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 |
ABBOTT LABS | COM | 002824100 | 33 | 340 | SH | SOLE | 340 | 0 | 0 | ||
ALPHABET INC | CAP STK CL A | 02079K305 | 134 | 1,400 | SH | SOLE | 1,400 | 0 | 0 | ||
ALPHABET INC | CAP STK CL C | 02079K107 | 6,657 | 69,240 | SH | SOLE | 69,240 | 0 | 0 | ||
BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | 813 | 2 | SH | SOLE | 2 | 0 | 0 | ||
BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | 551 | 2,065 | SH | SOLE | 2,065 | 0 | 0 | ||
BRIGHAM MINERALS INC | CL A COM | 10918L103 | 480 | 19,465 | SH | SOLE | 19,465 | 0 | 0 | ||
BROOKFIELD ASSET MGMT INC | CL A LTD VT SH | 112585104 | 739 | 18,065 | SH | SOLE | 18,065 | 0 | 0 | ||
BROWN FORMAN CORP | CL B | 115637209 | 129 | 1,940 | SH | SOLE | 1,940 | 0 | 0 | ||
CME GROUP INC | COM | 12572Q105 | 638 | 3,604 | SH | SOLE | 3,604 | 0 | 0 | ||
CONOCOPHILLIPS | COM | 20825C104 | 82 | 800 | SH | SOLE | 800 | 0 | 0 | ||
DARLING INGREDIENTS INC | COM | 237266101 | 1,158 | 17,510 | SH | SOLE | 17,510 | 0 | 0 | ||
DIGIMARC CORP NEW | COM | 25381B101 | 7,291 | 538,090 | SH | SOLE | 538,090 | 0 | 0 | ||
ENERGY RECOVERY INC | COM | 29270J100 | 5,999 | 275,960 | SH | SOLE | 275,960 | 0 | 0 | ||
ENSTAR GROUP LIMITED | SHS | G3075P101 | 5,870 | 34,615 | SH | SOLE | 34,615 | 0 | 0 | ||
EXXON MOBIL CORP | COM | 30231G102 | 467 | 5,350 | SH | SOLE | 5,350 | 0 | 0 | ||
FRANCO NEV CORP | COM | 351858105 | 124 | 1,040 | SH | SOLE | 1,040 | 0 | 0 | ||
GXO LOGISTICS INCORPORATED | COMMON STOCK | 36262G101 | 5,432 | 154,945 | SH | SOLE | 154,945 | 0 | 0 | ||
HEICO CORP NEW | COM | 422806109 | 407 | 2,827 | SH | SOLE | 2,827 | 0 | 0 | ||
KEYSIGHT TECHNOLOGIES INC | COM | 49338L103 | 393 | 2,500 | SH | SOLE | 2,500 | 0 | 0 | ||
MASTERCARD INCORPORATED | CL A | 57636Q104 | 644 | 2,264 | SH | SOLE | 2,264 | 0 | 0 | ||
MICROSOFT CORP | COM | 594918104 | 355 | 1,525 | SH | SOLE | 1,525 | 0 | 0 | ||
NATERA INC | COM | 632307104 | 6,977 | 159,220 | SH | SOLE | 159,220 | 0 | 0 | ||
NOVO-NORDISK A S | ADR | 670100205 | 225 | 2,255 | SH | SOLE | 2,255 | 0 | 0 | ||
PHILLIPS 66 | COM | 718546104 | 14 | 170 | SH | SOLE | 170 | 0 | 0 | ||
PTC INC | COM | 69370C100 | 10,296 | 98,435 | SH | SOLE | 98,435 | 0 | 0 | ||
QUANTA SVCS INC | COM | 74762E102 | 68 | 535 | SH | SOLE | 535 | 0 | 0 | ||
RENAISSANCERE HLDGS LTD | COM | G7496G103 | 5,890 | 41,956 | SH | SOLE | 41,956 | 0 | 0 | ||
RIVIAN AUTOMOTIVE INC | COM CL A | 76954A103 | 46 | 1,400 | SH | SOLE | 1,400 | 0 | 0 | ||
ROYALTY PHARMA PLC | SHS CLASS A | G7709Q104 | 5,678 | 141,305 | SH | SOLE | 141,305 | 0 | 0 | ||
SEAGEN INC | COM | 81181C104 | 6,562 | 47,955 | SH | SOLE | 47,955 | 0 | 0 | ||
SPDR GOLD TR | GOLD SHS | 78463V107 | 101 | 650 | SH | SOLE | 650 | 0 | 0 | ||
ST JOE CO | COM | 790148100 | 517 | 16,130 | SH | SOLE | 16,130 | 0 | 0 | ||
STEREOTAXIS INC | COM NEW | 85916J409 | 3,951 | 2,194,940 | SH | SOLE | 2,194,940 | 0 | 0 | ||
TEXAS PACIFIC LAND CORPORATI | COM | 88262P102 | 36,367 | 20,463 | SH | SOLE | 20,463 | 0 | 0 | ||
TRUPANION INC | COM | 898202106 | 7,194 | 121,050 | SH | SOLE | 121,050 | 0 | 0 | ||
UBIQUITI INC | COM | 90353W103 | 7,176 | 24,445 | SH | SOLE | 24,445 | 0 | 0 | ||
VOLITIONRX LTD | COM | 928661107 | 4,429 | 3,256,745 | SH | SOLE | 3,256,745 | 0 | 0 | ||
XPO LOGISTICS INC | COM | 983793100 | 6,745 | 151,506 | SH | SOLE | 151,506 | 0 | 0 |