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
AIR PRODS & CHEMS INC COM 009158106 3,346 26,224 SH   DFND 1 26,224 0 0
ALLIANCE HOLDINGS GP LP COM UNITS LP 01861G100 3,433 110,900 SH   SOLE 110,900 0 0
AMERICAN MIDSTREAM PARTNERS COM UNITS 02752P100 1,038 93,700 SH   SOLE 93,700 0 0
AMERIGAS PARTNERS L P UNIT L P INT 030975106 2,137 51,450 SH   SOLE 51,450 0 0
ANADARKO PETE CORP COM 032511107 4,729 78,300 SH   DFND 1 78,300 0 0
ANTERO MIDSTREAM PARTNERS LP UNT LTD PARTN 03673L103 4,465 250,015 SH   DFND 1 250,015 0 0
AXALTA COATING SYS LTD COM G0750C108 7,688 303,399 SH   DFND 1 303,399 0 0
BAKER HUGHES INC COM 057224107 520 10,001 SH   SOLE 10,001 0 0
BLUEKNIGHT ENERGY PARTNERS L COM UNIT 09625U109 26,094 4,618,484 SH   DFND 1 4,618,484 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 6,335 106,880 SH   SOLE 106,880 0 0
CALPINE CORP COM NEW 131347304 1,830 125,365 SH   SOLE 125,365 0 0
CALUMET SPECIALTY PRODS PTNR UT LTD PARTNER 131476103 4,856 200,000 SH   SOLE 200,000 0 0
CANADIAN PAC RY LTD COM 13645T100 4,937 34,384 SH   DFND 1 34,384 0 0
CAPITAL PRODUCT PARTNERS L P COM UNIT LP Y11082107 48,806 7,923,073 SH   DFND 1 7,923,073 0 0
CELADON GROUP INC COM 150838100 315 19,653 SH   SOLE 19,653 0 0
CENOVUS ENERGY INC COM 15135U109 2,893 190,850 SH   DFND 1 190,850 0 0
CENTERPOINT ENERGY INC COM 15189T107 3,012 166,965 SH   SOLE 166,965 0 0
CHENIERE ENERGY INC COM NEW 16411R208 12,593 260,729 SH   DFND 1 260,729 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 6,058 230,000 SH   SOLE 230,000 0 0
CHEVRON CORP NEW COM 166764100 6,092 77,230 SH   DFND 1 77,230 0 0
CHICAGO BRIDGE & IRON CO N V COM 167250109 492 12,409 SH   SOLE 12,409 0 0
COLUMBIA PIPELINE GROUP INC COM 198280109 12,509 683,938 SH   DFND 1 683,938 0 0
COLUMBIA PIPELINE PARTNERS L COM UT REPSTG 198281107 6,029 476,246 SH   SOLE 476,246 0 0
CONCHO RES INC COM 20605P101 574 5,835 SH   SOLE 5,835 0 0
CONOCOPHILLIPS COM 20825C104 5,729 119,452 SH   DFND 1 119,452 0 0
CREDIT SUISSE NASSAU BRH X LINK CUSH MLP 22542D852 624 30,400 SH   SOLE 30,400 0 0
CRESTWOOD MIDSTREAM PARTNERS UNIT LTD PARTNER 226378107 2,217 358,800 SH   SOLE 358,800 0 0
CSX CORP COM 126408103 7,913 294,164 SH   DFND 1 294,164 0 0
DCP MIDSTREAM PARTNERS LP COM UT LTD PTN 23311P100 14,263 589,850 SH   DFND 1 589,850 0 0
DELEK LOGISTICS PARTNERS LP COM UNT RP INT 24664T103 3,745 124,000 SH   SOLE 124,000 0 0
DEVON ENERGY CORP NEW COM 25179M103 3,674 99,053 SH   DFND 1 99,053 0 0
DIAMONDBACK ENERGY INC COM 25278X109 524 8,111 SH   SOLE 8,111 0 0
DOMINION MIDSTREAM PARTNERS COM UT REP LTD 257454108 20,193 752,040 SH   DFND 1 752,040 0 0
DOMINION RES INC VA NEW COM 25746U109 16,833 239,180 SH   DFND 1 239,180 0 0
DORCHESTER MINERALS LP COM UNIT 25820R105 7,734 534,831 SH   DFND 1 534,831 0 0
DOW CHEM CO COM 260543103 17,712 417,740 SH   DFND 1 417,740 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 17,045 1,348,484 SH   DFND 1 1,348,484 0 0
