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 115,082 2,033,978 SH   SOLE   2,033,978 0 0
ALLIANCE HOLDINGS GP LP COM UNITS LP 01861G100 33,803 576,547 SH   SOLE   576,547 0 0
ALLIANCE RES PARTNER L P UT LTD PART 01877R108 2,618 34,000 SH   SOLE   34,000 0 0
ARDMORE SHIPPING CORP COM Y0207T100 3,252 209,000 SH   SOLE   209,000 0 0
ATLAS ENERGY LP COM UNITS LP 04930A104 25,998 554,908 SH   SOLE   554,908 0 0
ATLAS PIPELINE PARTNERS LP UNIT L P INT 049392103 51,527 1,470,100 SH   SOLE   1,470,100 0 0
ATLAS RESOURCE PARTNERS LP COM UNT LTD PR 04941A101 22,656 1,106,243 SH   SOLE   1,106,243 0 0
AXIALL CORP COM 05463D100 1,992 42,000 SH   SOLE   42,000 0 0
BLUEKNIGHT ENERGY PARTNERS L COM UNIT 09625U109 43,006 5,053,638 SH   SOLE   5,053,638 0 0
BOARDWALK PIPELINE PARTNERS UT LTD PARTNER 096627104 23,179 908,267 SH   SOLE   908,267 0 0
BREITBURN ENERGY PARTNERS LP COM UT LTD PTN 106776107 73,109 3,594,332 SH   SOLE   3,594,332 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 35,650 502,113 SH   SOLE   502,113 0 0
CABOT OIL & GAS CORP COM 127097103 2,790 71,980 SH   SOLE   71,980 0 0
CALPINE CORP COM NEW 131347304 1,278 65,515 SH   SOLE   65,515 0 0
CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER 131476103 6,554 251,900 SH   SOLE   251,900 0 0
CAMERON INTERNATIONAL CORP COM 13342B105 2,308 38,780 SH   SOLE   38,780 0 0
CANADIAN PAC RY LTD COM 13645T100 1,801 11,900 SH   SOLE   11,900 0 0
CAPITAL PRODUCT PARTNERS L P COM UNIT LP Y11082107 49,198 4,698,947 SH   SOLE   4,698,947 0 0
CELADON GROUP INC COM 150838100 487 25,000 SH   SOLE   25,000 0 0
CF INDS HLDGS INC COM 125269100 815 3,500 SH   SOLE   3,500 0 0
CHART INDS INC COM PAR $0.01 16115Q308 2,935 30,685 SH   SOLE   30,685 0 0
CHENIERE ENERGY INC COM NEW 16411R208 517 12,000 SH   SOLE   12,000 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 6,933 242,000 SH   SOLE   242,000 0 0
CHICAGO BRIDGE & IRON CO N V COM 167250109 4,074 49,000 SH   SOLE   49,000 0 0
CIRCOR INTL INC COM 17273K109 283 3,500 SH   SOLE   3,500 0 0
CMS ENERGY CORP COM 125896100 968 36,170 SH   SOLE   36,170 0 0
COMMERCIAL METALS CO COM 201723103 610 30,000 SH   SOLE   30,000 0 0
CONCHO RES INC COM 20605P101 270 2,500 SH   SOLE   2,500 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344109 24,901 1,800,500 SH   SOLE   1,800,500 0 0
CRESTWOOD MIDSTREAM PARTNERS UNIT LTD PARTNER 226378107 13,387 537,840 SH   SOLE   537,840 0 0
CROSSTEX ENERGY INC COM 22765Y104 11,969 334,776 SH   SOLE   334,776 0 0
CROSSTEX ENERGY L P COM 22765U102 72,686 2,633,550 SH   SOLE   2,633,550 0 0
CUSHING MLP TOTAL RETURN FD COM SHS 231631102 126 15,743 SH   SOLE   15,743 0 0
CUSHING RTY & INCOME FD COM SH BEN INT 23164R104 186 10,947 SH   SOLE   10,947 0 0
