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
ACCESS MIDSTREAM PARTNERS L UNIT 00434L109 580,444 10,258,823 SH   SOLE N/A 9,447,520 0 811,303
ANADARKO PETE CORP COM 032511107 30,852 388,958 SH   SOLE N/A 388,958 0 0
ANTERO RES CORP COM 03674X106 11,820 186,316 SH   SOLE N/A 186,316 0 0
APACHE CORP COM 037411105 15,131 176,069 SH   SOLE N/A 176,069 0 0
ARC LOGISTICS PARTNERS LP COM UT REP LPN 03879N101 2,972 135,700 SH   SOLE N/A 135,700 0 0
BOARDWALK PIPELINE PARTNERS UT LTD PARTNER 096627104 168,797 6,614,300 SH   SOLE N/A 6,614,300 0 0
BP PLC SPONSORED ADR 055622104 9,372 192,800 SH   SOLE N/A 192,800 0 0
BREITBURN ENERGY PARTNERS LP COM UT LTD PTN 106776107 17,802 875,200 SH   SOLE N/A 875,200 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 710,350 10,003,514 SH   SOLE N/A 9,101,384 0 902,130
CABOT OIL & GAS CORP COM 127097103 18,089 466,680 SH   SOLE N/A 466,680 0 0
CARRIZO OIL & GAS INC COM 144577103 515 11,495 SH   SOLE N/A 11,495 0 0
CENOVUS ENERGY INC COM 15135U109 4,389 153,200 SH   SOLE N/A 153,200 0 0
CENTERPOINT ENERGY INC COM 15189T107 68,843 2,969,926 SH   SOLE N/A 2,969,926 0 0
CHESAPEAKE ENERGY CORP COM 165167107 15,634 576,032 SH   SOLE N/A 576,032 0 0
CHEVRON CORP NEW COM 166764100 8,796 70,420 SH   SOLE N/A 70,420 0 0
CIMAREX ENERGY CO COM 171798101 819 7,807 SH   SOLE N/A 7,807 0 0
CONCHO RES INC COM 20605P101 10,561 97,790 SH   SOLE N/A 97,790 0 0
CONOCOPHILLIPS COM 20825C104 9,802 138,735 SH   SOLE N/A 138,735 0 0
CONTINENTAL RESOURCES INC COM 212015101 27,951 248,405 SH   SOLE N/A 248,405 0 0
CRESTWOOD MIDSTREAM PARTNERS UNIT LTD PARTNER 226378107 123,833 4,975,223 SH   SOLE N/A 4,975,223 0 0
CROSSTEX ENERGY INC COM 22765Y104 8,606 238,000 SH   SOLE N/A 238,000 0 0
CROSSTEX ENERGY L P COM 22765U102 108,951 3,947,499 SH   SOLE N/A 3,775,849 0 171,650
DCP MIDSTREAM PARTNERS LP COM UT LTD PTN 23311P100 359,840 7,146,769 SH   SOLE N/A 6,594,043 0 552,726
EASTMAN CHEM CO COM 277432100 2 23 SH   SOLE N/A 23 0 0
EL PASO PIPELINE PARTNERS L COM UNIT LPI 283702108 212,929 5,914,686 SH   SOLE N/A 5,771,087 0 143,599
ENBRIDGE ENERGY MANAGEMENT L SHS UNITS LLI 29250X103 43,243 1,507,762 SH   SOLE N/A 1,507,762 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 160,976 5,389,204 SH   SOLE N/A 5,389,204 0 0
ENBRIDGE INC COM 29250N105 75,104 1,719,415 SH   SOLE N/A 1,719,415 0 0
ENERGEN CORP COM 29265N108 578 8,168 SH   SOLE N/A 8,168 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 595,695 7,287,677 SH   SOLE N/A 6,336,775 0 950,902
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R109 458,559 8,009,756 SH   SOLE N/A 7,729,891 0 279,865
ENERPLUS CORP COM 292766102 5,014 275,800 SH   SOLE N/A 275,800 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 1,037,022 15,641,356 SH   SOLE N/A 14,308,506 0 1,332,850
EOG RES INC COM 26875P101 36,554 217,791 SH   SOLE N/A 217,791 0 0
