9,008 249,530 SH   SOLE N/A 249,530 0 0
TESORO LOGISTICS LP COM UNIT LP 88160T107 420,564 5,729,753 SH   SOLE N/A 5,213,427 0 516,326
TRANSCANADA CORP COM 89353D107 61,154 1,281,512 SH   SOLE N/A 1,281,512 0 0
U S SILICA HLDGS INC COM 90346E103 1,969 35,522 SH   SOLE N/A 35,522 0 0
VALERO ENERGY CORP NEW COM 91913Y100 1,123 22,425 SH   SOLE N/A 22,425 0 0
VALERO ENERGY PARTNERS LP COM UNT REP LP 91914J102 156,587 3,112,450 SH   SOLE N/A 2,834,200 0 278,250
VANGUARD NAT RES LLC COM UNIT 92205F106 10,958 340,300 SH   SOLE N/A 340,300 0 0
WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 136,867 2,182,888 SH   SOLE N/A 1,908,896 0 273,992
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 613,599 8,022,995 SH   SOLE N/A 7,423,360 0 599,635
WESTLAKE CHEM CORP COM 960413102 1,472 17,570 SH   SOLE N/A 17,570 0 0
WHITING PETE CORP NEW COM 966387102 7,296 90,919 SH   SOLE N/A 90,919 0 0
WILLIAMS COS INC DEL COM 969457100 456,511 7,842,490 SH   SOLE N/A 7,233,344 0 609,146
WILLIAMS PARTNERS L P COM UNIT L P 96950F104 206,997 3,812,794 SH   SOLE N/A 3,812,794 0 0
WISCONSIN ENERGY CORP COM 976657106 4 94 SH   SOLE N/A 94 0 0