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 3,870 108,776 SH   SOLE N/A 108,776 0 0
ACCESS MIDSTREAM PARTNERS L UNIT 00434L109 495,345 7,783,555 SH   SOLE N/A 7,265,650 0 517,905
AMERICAN WTR WKS CO INC NEW COM 030420103 1 25 SH   SOLE N/A 25 0 0
ANADARKO PETE CORP COM 032511107 39,941 393,741 SH   SOLE N/A 393,741 0 0
ANTERO RES CORP COM 03674X106 10,235 186,456 SH   SOLE N/A 186,456 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
BP PLC SPONSORED ADR 055622104 4,237 96,400 SH   SOLE N/A 96,400 0 0
BREITBURN ENERGY PARTNERS LP COM UT LTD PTN 106776107 12,627 621,400 SH   SOLE N/A 621,400 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 908,252 11,404,470 SH   SOLE N/A 10,484,757 0 919,713
CABOT OIL & GAS CORP COM 127097103 9,730 297,653 SH   SOLE N/A 297,653 0 0
CALPINE CORP COM NEW 131347304 1 44 SH   SOLE N/A 44 0 0
CARRIZO OIL & GAS INC COM 144577103 5,372 99,821 SH   SOLE N/A 99,821 0 0
CENOVUS ENERGY INC COM 15135U109 4,118 153,200 SH   SOLE N/A 153,200 0 0
CENTERPOINT ENERGY INC COM 15189T107 7,316 298,988 SH   SOLE N/A 298,988 0 0
CHENIERE ENERGY INC COM NEW 16411R208 42,275 528,243 SH   SOLE N/A 528,243 0 0
CHESAPEAKE ENERGY CORP COM 165167107 12,342 536,828 SH   SOLE N/A 536,828 0 0
CHEVRON CORP NEW COM 166764100 8,402 70,418 SH   SOLE N/A 70,418 0 0
CIMAREX ENERGY CO COM 171798101 13,085 103,413 SH   SOLE N/A 103,413 0 0
CMS ENERGY CORP COM 125896100 2 64 SH   SOLE N/A 64 0 0
CONCHO RES INC COM 20605P101 13,790 109,979 SH   SOLE N/A 109,979 0 0
CONOCOPHILLIPS COM 20825C104 10,615 138,728 SH   SOLE N/A 138,728 0 0
CONTINENTAL RESOURCES INC COM 212015101 18,017 271,012 SH   SOLE N/A 271,012 0 0
CRESCENT PT ENERGY CORP COM 22576C101 10,311 285,700 SH   SOLE N/A 285,700 0 0
CRESTWOOD MIDSTREAM PARTNERS UNIT LTD PARTNER 226378107 111,831 4,933,013 SH   SOLE N/A 4,933,013 0 0
DCP MIDSTREAM PARTNERS LP COM UT LTD PTN 23311P100 522,897 9,603,257 SH   SOLE N/A 8,893,090 0 710,167
DOMINION RES INC VA NEW COM 25746U109 4 64 SH   SOLE N/A 64 0 0
DORIAN LPG LTD SHS USD Y2106R110 940 52,741 SH   SOLE N/A 52,741 0 0
DTE ENERGY CO COM 233331107 2 32 SH   SOLE N/A 32 0 0
EASTMAN CHEM CO COM 277432100 3 35 SH   SOLE N/A 35 0 0
EDISON INTL COM 281020107 2 43 SH   SOLE N/A 43 0 0
EL PASO PIPELINE PARTNERS L COM UNIT LPI 283702108 57,332 1,427,597 SH   SOLE N/A 1,427,597 0 0
ENBRIDGE ENERGY MANAGEMENT L SHS UNITS LLI 29250X103 58,893 1,582,730 SH   SOLE N/A 1,582,730 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 292,274 7,523,152 SH   SOLE N/A 7,370,958 0 152,194
ENBRIDGE INC COM 29250N105 133,503 2,788,281 SH   SOLE N/A 2,788,281 0 0
ENERGEN CORP COM 29265N108 8,767 121,366 SH   SOLE N/A 121,366 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 882,571 14,306,549 SH   SOLE N/A 12,646,756 0 1,659,793
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R109 471,299 7,365,205 SH   SOLE N/A 7,365,205 0 0
ENERPLUS CORP COM 292766102 5,232 275,800 SH   SOLE N/A 275,800 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 214,483 7,043,793 SH   SOLE N/A 6,718,152 0 325,641
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 41,254 998,158 SH   SOLE N/A 998,158 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 1,423,305 35,317,732 SH   SOLE N/A 32,496,123 0 2,821,609