EQT CORP COM 26884L109 102,210 1,138,448 SH   SOLE N/A 1,138,448 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 136,459 2,321,123 SH   SOLE N/A 2,150,775 0 170,348
EV ENERGY PARTNERS LP COM UNITS 26926V107 5,283 155,700 SH   SOLE N/A 155,700 0 0
EXXON MOBIL CORP COM 30231G102 2 21 SH   SOLE N/A 21 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 178,032 3,386,577 SH   SOLE N/A 2,974,640 0 411,937
HALLIBURTON CO COM 406216101 2 37 SH   SOLE N/A 37 0 0
HESS CORP COM 42809H107 5,542 66,770 SH   SOLE N/A 66,770 0 0
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 435763107 99,807 3,087,132 SH   SOLE N/A 3,087,132 0 0
JONES ENERGY INC COM CL A 48019R108 4,662 321,935 SH   SOLE N/A 321,935 0 0
KINDER MORGAN ENERGY PARTNER UT LTD PARTNER 494550106 265,839 3,295,796 SH   SOLE N/A 2,964,704 0 331,092
KINDER MORGAN INC DEL COM 49456B101 50,985 1,416,240 SH   SOLE N/A 1,416,240 0 0
KINDER MORGAN MANAGEMENT LLC SHS 49455U100 267,672 3,537,824 SH   SOLE N/A 3,537,824 0 0
LAREDO PETE HLDGS INC COM 516806106 111 4,020 SH   SOLE N/A 4,020 0 0
LEGACY RESERVES LP UNIT LP INT 524707304 19,090 677,908 SH   SOLE N/A 677,908 0 0
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 224 2,787 SH   SOLE N/A 2,787 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 1,015,116 16,044,185 SH   SOLE N/A 14,545,627 0 1,498,558
MARATHON OIL CORP COM 565849106 15,468 438,177 SH   SOLE N/A 438,177 0 0
MARATHON PETE CORP COM 56585A102 166 1,808 SH   SOLE N/A 1,808 0 0
MARKWEST ENERGY PARTNERS L P UNIT LTD PARTN 570759100 440,313 6,658,288 SH   SOLE N/A 6,079,738 0 578,550
MPLX LP COM UNIT REP LTD 55336V100 239,800 5,383,929 SH   SOLE N/A 4,917,065 0 466,864
NATIONAL FUEL GAS CO N J COM 636180101 34,300 480,396 SH   SOLE N/A 480,396 0 0
NEWFIELD EXPL CO COM 651290108 1,514 61,485 SH   SOLE N/A 61,485 0 0
NEXTERA ENERGY INC COM 65339F101 1 15 SH   SOLE N/A 15 0 0
NISOURCE INC COM 65473P105 74,626 2,269,659 SH   SOLE N/A 2,269,659 0 0
NOBLE ENERGY INC COM 655044105 14,925 219,135 SH   SOLE N/A 219,135 0 0
NRG YIELD INC COM CL A 62942X108 23,325 582,969 SH   SOLE N/A 582,969 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 98,477 1,931,300 SH   SOLE N/A 1,931,300 0 0
OCCIDENTAL PETE CORP DEL COM 674599105 29,074 305,721 SH   SOLE N/A 305,721 0 0
OGE ENERGY CORP COM 670837103 2,543 75,000 SH   SOLE N/A 75,000 0 0
OIL STS INTL INC COM 678026105 123 1,213 SH   SOLE N/A 1,213 0 0
OILTANKING PARTNERS L P UNIT LTD 678049107 156,050 2,514,096 SH   SOLE N/A 2,269,237 0 244,859
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 205,398 3,901,200 SH   SOLE N/A 3,901,200 0 0
ONEOK INC NEW COM 682680103 337,179 5,422,627 SH   SOLE N/A 4,872,735 0 549,892
PENN WEST PETE LTD NEW COM 707887105 54 6,400 SH   SOLE N/A 6,400 0 0
PHILLIPS 66 COM 718546104 170 2,198 SH   SOLE N/A 2,198 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 86,483 2,280,066 SH   SOLE N/A 2,094,489 0 185,577