ENBRIDGE ENERGY MANAGEMENT L SHS UNITS LLI 29250X103 3,542 148,945 SH   SOLE 148,945 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 40,588 1,641,885 SH   DFND 1 1,641,885 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 113,233 5,441,271 SH   DFND 1 5,441,271 0 0
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R109 120,414 2,931,918 SH   DFND 1 2,931,918 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 48,267 3,062,630 SH   DFND 1 3,062,630 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 126,475 5,079,338 SH   DFND 1 5,079,338 0 0
EOG RES INC COM 26875P101 5,564 76,424 SH   DFND 1 76,424 0 0
EQT GP HLDGS LP COM UNIT REP 26885J103 18,911 831,608 SH   DFND 1 831,608 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 101,438 1,529,300 SH   DFND 1 1,529,300 0 0
EURONAV NV ANTWERPEN SHS B38564108 934 67,216 SH   SOLE 67,216 0 0
EV ENERGY PARTNERS LP COM UNITS 26926V107 8,645 1,440,774 SH   DFND 1 1,440,774 0 0
EXELON CORP COM 30161N101 2,227 75,000 SH   SOLE 75,000 0 0
EXXON MOBIL CORP COM 30231G102 4,446 59,800 SH   DFND 1 59,800 0 0
FLOWSERVE CORP COM 34354P105 6 41,400 SH Call SOLE 41,400 0 0
FMC TECHNOLOGIES INC COM 30249U101 961 31,010 SH   SOLE 31,010 0 0
FORTRESS TRANS INFRST INVS L COM REP LTD LIAB 34960P101 3,091 240,908 SH   DFND 1 240,908 0 0
GASLOG LTD SHS G37585109 7,221 750,612 SH   DFND 1 750,612 0 0
GASLOG PARTNERS LP UNIT LTD PTNRP Y2687W108 6,177 382,934 SH   DFND 1 382,934 0 0
GENER8 MARITIME INC COM Y26889108 849 77,564 SH   SOLE 77,564 0 0
GENERAL ELECTRIC CO COM 369604103 3,696 146,569 SH   DFND 1 146,569 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 105,611 2,754,593 SH   DFND 1 2,754,593 0 0
GOLAR LNG LTD BERMUDA SHS G9456A100 36,957 1,325,587 SH   DFND 1 1,325,587 0 0
GOLAR LNG PARTNERS LP COM UNIT LPI Y2745C102 24,346 1,659,546 SH   DFND 1 1,659,546 0 0
GREENBRIER COS INC COM 393657101 2,844 88,589 SH   DFND 1 88,589 0 0
HOEGH LNG PARTNERS LP COM UNIT LTD Y3262R100 834 51,339 SH   DFND 1 51,339 0 0
HOLLYFRONTIER CORP COM 436106108 81 31,000 SH Call SOLE 31,000 0 0
HOLLYFRONTIER CORP COM 436106108 3,663 75,000 SH   SOLE 75,000 0 0
HUNT J B TRANS SVCS INC COM 445658107 3,129 43,824 SH   DFND 1 43,824 0 0
ITT CORP NEW COM NEW 450911201 7,250 216,871 SH   DFND 1 216,871 0 0
JACOBS ENGR GROUP INC DEL COM 469814107 4,534 121,134 SH   DFND 1 121,134 0 0
KANSAS CITY SOUTHERN COM NEW 485170302 818 8,998 SH   SOLE 8,998 0 0
KINDER MORGAN INC DEL COM 49456B101 113,184 4,089,001 SH   DFND 1 4,089,001 0 0
KIRBY CORP COM 497266106 2,563 41,365 SH   DFND 1 41,365 0 0
LEGACY RESVS LP UNIT LP INT 524707304 7,883 1,927,354 SH   DFND 1 1,927,354 0 0
LINCOLN ELEC HLDGS INC COM 533900106 1,859 35,451 SH   DFND 1 35,451 0 0
LINNCO LLC COM SHS LTD INT 535782106 126 139,600 SH Put SOLE 139,600 0 0
LRR ENERGY LP COM 50214A104 983 243,260 SH   DFND 1 243,260 0 0
