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 120,091 2,086,720 SH   SOLE 2,086,720 0 0
ALBEMARLE CORP COM 012653101 1,278 19,240 SH   SOLE 19,240 0 0
ALLIANCE HOLDINGS GP LP COM UNITS LP 01861G100 34,461 554,745 SH   SOLE 554,745 0 0
ALON USA PARTNERS LP UT LTDPART INT 02052T109 2,704 162,289 SH   SOLE 162,289 0 0
AMERICAN MIDSTREAM PARTNERS COM UNITS 02752P100 3,000 117,825 SH   SOLE 117,825 0 0
ARDMORE SHIPPING CORP COM Y0207T100 3,591 269,969 SH   SOLE 269,969 0 0
ATLAS ENERGY LP COM UNITS LP 04930A104 26,555 616,991 SH   SOLE 616,991 0 0
ATLAS PIPELINE PARTNERS LP UNIT L P INT 049392103 64,260 2,001,240 SH   SOLE 2,001,240 0 0
ATLAS RESOURCE PARTNERS LP COM UNT LTD PR 04941A101 23,513 1,125,557 SH   SOLE 1,125,557 0 0
BAKER HUGHES INC COM 057224107 401 6,166 SH   SOLE 6,166 0 0
BASIC ENERGY SVCS INC NEW COM 06985P100 553 20,170 SH   SOLE 20,170 0 0
BLUEKNIGHT ENERGY PARTNERS L COM UNIT 09625U109 44,799 5,033,638 SH   SOLE 5,033,638 0 0
BOARDWALK PIPELINE PARTNERS UT LTD PARTNER 096627104 6,439 480,200 SH   SOLE 480,200 0 0
BREITBURN ENERGY PARTNERS LP COM UT LTD PTN 106776107 73,757 3,693,404 SH   SOLE 3,693,404 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 9,024 120,242 SH   SOLE 120,242 0 0
CABOT OIL & GAS CORP COM 127097103 2,434 71,832 SH   SOLE 71,832 0 0
CALPINE CORP COM NEW 131347304 2,064 98,722 SH   SOLE 98,722 0 0
CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER 131476103 2,199 85,100 SH   SOLE 85,100 0 0
CAMERON INTERNATIONAL CORP COM 13342B105 2,496 40,410 SH   SOLE 40,410 0 0
CANADIAN PAC RY LTD COM 13645T100 2,483 16,506 SH   SOLE 16,506 0 0
CAPITAL PRODUCT PARTNERS L P COM UNIT LP Y11082107 54,169 4,946,947 SH   SOLE 4,946,947 0 0
CELADON GROUP INC COM 150838100 622 25,890 SH   SOLE 25,890 0 0
CF INDS HLDGS INC COM 125269100 657 2,520 SH   SOLE 2,520 0 0
CHART INDS INC COM PAR $0.01 16115Q308 2,612 32,885 SH   SOLE 32,885 0 0
CHENIERE ENERGY INC COM NEW 16411R208 22,722 410,515 SH   SOLE 410,515 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 7,260 242,000 SH   SOLE 242,000 0 0
CHICAGO BRIDGE & IRON CO N V COM 167250109 4,270 49,000 SH   SOLE 49,000 0 0
CMS ENERGY CORP COM 125896100 777 26,540 SH   SOLE 26,540 0 0
CONCHO RES INC COM 20605P101 1,124 9,176 SH   SOLE 9,176 0 0
CRESCENT PT ENERGY CORP COM 22576C101 10,625 290,827 SH   SOLE 290,827 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344109 19,729 1,425,514 SH   SOLE 1,425,514 0 0
CRESTWOOD MIDSTREAM PARTNERS UNIT LTD PARTNER 226378107 7,426 329,440 SH   SOLE 329,440 0 0
CUSHING MLP TOTAL RETURN FD COM SHS 231631102 129 15,743 SH   SOLE 15,743 0 0
CUSHING RTY & INCOME FD COM SH BEN INT 23164R104 191 10,351 SH   SOLE 10,351 0 0
CVR REFNG LP COMUNIT REP LT 12663P107 5,482 235,486 SH   SOLE 235,486 0 0
DCP MIDSTREAM PARTNERS LP COM UT LTD PTN 23311P100 67,793 1,353,136 SH   SOLE 1,353,136 0 0
