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 |
| BARCLAYS BK PLC CONV ZERO CPN | Convertible Bonds | 06741JV89 | 46 | 46,000 | PRN | SOLE | 0 | 46,000 | 0 | 0 | |
| APPLE INC. | Common Stocks | 037833100 | 16,169 | 63,585 | SH | SOLE | 0 | 63,585 | 0 | 0 | |
| ABB LIMITED | Common Stocks | 000375204 | 9,001 | 521,469 | SH | SOLE | 0 | 521,469 | 0 | 0 | |
| ACACIA COMMUNICATIONS | Common Stocks | 00401C108 | 941 | 14,000 | SH | SOLE | 0 | 14,000 | 0 | 0 | |
| ACCENTURE PLC | Common Stocks | G1151C101 | 6,771 | 41,471 | SH | SOLE | 0 | 41,471 | 0 | 0 | |
| AMGEN INC | Common Stocks | 031162100 | 317 | 1,564 | SH | SOLE | 0 | 1,564 | 0 | 0 | |
| AMAZON COM INC | Common Stocks | 023135106 | 544 | 279 | SH | SOLE | 0 | 279 | 0 | 0 | |
| ACTIVISION BLIZZARD, INC. | Common Stocks | 00507V109 | 12,634 | 212,402 | SH | SOLE | 0 | 212,402 | 0 | 0 | |
| BRISTOL-MYERS SQUIBB CO | Common Stocks | 110122108 | 22,291 | 399,915 | SH | SOLE | 0 | 399,915 | 0 | 0 | |
| BRISTOL-MYERS CONTINGENT VALUE RT EXP 3/31/2021 | Common Stocks | 110122157 | 776 | 204,264 | SH | SOLE | 0 | 204,264 | 0 | 0 | |
| BERKSHIRE HATHAWAY CLASS B | Common Stocks | 084670702 | 206 | 1,125 | SH | SOLE | 0 | 1,125 | 0 | 0 | |
| BLACK STONE MINERALS LP | Common Stocks | 09225M101 | 82 | 17,529 | SH | SOLE | 0 | 17,529 | 0 | 0 | |
| CHECK POINT SOFTWARE TECH | Common Stocks | M22465104 | 9,478 | 94,268 | SH | SOLE | 0 | 94,268 | 0 | 0 | |
| DORCHESTER MINERALS LP | Common Stocks | 25820R105 | 343 | 36,880 | SH | SOLE | 0 | 36,880 | 0 | 0 | |
| EBAY INC | Common Stocks | 278642103 | 8,615 | 286,594 | SH | SOLE | 0 | 286,594 | 0 | 0 | |
| ENTERPRISE PRODUCTS PRTNS | Common Stocks | 293792107 | 14,887 | 1,041,026 | SH | SOLE | 0 | 1,041,026 | 0 | 0 | |
| ENERGY TRANSFER EQUITY L P | Common Stocks | 29273V100 | 82 | 17,733 | SH | SOLE | 0 | 17,733 | 0 | 0 | |
| GILEAD SCIENCES, INC | Common Stocks | 375558103 | 18,619 | 249,046 | SH | SOLE | 0 | 249,046 | 0 | 0 | |
| GAMING AND LEISURE PROPERTIES INC. | Common Stocks | 36467J108 | 610 | 22,000 | SH | SOLE | 0 | 22,000 | 0 | 0 | |
| ALPHABET INC CL C (GOOGLE C) | Common Stocks | 02079K107 | 31,026 | 26,682 | SH | SOLE | 0 | 26,682 | 0 | 0 | |
| ALPHABET INC CL A (GOOGLE A) | Common Stocks | 02079K305 | 16,698 | 14,371 | SH | SOLE | 0 | 14,371 | 0 | 0 | |
| HONEYWELL INTL INC | Common Stocks | 438516106 | 1,638 | 12,241 | SH | SOLE | 0 | 12,241 | 0 | 0 | |
| INOVALON HOLDINGS INC. (Class A) | Common Stocks | 45781D101 | 7,677 | 460,789 | SH | SOLE | 0 | 460,789 | 0 | 0 | |
| KINDER MORGAN, INC. | Common Stocks | 49456B101 | 15,761 | 1,132,284 | SH | SOLE | 0 | 1,132,284 | 0 | 0 | |
| LAS VEGAS SANDS | Common Stocks | 517834107 | 7,131 | 167,918 | SH | SOLE | 0 | 167,918 | 0 | 0 | |
| MICROSOFT CORPORATION | Common Stocks | 594918104 | 274 | 1,740 | SH | SOLE | 0 | 1,740 | 0 | 0 | |
| MATADOR RESOURCES CO. | Common Stocks | 576485205 | 112 | 45,000 | SH | SOLE | 0 | 45,000 | 0 | 0 | |
| NOBLE ENERGY INC | Common Stocks | 655044105 | 426 | 70,543 | SH | SOLE | 0 | 70,543 | 0 | 0 | |
| NIELSEN HOLDINGS PLC | Common Stocks | G6518L108 | 8,495 | 677,422 | SH | SOLE | 0 | 677,422 | 0 | 0 | |
| NVIDIA CORP | Common Stocks | 67066G104 | 264 | 1,000 | SH | SOLE | 0 | 1,000 | 0 | 0 | |
| NXP SEMICONDUCT | Common Stocks | N6596X109 | 863 | 10,400 | SH | SOLE | 0 | 10,400 | 0 | 0 | |
| OWENS & MINOR, INC. | Common Stocks | 690732102 | 110 | 12,000 | SH | SOLE | 0 | 12,000 | 0 | 0 | |
| PAYCHEX INC. | Common Stocks | 704326107 | 370 | 5,881 | SH | SOLE | 0 | 5,881 | 0 | 0 | |
| PEPSICO INC | Common Stocks | 713448108 | 233 | 1,944 | SH | SOLE | 0 | 1,944 | 0 | 0 | |
| QUALCOMM INC | Common Stocks | 747525103 | 18,192 | 268,910 | SH | SOLE | 0 | 268,910 | 0 | 0 | |
| REATA PHARMACEUTICALS INC. | Common Stocks | 75615P103 | 555 | 3,848 | SH | SOLE | 0 | 3,848 | 0 | 0 | |
| RAYTHEON COMPANY | Common Stocks | 755111507 | 3,874 | 29,540 | SH | SOLE | 0 | 29,540 | 0 | 0 | |
| SPROUTS FARMERS MARKET INC | Common Stocks | 85208M102 | 20,185 | 1,085,803 | SH | SOLE | 0 | 1,085,803 | 0 | 0 | |
| SPIRIT AEROSYSTEMS | Common Stocks | 848574109 | 6,133 | 256,304 | SH | SOLE | 0 | 256,304 | 0 | 0 | |
| SPDR S & P 500 ETF | Common Stocks | 78462F103 | 269 | 1,045 | SH | SOLE | 0 | 1,045 | 0 | 0 | |
| UNITEDHEALTH GROUP INC. | Common Stocks | 91324P102 | 14,686 | 58,890 | SH | SOLE | 0 | 58,890 | 0 | 0 | |
| VISA, INC. | Common Stocks | 92826C839 | 890 | 5,525 | SH | SOLE | 0 | 5,525 | 0 | 0 | |
| XYLEM INC. | Common Stocks | 98419M100 | 9,661 | 148,328 | SH | SOLE | 0 | 148,328 | 0 | 0 | |