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
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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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
SABRE CORP 4 CONVERT DUE 04/15/2025 Convertible Bonds 78573NAE2   1,069,857 1,150,000 PRN   SOLE 0 1,150,000 0 0
APPLE INC. Common Stocks 037833100   28,889,064 168,469 SH   SOLE 0 168,469 0 0
ACCENTURE PLC Common Stocks G1151C101   9,051,027 26,113 SH   SOLE 0 26,113 0 0
AMGEN INC Common Stocks 031162100   426,480 1,500 SH   SOLE 0 1,500 0 0
AMAZON COM INC Common Stocks 023135106   852,115 4,724 SH   SOLE 0 4,724 0 0
BRISTOL-MYERS SQUIBB CO Common Stocks 110122108   19,482,453 359,256 SH   SOLE 0 359,256 0 0
BERKSHIRE HATHAWAY CLASS B Common Stocks 084670702   318,754 758 SH   SOLE 0 758 0 0
BLACK STONE MINERALS LP Common Stocks 09225M101   21,674,010 1,356,321 SH   SOLE 0 1,356,321 0 0
ANHEUSER-BUSCH INBEV SA Common Stocks 03524A108   21,263,154 349,838 SH   SOLE 0 349,838 0 0
CHECK POINT SOFTWARE TECH Common Stocks M22465104   20,747,921 126,504 SH   SOLE 0 126,504 0 0
DESPEGAR.COM Common Stocks G27358103   2,374,060 198,500 SH   SOLE 0 198,500 0 0
DORCHESTER MINERALS LP Common Stocks 25820R105   1,009,745 29,945 SH   SOLE 0 29,945 0 0
EBAY INC Common Stocks 278642103   1,533,576 29,056 SH   SOLE 0 29,056 0 0
ENTERPRISE PRODUCTS PRTNS Common Stocks 293792107   35,357,552 1,211,705 SH   SOLE 0 1,211,705 0 0
FORTREA HOLDINGS INC. Common Stocks 34965K107   22,879,278 569,987 SH   SOLE 0 569,987 0 0
SPDR GOLD TRUST Common Stocks 78463V107   516,974 2,513 SH   SOLE 0 2,513 0 0
ALPHABET INC CL C (GOOGLE C) Common Stocks 02079K107   71,843,272 471,846 SH   SOLE 0 471,846 0 0
ALPHABET INC CL A (GOOGLE A) Common Stocks 02079K305   27,187,474 180,133 SH   SOLE 0 180,133 0 0
HONEYWELL INTL INC Common Stocks 438516106   2,129,674 10,376 SH   SOLE 0 10,376 0 0
JP MORGAN CHASE & CO Common Stocks 46625H100   475,312 2,373 SH   SOLE 0 2,373 0 0
KIMBERLY-CLARK CORPORATION Common Stocks 494368103   213,945 1,654 SH   SOLE 0 1,654 0 0
KINDER MORGAN, INC. Common Stocks 49456B101   31,144,988 1,698,200 SH   SOLE 0 1,698,200 0 0
LOCKHEED MARTIN CORP Common Stocks 539830109   21,500,795 47,268 SH   SOLE 0 47,268 0 0
LIBERTY MEDIA - SIRIUSXM CL C Common Stocks 531229789   24,001,521 807,860 SH   SOLE 0 807,860 0 0
LAS VEGAS SANDS Common Stocks 517834107   20,723,480 400,841 SH   SOLE 0 400,841 0 0
MERCK & CO INC NEW Common Stocks 58933Y105   266,803 2,022 SH   SOLE 0 2,022 0 0
MICROSOFT CORPORATION Common Stocks 594918104   936,943 2,227 SH   SOLE 0 2,227 0 0
MATCH GROUP INC. Common Stocks 57667L107   16,897,519 465,753 SH   SOLE 0 465,753 0 0
MATADOR RESOURCES CO. Common Stocks 576485205   2,003,100 30,000 SH   SOLE 0 30,000 0 0
NVIDIA CORP Common Stocks 67066G104   1,687,850 1,868 SH   SOLE 0 1,868 0 0
PAYCHEX INC. Common Stocks 704326107   722,187 5,881 SH   SOLE 0 5,881 0 0
PEPSICO INC Common Stocks 713448108   425,974 2,434 SH   SOLE 0 2,434 0 0
PAYPAL HOLDINGS, INC. Common Stocks 70450Y103   35,492,508 529,818 SH   SOLE 0 529,818 0 0
QUALCOMM INC Common Stocks 747525103   34,226,873 202,167 SH   SOLE 0 202,167 0 0
ROIVANT SCIENCES LTD. Common Stocks G76279101   17,286,918 1,640,125 SH   SOLE 0 1,640,125 0 0
RAYTHEON TECHNOLOGIES CORP. Common Stocks 75513E101   19,771,379 202,721 SH   SOLE 0 202,721 0 0
SPROUTS FARMERS MARKET INC Common Stocks 85208M102   25,178,150 390,480 SH   SOLE 0 390,480 0 0
SHELL PLC Common Stocks 780259305   35,164,089 524,524 SH   SOLE 0 524,524 0 0
SPIRIT AEROSYSTEMS Common Stocks 848574109   23,704,519 657,181 SH   SOLE 0 657,181 0 0
SPDR S & P 500 ETF Common Stocks 78462F103   524,225 1,002 SH   SOLE 0 1,002 0 0
TRAVELERS COMPANIES Common Stocks 89417E109   214,721 933 SH   SOLE 0 933 0 0
TEXAS INSTRUMENTS INC Common Stocks 882508104   245,985 1,412 SH   SOLE 0 1,412 0 0
UNITEDHEALTH GROUP INC. Common Stocks 91324P102   27,536,981 55,664 SH   SOLE 0 55,664 0 0
VISA, INC. Common Stocks 92826C839   974,547 3,492 SH   SOLE 0 3,492 0 0
VANGUARD S&P 500 ETF Common Stocks 922908363   846,032 1,760 SH   SOLE 0 1,760 0 0
EXXON MOBIL CORP Common Stocks 30231G102   1,217,498 10,474 SH   SOLE 0 10,474 0 0
XYLEM INC. Common Stocks 98419M100   12,714,890 98,382 SH   SOLE 0 98,382 0 0