EOG RES INC COM 26875P101 43,742 441,748 SH   SOLE N/A 441,748 0 0
EP ENERGY CORP CL A 268785102 2,053 117,452 SH   SOLE N/A 117,452 0 0
EQT CORP COM 26884L109 110,676 1,209,041 SH   SOLE N/A 1,209,041 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 329,414 3,676,089 SH   SOLE N/A 3,440,564 0 235,525
EV ENERGY PARTNERS LP COM UNITS 26926V107 2,937 82,800 SH   SOLE N/A 82,800 0 0
EXXON MOBIL CORP COM 30231G102 1 15 SH   SOLE N/A 15 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 232,525 4,417,275 SH   SOLE N/A 3,925,346 0 491,929
HALLIBURTON CO COM 406216101 2,265 35,111 SH   SOLE N/A 35,111 0 0
HELMERICH & PAYNE INC COM 423452101 719 7,348 SH   SOLE N/A 7,348 0 0
HESS CORP COM 42809H107 3,042 32,251 SH   SOLE N/A 32,251 0 0
HOEGH LNG PARTNERS LP COM UNIT LTD Y3262R100 1,195 52,170 SH   SOLE N/A 52,170 0 0
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 435763107 114,500 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 12,380 132,721 SH   SOLE N/A 132,721 0 0
KINDER MORGAN INC DEL COM 49456B101 61,703 1,609,363 SH   SOLE N/A 1,609,363 0 0
KINDER MORGAN MANAGEMENT LLC SHS 49455U100 158,845 1,687,143 SH   SOLE N/A 1,687,143 0 0
KODIAK OIL & GAS CORP COM 50015Q100 6,141 452,530 SH   SOLE N/A 452,530 0 0
LAREDO PETROLEUM INC COM 516806106 1,385 61,805 SH   SOLE N/A 61,805 0 0
LEGACY RESVS LP UNIT LP INT 524707304 14,443 486,608 SH   SOLE N/A 486,608 0 0
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 4,526 41,651 SH   SOLE N/A 41,651 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 1,371,466 16,292,069 SH   SOLE N/A 14,890,792 0 1,401,277
MARATHON OIL CORP COM 565849106 16,727 444,996 SH   SOLE N/A 444,996 0 0
MARKWEST ENERGY PARTNERS L P UNIT LTD PARTN 570759100 761,198 9,908,857 SH   SOLE N/A 9,171,372 0 737,485
MPLX LP COM UNIT REP LTD 55336V100 326,351 5,537,001 SH   SOLE N/A 5,099,779 0 437,222
NATIONAL FUEL GAS CO N J COM 636180101 59,585 851,337 SH   SOLE N/A 851,337 0 0
NEWFIELD EXPL CO COM 651290108 8,359 225,484 SH   SOLE N/A 225,484 0 0
NEXTERA ENERGY INC COM 65339F101 6 65 SH   SOLE N/A 65 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 4,155 119,775 SH   SOLE N/A 119,775 0 0
NISOURCE INC COM 65473P105 192,264 4,691,664 SH   SOLE N/A 4,691,664 0 0
NOBLE ENERGY INC COM 655044105 13,456 196,836 SH   SOLE N/A 196,836 0 0
NRG ENERGY INC COM NEW 629377508 1 46 SH   SOLE N/A 46 0 0
NRG YIELD INC COM CL A 62942X108 9,890 210,201 SH   SOLE N/A 210,201 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 91,831 1,392,650 SH   SOLE N/A 1,392,650 0 0
OCCIDENTAL PETE CORP DEL COM 674599105 22,826 237,403 SH   SOLE N/A 237,403 0 0
OILTANKING PARTNERS L P UNIT LTD 678049107 279,035 5,626,841 SH   SOLE N/A 5,110,534 0 516,307
ONE GAS INC COM 68235P108 2 53 SH   SOLE N/A 53 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 330,139 5,899,562 SH   SOLE N/A 5,899,562 0 0
ONEOK INC NEW COM 682680103 516,604 7,881,064 SH   SOLE N/A 7,178,171 0 702,893
PATTERSON UTI ENERGY INC COM 703481101 727 22,337 SH   SOLE N/A 22,337 0 0
PBF LOGISTICS LP UNIT LTD PTNR 69318Q104 5,697 225,000 SH   SOLE N/A 225,000 0 0