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 14,439 173,213 SH   DFND 1 173,213 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 53,090 883,223 SH   DFND 1 883,223 0 0
MANITOWOC INC COM 563571108 160 10,645 SH   SOLE 10,645 0 0
MARATHON PETE CORP COM 56585A102 14,308 308,832 SH   DFND 1 308,832 0 0
MARKWEST ENERGY PARTNERS L P UNIT LTD PARTN 570759100 62,044 1,445,923 SH   DFND 1 1,445,923 0 0
MEMORIAL PRODTN PARTNERS LP COM U REP LTD 586048100 7,317 1,521,136 SH   DFND 1 1,521,136 0 0
MID CON ENERGY PARTNERS LP COM UNIT REPST 59560V109 1,581 735,531 SH   DFND 1 735,531 0 0
MOBILE MINI INC COM 60740F105 1,895 61,559 SH   DFND 1 61,559 0 0
MPLX LP COM UNIT REP LTD 55336V100 15,798 413,450 SH   DFND 1 413,450 0 0
NAVIGATOR HOLDINGS LTD SHS Y62132108 1,514 113,400 SH   SOLE 113,400 0 0
NAVIOS MARITIME PARTNERS L P UNIT LPI Y62267102 13,968 1,916,000 SH   DFND 1 1,916,000 0 0
NEFF CORP COM CL A 640094207 1,922 343,796 SH   DFND 1 343,796 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 545 25,000 SH   SOLE 25,000 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 57,135 2,861,022 SH   DFND 1 2,861,022 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 53,007 1,182,685 SH   DFND 1 1,182,685 0 0
NUSTAR GP HOLDINGS LLC UNIT RESTG LLC 67059L102 3,403 127,300 SH   SOLE 127,300 0 0
OCCIDENTAL PETE CORP DEL COM 674599105 6,122 92,550 SH   DFND 1 92,550 0 0
OLD DOMINION FGHT LINES INC COM 679580100 7,179 117,680 SH   DFND 1 117,680 0 0
ONEOK INC NEW COM 682680103 30,189 937,550 SH   DFND 1 937,550 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 39,667 1,355,680 SH   DFND 1 1,355,680 0 0
PHILLIPS 66 COM 718546104 31,504 410,002 SH   DFND 1 410,002 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 19,275 391,219 SH   DFND 1 391,219 0 0
PIONEER NAT RES CO COM 723787107 4,680 38,476 SH   DFND 1 38,476 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 61,389 2,020,715 SH   DFND 1 2,020,715 0 0
PLAINS GP HLDGS L P SHS A REP LTPN 72651A108 42,676 2,438,650 SH   DFND 1 2,438,650 0 0
POLYONE CORP COM 73179P106 2,869 97,775 SH   SOLE 97,775 0 0
PPG INDS INC COM 693506107 5,795 66,089 SH   DFND 1 66,089 0 0
PPL CORP COM 69351T106 3,125 95,000 SH   SOLE 95,000 0 0
QUANTA SVCS INC COM 74762E102 221 9,115 SH   SOLE 9,115 0 0
RICE MIDSTREAM PARTNERS LP UNIT LTD PARTN 762819100 265 19,888 SH   SOLE 19,888 0 0
ROSE ROCK MIDSTREAM L P COM U REP LTD 777149105 6,739 276,870 SH   SOLE 276,870 0 0
ROYAL DUTCH SHELL PLC SPON ADR B 780259107 3,238 68,320 SH   DFND 1 68,320 0 0
RSP PERMIAN INC COM 74978Q105 8,249 407,354 SH   DFND 1 407,354 0 0
RYDER SYS INC COM 783549108 11,261 152,098 SH   DFND 1 152,098 0 0
SEADRILL PARTNERS LLC COMUNIT REP LB Y7545W109 1,303 138,579 SH   DFND 1 138,579 0 0
SEALED AIR CORP NEW COM 81211K100 19,976 426,116 SH   DFND 1 426,116 0 0
SEMGROUP CORP CL A 81663A105 17,591 406,835 SH   DFND 1 406,835 0 0