PIONEER NAT RES CO COM 723787107 37,496 203,707 SH   SOLE N/A 203,707 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 963,853 18,617,985 SH   SOLE N/A 17,003,497 0 1,614,488
PLAINS GP HLDGS L P SHS A REP LTPN 72651A108 111,116 4,150,753 SH   SOLE N/A 3,875,995 0 274,758
QUESTAR CORP COM 748356102 3,763 163,700 SH   SOLE N/A 163,700 0 0
RANGE RES CORP COM 75281A109 24,337 288,664 SH   SOLE N/A 288,664 0 0
REGENCY ENERGY PARTNERS L P COM UNITS L P 75885Y107 406,962 15,497,405 SH   SOLE N/A 14,492,978 0 1,004,427
ROSE ROCK MIDSTREAM L P COM U REP LTD 777149105 16,979 438,745 SH   SOLE N/A 438,745 0 0
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 8,160 114,500 SH   SOLE N/A 114,500 0 0
SCHLUMBERGER LTD COM 806857108 2 21 SH   SOLE N/A 21 0 0
SEADRILL PARTNERS LLC COMUNIT REP LB Y7545W109 2,790 90,000 SH   SOLE N/A 90,000 0 0
SEMGROUP CORP CL A 81663A105 32,393 496,600 SH   SOLE N/A 496,600 0 0
SEMPRA ENERGY COM 816851109 10,961 122,114 SH   SOLE N/A 122,114 0 0
SPECTRA ENERGY CORP COM 847560109 398,031 11,174,377 SH   SOLE N/A 10,054,992 0 1,119,385
SPECTRA ENERGY PARTNERS LP COM 84756N109 379,164 8,360,843 SH   SOLE N/A 8,006,549 0 354,294
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 20,282 553,400 SH   SOLE N/A 553,400 0 0
SUNCOR ENERGY INC NEW COM 867224107 11,065 315,686 SH   SOLE N/A 315,686 0 0
SUNOCO LOGISTICS PRTNRS L P COM UNITS 86764L108 740,472 9,810,169 SH   SOLE N/A 8,928,197 0 881,972
TARGA RESOURCES PARTNERS LP COM UNIT 87611X105 287,254 5,492,419 SH   SOLE N/A 5,108,232 0 384,187
TARGA RES CORP COM 87612G101 37,826 429,009 SH   SOLE N/A 429,009 0 0
TEEKAY LNG PARTNERS L P PRTNRSP UNITS Y8564M105 2,285 53,500 SH   SOLE N/A 53,500 0 0
TEEKAY OFFSHORE PARTNERS L P PARTNERSHIP UN Y8565J101 8,793 265,730 SH   SOLE N/A 265,730 0 0
TESORO CORP COM 881609101 111 1,890 SH   SOLE N/A 1,890 0 0
TESORO LOGISTICS LP COM UNIT LP 88160T107 265,895 5,080,150 SH   SOLE N/A 4,571,055 0 509,095
TRANSCANADA CORP COM 89353D107 54,459 1,192,700 SH   SOLE N/A 1,192,700 0 0
VALERO ENERGY CORP NEW COM 91913Y100 277 5,487 SH   SOLE N/A 5,487 0 0
VALERO ENERGY PARTNERS LP COM UNT REP LP 91914J102 86,055 2,497,961 SH   SOLE N/A 2,256,641 0 241,320
VANGUARD NAT RES LLC COM UNIT 92205F106 11,244 380,900 SH   SOLE N/A 380,900 0 0
WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 84,178 2,130,547 SH   SOLE N/A 1,840,939 0 289,608
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 445,821 7,226,800 SH   SOLE N/A 6,657,722 0 569,078
WESTERN REFNG INC COM 959319104 85 2,013 SH   SOLE N/A 2,013 0 0
WESTLAKE CHEM CORP COM 960413102 126 1,030 SH   SOLE N/A 1,030 0 0
WHITING PETE CORP NEW COM 966387102 7,072 114,309 SH   SOLE N/A 114,309 0 0
WILLIAMS COS INC DEL COM 969457100 264,787 6,865,096 SH   SOLE N/A 6,326,593 0 538,503
WILLIAMS PARTNERS L P COM UNIT L P 96950F104 205,495 4,040,400 SH   SOLE N/A 4,040,400 0 0
WISCONSIN ENERGY CORP COM 976657106 1 30 SH   SOLE N/A 30 0 0