The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it 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 |
BARCLAYS BK PLC CONV ZERO CPN | Convertible Bonds | 06741JV89 | 41 | 46,000 | PRN | SOLE | 0 | 46,000 | 0 | 0 | |
LAYNE CHRISTENSEN 4.25 CONVERT DUE 11/15/2018 | Convertible Bonds | 521050AB0 | 10,948 | 10,909,000 | PRN | SOLE | 0 | 10,909,000 | 0 | 0 | |
APPLE INC. | Common Stocks | 037833100 | 14,099 | 76,164 | SH | SOLE | 0 | 76,164 | 0 | 0 | |
ABB LIMITED | Common Stocks | 000375204 | 8,791 | 403,807 | SH | SOLE | 0 | 403,807 | 0 | 0 | |
ACCENTURE PLC | Common Stocks | G1151C101 | 8,285 | 50,643 | SH | SOLE | 0 | 50,643 | 0 | 0 | |
AEGON N.V. ADR | Common Stocks | 007924103 | 136 | 23,000 | SH | SOLE | 0 | 23,000 | 0 | 0 | |
AMGEN INC | Common Stocks | 031162100 | 277 | 1,500 | SH | SOLE | 0 | 1,500 | 0 | 0 | |
AMAZON COM INC | Common Stocks | 023135106 | 248 | 146 | SH | SOLE | 0 | 146 | 0 | 0 | |
ALIBABA GROUP HOLDING LTD SPONS ADS | Common Stocks | 01609W102 | 212 | 1,141 | SH | SOLE | 0 | 1,141 | 0 | 0 | |
NATUS MEDICAL, INC. | Common Stocks | 639050103 | 224 | 6,500 | SH | SOLE | 0 | 6,500 | 0 | 0 | |
BRISTOL-MYERS SQUIBB CO | Common Stocks | 110122108 | 7,543 | 136,307 | SH | SOLE | 0 | 136,307 | 0 | 0 | |
BLACK STONE MINERALS LP | Common Stocks | 09225M101 | 324 | 17,529 | SH | SOLE | 0 | 17,529 | 0 | 0 | |
CELGENE CORPORATION | Common Stocks | 151020104 | 13,969 | 175,891 | SH | SOLE | 0 | 175,891 | 0 | 0 | |
CHECK POINT SOFTWARE TECH | Common Stocks | M22465104 | 10,773 | 110,291 | SH | SOLE | 0 | 110,291 | 0 | 0 | |
CISCO SYSTEMS, INC. | Common Stocks | 17275R102 | 260 | 6,037 | SH | SOLE | 0 | 6,037 | 0 | 0 | |
CHEVRON CORP. | Common Stocks | 166764100 | 209 | 1,650 | SH | SOLE | 0 | 1,650 | 0 | 0 | |
DISH NETWORK CORP | Common Stocks | 25470M109 | 303 | 9,025 | SH | SOLE | 0 | 9,025 | 0 | 0 | |
DORCHESTER MINERALS LP | Common Stocks | 25820R105 | 866 | 42,030 | SH | SOLE | 0 | 42,030 | 0 | 0 | |
DELL TECHNOLOGIES CLASS V | Common Stocks | 24703L103 | 17,017 | 201,196 | SH | SOLE | 0 | 201,196 | 0 | 0 | |
ENTERPRISE PRODUCTS PRTNS | Common Stocks | 293792107 | 30,145 | 1,089,450 | SH | SOLE | 0 | 1,089,450 | 0 | 0 | |
ENERGY TRANSFER EQUITY L P | Common Stocks | 29273V100 | 293 | 17,000 | SH | SOLE | 0 | 17,000 | 0 | 0 | |
TWENTY-FIRST CENTURY FOX, INC | Common Stocks | 90130A101 | 15,299 | 307,890 | SH | SOLE | 0 | 307,890 | 0 | 0 | |
GENERAL ELECTRIC | Common Stocks | 369604103 | 221 | 16,204 | SH | SOLE | 0 | 16,204 | 0 | 0 | |