DELEK LOGISTICS PARTNERS LP COM UNT RP INT 24664T103 9,148 274,716 SH   SOLE 274,716 0 0
DOMINION RES INC VA NEW COM 25746U109 1,615 22,755 SH   SOLE 22,755 0 0
DORCHESTER MINERALS LP COM UNIT 25820R105 8,717 332,703 SH   SOLE 332,703 0 0
DOW CHEM CO COM 260543103 4,675 96,210 SH   SOLE 96,210 0 0
DRESSER-RAND GROUP INC COM 261608103 2,297 39,315 SH   SOLE 39,315 0 0
DU PONT E I DE NEMOURS & CO COM 263534109 2,684 40,000 SH   SOLE 40,000 0 0
DUKE ENERGY CORP NEW COM NEW 26441C204 2,350 33,000 SH   SOLE 33,000 0 0
EAGLE ROCK ENERGY PARTNERS L UNIT 26985R104 9,391 1,785,364 SH   SOLE 1,785,364 0 0
EASTMAN CHEM CO COM 277432100 2,245 26,041 SH   SOLE 26,041 0 0
EL PASO PIPELINE PARTNERS L COM UNIT LPI 283702108 5,774 190,000 SH   SOLE 190,000 0 0
EMERGE ENERGY SVCS LP COM REP PARTN 29102H108 8,588 138,030 SH   SOLE 138,030 0 0
ENBRIDGE ENERGY MANAGEMENT L SHS UNITS LLI 29250X103 4,661 168,214 SH   SOLE 168,214 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 49,862 1,819,142 SH   SOLE 1,819,142 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 148,666 3,180,017 SH   SOLE 3,180,017 0 0
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R109 89,994 1,673,051 SH   SOLE 1,673,051 0 0
ENERPLUS CORP COM 292766102 11,589 578,605 SH   SOLE 578,605 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 9,361 275,800 SH   SOLE 275,800 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 87,817 2,886,816 SH   SOLE 2,886,816 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 79,788 1,150,354 SH   SOLE 1,150,354 0 0
EOG RES INC COM 26875P101 2,666 13,589 SH   SOLE 13,589 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 39,886 567,130 SH   SOLE 567,130 0 0
EV ENERGY PARTNERS LP COM UNITS 26926V107 20,476 611,407 SH   SOLE 611,407 0 0
EXTERRAN HLDGS INC COM 30225X103 9,474 215,898 SH   SOLE 215,898 0 0
EXTERRAN PARTNERS LP COM UNITS 30225N105 5,768 202,400 SH   SOLE 202,400 0 0
FERRELLGAS PARTNERS L.P. UNIT LTD PART 315293100 3,071 133,000 SH   SOLE 133,000 0 0
FLOTEK INDS INC DEL COM 343389102 231 8,280 SH   SOLE 8,280 0 0
FLOWSERVE CORP COM 34354P105 3,353 42,803 SH   SOLE 42,803 0 0
FLUOR CORP NEW COM 343412102 3,506 45,100 SH   SOLE 45,100 0 0
FOSTER WHEELER AG COM H27178104 713 22,000 SH   SOLE 22,000 0 0
FRANKS INTL N V COM N33462107 739 29,835 SH   SOLE 29,835 0 0
FURMANITE CORPORATION COM 361086101 382 38,900 SH   SOLE 38,900 0 0
GASLOG LTD SHS G37585109 15,498 665,445 SH   SOLE 665,445 0 0
GENESEE & WYO INC CL A 371559105 3,053 31,371 SH   SOLE 31,371 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 88,673 1,636,034 SH   SOLE 1,636,034 0 0
GOLAR LNG LTD BERMUDA SHS G9456A100 33,823 811,280 SH   SOLE 811,280 0 0
GREENBRIER COS INC COM 393657101 3,799 83,314 SH   SOLE 83,314 0 0
HALLIBURTON CO COM 406216101 286 4,860 SH   SOLE 4,860 0 0
