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
VIPER ENERGY PARTNERS LP COM UNT RP INT 92763M105 73,864 2,227,512 SH   SOLE None 2,227,512 0 0
FALCON MINERALS CORP CL A COM 30607B109 57,841 6,543,064 SH   SOLE None 6,543,064 0 0
EQM MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 38,848 841,417 SH   SOLE None 841,417 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 37,334 2,429,029 SH   SOLE None 2,429,029 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 33,487 1,067,819 SH   SOLE None 1,067,819 0 0
ALTUS MIDSTREAM CO CL A 02215L100 25,752 4,364,796 SH   SOLE None 4,364,796 0 0
ENVIVA PARTNERS LP COM UNIT 29414J107 25,402 787,669 SH   SOLE None 787,669 0 0
CNX MIDSTREAM PARTNERS LP COM UNIT REPST 12654A101 25,074 1,648,535 SH   SOLE None 1,648,535 0 0
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 23,974 1,708,742 SH   SOLE None 1,708,742 0 0
CHENIERE ENERGY INC COM NEW 16411R208 21,726 317,815 SH   SOLE None 317,815 0 0
GOLAR LNG LTD BERMUDA SHS G9456A100 21,581 1,023,283 SH   SOLE None 1,023,283 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 20,639 709,253 SH   SOLE None 709,253 0 0
WILLIAMS COS INC DEL COM 969457100 17,944 624,784 SH   SOLE None 624,784 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 16,238 310,188 SH   SOLE None 310,188 0 0
NINE ENERGY SVC INC COM 65441V101 14,629 645,859 SH   SOLE None 645,859 0 0
ANTERO MIDSTREAM PARTNERS LP UNT LTD PARTN 03673L103 14,162 1,027,737 SH   SOLE None 1,027,737 0 0
TARGA RES CORP COM 87612G101 13,799 332,094 SH   SOLE None 332,094 0 0
KAYNE ANDERSON MDSTM ENERGY COM 48661E108 13,048 1,096,496 SH   SOLE None 1,096,496 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 11,452 799,745 SH   SOLE None 799,745 0 0
OASIS MIDSTREAM PARTNERS LP COM UNITS REPS 67420T206 11,341 558,118 SH   SOLE None 558,118 0 0
KAYNE ANDERSN MLP MIDS INVT COM 486606106 11,131 694,396 SH   SOLE None 694,396 0 0
ENTERPRISE PRODS PARTNERS L CALL 293792907 10,909 3,750 SH Call SOLE None 3,750 0 0
WESTERN MIDSTREAM PARTNERS L CALL 958669903 9,405 3,000 SH Call SOLE None 3,000 0 0
HESS MIDSTREAM PARTNERS LP UNIT LTD PR INT 428104103 8,733 411,917 SH   SOLE None 411,917 0 0
CVR PARTNERS LP COM 126633106 8,641 2,182,182 SH   SOLE None 2,182,182 0 0
WARRIOR MET COAL INC COM 93627C101 8,610 283,220 SH   SOLE None 283,220 0 0
NOBLE MIDSTREAM PARTNERS LP COM UNIT REPST 65506L105 8,472 235,279 SH   SOLE None 235,279 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 6,690 268,447 SH   SOLE None 268,447 0 0
TORTOISE ACQUISITION CORP UNIT 03/04/2024 89154L209 4,995 500,000 SH   SOLE None 500,000 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 2,640 107,730 SH   SOLE None 107,730 0 0
CLEARBRIDGE ENERGY MIDSTRM O COM 18469P100 2,518 262,065 SH   SOLE None 262,065 0 0