DCP MIDSTREAM PARTNERS LP COM UT LTD PTN 23311P100 11,582 230,041 SH   SOLE   230,041 0 0
DELEK LOGISTICS PARTNERS LP COM UNT RP INT 24664T103 8,637 272,905 SH   SOLE   272,905 0 0
DORCHESTER MINERALS LP COM UNIT 25820R105 7,851 302,212 SH   SOLE   302,212 0 0
DOW CHEM CO COM 260543103 4,035 90,890 SH   SOLE   90,890 0 0
DRESSER-RAND GROUP INC COM 261608103 2,263 37,950 SH   SOLE   37,950 0 0
DRIL-QUIP INC COM 262037104 1,043 9,490 SH   SOLE   9,490 0 0
DU PONT E I DE NEMOURS & CO COM 263534109 2,599 40,000 SH   SOLE   40,000 0 0
DUKE ENERGY CORP NEW COM NEW 26441C204 2,001 29,000 SH   SOLE   29,000 0 0
EAGLE ROCK ENERGY PARTNERS L UNIT 26985R104 11,444 1,923,381 SH   SOLE   1,923,381 0 0
EASTMAN CHEM CO COM 277432100 1,441 17,855 SH   SOLE   17,855 0 0
EL PASO PIPELINE PARTNERS L COM UNIT LPI 283702108 4,968 138,000 SH   SOLE   138,000 0 0
EMERGE ENERGY SVCS LP COM REP PARTN 29102H108 6,572 148,242 SH   SOLE   148,242 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 54,221 1,815,248 SH   SOLE   1,815,248 0 0
ENDURO RTY TR TR UNIT 29269K100 2,783 230,168 SH   SOLE   230,168 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 135,795 1,661,298 SH   SOLE   1,661,298 0 0
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R109 98,299 1,717,018 SH   SOLE   1,717,018 0 0
ENERPLUS CORP COM 292766102 10,140 557,750 SH   SOLE   557,750 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 80,606 1,215,782 SH   SOLE   1,215,782 0 0
EOG RES INC COM 26875P101 2,251 13,410 SH   SOLE   13,410 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 28,624 486,885 SH   SOLE   486,885 0 0
EV ENERGY PARTNERS LP COM UNITS 26926V107 14,711 433,578 SH   SOLE   433,578 0 0
EXTERRAN PARTNERS LP COM UNITS 30225N105 6,119 202,400 SH   SOLE   202,400 0 0
FERRELLGAS PARTNERS L.P. UNIT LTD PART 315293100 3,052 133,000 SH   SOLE   133,000 0 0
FLOWSERVE CORP COM 34354P105 2,703 34,285 SH   SOLE   34,285 0 0
FLUOR CORP NEW COM 343412102 3,460 43,100 SH   SOLE   43,100 0 0
FMC TECHNOLOGIES INC COM 30249U101 522 10,000 SH   SOLE   10,000 0 0
FOSTER WHEELER AG COM H27178104 1,596 48,355 SH   SOLE   48,355 0 0
FRANKS INTL N V COM N33462107 2,987 44,915 SH   SOLE   44,915 0 0
GENESEE & WYO INC CL A 371559105 3,402 35,415 SH   SOLE   35,415 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 84,090 1,599,467 SH   SOLE   1,599,467 0 0
GOLAR LNG LTD BERMUDA SHS G9456A100 1,814 50,000 SH   SOLE   50,000 0 0
GREENBRIER COS INC COM 393657101 2,736 83,300 SH   SOLE   83,300 0 0
HALLIBURTON CO COM 406216101 1,283 25,290 SH   SOLE   25,290 0 0
HOLLYFRONTIER CORP COM 436106108 2,286 46,000 SH   SOLE   46,000 0 0
HORNBECK OFFSHORE SVCS INC N COM 440543106 2,403 48,815 SH   SOLE   48,815 0 0
HUGOTON RTY TR TEX UNIT BEN INT 444717102 480 63,950 SH   SOLE   63,950 0 0
