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
ABIOMED INC COM 003654100 531 3,658 SH   SOLE 288 0 3,370
AERIE PHARMACEUTICALS INC COM 00771V108 462 34,192 SH   SOLE 3,992 0 30,200
AKOUSTIS TECHNOLOGIES INC COM 00973N102 336 62,530 SH   SOLE 6,760 0 55,770
ALGONQUIN PWR UTILS CORP COM 015857105 670 50,000 SH   SOLE 50,000 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 603 5,537 SH   SOLE 478 0 5,059
ALPS ETF TR ALERIAN MLP 00162Q866 195 56,616 SH   DFND 2 56,616 0 0
ALPS ETF TR ALERIAN MLP 00162Q866 50 1,200,000 SH Call SOLE 1,200,000 0 0
ALTUS MIDSTREAM CO CL A 02215L100 1,281 1,708,496 SH   DFND 1 1,708,496 0 0
AMARIN CORP PLC SPONS ADR NEW 023111206 153 38,223 SH   SOLE 3,805 0 34,418
ANTERO MIDSTREAM CORP COM 03676B102 4,101 1,953,005 SH   DFND 1 2 3 1,953,005 0 0
ATLANTICA YIELD PLC SHS G0751N103 9,062 406,364 SH   DFND 1 406,364 0 0
BLACK STONE MINERALS L P COM UNIT 09225M101 702 150,000 SH   SOLE 150,000 0 0
BP PLC SPONSORED ADR 055622104 810 33,224 SH   DFND 1 33,224 0 0
BRIGHAM MINERALS INC CL A COM 10918L103 827 100,000 SH   SOLE 100,000 0 0
CHENIERE ENERGY INC COM NEW 16411R208 24,340 726,572 SH   DFND 1 2 3 726,572 0 0
CHEVRON CORP NEW COM 166764100 990 13,657 SH   DFND 1 13,657 0 0
CLEARWAY ENERGY INC CL C 18539C204 9,479 504,211 SH   DFND 1 2 3 504,211 0 0
CNX MIDSTREAM PARTNERS LP COM UNIT REPST 12654A101 4,077 503,341 SH   DFND 1 503,341 0 0
CNX RESOURCES CORPORATION COM 12653C108 1,055 198,280 SH   DFND 1 198,280 0 0
COMPANHIA DE SANEAMENTO BASI SPONSORED ADR 20441A102 562 76,169 SH   SOLE 76,169 0 0
CONCHO RES INC COM 20605P101 295 6,886 SH   DFND 1 6,886 0 0
CONOCOPHILLIPS COM 20825C104 672 21,805 SH   DFND 1 21,805 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 7,607 1,798,317 SH   DFND 1 2 3 1,798,317 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 310 2,146 SH   SOLE 2,146 0 0
CVR ENERGY INC COM 12662P108 2,760 166,956 SH   SOLE 166,956 0 0
CYRUSONE INC COM 23283R100 2,971 48,121 SH   SOLE 47,922 0 199
CYTOSORBENTS CORP COM NEW 23283X206 77 10,016 SH   SOLE 7,142 0 2,874
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 4,565 1,121,673 SH   DFND 1 2 3 1,121,673 0 0
DELEK LOGISTICS PARTNERS LP COM UNT RP INT 24664T103 1,000 109,841 SH   SOLE 109,841 0 0
DIAMONDBACK ENERGY INC COM 25278X109 282 10,761 SH   DFND 1 10,761 0 0
DOMINION ENERGY INC COM 25746U109 5,624 77,900 SH   SOLE 77,900 0 0
DOW INC COM 260557103 2,399 82,052 SH   DFND 1 82,052 0 0
EATON CORP PLC SHS G29183103 499 6,418 SH   DFND 1 6,418 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 9,000 3,501,892 SH   DFND 1 2 3 3,501,892 0 0
ENBRIDGE INC COM 29250N105 28,699 986,554 SH   DFND 1 2 3 986,554 0 0
ENEL AMERICAS S A SPONSORED ADR 29274F104 155 25,579 SH   SOLE 25,579 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 37,704 8,196,436 SH   DFND 1 2 3 8,196,436 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 28 500,000 SH Call SOLE 500,000 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 8,422 7,656,727 SH   DFND 1 2 3 7,656,727 0 0
