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
Expires: July 31, 2015
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
APPLE, INC. Common Stocks 037833100 37,570,320 183,118 SH SOLE 0 183,118 0 0
ABBVIE, INC. Common Stocks 00287Y109 5,664,009 30,514 SH SOLE 0 30,514 0 0
ABBOTT LABORATORIES Common Stocks 002824100 4,253,713 31,275 SH SOLE 0 31,275 0 0
ACCENTURE PLC Common Stocks G1151C101 7,731,985 25,869 SH SOLE 0 25,869 0 0
AMGEN, INC. Common Stocks 031162100 5,257,804 18,831 SH SOLE 0 18,831 0 0
AMAZON, INC. Common Stocks 023135106 2,686,431 12,245 SH SOLE 0 12,245 0 0
BROADCOM INC Common Stocks 11135F101 263,246 955 SH SOLE 0 955 0 0
AMERICAN EXPRESS, CO. Common Stocks 025816109 3,374,808 10,580 SH SOLE 0 10,580 0 0
BECTON, DICKINSON & CO. Common Stocks 075887109 2,542,066 14,758 SH SOLE 0 14,758 0 0
BRISTOL-MYERS SQUIBB CO Common Stocks 110122108 16,507,477 356,610 SH SOLE 0 356,610 0 0
BERKSHIRE HATHAWAY CLASS B Common Stocks 084670702 313,322 645 SH SOLE 0 645 0 0
BLACK STONE MINERALS LP Common Stocks 09225M101 24,222,747 1,851,892 SH SOLE 0 1,851,892 0 0
ANHEUSER-BUSCH INBEV SA/NV Common Stocks 03524A108 32,000,705 465,668 SH SOLE 0 465,668 0 0
CATERPILLAR, INC. Common Stocks 149123101 776,420 2,000 SH SOLE 0 2,000 0 0
CHECK POINT SOFTWARE TECH Common Stocks M22465104 27,362,209 123,671 SH SOLE 0 123,671 0 0
COLGATE PALMOLIVE, CO. Common Stocks 194162103 2,752,452 30,280 SH SOLE 0 30,280 0 0
CLENE, INC. Common Stocks 185634201 43,010 11,000 SH SOLE 0 11,000 0 0
CISCO SYSTEMS, INC. Common Stocks 17275R102 1,439,219 20,744 SH SOLE 0 20,744 0 0
WALT DISNEY COMPANY Common Stocks 254687106 219,002 1,766 SH SOLE 0 1,766 0 0
DORCHESTER MINERALS LP Common Stocks 25820R105 324,987 11,665 SH SOLE 0 11,665 0 0
ENTERPRISE PRODUCTS PRTNS Common Stocks 293792107 36,842,702 1,188,091 SH SOLE 0 1,188,091 0 0
FIRSTCASH HLDGS, INC. Common Stocks 33768G107 1,002,739 7,420 SH SOLE 0 7,420 0 0
SPDR GOLD TRUST Common Stocks 78463V107 2,512,409 8,242 SH SOLE 0 8,242 0 0
ALPHABET, INC. CL C (GOOGLE C) Common Stocks 02079K107 85,855,678 483,994 SH SOLE 0 483,994 0 0
ALPHABET, INC. CL A (GOOGLE A) Common Stocks 02079K305 30,462,942 172,859 SH SOLE 0 172,859 0 0
GOLDMAN SACHS ACTIVEBETA US LRG ETF Common Stocks 381430503 242,760 2,000 SH SOLE 0 2,000 0 0
HOME DEPOT, INC. Common Stocks 437076102 384,239 1,048 SH SOLE 0 1,048 0 0
HONEYWELL INTERNATIONAL, INC. Common Stocks 438516106 2,709,792 11,636 SH SOLE 0 11,636 0 0
IDEXX LABS, INC. Common Stocks 45168D104 408,155 761 SH SOLE 0 761 0 0
ISHARES TOTAL US STOCK MARKET ETF Common Stocks 464287150 337,600 2,500 SH SOLE 0 2,500 0 0
JOHNSON & JOHNSON Common Stocks 478160104 6,345,235 41,540 SH SOLE 0 41,540 0 0
JP MORGAN CHASE & CO Common Stocks 46625H100 747,968 2,580 SH SOLE 0 2,580 0 0
KIMBERLY CLARK, CORP. Common Stocks 494368103 1,773,939 13,760 SH SOLE 0 13,760 0 0
KINDER MORGAN, INC. Common Stocks 49456B101 51,295,415 1,744,742 SH SOLE 0 1,744,742 0 0
COCA-COLA COMPANY Common Stocks 191216100 5,926,940 83,773 SH SOLE 0 83,773 0 0
ELI LILLY & CO. Common Stocks 532457108 2,143,708 2,750 SH SOLE 0 2,750 0 0
LOCKHEED MARTIN CORP Common Stocks 539830109 22,441,449 48,455 SH SOLE 0 48,455 0 0