ITC HLDGS CORP COM 465685105 1,265 13,205 SH   SOLE   13,205 0 0
ITT CORP NEW COM NEW 450911201 1,671 38,475 SH   SOLE   38,475 0 0
JACOBS ENGR GROUP INC DEL COM 469814107 1,575 25,000 SH   SOLE   25,000 0 0
KANSAS CITY SOUTHERN COM NEW 485170302 2,895 23,375 SH   SOLE   23,375 0 0
KBR INC COM 48242W106 2,873 90,075 SH   SOLE   90,075 0 0
KINDER MORGAN ENERGY PARTNER UT LTD PARTNER 494550106 1,386 17,184 SH   SOLE   17,184 0 0
KINDER MORGAN INC DEL COM 49456B101 9,860 273,882 SH   SOLE   273,882 0 0
KINDER MORGAN MANAGEMENT LLC SHS 49455U100 51,012 674,226 SH   SOLE   674,226 0 0
KIRBY CORP COM 497266106 4,983 50,210 SH   SOLE   50,210 0 0
KNOT OFFSHORE PARTNERS LP COM UNITS Y48125101 2,416 85,970 SH   SOLE   85,970 0 0
LEGACY RESERVES LP UNIT LP INT 524707304 31,837 1,130,587 SH   SOLE   1,130,587 0 0
LINCOLN ELEC HLDGS INC COM 533900106 1,413 19,810 SH   SOLE   19,810 0 0
LINN ENERGY LLC UNIT LTD LIAB 536020100 49,279 1,600,477 SH   SOLE   1,600,477 0 0
LINNCO LLC COMSHS LTD INT 535782106 8,397 272,550 SH   SOLE   272,550 0 0
LRR ENERGY LP COM 50214A104 5,178 304,042 SH   SOLE   304,042 0 0
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 9,440 117,595 SH   SOLE   117,595 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 67,782 1,071,328 SH   SOLE   1,071,328 0 0
MANITOWOC INC COM 563571108 280 12,000 SH   SOLE   12,000 0 0
MARATHON PETE CORP COM 56585A102 33,341 363,472 SH   SOLE   363,472 0 0
MARKWEST ENERGY PARTNERS L P UNIT LTD PARTN 570759100 73,979 1,118,690 SH   SOLE   1,118,690 0 0
MEMORIAL PRODTN PARTNERS LP COM U REP LTD 586048100 25,261 1,151,369 SH   SOLE   1,151,369 0 0
METHANEX CORP COM 59151K108 592 10,000 SH   SOLE   10,000 0 0
MID CON ENERGY PARTNERS LP COM UNIT REPST 59560V109 21,131 924,782 SH   SOLE   924,782 0 0
MPLX LP COM UNIT REP LTD 55336V100 33,500 752,130 SH   SOLE   752,130 0 0
MRC GLOBAL INC COM 55345K103 2,902 89,950 SH   SOLE   89,950 0 0
NATURAL RESOURCE PARTNERS L COM UNIT L P 63900P103 14,863 745,394 SH   SOLE   745,394 0 0
NAVIGATOR HOLDINGS LTD SHS Y62132108 3,233 120,000 SH   SOLE   120,000 0 0
NAVIOS MARITIME PARTNERS L P UNIT LPI Y62267102 10,535 551,000 SH   SOLE   551,000 0 0
NAVISTAR INTL CORP NEW COM 63934E108 267 7,000 SH   SOLE   7,000 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 95,299 2,762,280 SH   SOLE   2,762,280 0 0
NISKA GAS STORAGE PARTNERS L UNIT LTD LIABI 654678101 2,946 199,600 SH   SOLE   199,600 0 0
NOBLE ENERGY INC COM 655044105 1,358 19,945 SH   SOLE   19,945 0 0
NORFOLK SOUTHERN CORP COM 655844108 623 6,710 SH   SOLE   6,710 0 0
NORTHERN TIER ENERGY LP COM UN REPR PART 665826103 11,596 471,366 SH   SOLE   471,366 0 0
NRG ENERGY INC COM NEW 629377508 976 34,000 SH   SOLE   34,000 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 48,299 947,232 SH   SOLE   947,232 0 0