HOLLYFRONTIER CORP COM 436106108 3,614 75,966 SH   SOLE 75,966 0 0
ITC HLDGS CORP COM 465685105 2,183 58,437 SH   SOLE 58,437 0 0
ITT CORP NEW COM NEW 450911201 1,625 37,994 SH   SOLE 37,994 0 0
JACOBS ENGR GROUP INC DEL COM 469814107 952 15,000 SH   SOLE 15,000 0 0
KBR INC COM 48242W106 2,257 84,594 SH   SOLE 84,594 0 0
KEY ENERGY SVCS INC COM 492914106 430 46,550 SH   SOLE 46,550 0 0
KINDER MORGAN ENERGY PARTNER UT LTD PARTNER 494550106 1,474 19,940 SH   SOLE 19,940 0 0
KINDER MORGAN INC DEL COM 49456B101 48,922 1,505,743 SH   SOLE 1,505,743 0 0
KINDER MORGAN MANAGEMENT LLC SHS 49455U100 68,230 952,000 SH   SOLE 952,000 0 0
KIRBY CORP COM 497266106 6,245 61,678 SH   SOLE 61,678 0 0
KNOT OFFSHORE PARTNERS LP COM UNITS Y48125101 2,459 85,970 SH   SOLE 85,970 0 0
LEGACY RESERVES LP UNIT LP INT 524707304 28,295 1,139,073 SH   SOLE 1,139,073 0 0
LINCOLN ELEC HLDGS INC COM 533900106 1,612 22,394 SH   SOLE 22,394 0 0
LINN ENERGY LLC UNIT LTD LIAB 536020100 51,375 1,814,097 SH   SOLE 1,814,097 0 0
LINNCO LLC COMSHS LTD INT 535782106 15,600 576,697 SH   SOLE 576,697 0 0
LRR ENERGY LP COM 50214A104 5,220 304,042 SH   SOLE 304,042 0 0
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 11,027 123,978 SH   SOLE 123,978 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 78,043 1,119,048 SH   SOLE 1,119,048 0 0
MANITEX INTL INC COM 563420108 337 20,680 SH   SOLE 20,680 0 0
MANITOWOC INC COM 563571108 377 12,000 SH   SOLE 12,000 0 0
MARATHON PETE CORP COM 56585A102 30,157 346,471 SH   SOLE 346,471 0 0
MARKWEST ENERGY PARTNERS L P UNIT LTD PARTN 570759100 69,578 1,065,186 SH   SOLE 1,065,186 0 0
MEMORIAL PRODTN PARTNERS LP COM U REP LTD 586048100 30,279 1,343,927 SH   SOLE 1,343,927 0 0
MID CON ENERGY PARTNERS LP COM UNIT REPST 59560V109 20,970 969,505 SH   SOLE 969,505 0 0
MPLX LP COM UNIT REP LTD 55336V100 36,596 747,017 SH   SOLE 747,017 0 0
MRC GLOBAL INC COM 55345K103 2,516 93,311 SH   SOLE 93,311 0 0
NABORS INDUSTRIES LTD SHS G6359F103 493 20,000 SH   SOLE 20,000 0 0
NATURAL RESOURCE PARTNERS L COM UNIT L P 63900P103 9,842 618,194 SH   SOLE 618,194 0 0
NAVIGATOR HOLDINGS LTD SHS Y62132108 8,749 336,483 SH   SOLE 336,483 0 0
NAVIOS MARITIME PARTNERS L P UNIT LPI Y62267102 43,092 2,211,000 SH   SOLE 2,211,000 0 0
NEWFIELD EXPL CO COM 651290108 864 27,549 SH   SOLE 27,549 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 112,675 3,002,243 SH   SOLE 3,002,243 0 0
NOBLE ENERGY INC COM 655044105 1,153 16,235 SH   SOLE 16,235 0 0
NRG ENERGY INC COM NEW 629377508 1,546 48,613 SH   SOLE 48,613 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 58,768 1,069,477 SH   SOLE 1,069,477 0 0
NUSTAR GP HOLDINGS LLC UNIT RESTG LLC 67059L102 5,892 173,080 SH   SOLE 173,080 0 0
OASIS PETE INC NEW COM 674215108 1,065 25,510 SH   SOLE 25,510 0 0
OCCIDENTAL PETE CORP DEL COM 674599105 1,906 20,000 SH   SOLE 20,000 0 0
