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
3M CO COM 88579Y101 289 1,499 SH   SOLE   0 0 1,499
ABBOTT LABS COM 002824100 414 3,453 SH   SOLE   0 0 3,453
ABBVIE INC COM 00287Y109 452 4,179 SH   SOLE   0 0 4,179
ALLEGHANY CORP DEL COM 017175100 812 1,296 SH   SOLE   0 0 1,296
ALPHABET INC CAP STK CL C 02079K107 778 376 SH   SOLE   0 0 376
AMAZON COM INC COM 023135106 217 70 SH   SOLE   0 0 70
ANTERO MIDSTREAM CORP COM 03676B102 4,362 483,024 SH   SOLE   0 0 483,024
ANTERO RESOURCES CORP COM 03674X106 2,608 255,700 SH   SOLE   0 0 255,700
AON PLC SHS CL A G0403H108 258 1,123 SH   SOLE   0 0 1,123
APPLE INC COM 037833100 6,460 52,885 SH   SOLE   0 0 52,885
ARCH CAP GROUP LTD ORD G0450A105 1,573 40,996 SH   SOLE   0 0 40,996
BARCLAYS PLC ADR 06738E204 314 30,712 SH   SOLE   0 0 30,712
BERKLEY W R CORP COM 084423102 739 9,814 SH   SOLE   0 0 9,814
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 5,365 21,000 SH   SOLE   0 0 21,000
BK OF AMERICA CORP COM 060505104 1,054 27,240 SH   SOLE   0 0 27,240
BLACK STONE MINERALS L P COM UNIT 09225M101 111 12,724 SH   SOLE   0 0 12,724
BOOKING HOLDINGS INC COM 09857L108 228 98 SH   SOLE   0 0 98
CBOE GLOBAL MKTS INC COM 12503M108 329 3,333 SH   SOLE   0 0 3,333
CISCO SYS INC COM 17275R102 4,841 93,615 SH   SOLE   0 0 93,615
CSW INDUSTRIALS INC COM 126402106 720 5,332 SH   SOLE   0 0 5,332
DOLLAR TREE INC COM 256746108 348 3,040 SH   SOLE   0 0 3,040
ENBRIDGE INC COM 29250N105 1,201 33,000 SH   SOLE   0 0 33,000
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 946 123,242 SH   SOLE   0 0 123,242
ENERPLUS CORP COM 292766102 102 20,420 SH   SOLE   0 0 20,420
ENTERPRISE PRODS PARTNERS L COM 293792107 2,898 131,620 SH   SOLE   0 0 131,620
EXXON MOBIL CORP COM 30231G102 310 5,546 SH   SOLE   0 0 5,546
GENERAL ELECTRIC CO COM 369604103 323 24,618 SH   SOLE   0 0 24,618
GLOBAL X FDS COM 37954Y343 5,759 182,253 SH   SOLE   0 0 182,253
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 435763107 1,452 76,000 SH   SOLE   0 0 76,000
HOME DEPOT INC COM 437076102 5,189 16,999 SH   SOLE   0 0 16,999
INGREDION INC COM 457187102 396 4,404 SH   SOLE   0 0 4,404
INTEL CORP COM 458140100 251 3,927 SH   SOLE   0 0 3,927
ISHARES TR MSCI EMG MKT ETF 464287234 2,401 45,012 SH   SOLE   0 0 45,012
ISHARES TR MSCI EAFE ETF 464287465 3,919 51,653 SH   SOLE   0 0 51,653
ISHARES TR RUSSELL 2000 ETF 464287655 236 1,067 SH   SOLE   0 0 1,067
ISHARES TR MBS ETF 464288588 16,783 154,799 SH   SOLE   0 0 154,799
ISHARES TR SHORT TREAS BD 464288679 1,864 16,865 SH   SOLE   0 0 16,865
ISHARES TR 1 3 YR TREAS BD 464287457 1,155 13,397 SH   SOLE   0 0 13,397
ITURAN LOCATION AND CONTROL SHS M6158M104 212 10,000 SH   SOLE   0 0 10,000
JOHNSON & JOHNSON COM 478160104 3,515 21,390 SH   SOLE   0 0 21,390
JPMORGAN CHASE & CO ALERIAN ML ETN 46625H365 589 35,500 SH   SOLE   0 0 35,500
JPMORGAN CHASE & CO COM 46625H100 612 4,018 SH   SOLE   0 0 4,018
KIMBELL RTY PARTNERS LP COM 49435R102 107 10,578 SH   SOLE   0 0 10,578
KINDER MORGAN INC DEL COM 49456B101 4,317 259,282 SH   SOLE   0 0 259,282
KRAFT HEINZ CO COM 500754106 217 5,413 SH   SOLE   0 0 5,413
M & T BK CORP COM 55261F104 454 2,993 SH   SOLE   0 0 2,993
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 2,166 49,959 SH   SOLE   0 0 49,959
MARATHON PETE CORP COM 56585A102 780 14,589 SH   SOLE   0 0 14,589
MARKEL CORP COM 570535104 809 710 SH   SOLE   0 0 710
MERCK & CO. INC COM 58933Y105 400 5,191 SH   SOLE   0 0 5,191
MICROSOFT CORP COM 594918104 6,822 28,936 SH   SOLE   0 0 28,936
MPLX LP COM UNIT REP LTD 55336V100 1,237 48,266 SH   SOLE   0 0 48,266
PEMBINA PIPELINE CORP COM 706327103 992 34,407 SH   SOLE   0 0 34,407
PFIZER INC COM 717081103 387 10,693 SH   SOLE   0 0 10,693
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 102 11,222 SH   SOLE   0 0 11,222
PLAINS ALL AMERN PIPELINE L P UNIT LTD PARTN 726503105 1,010 107,453 SH   SOLE   0 0 107,453
PROGRESSIVE CORP COM 743315103 751 7,851 SH   SOLE   0 0 7,851
QUALCOMM INC COM 747525103 374 2,821 SH   SOLE   0 0 2,821
REDHILL BIOPHARMA LTD SPONSORED ADS 757468103 319 43,532 SH   SOLE   0 0 43,532
S&P GLOBAL INC COM 78409V104 318 902 SH   SOLE   0 0 902
SBA COMMUNICATIONS CORP NEW CL A 78410G104 333 1,200 SH   SOLE   0 0 1,200
SPDR GOLD TR GOLD SHS 78463V107 3,746 23,420 SH   SOLE   0 0 23,420
SPDR S&P 500 ETF TR TR UNIT 78462F103 6,502 16,406 SH   SOLE   0 0 16,406
SUNCOR ENERGY INC NEW COM 867224107 234 11,200 SH   SOLE   0 0 11,200
UROGEN PHARMA LTD COM M96088105 1,680 86,254 SH   SOLE   0 0 86,254
VANGUARD BD INDEX FDS SHORT TRM BOND 921937827 4,519 54,983 SH   SOLE   0 0 54,983
VANGUARD WHITEHALL FDS HIGH DIV YLD 921946406 12,566 124,307 SH   SOLE   0 0 124,307
WALMART INC COM 931142103 4,314 31,760 SH   SOLE   0 0 31,760
WELLS FARGO CO NEW COM 949746101 421 10,780 SH   SOLE   0 0 10,780
WILLIAMS COS INC COM 969457100 2,728 115,134 SH   SOLE   0 0 115,134