NUSTAR GP HOLDINGS LLC UNIT RESTG LLC 67059L102 3,317 118,100 SH   SOLE   118,100 0 0
OCCIDENTAL PETE CORP DEL COM 674599105 2,425 25,500 SH   SOLE   25,500 0 0
OCI PARTNERS LP COM UNIT REP LP 67091N108 2,262 81,961 SH   SOLE   81,961 0 0
OILTANKING PARTNERS L P UNIT LTD 678049107 10,847 174,750 SH   SOLE   174,750 0 0
ONEOK INC NEW COM 682680103 101,215 1,627,777 SH   SOLE   1,627,777 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 15,235 289,365 SH   SOLE   289,365 0 0
PACIFIC COAST OIL TR UNIT BEN INT 694103102 4,299 339,029 SH   SOLE   339,029 0 0
PEABODY ENERGY CORP COM 704549104 586 30,000 SH   SOLE   30,000 0 0
PETROLOGISTICS LP UNIT LTD PTH INT 71672U101 2,912 250,000 SH   SOLE   250,000 0 0
PG&E CORP COM 69331C108 1,208 30,000 SH   SOLE   30,000 0 0
PHILLIPS 66 COM 718546104 37,256 483,028 SH   SOLE   483,028 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 35,932 947,332 SH   SOLE   947,332 0 0
PINNACLE WEST CAP CORP COM 723484101 370 7,000 SH   SOLE   7,000 0 0
PIONEER NAT RES CO COM 723787107 1,453 7,895 SH   SOLE   7,895 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 53,960 1,042,310 SH   SOLE   1,042,310 0 0
PLAINS GP HLDGS L P SHS A REP LTPN 72651A108 28,146 1,051,415 SH   SOLE   1,051,415 0 0
PPL CORP COM 69351T106 3,009 100,000 SH   SOLE   100,000 0 0
PRECISION DRILLING CORP COM 2010 74022D308 515 55,000 SH   SOLE   55,000 0 0
PVR PARTNERS L P COM UNIT REPTG L 693665101 52,092 1,941,558 SH   SOLE   1,941,558 0 0
QEP MIDSTREAM PARTNERS LP COM UNIT RP LTD 74735R115 23,727 1,021,795 SH   SOLE   1,021,795 0 0
QR ENERGY LP UNIT LTD PRTNS 74734R108 29,596 1,728,718 SH   SOLE   1,728,718 0 0
QUALITY DISTR INC FLA COM 74756M102 616 48,000 SH   SOLE   48,000 0 0
QUANTA SVCS INC COM 74762E102 3,258 103,250 SH   SOLE   103,250 0 0
RANGE RES CORP COM 75281A109 888 10,535 SH   SOLE   10,535 0 0
REGENCY ENERGY PARTNERS L P COM UNITS L P 75885Y107 22,064 840,200 SH   SOLE   840,200 0 0
ROSE ROCK MIDSTREAM L P COM U REP LTD 777149105 17,786 459,576 SH   SOLE   459,576 0 0
ROSETTA RESOURCES INC COM 777779307 1,968 40,961 SH   SOLE   40,961 0 0
ROYAL DUTCH SHELL PLC SPON ADR B 780259107 2,815 39,500 SH   SOLE   39,500 0 0
SABINE ROYALTY TR UNIT BEN INT 785688102 969 19,173 SH   SOLE   19,173 0 0
SAIA INC COM 78709Y105 953 29,750 SH   SOLE   29,750 0 0
SANDRIDGE PERMIAN TR COM UNIT BEN INT 80007A102 1,955 165,000 SH   SOLE   165,000 0 0
SCORPIO TANKERS INC SHS Y7542C106 236 20,000 SH   SOLE   20,000 0 0
SEADRILL LIMITED SHS G7945E105 2,876 70,000 SH   SOLE   70,000 0 0
SEADRILL PARTNERS LLC COMUNIT REP LB Y7545W109 7,144 230,450 SH   SOLE   230,450 0 0
SEMGROUP CORP CL A 81663A105 32,330 495,635 SH   SOLE   495,635 0 0
