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
AECOM COM 00766T100 7,535 211,717 SH   DFND 1 211,717 0 0
AK STL HLDG CORP COM 001547108 5,274 733,506 SH   DFND 1 733,506 0 0
AMERICAN MIDSTREAM PARTNERS COM UNITS 02752P100 40,774 2,745,700 SH   DFND 1 2,745,700 0 0
ANADARKO PETE CORP COM 032511107 2,654 42,800 SH   DFND 1 42,800 0 0
ANTERO MIDSTREAM PARTNERS LP UNT LTD PARTN 03673L103 39,882 1,202,721 SH   DFND 1 1,202,721 0 0
ANTERO RES CORP COM 03674X106 1,346 59,000 SH   DFND 1 59,000 0 0
ATWOOD OCEANICS INC COM 050095108 129 13,563 SH   SOLE 13,563 0 0
ATWOOD OCEANICS INC COM 050095108 3 30,500 SH Call SOLE 30,500 0 0
BASIC ENERGY SVCS INC NEW COM NEW 06985P209 302 9,052 SH   SOLE 9,052 0 0
BERRY PLASTICS GROUP INC COM 08579W103 2,591 53,352 SH   DFND 1 53,352 0 0
BLUEKNIGHT ENERGY PARTNERS L COM UNIT 09625U109 21,547 3,192,195 SH   DFND 1 3,192,195 0 0
BP PLC SPONSORED ADR 055622104 9,433 273,258 SH   DFND 1 273,258 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 7,705 112,381 SH   DFND 2 112,381 0 0
CALLON PETE CO DEL COM 13123X102 10,647 809,045 SH   DFND 1 809,045 0 0
CALLON PETE CO DEL COM 13123X102 84 68,700 SH Call SOLE 68,700 0 0
CANADIAN NAT RES LTD COM 136385101 1,443 44,000 SH   DFND 1 44,000 0 0
CENTENNIAL RESOURCE DEV INC CL A 15136A102 8,783 481,796 SH   DFND 1 481,796 0 0
CHENIERE ENERGY INC COM NEW 16411R208 43,169 913,247 SH   DFND 1 913,247 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 4,846 150,000 SH   SOLE 150,000 0 0
CHEVRON CORP NEW COM 166764100 4,252 39,600 SH   DFND 1 39,600 0 0
CIMAREX ENERGY CO COM 171798101 1,764 14,765 SH   DFND 1 14,765 0 0
CIMAREX ENERGY CO COM 171798101 33 13,600 SH Call SOLE 13,600 0 0
CONCHO RES INC COM 20605P101 2,450 19,088 SH   DFND 1 19,088 0 0
CONTINENTAL RESOURCES INC COM 212015101 284 6,248 SH   SOLE 6,248 0 0
COVENANT TRANSN GROUP INC CL A 22284P105 6,055 322,040 SH   DFND 1 322,040 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 65,197 2,483,700 SH   DFND 1 2,483,700 0 0
CSX CORP COM 126408103 17,381 373,389 SH   DFND 1 373,389 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 99,909 2,546,744 SH   DFND 1 2 2,546,744 0 0
DOMINION MIDSTREAM PARTNERS COM UT REP LTD 257454108 52,209 1,634,069 SH   DFND 1 2 1,634,069 0 0
DOMINION RES INC VA NEW COM 25746U109 1,606 20,705 SH   SOLE 20,705 0 0
DOVER CORP COM 260003108 20,285 252,456 SH   DFND 1 252,456 0 0
DOW CHEM CO COM 260543103 1,588 25,000 SH   SOLE 25,000 0 0
EMERGE ENERGY SVCS LP COM REP PARTN 29102H108 481 34,700 SH   SOLE 34,700 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 53,258 3,191,010 SH   DFND 1 2 3,191,010 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 23,043 1,212,800 SH   DFND 1 1,212,800 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 136,334 6,909,990 SH   DFND 1 2 6,909,990 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 107 383,000 SH Put SOLE 383,000 0 0
