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

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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
APPLE INC. Common Stocks 037833100   28,208,000 217,105 SH   SOLE 0 217,105 0 0
ABB LIMITED Common Stocks 000375204   12,870,000 422,508 SH   SOLE 0 422,508 0 0
ACCELLERON INDUSTRIES AG Common Stocks 00449R109   429,000 21,052 SH   SOLE 0 21,052 0 0
ACCENTURE PLC Common Stocks G1151C101   7,418,000 27,800 SH   SOLE 0 27,800 0 0
AMGEN INC Common Stocks 031162100   394,000 1,500 SH   SOLE 0 1,500 0 0
AMAZON COM INC Common Stocks 023135106   433,000 5,160 SH   SOLE 0 5,160 0 0
ACTIVISION BLIZZARD, INC. Common Stocks 00507V109   24,421,000 319,025 SH   SOLE 0 319,025 0 0
BRISTOL-MYERS SQUIBB CO Common Stocks 110122108   27,399,000 380,802 SH   SOLE 0 380,802 0 0
BLACK STONE MINERALS LP Common Stocks 09225M101   26,311,000 1,559,627 SH   SOLE 0 1,559,627 0 0
ANHEUSER-BUSCH INBEV SA Common Stocks 03524A108   16,985,000 282,897 SH   SOLE 0 282,897 0 0
CHECK POINT SOFTWARE TECH Common Stocks M22465104   14,666,000 116,247 SH   SOLE 0 116,247 0 0
DESPEGAR.COM Common Stocks G27358103   1,018,000 198,500 SH   SOLE 0 198,500 0 0
DORCHESTER MINERALS LP Common Stocks 25820R105   571,000 19,080 SH   SOLE 0 19,080 0 0
EBAY INC Common Stocks 278642103   1,208,000 29,136 SH   SOLE 0 29,136 0 0
ENTERPRISE PRODUCTS PRTNS Common Stocks 293792107   29,107,000 1,206,771 SH   SOLE 0 1,206,771 0 0
GAMING AND LEISURE PROPERTIES INC. Common Stocks 36467J108   1,187,000 22,794 SH   SOLE 0 22,794 0 0
ALPHABET INC CL C (GOOGLE C) Common Stocks 02079K107   45,225,000 509,687 SH   SOLE 0 509,687 0 0
ALPHABET INC CL A (GOOGLE A) Common Stocks 02079K305   19,220,000 217,840 SH   SOLE 0 217,840 0 0
HONEYWELL INTL INC Common Stocks 438516106   2,241,000 10,456 SH   SOLE 0 10,456 0 0
JP MORGAN CHASE & CO Common Stocks 46625H100   378,000 2,818 SH   SOLE 0 2,818 0 0
KINDER MORGAN, INC. Common Stocks 49456B101   28,922,000 1,599,647 SH   SOLE 0 1,599,647 0 0
LOCKHEED MARTIN CORP Common Stocks 539830109   21,401,000 43,990 SH   SOLE 0 43,990 0 0
LIBERTY MEDIA - SIRIUSXM CL C Common Stocks 531229607   13,479,000 344,461 SH   SOLE 0 344,461 0 0
LAS VEGAS SANDS Common Stocks 517834107   15,773,000 328,136 SH   SOLE 0 328,136 0 0
MICROSOFT CORPORATION Common Stocks 594918104   410,000 1,709 SH   SOLE 0 1,709 0 0
MATADOR RESOURCES CO. Common Stocks 576485205   1,717,000 30,000 SH   SOLE 0 30,000 0 0
NVIDIA CORP Common Stocks 67066G104   273,000 1,868 SH   SOLE 0 1,868 0 0
PAYCHEX INC. Common Stocks 704326107   689,000 5,961 SH   SOLE 0 5,961 0 0
HEALTHPEAK PROPERTIES, INC. Common Stocks 42250P103   1,028,000 40,998 SH   SOLE 0 40,998 0 0
PEPSICO INC Common Stocks 713448108   424,000 2,349 SH   SOLE 0 2,349 0 0
PROCTER & GAMBLE Common Stocks 742718109   458,000 3,023 SH   SOLE 0 3,023 0 0
PAYPAL HOLDINGS, INC. Common Stocks 70450Y103   14,793,000 207,710 SH   SOLE 0 207,710 0 0
QUALCOMM INC Common Stocks 747525103   24,467,000 222,553 SH   SOLE 0 222,553 0 0
RAYTHEON TECHNOLOGIES CORP. Common Stocks 75513E101   19,855,000 196,740 SH   SOLE 0 196,740 0 0
SPROUTS FARMERS MARKET INC Common Stocks 85208M102   15,089,000 466,146 SH   SOLE 0 466,146 0 0
SHELL PLC Common Stocks 780259305   32,075,000 563,211 SH   SOLE 0 563,211 0 0
SPIRIT AEROSYSTEMS Common Stocks 848574109   15,400,000 520,286 SH   SOLE 0 520,286 0 0
SPDR S & P 500 ETF Common Stocks 78462F103   276,000 720 SH   SOLE 0 720 0 0
UNITEDHEALTH GROUP INC. Common Stocks 91324P102   28,800,000 54,322 SH   SOLE 0 54,322 0 0
VISA, INC. Common Stocks 92826C839   651,000 3,133 SH   SOLE 0 3,133 0 0
VANGUARD S&P 500 ETF Common Stocks 922908413   1,816,000 5,170 SH   SOLE 0 5,170 0 0
EXXON MOBIL CORP Common Stocks 30231G102   292,000 2,651 SH   SOLE 0 2,651 0 0
XYLEM INC. Common Stocks 98419M100   12,382,000 111,986 SH   SOLE 0 111,986 0 0