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 (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
APPLE INC. Common Stocks 037833100 38,175 218,631 SH   SOLE 0 218,631 0 0
ABB LIMITED Common Stocks 000375204 13,907 430,012 SH   SOLE 0 430,012 0 0
ACCENTURE PLC Common Stocks G1151C101 9,574 28,389 SH   SOLE 0 28,389 0 0
AMGEN INC Common Stocks 031162100 371 1,534 SH   SOLE 0 1,534 0 0
AMAZON COM INC Common Stocks 023135106 1,011 310 SH   SOLE 0 310 0 0
ACTIVISION BLIZZARD, INC. Common Stocks 00507V109 25,531 318,698 SH   SOLE 0 318,698 0 0
BRISTOL-MYERS SQUIBB CO Common Stocks 110122108 29,539 404,474 SH   SOLE 0 404,474 0 0
BLACK STONE MINERALS LP Common Stocks 09225M101 20,935 1,555,345 SH   SOLE 0 1,555,345 0 0
ANHEUSER-BUSCH INBEV SA Common Stocks 03524A108 16,947 282,161 SH   SOLE 0 282,161 0 0
CHECK POINT SOFTWARE TECH Common Stocks M22465104 15,663 113,290 SH   SOLE 0 113,290 0 0
DESPEGAR.COM Common Stocks G27358103 2,050 168,000 SH   SOLE 0 168,000 0 0
DORCHESTER MINERALS LP Common Stocks 25820R105 640 24,680 SH   SOLE 0 24,680 0 0
EBAY INC Common Stocks 278642103 1,668 29,135 SH   SOLE 0 29,135 0 0
ENTERPRISE PRODUCTS PRTNS Common Stocks 293792107 30,880 1,196,424 SH   SOLE 0 1,196,424 0 0
GILEAD SCIENCES, INC Common Stocks 375558103 17,421 293,030 SH   SOLE 0 293,030 0 0
GAMING AND LEISURE PROPERTIES INC. Common Stocks 36467J108 1,070 22,794 SH   SOLE 0 22,794 0 0
ALPHABET INC CL C (GOOGLE C) Common Stocks 02079K107 71,584 25,630 SH   SOLE 0 25,630 0 0
ALPHABET INC CL A (GOOGLE A) Common Stocks 02079K305 31,290 11,250 SH   SOLE 0 11,250 0 0
HONEYWELL INTL INC Common Stocks 438516106 2,051 10,540 SH   SOLE 0 10,540 0 0
ISHARES CORE S&P SMALL-CAP ETF Common Stocks 464287804 220 2,036 SH   SOLE 0 2,036 0 0
JP MORGAN CHASE & CO Common Stocks 46625H100 413 3,026 SH   SOLE 0 3,026 0 0
KINDER MORGAN, INC. Common Stocks 49456B101 30,268 1,600,640 SH   SOLE 0 1,600,640 0 0
LOCKHEED MARTIN CORP Common Stocks 539830109 19,543 44,274 SH   SOLE 0 44,274 0 0
LIBERTY MEDIA - SIRIUSXM CL C Common Stocks 531229607 14,787 323,345 SH   SOLE 0 323,345 0 0
LAS VEGAS SANDS Common Stocks 517834107 12,518 322,043 SH   SOLE 0 322,043 0 0
MICROSOFT CORPORATION Common Stocks 594918104 700 2,269 SH   SOLE 0 2,269 0 0
MATADOR RESOURCES CO. Common Stocks 576485205 1,589 30,000 SH   SOLE 0 30,000 0 0
NIELSEN HOLDINGS PLC Common Stocks G6518L108 19,944 732,160 SH   SOLE 0 732,160 0 0
NVIDIA CORP Common Stocks 67066G104 539 1,976 SH   SOLE 0 1,976 0 0
OWENS & MINOR, INC. Common Stocks 690732102 286 6,500 SH   SOLE 0 6,500 0 0
PAYCHEX INC. Common Stocks 704326107 803 5,881 SH   SOLE 0 5,881 0 0
HEALTHPEAK PROPERTIES, INC. Common Stocks 42250P103 1,407 40,998 SH   SOLE 0 40,998 0 0
PEPSICO INC Common Stocks 713448108 318 1,902 SH   SOLE 0 1,902 0 0
PROCTER & GAMBLE Common Stocks 742718109 561 3,673 SH   SOLE 0 3,673 0 0
PAYPAL HOLDINGS, INC. Common Stocks 70450Y103 23,282 201,315 SH   SOLE 0 201,315 0 0
QUALCOMM INC Common Stocks 747525103 34,836 227,955 SH   SOLE 0 227,955 0 0
ROCKET LAB USA INC COM Common Stocks 773122106 81 10,000 SH   SOLE 0 10,000 0 0
RAYTHEON TECHNOLOGIES CORP. Common Stocks 75513E101 19,145 193,249 SH   SOLE 0 193,249 0 0
SPROUTS FARMERS MARKET INC Common Stocks 85208M102 15,581 487,217 SH   SOLE 0 487,217 0 0
SHELL PLC Common Stocks 780259305 31,340 570,547 SH   SOLE 0 570,547 0 0
SPIRIT AEROSYSTEMS Common Stocks 848574109 25,030 511,967 SH   SOLE 0 511,967 0 0
TESLA MOTORS INC. Common Stocks 88160R101 455 422 SH   SOLE 0 422 0 0
UNITEDHEALTH GROUP INC. Common Stocks 91324P102 28,298 55,490 SH   SOLE 0 55,490 0 0
VISA, INC. Common Stocks 92826C839 695 3,133 SH   SOLE 0 3,133 0 0
XYLEM INC. Common Stocks 98419M100 9,710 113,889 SH   SOLE 0 113,889 0 0