ENERGY TRANSFER EQUITY L P COM UT LTD PTN 29273V100 402 383,000 SH Call SOLE 383,000 0 0
ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R109 232,756 6,373,372 SH   DFND 1 2 6,373,372 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 32,036 1,651,330 SH   DFND 1 1,651,330 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 70,051 3,827,950 SH   DFND 1 3,827,950 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 131,784 4,773,026 SH   DFND 1 2 4,773,026 0 0
EOG RES INC COM 26875P101 2,799 28,694 SH   DFND 1 28,694 0 0
EQT GP HLDGS LP COM UNIT REP 26885J103 23,137 845,032 SH   DFND 1 845,032 0 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 70,768 920,261 SH   DFND 1 2 920,261 0 0
EXELON CORP COM 30161N101 2,101 58,400 SH   SOLE 58,400 0 0
EXTRACTION OIL AND GAS INC COM 30227M105 7,243 390,464 SH   DFND 1 390,464 0 0
FAIRMOUNT SANTROL HLDGS INC COM 30555Q108 7,534 1,027,843 SH   DFND 1 1,027,843 0 0
FAIRMOUNT SANTROL HLDGS INC COM 30555Q108 58 159,500 SH Call SOLE 159,500 0 0
FLOWSERVE CORP COM 34354P105 3,678 75,960 SH   DFND 1 75,960 0 0
GASLOG LTD SHS G37585109 4,828 314,553 SH   DFND 1 314,553 0 0
GASLOG PARTNERS LP UNIT LTD PTNRP Y2687W108 36,576 1,492,896 SH   DFND 1 1,492,896 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 37,020 1,141,888 SH   DFND 1 2 1,141,888 0 0
GOLAR LNG LTD BERMUDA SHS G9456A100 27,600 988,176 SH   DFND 1 988,176 0 0
GOLAR LNG PARTNERS LP COM UNIT LPI Y2745C102 43,686 1,955,500 SH   DFND 1 1,955,500 0 0
GRACE W R & CO DEL NEW COM 38388F108 3,245 46,553 SH   DFND 1 46,553 0 0
GRANITE CONSTR INC COM 387328107 6,940 138,267 SH   DFND 1 138,267 0 0
HALLIBURTON CO COM 406216101 13,998 284,463 SH   DFND 1 284,463 0 0
HD SUPPLY HLDGS INC COM 40416M105 3,973 96,606 SH   DFND 1 96,606 0 0
HI-CRUSH PARTNERS LP COM UNIT LTD 428337109 4,276 246,445 SH   DFND 1 246,445 0 0
INDEPENDENCE CONTRACT DRIL I COM 453415309 574 104,013 SH   DFND 1 104,013 0 0
JACOBS ENGR GROUP INC DEL COM 469814107 15,050 272,256 SH   DFND 1 272,256 0 0
KEANE GROUP INC COM 48669A108 6,725 470,248 SH   DFND 1 470,248 0 0
KINDER MORGAN INC DEL COM 49456B101 61,926 2,848,496 SH   DFND 1 2 2,848,496 0 0
KINDER MORGAN INC DEL PFD SER A 49456B200 3,142 63,000 SH   DFND 1 63,000 0 0
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 3,551 38,940 SH   SOLE 38,940 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 58,977 766,823 SH   DFND 1 2 766,823 0 0
MARATHON PETE CORP COM 56585A102 28,016 554,324 SH   DFND 1 554,324 0 0
MARATHON PETE CORP COM 56585A102 34 20,000 SH Call SOLE 20,000 0 0
MPLX LP COM UNIT REP LTD 55336V100 144,638 4,008,828 SH   DFND 1 2 4,008,828 0 0
MRC GLOBAL INC COM 55345K103 8,986 490,222 SH   DFND 1 490,222 0 0
NABORS INDUSTRIES LTD SHS G6359F103 222 16,961 SH   SOLE 16,961 0 0