OCI PARTNERS LP COM UNIT REP LP 67091N108 5,506 256,822 SH   SOLE 256,822 0 0
OILTANKING PARTNERS L P UNIT LTD 678049107 13,355 173,200 SH   SOLE 173,200 0 0
ONEOK INC NEW COM 682680103 96,658 1,631,367 SH   SOLE 1,631,367 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 15,614 291,586 SH   SOLE 291,586 0 0
PACIFIC COAST OIL TR UNIT BEN INT 694103102 4,540 339,029 SH   SOLE 339,029 0 0
PATTERSON UTI ENERGY INC COM 703481101 1,204 38,011 SH   SOLE 38,011 0 0
PETROLOGISTICS LP UNIT LTD PTH INT 71672U101 8,141 654,420 SH   SOLE 654,420 0 0
PG&E CORP COM 69331C108 1,296 30,000 SH   SOLE 30,000 0 0
PHILLIPS 66 COM 718546104 35,437 459,861 SH   SOLE 459,861 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 46,296 953,193 SH   SOLE 953,193 0 0
PINNACLE WEST CAP CORP COM 723484101 765 14,000 SH   SOLE 14,000 0 0
PIONEER NAT RES CO COM 723787107 1,962 10,482 SH   SOLE 10,482 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 50,141 909,658 SH   SOLE 909,658 0 0
PLAINS GP HLDGS L P SHS A REP LTPN 72651A108 19,905 711,396 SH   SOLE 711,396 0 0
PPL CORP COM 69351T106 3,314 100,000 SH   SOLE 100,000 0 0
PRIMORIS SVCS CORP COM 74164F103 429 14,319 SH   SOLE 14,319 0 0
QEP MIDSTREAM PARTNERS LP COM UNIT RP LTD 74735R115 12,010 513,705 SH   SOLE 513,705 0 0
QR ENERGY LP UNIT LTD PRTNS 74734R108 34,470 1,927,841 SH   SOLE 1,927,841 0 0
QUALITY DISTR INC FLA COM 74756M102 1,835 141,282 SH   SOLE 141,282 0 0
QUANTA SVCS INC COM 74762E102 4,451 120,636 SH   SOLE 120,636 0 0
RANGE RES CORP COM 75281A109 250 3,015 SH   SOLE 3,015 0 0
REGENCY ENERGY PARTNERS L P COM UNITS L P 75885Y107 50,836 1,867,586 SH   SOLE 1,867,586 0 0
ROSE ROCK MIDSTREAM L P COM U REP LTD 777149105 11,592 279,396 SH   SOLE 279,396 0 0
ROWAN COMPANIES PLC SHS CL A G7665A101 348 10,337 SH   SOLE 10,337 0 0
ROYAL DUTCH SHELL PLC SPON ADR B 780259107 2,886 39,500 SH   SOLE 39,500 0 0
RSP PERMIAN INC COM 74978Q105 8,022 277,686 SH   SOLE 277,686 0 0
SABINE ROYALTY TR UNIT BEN INT 785688102 949 19,173 SH   SOLE 19,173 0 0
SAIA INC COM 78709Y105 728 19,046 SH   SOLE 19,046 0 0
SANDRIDGE PERMIAN TR COM UNIT BEN INT 80007A102 3,125 260,000 SH   SOLE 260,000 0 0
SCORPIO TANKERS INC SHS Y7542C106 7,616 763,925 SH   SOLE 763,925 0 0
SEADRILL LIMITED SHS G7945E105 14,579 414,652 SH   SOLE 414,652 0 0
SEADRILL PARTNERS LLC COMUNIT REP LB Y7545W109 10,905 363,500 SH   SOLE 363,500 0 0
SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y886 815 19,650 SH   SOLE 19,650 0 0
SEMGROUP CORP CL A 81663A105 30,868 469,982 SH   SOLE 469,982 0 0
SOUTHCROSS ENERGY PARTNERS L COM UNIT LTDPT 84130C100 8,532 503,375 SH   SOLE 503,375 0 0
SOUTHERN CO COM 842587107 2,658 60,500 SH   SOLE 60,500 0 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 854 17,455 SH   SOLE 17,455 0 0
SPRAGUE RES LP COM UNIT REP LTD 849343108 3,928 198,782 SH   SOLE 198,782 0 0