ENLINK MIDSTREAM LLC COM UNIT REP LTD 29336T100 44 250,000 SH Call SOLE 250,000 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 43,565 3,046,485 SH   DFND 1 2 3 3,046,485 0 0
EQM MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 25,301 2,144,164 SH   DFND 1 2 3 2,144,164 0 0
EQUINIX INC COM 29444U700 367 587 SH   SOLE 587 0 0
EQUINOR ASA SPONSORED ADR 29446M102 593 48,677 SH   DFND 1 48,677 0 0
EQUITRANS MIDSTREAM CORP COM 294600101 10,563 2,100,046 SH   DFND 1 2 3 2,100,046 0 0
EVOQUA WATER TECHNOLOGIES CO COM 30057T105 1,232 109,927 SH   SOLE 109,256 0 671
EXACT SCIENCES CORP COM 30063P105 467 8,045 SH   SOLE 888 0 7,157
FLEXION THERAPEUTICS INC COM 33938J106 290 36,864 SH   SOLE 4,133 0 32,731
FRANCO NEVADA CORP COM 351858105 1,059 10,637 SH   DFND 1 10,637 0 0
GOLAR LNG LTD SHS G9456A100 225 28,517 SH   DFND 1 28,517 0 0
GOLAR LNG PARTNERS LP COM UNIT LPI Y2745C102 780 232,000 SH   SOLE 232,000 0 0
GOODRICH PETE CORP COM PAR 382410843 94 22,019 SH   DFND 1 22,019 0 0
GPO AEROPORTUARIO DEL PAC SA SPON ADR B 400506101 1,240 22,992 SH   SOLE 22,992 0 0
HALLIBURTON CO COM 406216101 183 26,737 SH   DFND 1 26,737 0 0
HESS CORP COM 42809H107 489 14,699 SH   DFND 1 14,699 0 0
HESS MIDSTREAM LP CL A SHS 428103105 7,968 784,250 SH   DFND 1 784,250 0 0
HUBSPOT INC COM 443573100 455 3,414 SH   SOLE 238 0 3,176
INGEVITY CORP COM 45688C107 328 9,323 SH   SOLE 941 0 8,382
JACOBS ENGR GROUP INC COM 469814107 981 12,369 SH   DFND 1 12,369 0 0
KIMBELL RTY PARTNERS LP UNIT 49435R102 2,729 468,138 SH   DFND 1 468,138 0 0
KINDER MORGAN INC DEL COM 49456B101 45,784 3,289,180 SH   DFND 1 2 3 3,289,180 0 0
KORNIT DIGITAL LTD SHS M6372Q113 256 10,293 SH   SOLE 1,101 0 9,192
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 333 6,711 SH   DFND 1 6,711 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 38,084 1,043,700 SH   DFND 1 2 3 1,043,700 0 0
MARATHON PETE CORP COM 56585A102 3,711 157,072 SH   DFND 1 2 3 157,072 0 0
MATADOR RES CO COM 576485205 51 20,716 SH   DFND 1 20,716 0 0
MCDONALDS CORP COM 580135101 891 5,389 SH   SOLE 5,389 0 0
MERCURY SYS INC COM 589378108 569 7,974 SH   SOLE 564 0 7,410
MPLX LP COM UNIT REP LTD 55336V100 38,730 3,333,089 SH   DFND 1 2 3 3,333,089 0 0
NEW FORTRESS ENERGY LLC CL A SHS RP LLC 644393100 569 58,215 SH   DFND 1 58,215 0 0
NEXTERA ENERGY INC COM 65339F101 235 975 SH   DFND 1 975 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 29,759 692,061 SH   DFND 1 2 3 691,951 0 110
NUSTAR ENERGY LP UNIT COM 67058H102 3,654 425,405 SH   DFND 1 425,405 0 0
ONEOK INC NEW COM 682680103 26,481 1,214,169 SH   DFND 1 2 3 1,214,169 0 0
OSHKOSH CORP COM 688239201 385 5,983 SH   DFND 1 5,983 0 0
OVINTIV INC COM 69047Q102 66 24,294 SH   DFND 1 24,294 0 0