GILEAD SCIENCES, INC | Common Stocks | 375558103 | 12,670 | 178,850 | SH | SOLE | 0 | 178,850 | 0 | 0 | |
ALPHABET INC CL C (GOOGLE C) | Common Stocks | 02079K107 | 31,840 | 28,539 | SH | SOLE | 0 | 28,539 | 0 | 0 | |
ALPHABET INC CL A (GOOGLE A) | Common Stocks | 02079K305 | 19,685 | 17,433 | SH | SOLE | 0 | 17,433 | 0 | 0 | |
HONEYWELL INTL INC | Common Stocks | 438516106 | 1,891 | 13,126 | SH | SOLE | 0 | 13,126 | 0 | 0 | |
INDEPENDENT BANK GROUP, INC | Common Stocks | 45384B106 | 372 | 5,564 | SH | SOLE | 0 | 5,564 | 0 | 0 | |
INOVALON HOLDINGS INC. (Class A) | Common Stocks | 45781D101 | 7,770 | 782,880 | SH | SOLE | 0 | 782,880 | 0 | 0 | |
KINDER MORGAN, INC. | Common Stocks | 49456B101 | 18,058 | 1,021,981 | SH | SOLE | 0 | 1,021,981 | 0 | 0 | |
LAS VEGAS SANDS | Common Stocks | 517834107 | 13,216 | 173,072 | SH | SOLE | 0 | 173,072 | 0 | 0 | |
THE MOSAIC COMPANY | Common Stocks | 61945C103 | 5,622 | 200,416 | SH | SOLE | 0 | 200,416 | 0 | 0 | |
MATADOR RESOURCES CO. | Common Stocks | 576485205 | 1,352 | 45,000 | SH | SOLE | 0 | 45,000 | 0 | 0 | |
NOBLE ENERGY INC | Common Stocks | 655044105 | 10,071 | 285,447 | SH | SOLE | 0 | 285,447 | 0 | 0 | |
NIELSEN HOLDINGS PLC | Common Stocks | G6518L108 | 8,401 | 271,601 | SH | SOLE | 0 | 271,601 | 0 | 0 | |
NVIDIA CORP | Common Stocks | 67066G104 | 237 | 1,000 | SH | SOLE | 0 | 1,000 | 0 | 0 | |
NXP SEMICONDUCT | Common Stocks | N6596X109 | 1,136 | 10,400 | SH | SOLE | 0 | 10,400 | 0 | 0 | |
OWENS & MINOR, INC. | Common Stocks | 690732102 | 234 | 14,000 | SH | SOLE | 0 | 14,000 | 0 | 0 | |
PLAINS ALL AMERICAN PIPELINE, LP | Common Stocks | 726503105 | 201 | 8,500 | SH | SOLE | 0 | 8,500 | 0 | 0 | |
PAYCHEX INC. | Common Stocks | 704326107 | 383 | 5,600 | SH | SOLE | 0 | 5,600 | 0 | 0 | |
QUALCOMM INC | Common Stocks | 747525103 | 26,953 | 480,272 | SH | SOLE | 0 | 480,272 | 0 | 0 | |
SCHLUMBERGER LTD | Common Stocks | 806857108 | 11,582 | 172,792 | SH | SOLE | 0 | 172,792 | 0 | 0 | |
UNILEVER PLC ADR | Common Stocks | 904767704 | 310 | 5,600 | SH | SOLE | 0 | 5,600 | 0 | 0 | |
VISA, INC. | Common Stocks | 92826C839 | 583 | 4,400 | SH | SOLE | 0 | 4,400 | 0 | 0 | |
WALGREENS BOOTS ALLIANCE | Common Stocks | 931427108 | 210 | 3,500 | SH | SOLE | 0 | 3,500 | 0 | 0 | |
WESTERN GAS PARTNERS, LP | Common Stocks | 958254104 | 266 | 5,500 | SH | SOLE | 0 | 5,500 | 0 | 0 | |
EXXON MOBIL CORP | Common Stocks | 30231G102 | 228 | 2,751 | SH | SOLE | 0 | 2,751 | 0 | 0 | |
XYLEM INC. | Common Stocks | 98419M100 | 11,373 | 168,787 | SH | SOLE | 0 | 168,787 | 0 | 0 |