The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete. | |||||||||||||||||
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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 | 41,404 | 233,172 | SH | SOLE | 0 | 233,172 | 0 | 0 | |
| ABB LIMITED | Common Stocks | 000375204 | 19,028 | 498,512 | SH | SOLE | 0 | 498,512 | 0 | 0 | |
| ACCENTURE PLC | Common Stocks | G1151C101 | 16,347 | 39,434 | SH | SOLE | 0 | 39,434 | 0 | 0 | |
| AMGEN INC | Common Stocks | 031162100 | 345 | 1,534 | SH | SOLE | 0 | 1,534 | 0 | 0 | |
| AMAZON COM INC | Common Stocks | 023135106 | 1,034 | 310 | SH | SOLE | 0 | 310 | 0 | 0 | |
| ACTIVISION BLIZZARD, INC. | Common Stocks | 00507V109 | 20,916 | 314,385 | SH | SOLE | 0 | 314,385 | 0 | 0 | |
| BRISTOL-MYERS SQUIBB CO | Common Stocks | 110122108 | 25,929 | 415,869 | SH | SOLE | 0 | 415,869 | 0 | 0 | |
| BLACK STONE MINERALS LP | Common Stocks | 09225M101 | 12,382 | 1,198,608 | SH | SOLE | 0 | 1,198,608 | 0 | 0 | |
| ANHEUSER-BUSCH INBEV SA | Common Stocks | 03524A108 | 16,881 | 278,795 | SH | SOLE | 0 | 278,795 | 0 | 0 | |
| CHECK POINT SOFTWARE TECH | Common Stocks | M22465104 | 10,409 | 89,298 | SH | SOLE | 0 | 89,298 | 0 | 0 | |
| DESPEGAR.COM | Common Stocks | G27358103 | 1,645 | 168,000 | SH | SOLE | 0 | 168,000 | 0 | 0 | |
| DORCHESTER MINERALS LP | Common Stocks | 25820R105 | 488 | 24,680 | SH | SOLE | 0 | 24,680 | 0 | 0 | |
| EBAY INC | Common Stocks | 278642103 | 2,036 | 30,622 | SH | SOLE | 0 | 30,622 | 0 | 0 | |
| ENTERPRISE PRODUCTS PRTNS | Common Stocks | 293792107 | 26,113 | 1,189,120 | SH | SOLE | 0 | 1,189,120 | 0 | 0 | |
| GILEAD SCIENCES, INC | Common Stocks | 375558103 | 21,323 | 293,668 | SH | SOLE | 0 | 293,668 | 0 | 0 | |
| GAMING AND LEISURE PROPERTIES INC. | Common Stocks | 36467J108 | 1,109 | 22,794 | SH | SOLE | 0 | 22,794 | 0 | 0 | |
| ALPHABET INC CL C (GOOGLE C) | Common Stocks | 02079K107 | 73,159 | 25,283 | SH | SOLE | 0 | 25,283 | 0 | 0 | |
| ALPHABET INC CL A (GOOGLE A) | Common Stocks | 02079K305 | 38,357 | 13,240 | SH | SOLE | 0 | 13,240 | 0 | 0 | |
| HONEYWELL INTL INC | Common Stocks | 438516106 | 2,204 | 10,570 | SH | SOLE | 0 | 10,570 | 0 | 0 | |
| INDEPENDENT BANK GROUP, INC | Common Stocks | 45384B106 | 202 | 2,800 | SH | SOLE | 0 | 2,800 | 0 | 0 | |
| JP MORGAN CHASE & CO | Common Stocks | 46625H100 | 524 | 3,312 | SH | SOLE | 0 | 3,312 | 0 | 0 | |
| KINDER MORGAN, INC. | Common Stocks | 49456B101 | 25,482 | 1,606,694 | SH | SOLE | 0 | 1,606,694 | 0 | 0 | |
| LOCKHEED MARTIN CORP | Common Stocks | 539830109 | 15,677 | 44,110 | SH | SOLE | 0 | 44,110 | 0 | 0 | |
| LIBERTY MEDIA - SIRIUSXM CL C | Common Stocks | 531229607 | 16,501 | 324,510 | SH | SOLE | 0 | 324,510 | 0 | 0 | |
| LAS VEGAS SANDS | Common Stocks | 517834107 | 1,570 | 41,720 | SH | SOLE | 0 | 41,720 | 0 | 0 | |
| MICROSOFT CORPORATION | Common Stocks | 594918104 | 660 | 1,962 | SH | SOLE | 0 | 1,962 | 0 | 0 | |
| MATADOR RESOURCES CO. | Common Stocks | 576485205 | 1,108 | 30,000 | SH | SOLE | 0 | 30,000 | 0 | 0 | |
| NIELSEN HOLDINGS PLC | Common Stocks | G6518L108 | 15,111 | 736,776 | SH | SOLE | 0 | 736,776 | 0 | 0 | |
| NVIDIA CORP | Common Stocks | 67066G104 | 581 | 1,976 | SH | SOLE | 0 | 1,976 | 0 | 0 | |
| NXP SEMICONDUCT | Common Stocks | N6596X109 | 2,369 | 10,400 | SH | SOLE | 0 | 10,400 | 0 | 0 | |
| OWENS & MINOR, INC. | Common Stocks | 690732102 | 283 | 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 | 1,949 | 53,998 | SH | SOLE | 0 | 53,998 | 0 | 0 | |
| PEPSICO INC | Common Stocks | 713448108 | 338 | 1,944 | SH | SOLE | 0 | 1,944 | 0 | 0 | |
| PROCTER & GAMBLE | Common Stocks | 742718109 | 601 | 3,677 | SH | SOLE | 0 | 3,677 | 0 | 0 | |
| QUALCOMM INC | Common Stocks | 747525103 | 46,066 | 251,907 | SH | SOLE | 0 | 251,907 | 0 | 0 | |
| ROYAL DUTCH SHELL PLC ADR CL B | Common Stocks | 780259107 | 24,864 | 573,575 | SH | SOLE | 0 | 573,575 | 0 | 0 | |
| ROCKET LAB USA INC COM | Common Stocks | 773122106 | 123 | 10,000 | SH | SOLE | 0 | 10,000 | 0 | 0 | |
| RAYTHEON TECHNOLOGIES CORP. | Common Stocks | 75513E101 | 16,679 | 193,808 | SH | SOLE | 0 | 193,808 | 0 | 0 | |
| SPROUTS FARMERS MARKET INC | Common Stocks | 85208M102 | 18,680 | 629,386 | SH | SOLE | 0 | 629,386 | 0 | 0 | |
| SPIRIT AEROSYSTEMS | Common Stocks | 848574109 | 22,267 | 516,766 | SH | SOLE | 0 | 516,766 | 0 | 0 | |
| TESLA MOTORS INC. | Common Stocks | 88160R101 | 446 | 422 | SH | SOLE | 0 | 422 | 0 | 0 | |
| UNITEDHEALTH GROUP INC. | Common Stocks | 91324P102 | 28,118 | 55,996 | SH | SOLE | 0 | 55,996 | 0 | 0 | |
| VISA, INC. | Common Stocks | 92826C839 | 753 | 3,474 | SH | SOLE | 0 | 3,474 | 0 | 0 | |
| XYLEM INC. | Common Stocks | 98419M100 | 16,531 | 137,854 | SH | SOLE | 0 | 137,854 | 0 | 0 | |