PARSLEY ENERGY INC CL A 701877102 129 22,460 SH   DFND 1 22,460 0 0
PATTERSON UTI ENERGY INC COM 703481101 69 29,475 SH   DFND 1 29,475 0 0
PBF LOGISTICS LP UNIT LTD PTNR 69318Q104 8,443 1,249,141 SH   SOLE 1,249,141 0 0
PEMBINA PIPELINE CORP COM 706327103 28,270 1,502,899 SH   DFND 1 2 3 1,502,899 0 0
PHILLIPS 66 COM 718546104 2,323 43,308 SH   DFND 1 43,308 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 31,405 862,033 SH   DFND 1 2 3 862,033 0 0
PIONEER NAT RES CO COM 723787107 262 3,741 SH   DFND 1 3,741 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 28,242 5,348,859 SH   DFND 1 2 3 5,348,859 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 4,527 807,051 SH   DFND 2 3 807,051 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 9 300,000 SH Call SOLE 300,000 0 0
POLARITYTE INC COM 731094108 167 154,623 SH   SOLE 16,914 0 137,709
QTS RLTY TR INC COM CL A 74736A103 331 5,691 SH   SOLE 5,691 0 0
RAPID7 INC COM 753422104 464 10,722 SH   SOLE 1,208 0 9,514
RINGCENTRAL INC CL A 76680R206 354 1,668 SH   SOLE 177 0 1,491
SABRE CORP COM 78573M104 1,050 177,079 SH   SOLE 177,079 0 0
SCHLUMBERGER LTD COM 806857108 144 10,684 SH   DFND 1 10,684 0 0
SELECT ENERGY SVCS INC CL A COM 81617J301 83 25,825 SH   DFND 1 25,825 0 0
SEMPRA ENERGY COM 816851109 2,825 25,000 SH   SOLE 25,000 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 16,190 1,622,258 SH   DFND 1 2 3 1,622,258 0 0
SOUTHWEST AIRLS CO COM 844741108 643 18,053 SH   DFND 1 18,053 0 0
SPDR SER TR SPDR BLOOMBERG 78468R663 8 100,000 SH Call SOLE 100,000 0 0
SUNOCO LP COM UT REP LP 86765K109 3,597 230,000 SH   SOLE 230,000 0 0
SWITCH INC CL A 87105L104 2,067 143,232 SH   SOLE 143,232 0 0
SYSCO CORP COM 871829107 1,119 24,508 SH   SOLE 24,508 0 0
TALLGRASS ENERGY LP CLASS A SHS 874696107 205 12,497 SH   SOLE 12,497 0 0
TARGA RES CORP COM 87612G101 15,430 2,232,973 SH   DFND 1 2 3 2,232,973 0 0
TC ENERGY CORP COM 87807B107 41,643 939,988 SH   DFND 1 2 3 939,988 0 0
TERRAFORM PWR INC COM CL A 88104R209 1,647 104,434 SH   SOLE 104,434 0 0
TEXAS PAC LD TR SUB CTF PROP I T 882610108 242 637 SH   DFND 1 637 0 0
TOTAL S.A. SPONSORED ADS 89151E109 1,089 29,253 SH   DFND 1 29,253 0 0
TWILIO INC CL A 90138F102 480 5,360 SH   SOLE 570 0 4,790
UNITED RENTALS INC COM 911363109 341 3,310 SH   DFND 1 3,310 0 0
VALERO ENERGY CORP COM 91913Y100 2,745 60,518 SH   DFND 1 60,518 0 0
VERMILION ENERGY INC COM 923725105 940 302,401 SH   DFND 1 302,401 0 0
VIPER ENERGY PARTNERS LP COM UNT RP INT 92763M105 2,126 320,601 SH   DFND 1 320,601 0 0
VISTRA ENERGY CORP COM 92840M102 1,197 75,000 SH   SOLE 75,000 0 0
WABTEC COM 929740108 468 9,726 SH   DFND 1 9,726 0 0
WILLIAMS COS INC COM 969457100 47,174 3,333,886 SH   DFND 1 2 3 3,333,886 0 0
WILLIAMS COS INC COM 969457100 60 300,000 SH Call SOLE 300,000 0 0
WPX ENERGY INC COM 98212B103 205 67,184 SH   DFND 1 67,184 0 0
XYLEM INC COM 98419M100 284 4,354 SH   DFND 1 4,354 0 0