SOUTHERN CO COM 842587107 2,487 60,500 SH   SOLE   60,500 0 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 652 14,387 SH   SOLE   14,387 0 0
SPRAGUE RES LP COM UNIT REP LTD 849343108 3,626 198,782 SH   SOLE   198,782 0 0
SUBURBAN PROPANE PARTNERS L UNIT LTD PARTN 864482104 17,194 366,617 SH   SOLE   366,617 0 0
SUNOCO LOGISTICS PRTNRS L P COM UNITS 86764L108 63,669 843,522 SH   SOLE   843,522 0 0
SWIFT TRANSN CO CL A 87074U101 3,026 136,250 SH   SOLE   136,250 0 0
TARGA RES CORP COM 87612G101 104,419 1,184,287 SH   SOLE   1,184,287 0 0
TARGA RESOURCES PARTNERS LP COM UNIT 87611X105 43,411 830,034 SH   SOLE   830,034 0 0
TC PIPELINES LP UT COM LTD PRT 87233Q108 6,916 142,800 SH   SOLE   142,800 0 0
TEAM INC COM 878155100 423 10,000 SH   SOLE   10,000 0 0
TEEKAY CORPORATION COM Y8564W103 11,249 234,315 SH   SOLE   234,315 0 0
TEEKAY LNG PARTNERS L P PRTNRSP UNITS Y8564M105 2,563 60,000 SH   SOLE   60,000 0 0
TEEKAY OFFSHORE PARTNERS L P PARTNERSHIP UN Y8565J101 2,647 80,000 SH   SOLE   80,000 0 0
TEREX CORP NEW COM 880779103 672 16,000 SH   SOLE   16,000 0 0
TESORO CORP COM 881609101 4,972 84,985 SH   SOLE   84,985 0 0
TESORO LOGISTICS LP COM UNIT LP 88160T107 63,970 1,222,199 SH   SOLE   1,222,199 0 0
TETRA TECHNOLOGIES INC DEL COM 88162F105 824 66,665 SH   SOLE   66,665 0 0
TRINITY INDS INC COM 896522109 2,747 50,385 SH   SOLE   50,385 0 0
U S SILICA HLDGS INC COM 90346E103 409 12,000 SH   SOLE   12,000 0 0
UBS AG JERSEY BRANCH 2XMN ALR MLP INF 902664200 7,607 135,000 SH   SOLE   135,000 0 0
UBS AG JERSEY BRH ALERIAN INFRST 902641646 7,097 180,000 SH   SOLE   180,000 0 0
UNITED RENTALS INC COM 911363109 4,971 63,770 SH   SOLE   63,770 0 0
UNITED STATES STL CORP NEW COM 912909108 590 20,000 SH   SOLE   20,000 0 0
VALERO ENERGY PARTNERS LP COM UNT REP LP 91914J102 26,182 760,019 SH   SOLE   760,019 0 0
VANGUARD NAT RES LLC COM UNIT 92205F106 22,720 769,635 SH   SOLE   769,635 0 0
WABASH NATL CORP COM 929566107 777 62,870 SH   SOLE   62,870 0 0
WABTEC CORP COM 929740108 1,857 25,000 SH   SOLE   25,000 0 0
WALTER ENERGY INC COM 93317Q105 200 12,000 SH   SOLE   12,000 0 0
WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 26,128 660,970 SH   SOLE   660,970 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 56,877 921,982 SH   SOLE   921,982 0 0
WESTERN REFNG INC COM 959319104 3,544 83,550 SH   SOLE   83,550 0 0
WESTERN REFNG LOGISTICS LP COM UNIT REP LTP 95931Q205 8,134 314,400 SH   SOLE   314,400 0 0
WESTLAKE CHEM CORP COM 960413102 5,637 46,175 SH   SOLE   46,175 0 0
WILLIAMS COS INC DEL COM 969457100 68,724 1,781,800 SH   SOLE   1,781,800 0 0
WILLIAMS PARTNERS L P COM UNIT L P 96950F104 71,355 1,402,971 SH   SOLE   1,402,971 0 0
WORLD PT TERMS LP UNIT REP LTD PT 98159G107 1,944 101,000 SH   SOLE   101,000 0 0
WORTHINGTON INDS INC COM 981811102 337 8,000 SH   SOLE   8,000 0 0