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 |
| ABBOTT LABS | COM | 002824100 | 37 | 340 | SH | SOLE | 340 | 0 | 0 | ||
| ALPHABET INC | CAP STK CL A | 02079K305 | 153 | 70 | SH | SOLE | 70 | 0 | 0 | ||
| ALPHABET INC | CAP STK CL C | 02079K107 | 8,098 | 3,702 | SH | SOLE | 3,702 | 0 | 0 | ||
| AVALARA INC | COM | 05338G106 | 5,285 | 74,860 | SH | SOLE | 74,860 | 0 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | 818 | 2 | SH | SOLE | 2 | 0 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | 564 | 2,065 | SH | SOLE | 2,065 | 0 | 0 | ||
| BRIGHAM MINERALS INC | CL A COM | 10918L103 | 376 | 15,280 | SH | SOLE | 15,280 | 0 | 0 | ||
| BROOKFIELD ASSET MGMT INC | CL A LTD VT SH | 112585104 | 697 | 15,670 | SH | SOLE | 15,670 | 0 | 0 | ||
| BROWN FORMAN CORP | CL B | 115637209 | 136 | 1,940 | SH | SOLE | 1,940 | 0 | 0 | ||
| CME GROUP INC | COM | 12572Q105 | 824 | 4,027 | SH | SOLE | 4,027 | 0 | 0 | ||
| CONOCOPHILLIPS | COM | 20825C104 | 72 | 800 | SH | SOLE | 800 | 0 | 0 | ||
| DARLING INGREDIENTS INC | COM | 237266101 | 1,047 | 17,510 | SH | SOLE | 17,510 | 0 | 0 | ||
| DIGIMARC CORP NEW | COM | 25381B101 | 6,872 | 486,030 | SH | SOLE | 486,030 | 0 | 0 | ||
| ENERGY RECOVERY INC | COM | 29270J100 | 4,764 | 245,330 | SH | SOLE | 245,330 | 0 | 0 | ||
| ENSTAR GROUP LIMITED | SHS | G3075P101 | 7,616 | 35,590 | SH | SOLE | 35,590 | 0 | 0 | ||
| EXXON MOBIL CORP | COM | 30231G102 | 473 | 5,525 | SH | SOLE | 5,525 | 0 | 0 | ||
| FRANCO NEV CORP | COM | 351858105 | 166 | 1,265 | SH | SOLE | 1,265 | 0 | 0 | ||
| GXO LOGISTICS INCORPORATED | COMMON STOCK | 36262G101 | 5,835 | 134,841 | SH | SOLE | 134,841 | 0 | 0 | ||
| HEICO CORP NEW | COM | 422806109 | 295 | 2,250 | SH | SOLE | 2,250 | 0 | 0 | ||
| KEYSIGHT TECHNOLOGIES INC | COM | 49338L103 | 321 | 2,330 | SH | SOLE | 2,330 | 0 | 0 | ||
| MASTERCARD INCORPORATED | CL A | 57636Q104 | 714 | 2,264 | SH | SOLE | 2,264 | 0 | 0 | ||
| MICROSOFT CORP | COM | 594918104 | 392 | 1,525 | SH | SOLE | 1,525 | 0 | 0 | ||
| NATERA INC | COM | 632307104 | 5,257 | 148,330 | SH | SOLE | 148,330 | 0 | 0 | ||
| NOVO-NORDISK A S | ADR | 670100205 | 251 | 2,255 | SH | SOLE | 2,255 | 0 | 0 | ||
| PHILLIPS 66 | COM | 718546104 | 14 | 170 | SH | SOLE | 170 | 0 | 0 | ||
| PTC INC | COM | 69370C100 | 11,269 | 105,970 | SH | SOLE | 105,970 | 0 | 0 | ||
| RENAISSANCERE HLDGS LTD | COM | G7496G103 | 7,622 | 48,746 | SH | SOLE | 48,746 | 0 | 0 | ||
| RIVIAN AUTOMOTIVE INC | COM CL A | 76954A103 | 15 | 600 | SH | SOLE | 600 | 0 | 0 | ||
| ROYALTY PHARMA PLC | SHS CLASS A | G7709Q104 | 5,744 | 136,635 | SH | SOLE | 136,635 | 0 | 0 | ||
| SEAGEN INC | COM | 81181C104 | 8,751 | 49,460 | SH | SOLE | 49,460 | 0 | 0 | ||
| SPDR GOLD TR | GOLD SHS | 78463V107 | 109 | 650 | SH | SOLE | 650 | 0 | 0 | ||
| ST JOE CO | COM | 790148100 | 748 | 18,910 | SH | SOLE | 18,910 | 0 | 0 | ||
| STEREOTAXIS INC | COM NEW | 85916J409 | 2,999 | 1,630,040 | SH | SOLE | 1,630,040 | 0 | 0 | ||
| TEXAS PACIFIC LAND CORPORATI | COM | 88262P102 | 33,769 | 22,694 | SH | SOLE | 22,694 | 0 | 0 | ||
| TRUPANION INC | COM | 898202106 | 7,086 | 117,590 | SH | SOLE | 117,590 | 0 | 0 | ||
| UBIQUITI INC | COM | 90353W103 | 7,851 | 31,630 | SH | SOLE | 31,630 | 0 | 0 | ||
| VOLITIONRX LTD | COM | 928661107 | 7,032 | 3,430,295 | SH | SOLE | 3,430,295 | 0 | 0 | ||
| XPO LOGISTICS INC | COM | 983793100 | 6,877 | 142,791 | SH | SOLE | 142,791 | 0 | 0 | ||