SEMPRA ENERGY COM 816851109 19,035 196,802 SH   DFND 1 196,802 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 62,227 2,114,408 SH   DFND 1 2,114,408 0 0
SHERWIN WILLIAMS CO COM 824348106 14,461 64,913 SH   DFND 1 64,913 0 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 2,451 60,950 SH   SOLE 60,950 0 0
STATOIL ASA SPONSORED ADR 85771P102 3,786 260,000 SH   SOLE 260,000 0 0
SUNOCO LOGISTICS PRTNRS L P COM UNITS 86764L108 105,767 3,690,391 SH   DFND 1 3,690,391 0 0
SWIFT TRANSN CO CL A 87074U101 6,118 407,345 SH   DFND 1 407,345 0 0
TALLGRASS ENERGY GP LP SHS CL A 874696107 12,493 628,740 SH   DFND 1 628,740 0 0
TALLGRASS ENERGY PARTNERS LP COM UNIT 874697105 11,435 291,050 SH   SOLE 291,050 0 0
TARGA RES CORP COM 87612G101 54,596 1,059,705 SH   DFND 1 1,059,705 0 0
TARGA RESOURCES PARTNERS LP COM UNIT 87611X105 54,163 1,865,110 SH   DFND 1 1,865,110 0 0
TC PIPELINES LP UT COM LTD PRT 87233Q108 5,762 121,028 SH   SOLE 121,028 0 0
TEEKAY CORPORATION COM Y8564W103 53,083 1,790,936 SH   DFND 1 1,790,936 0 0
TEEKAY CORPORATION COM Y8564W103 0 62,000 SH Call SOLE 62,000 0 0
TEEKAY OFFSHORE PARTNERS L P PARTNERSHIP UN Y8565J101 3,613 251,080 SH   DFND 1 251,080 0 0
TESORO CORP COM 881609101 9,241 95,037 SH   DFND 1 95,037 0 0
TESORO LOGISTICS LP COM UNIT LP 88160T107 89,886 1,997,465 SH   DFND 1 1,997,465 0 0
TETRA TECH INC NEW COM 88162G103 528 21,709 SH   SOLE 21,709 0 0
TOTAL S A SPONSORED ADR 89151E109 5,902 132,000 SH   SOLE 132,000 0 0
UNION PAC CORP COM 907818108 1 18,600 SH Call SOLE 18,600 0 0
UNITED RENTALS INC COM 911363109 1,306 21,743 SH   DFND 1 21,743 0 0
VALERO ENERGY CORP NEW COM 91913Y100 4,928 82,004 SH   DFND 1 82,004 0 0
VALERO ENERGY PARTNERS LP COM UNT REP LP 91914J102 18,380 416,205 SH   DFND 1 416,205 0 0
VANGUARD NAT RES LLC COM UNIT 92205F106 10,924 1,437,351 SH   DFND 1 1,437,351 0 0
VIPER ENERGY PARTNERS LP COM UNT RP INT 92763M105 229 16,000 SH   DFND 1 16,000 0 0
VTTI ENERGY PARTNERS LP COM UNIT RP LT Y9384M101 10,331 527,881 SH   SOLE 527,881 0 0
WABCO HLDGS INC COM 92927K102 1,474 14,065 SH   DFND 1 14,065 0 0
WABTEC CORP COM 929740108 17,635 200,284 SH   DFND 1 200,284 0 0
WEATHERFORD INTL PLC ORD SHS G48833100 341 40,217 SH   SOLE 40,217 0 0
WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 20,910 530,315 SH   DFND 1 530,315 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 40,481 864,601 SH   DFND 1 864,601 0 0
WESTERN REFNG LOGISTICS LP COM UNIT REP LTP 95931Q205 4,023 192,775 SH   SOLE 192,775 0 0
WESTLAKE CHEM CORP COM 960413102 12,842 247,481 SH   DFND 1 247,481 0 0
WESTLAKE CHEM PARTNERS LP COM UNIT RP LP 960417103 247 14,100 SH   SOLE 14,100 0 0
WILLIAMS COS INC DEL COM 969457100 36,816 999,090 SH   DFND 1 999,090 0 0
WILLIAMS PARTNERS L P NEW COM UNIT LTD PAR 96949L105 78,256 2,451,635 SH   DFND 1 2,451,635 0 0
WORLD PT TERMS LP UNIT REP LTD PT 98159G107 1,286 96,000 SH   SOLE 96,000 0 0
XPO LOGISTICS INC COM 983793100 7,040 295,415 SH   DFND 1 295,415 0 0