STEEL DYNAMICS INC COM 858119100 460 25,858 SH   SOLE 25,858 0 0
SUBURBAN PROPANE PARTNERS L UNIT LTD PARTN 864482104 18,469 444,617 SH   SOLE 444,617 0 0
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 3,091 72,135 SH   SOLE 72,135 0 0
SUNOCO LOGISTICS PRTNRS L P COM UNITS 86764L108 73,979 814,030 SH   SOLE 814,030 0 0
SUPERIOR ENERGY SVCS INC COM 868157108 318 10,343 SH   SOLE 10,343 0 0
SWIFT TRANSN CO CL A 87074U101 4,075 164,653 SH   SOLE 164,653 0 0
TARGA RES CORP COM 87612G101 109,291 1,101,064 SH   SOLE 1,101,064 0 0
TARGA RESOURCES PARTNERS LP COM UNIT 87611X105 51,128 909,827 SH   SOLE 909,827 0 0
TC PIPELINES LP UT COM LTD PRT 87233Q108 6,844 142,800 SH   SOLE 142,800 0 0
TEAM INC COM 878155100 444 10,348 SH   SOLE 10,348 0 0
TEEKAY CORPORATION COM Y8564W103 24,276 431,647 SH   SOLE 431,647 0 0
TEEKAY LNG PARTNERS L P PRTNRSP UNITS Y8564M105 2,480 60,000 SH   SOLE 60,000 0 0
TEEKAY OFFSHORE PARTNERS L P PARTNERSHIP UN Y8565J101 2,618 80,000 SH   SOLE 80,000 0 0
TEREX CORP NEW COM 880779103 819 18,482 SH   SOLE 18,482 0 0
TESORO CORP COM 881609101 4,747 93,831 SH   SOLE 93,831 0 0
TESORO LOGISTICS LP COM UNIT LP 88160T107 71,376 1,185,447 SH   SOLE 1,185,447 0 0
TETRA TECHNOLOGIES INC DEL COM 88162F105 1,285 100,401 SH   SOLE 100,401 0 0
TRANSMONTAIGNE PARTNERS L P COM UNIT L P 89376V100 454 10,550 SH   SOLE 10,550 0 0
TRINITY INDS INC COM 896522109 6,896 95,690 SH   SOLE 95,690 0 0
U S SILICA HLDGS INC COM 90346E103 1,209 31,680 SH   SOLE 31,680 0 0
UBS AG JERSEY BRANCH 2XMN ALR MLP INF 902664200 7,327 130,000 SH   SOLE 130,000 0 0
UBS AG JERSEY BRH ALERIAN INFRST 902641646 6,990 175,500 SH   SOLE 175,500 0 0
UNION PAC CORP COM 907818108 971 5,172 SH   SOLE 5,172 0 0
UNITED RENTALS INC COM 911363109 9,680 101,958 SH   SOLE 101,958 0 0
VALERO ENERGY PARTNERS LP COM UNT REP LP 91914J102 29,441 743,647 SH   SOLE 743,647 0 0
VANGUARD NAT RES LLC COM UNIT 92205F106 23,912 803,235 SH   SOLE 803,235 0 0
WABASH NATL CORP COM 929566107 1,308 95,026 SH   SOLE 95,026 0 0
WABTEC CORP COM 929740108 1,937 25,000 SH   SOLE 25,000 0 0
WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 29,507 600,835 SH   SOLE 600,835 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 66,499 1,004,663 SH   SOLE 1,004,663 0 0
WESTERN REFNG INC COM 959319104 3,577 92,680 SH   SOLE 92,680 0 0
WESTERN REFNG LOGISTICS LP COM UNIT REP LTP 95931Q205 9,762 313,400 SH   SOLE 313,400 0 0
WESTLAKE CHEM CORP COM 960413102 6,667 100,728 SH   SOLE 100,728 0 0
WILLBROS GROUP INC DEL COM 969203108 379 30,000 SH   SOLE 30,000 0 0
WILLIAMS COS INC DEL COM 969457100 73,698 1,816,125 SH   SOLE 1,816,125 0 0
WILLIAMS PARTNERS L P COM UNIT L P 96950F104 79,176 1,554,299 SH   SOLE 1,554,299 0 0
WORLD PT TERMS LP UNIT REP LTD PT 98159G107 2,096 101,000 SH   SOLE 101,000 0 0
WORTHINGTON INDS INC COM 981811102 256 6,690 SH   SOLE 6,690 0 0