NATIONAL OILWELL VARCO INC COM 637071101 24 27,200 SH Put SOLE 27,200 0 0
NEWFIELD EXPL CO COM 651290108 7,345 199,021 SH   DFND 1 199,021 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 12,261 370,100 SH   SOLE 370,100 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 218,251 9,657,145 SH   DFND 1 2 9,657,145 0 0
NRG YIELD INC CL C 62942X405 2,655 150,000 SH   SOLE 150,000 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 43,577 838,352 SH   DFND 1 2 838,352 0 0
OLIN CORP COM PAR $1 680665205 822 25,000 SH   SOLE 25,000 0 0
ONEOK INC NEW COM 682680103 22,324 402,669 SH   DFND 1 402,669 0 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 67,415 1,248,656 SH   DFND 1 2 1,248,656 0 0
PARSLEY ENERGY INC CL A 701877102 6,709 206,367 SH   DFND 1 206,367 0 0
PATTERSON UTI ENERGY INC COM 703481101 21 13,600 SH Call SOLE 13,600 0 0
PATTERSON UTI ENERGY INC COM 703481101 5,857 241,331 SH   DFND 1 241,331 0 0
PBF LOGISTICS LP UNIT LTD PTNR 69318Q104 1,075 49,900 SH   SOLE 49,900 0 0
PHILLIPS 66 COM 718546104 9,254 116,808 SH   DFND 1 116,808 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 92,974 1,810,586 SH   DFND 1 2 1,810,586 0 0
PIONEER ENERGY SVCS CORP COM 723664108 158 39,613 SH   SOLE 39,613 0 0
PIONEER NAT RES CO COM 723787107 5,828 31,296 SH   DFND 1 31,296 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 75,493 2,388,264 SH   DFND 1 2 2,388,264 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 39,082 1,250,208 SH   DFND 1 1,250,208 0 0
PRECISION DRILLING CORP COM 2010 74022D308 168 35,600 SH   SOLE 35,600 0 0
RANGE RES CORP COM 75281A109 6,379 219,207 SH   DFND 1 219,207 0 0
RICE ENERGY INC COM 762760106 16,346 689,690 SH   DFND 1 689,690 0 0
RICE MIDSTREAM PARTNERS LP UNIT LTD PARTN 762819100 44,071 1,747,467 SH   DFND 1 1,747,467 0 0
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 11,954 226,700 SH   DFND 1 226,700 0 0
RPC INC COM 749660106 4,501 245,810 SH   DFND 1 245,810 0 0
RSP PERMIAN INC COM 74978Q105 17,320 418,044 SH   DFND 1 418,044 0 0
SANCHEZ PRODTN PARTNER COM UNIT REPSTG 79971C201 3,473 221,200 SH   SOLE 221,200 0 0
SCHLUMBERGER LTD COM 806857108 2,343 30,000 SH   SOLE 30,000 0 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 9 54,300 SH Put SOLE 54,300 0 0
SEMGROUP CORP CL A 81663A105 56,652 1,573,670 SH   DFND 1 2 1,573,670 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 112,255 3,482,954 SH   DFND 1 2 3,482,954 0 0
SMART SAND INC COM 83191H107 258 15,856 SH   SOLE 15,856 0 0
SOUTHCROSS ENERGY PARTNERS L COM UNIT LTDPT 84130C100 174 50,000 SH   SOLE 50,000 0 0
SOUTHWEST AIRLS CO COM 844741108 278 5,168 SH   SOLE 5,168 0 0
SPDR SERIES TRUST BLMBRG BR 1 3 MT 78464A680 58 71,300 SH Call SOLE 71,300 0 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 19,394 444,200 SH   DFND 1 444,200 0 0