LAS VEGAS SANDS Common Stocks 517834107 17,767,744 408,360 SH SOLE 0 408,360 0 0
MASTERCARD, INC. CL A Common Stocks 57636Q104 532,157 947 SH SOLE 0 947 0 0
MCDONALDS, CORP. Common Stocks 580135101 6,159,236 21,081 SH SOLE 0 21,081 0 0
META PLATFORMS, INC. Common Stocks 30303M102 579,401 785 SH SOLE 0 785 0 0
MICROSOFT CORPORATION Common Stocks 594918104 14,256,268 28,661 SH SOLE 0 28,661 0 0
MATCH GROUP INC. Common Stocks 57667L107 14,941,493 483,700 SH SOLE 0 483,700 0 0
METTLER-TOLEDO INTERNATIONAL, INC. Common Stocks 592688105 3,791,996 3,228 SH SOLE 0 3,228 0 0
MATADOR RESOURCES CO. Common Stocks 576485205 1,431,600 30,000 SH SOLE 0 30,000 0 0
NETFLIX, INC. Common Stocks 64110L106 354,869 265 SH SOLE 0 265 0 0
NIKE, INC. Common Stocks 654106103 4,409,169 62,066 SH SOLE 0 62,066 0 0
NVIDIA CORP Common Stocks 67066G104 85,730,272 542,631 SH SOLE 0 542,631 0 0
ORACLE CORP Common Stocks 68389X105 282,033 1,290 SH SOLE 0 1,290 0 0
PAYCHEX INC. Common Stocks 704326107 855,450 5,881 SH SOLE 0 5,881 0 0
PEPSICO, INC. Common Stocks 713448108 3,857,285 29,213 SH SOLE 0 29,213 0 0
PFIZER, INC. Common Stocks 717081103 2,917,648 120,365 SH SOLE 0 120,365 0 0
PROCTER & GAMBLE, CO. Common Stocks 742718109 4,222,458 26,503 SH SOLE 0 26,503 0 0
PAYPAL HOLDINGS, INC. Common Stocks 70450Y103 47,840,973 643,716 SH SOLE 0 643,716 0 0
QUALCOMM, INC. Common Stocks 747525103 30,416,749 190,988 SH SOLE 0 190,988 0 0
ROIVANT SCIENCES LTD. Common Stocks G76279101 19,064,693 1,691,632 SH SOLE 0 1,691,632 0 0
RTX CORP. Common Stocks 75513E101 28,692,638 196,498 SH SOLE 0 196,498 0 0
STARBUCKS, CORP. Common Stocks 855244109 2,675,504 29,199 SH SOLE 0 29,199 0 0
SPROUTS FARMERS MARKET INC Common Stocks 85208M102 28,339,812 172,132 SH SOLE 0 172,132 0 0
SHELL PLC Common Stocks 780259305 35,639,430 506,170 SH SOLE 0 506,170 0 0
SIRIUSXM HOLDINGS INC. Common Stocks 829933100 14,974,097 651,898 SH SOLE 0 651,898 0 0
SPDR S & P 500 ETF Common Stocks 78462F103 680,138 1,101 SH SOLE 0 1,101 0 0
TOAST, INC. Common Stocks 888787108 332,175 7,500 SH SOLE 0 7,500 0 0
TRAVELERS COMPANIES Common Stocks 89417E109 249,615 933 SH SOLE 0 933 0 0
TESLA, INC. Common Stocks 88160R101 385,957 1,215 SH SOLE 0 1,215 0 0
TEXAS INSTRUMENTS, INC. Common Stocks 882508104 8,636,369 41,597 SH SOLE 0 41,597 0 0
UNITEDHEALTH GROUP, INC. Common Stocks 91324P102 41,961,213 134,504 SH SOLE 0 134,504 0 0
UNITED PARCEL SERVICE, INC. Common Stocks 911312106 3,896,486 38,602 SH SOLE 0 38,602 0 0
U.S. PHYSICAL THERAPY, INC. Common Stocks 90337L108 2,352,960 30,089 SH SOLE 0 30,089 0 0
VISA, INC. Common Stocks 92826C839 1,195,808 3,368 SH SOLE 0 3,368 0 0
VANGUARD S&P 500 ETF Common Stocks 922908363 800,922 1,410 SH SOLE 0 1,410 0 0
VERIZON COMMUNICATIONS Common Stocks 92343V104 4,089,967 94,522 SH SOLE 0 94,522 0 0
WASTE MANGEMENT, INC. Common Stocks 94106L109 13,017,570 56,890 SH SOLE 0 56,890 0 0
WAL-MART INC. Common Stocks 931142103 265,962 2,720 SH SOLE 0 2,720 0 0
EXXON MOBIL, CORP. Common Stocks 30231G102 1,029,167 9,547 SH SOLE 0 9,547 0 0
XYLEM, INC. Common Stocks 98419M100 12,483,757 96,504 SH SOLE 0 96,504 0 0