PEMBINA PIPELINE CORP COM 706327103 76,856 1,824,388 SH   SOLE N/A 1,824,388 0 0
PENN WEST PETE LTD NEW COM 707887105 43 6,400 SH   SOLE N/A 6,400 0 0
PHILLIPS 66 COM 718546104 1,085 13,343 SH   SOLE N/A 13,343 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 172,459 2,583,649 SH   SOLE N/A 2,379,371 0 204,278
PINNACLE WEST CAP CORP COM 723484101 1 17 SH   SOLE N/A 17 0 0
PIONEER NAT RES CO COM 723787107 42,037 213,420 SH   SOLE N/A 213,420 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 1,354,600 23,013,926 SH   SOLE N/A 21,206,641 0 1,807,285
PLAINS GP HLDGS L P SHS A REP LTPN 72651A108 172,581 5,630,712 SH   SOLE N/A 5,357,919 0 272,793
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 19,877 293,124 SH   SOLE N/A 293,124 0 0
REGENCY ENERGY PARTNERS L P COM UNITS L P 75885Y107 537,663 16,482,630 SH   SOLE N/A 15,550,456 0 932,174
RICE ENERGY INC COM 762760106 2,684 100,905 SH   SOLE N/A 100,905 0 0
ROSE ROCK MIDSTREAM L P COM U REP LTD 777149105 25,952 438,745 SH   SOLE N/A 438,745 0 0
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 8,717 114,500 SH   SOLE N/A 114,500 0 0
RSP PERMIAN INC COM 74978Q105 3,106 121,536 SH   SOLE N/A 121,536 0 0
SCHLUMBERGER LTD COM 806857108 1 14 SH   SOLE N/A 14 0 0
SEMGROUP CORP CL A 81663A105 59,414 713,511 SH   SOLE N/A 713,511 0 0
SEMPRA ENERGY COM 816851109 5 48 SH   SOLE N/A 48 0 0
SPECTRA ENERGY CORP COM 847560109 466,471 11,881,597 SH   SOLE N/A 11,067,460 0 814,137
SPECTRA ENERGY PARTNERS LP COM 84756N109 541,648 10,221,697 SH   SOLE N/A 9,763,384 0 458,313
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 46,974 923,600 SH   SOLE N/A 923,600 0 0
SUNCOR ENERGY INC NEW COM 867224107 13,946 385,779 SH   SOLE N/A 385,779 0 0
SUNOCO LOGISTICS PRTNRS L P COM UNITS 86764L108 992,018 20,555,692 SH   SOLE N/A 18,926,526 0 1,629,166
TARGA RESOURCES PARTNERS LP COM UNIT 87611X105 419,004 5,791,352 SH   SOLE N/A 5,432,471 0 358,881
TARGA RES CORP COM 87612G101 72,031 528,977 SH   SOLE N/A 528,977 0 0
TEEKAY OFFSHORE PARTNERS L P PARTNERSHIP UN Y8565J101 7,504 223,330 SH   SOLE N/A 223,330 0 0
TERRAFORM PWR INC CL A COM 88104R100 4,368 151,359 SH   SOLE N/A 151,359 0 0
TESORO LOGISTICS LP COM UNIT LP 88160T107 443,633 6,268,664 SH   SOLE N/A 5,711,703 0 556,961
TRANSCANADA CORP COM 89353D107 117,104 2,272,549 SH   SOLE N/A 2,272,549 0 0
U S SILICA HLDGS INC COM 90346E103 2,861 45,764 SH   SOLE N/A 45,764 0 0
VALERO ENERGY PARTNERS LP COM UNT REP LP 91914J102 141,497 3,170,441 SH   SOLE N/A 2,892,755 0 277,686
VANGUARD NAT RES LLC COM UNIT 92205F106 5,824 212,100 SH   SOLE N/A 212,100 0 0
VTTI ENERGY PARTNERS LP COM UNIT RP LT Y9384M101 981 39,130 SH   SOLE N/A 39,130 0 0
WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 127,772 2,096,682 SH   SOLE N/A 1,829,221 0 267,461
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 581,687 7,755,829 SH   SOLE N/A 7,164,996 0 590,833
WESTLAKE CHEM CORP COM 960413102 3,066 35,411 SH   SOLE N/A 35,411 0 0
WHITING PETE CORP NEW COM 966387102 6,793 87,596 SH   SOLE N/A 87,596 0 0
WILLIAMS COS INC DEL COM 969457100 461,641 8,340,399 SH   SOLE N/A 7,738,475 0 601,924
WILLIAMS PARTNERS L P COM UNIT L P 96950F104 202,269 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