DIAMONDBACK ENERGY INC COM 25278X109 2,355 23,194 SH   SOLE None 23,194 0 0
GOLDMAN SACHS MLP ENERGY REN COM 38148G107 2,298 415,588 SH   SOLE None 415,588 0 0
NEUBERGER BERMAN MLP INCOME COM 64129H104 2,068 259,847 SH   SOLE None 259,847 0 0
FST TR NEW OPPORT MLP & ENE COM 33739M100 2,023 218,433 SH   SOLE None 218,433 0 0
ALLIANCE RES PARTNER L P UT LTD PART 01877R108 1,956 96,063 SH   SOLE None 96,063 0 0
CLEARBRIDGE MLP AND MIDSTRM COM 18469Q108 1,951 201,149 SH   SOLE None 201,149 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 1,660 50,223 SH   SOLE None 50,223 0 0
ENCANA CORP COM 292505104 1,492 206,105 SH   SOLE None 206,105 0 0
BP MIDSTREAM PARTNERS LP UNIT LTD PTNR 0556EL109 1,191 82,287 SH   SOLE None 82,287 0 0
PARSLEY ENERGY INC CL A 701877102 1,061 54,997 SH   SOLE None 54,997 0 0
CHEVRON CORP NEW COM 166764100 876 7,112 SH   SOLE None 7,112 0 0
USD PARTNERS LP COM UT REP LTD 903318103 826 76,381 SH   SOLE None 76,381 0 0
WHITING PETE CORP NEW COM NEW 966387409 726 27,786 SH   SOLE None 27,786 0 0
SOLARIS OILFIELD INFRSTR INC COM CL A 83418M103 724 44,044 SH   SOLE None 44,044 0 0
KEANE GROUP INC COM 48669A108 626 57,521 SH   SOLE None 57,521 0 0
NATURAL GAS SERVICES GROUP COM 63886Q109 598 34,553 SH   SOLE None 34,553 0 0
PIONEER NAT RES CO COM 723787107 545 3,579 SH   SOLE None 3,579 0 0
AUTOMATIC DATA PROCESSING IN COM 053015103 543 3,400 SH   SOLE None 3,400 0 0
SPDR SERIES TRUST BLOOMBERG BRCLYS 78464A417 526 14,630 SH   SOLE None 14,630 0 0
OCCIDENTAL PETE CORP COM 674599105 507 7,665 SH   SOLE None 7,665 0 0
PDC ENERGY INC COM 69327R101 502 12,328 SH   SOLE None 12,328 0 0
EQM MIDSTREAM PARTNERS LP CALL 26885B900 466 101 SH Call SOLE None 101 0 0
TALOS ENERGY INC COM 87484T108 432 16,248 SH   SOLE None 16,248 0 0
BONANZA CREEK ENERGY INC COM NEW 097793400 430 18,966 SH   SOLE None 18,966 0 0
MAGNOLIA OIL & GAS CORP CL A 559663109 408 33,974 SH   SOLE None 33,974 0 0
PENN VA CORP NEW COM 70788V102 387 8,785 SH   SOLE None 8,785 0 0
JOHNSON & JOHNSON COM 478160104 387 2,771 SH   SOLE None 2,771 0 0
MICROSOFT CORP COM 594918104 377 3,200 SH   SOLE None 3,200 0 0
JPMORGAN CHASE & CO COM 46625H100 343 3,392 SH   SOLE None 3,392 0 0
CONTINENTAL RESOURCES INC COM 212015101 337 7,536 SH   SOLE None 7,536 0 0
NOBLE ENERGY INC COM 655044105 312 12,607 SH   SOLE None 12,607 0 0
ISHARES TR MSCI EMG MKT ETF 464287234 290 6,750 SH   SOLE None 6,750 0 0
3M CO COM 88579Y101 266 1,280 SH   SOLE None 1,280 0 0
MARATHON PETE CORP COM 56585A102 226 3,772 SH   SOLE None 3,772 0 0
ISHARES TR CHINA LG-CAP ETF 464287184 216 4,880 SH   SOLE None 4,880 0 0
GLOBAL PARTNERS LP COM UNITS 37946R109 215 10,952 SH   SOLE None 10,952 0 0
CINTAS CORP COM 172908105 212 1,050 SH   SOLE None 1,050 0 0
ABBVIE INC COM 00287Y109 206 2,560 SH   SOLE None 2,560 0 0