STATOIL ASA SPONSORED ADR 85771P102 4,061 236,400 SH   DFND 1 236,400 0 0
STERLING CONSTRUCTION CO INC COM 859241101 1,964 212,306 SH   DFND 1 212,306 0 0
SUBURBAN PROPANE PARTNERS L UNIT LTD PARTN 864482104 19,821 735,204 SH   DFND 1 735,204 0 0
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 42,994 1,791,419 SH   DFND 1 2 1,791,419 0 0
SUNCOR ENERGY INC NEW COM 867224107 2,511 81,658 SH   DFND 1 81,658 0 0
SUNOCO LOGISTICS PRTNRS L P COM UNITS 86764L108 70,989 2,907,019 SH   DFND 1 2 2,907,019 0 0
SUNOCO LP COM U REP LP 86765K109 1,692 70,000 SH   SOLE 70,000 0 0
SUPERIOR ENERGY SVCS INC COM 868157108 7,179 503,446 SH   DFND 1 503,446 0 0
SWIFT TRANSN CO CL A 87074U101 8,144 396,506 SH   DFND 1 396,506 0 0
SWIFT TRANSN CO CL A 87074U101 1 27,200 SH Call SOLE 27,200 0 0
TALLGRASS ENERGY GP LP SHS CL A 874696107 7,736 269,000 SH   SOLE 269,000 0 0
TALLGRASS ENERGY PARTNERS LP COM UNIT 874697105 43,004 808,350 SH   DFND 1 808,350 0 0
TARGA RES CORP COM 87612G101 211,030 3,523,045 SH   DFND 1 2 3,523,045 0 0
TC PIPELINES LP UT COM LTD PRT 87233Q108 8,376 140,400 SH   SOLE 140,400 0 0
TESORO LOGISTICS LP COM UNIT LP 88160T107 109,525 2,010,732 SH   DFND 1 2 2,010,732 0 0
TOTAL S A SPONSORED ADR 89151E109 3,640 72,200 SH   DFND 1 72,200 0 0
TRANSMONTAIGNE PARTNERS L P COM UNIT L P 89376V100 3,101 69,400 SH   SOLE 69,400 0 0
TRANSOCEAN LTD REG SHS H8817H100 249 20,000 SH   SOLE 20,000 0 0
U S CONCRETE INC COM NEW 90333L201 219 3,399 SH   SOLE 3,399 0 0
U S SILICA HLDGS INC COM 90346E103 15,850 330,262 SH   DFND 1 330,262 0 0
U S SILICA HLDGS INC COM 90346E103 67 32,300 SH Call SOLE 32,300 0 0
UNION PAC CORP COM 907818108 10,736 101,356 SH   DFND 1 101,356 0 0
UNITED RENTALS INC COM 911363109 7,906 63,222 SH   DFND 1 63,222 0 0
UNITED STATES STL CORP NEW COM 912909108 4,983 147,361 SH   DFND 1 147,361 0 0
UNIVAR INC COM 91336L107 670 21,863 SH   DFND 1 21,863 0 0
VALERO ENERGY CORP NEW COM 91913Y100 4,375 66,000 SH   SOLE 66,000 0 0
VALERO ENERGY PARTNERS LP COM UNT REP LP 91914J102 37,795 788,876 SH   DFND 1 788,876 0 0
VULCAN MATLS CO COM 929160109 4,880 40,506 SH   DFND 1 40,506 0 0
WEATHERFORD INTL PLC ORD SHS G48833100 25 49,900 SH Call SOLE 49,900 0 0
WEATHERFORD INTL PLC ORD SHS G48833100 16,235 2,441,406 SH   DFND 1 2,441,406 0 0
WESTERN GAS EQUITY PARTNERS COMUNT LTD PT 95825R103 25,878 561,340 SH   DFND 1 561,340 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 67,175 1,111,243 SH   DFND 1 2 1,111,243 0 0
WESTERN REFNG INC COM 959319104 5,962 170,000 SH   SOLE 170,000 0 0
WESTLAKE CHEM CORP COM 960413102 4,046 61,264 SH   DFND 1 61,264 0 0
WILLIAMS COS INC DEL COM 969457100 59,413 2,007,877 SH   DFND 1 2,007,877 0 0
WILLIAMS PARTNERS L P NEW COM UNIT LTD PAR 96949L105 106,650 2,612,035 SH   DFND 1 2 2,612,035 0 0
XPO LOGISTICS INC COM 983793100 7,329 153,047 SH   DFND 1 153,047 0 0