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 |
| ASSOCIATED CAP GROUP INC | COM | 045528106 | 4,692 | 129,875 | SH | SOLE | 0 | 0 | 129,875 | ||
| BERKSHIRE HATHAWAY INC DEL | COM | 084670702 | 3,567 | 16,749 | SH | SOLE | 0 | 0 | 16,749 | ||
| BOEING CO | COM | 097023105 | 1,453 | 8,790 | SH | SOLE | 0 | 0 | 8,790 | ||
| CACI INTL INC | COM | 127190304 | 5,192 | 24,355 | SH | SOLE | 0 | 0 | 24,355 | ||
| CBOE GLOBAL MARKETS INC | COM | 12503M108 | 1,185 | 13,510 | SH | SOLE | 0 | 0 | 13,510 | ||
| CIVEO CORP CDA | COM | 17878Y108 | 2,973 | 4,403,167 | SH | SOLE | 0 | 0 | 4,403,167 | ||
| CME GROUP INC | COM | 12572Q105 | 1,791 | 10,707 | SH | SOLE | 0 | 0 | 10,707 | ||
| DISNEY WALT CO | COM | 254687106 | 298 | 2,400 | SH | SOLE | 0 | 0 | 2,400 | ||
| FRANCO NEV CORP | COM | 351858105 | 5,512 | 39,490 | SH | SOLE | 0 | 0 | 39,490 | ||
| HOWARD HUGHES CORP | COM | 44267D107 | 2,815 | 48,874 | SH | SOLE | 0 | 0 | 48,874 | ||
| INTERCONTINENTAL EXCHANGE IN | COM | 45866F104 | 1,326 | 13,250 | SH | SOLE | 0 | 0 | 13,250 | ||
| LIBERTY BROADBAND CORP | CLASS A | 530307107 | 775 | 5,464 | SH | SOLE | 0 | 0 | 5,464 | ||
| LIBERTY BROADBAND CORP | CLASS C | 530307305 | 3,763 | 26,338 | SH | SOLE | 0 | 0 | 26,338 | ||
| LIBERTY MEDIA CORP DEL | CLASS A | 531229870 | 490 | 14,634 | SH | SOLE | 0 | 0 | 14,634 | ||
| LIBERTY MEDIA CORP DEL | CLASS C | 531229854 | 1,570 | 43,283 | SH | SOLE | 0 | 0 | 43,283 | ||
| LIBERTY MEDIA CORP DEL | CLASS A | 531229409 | 769 | 23,190 | SH | SOLE | 0 | 0 | 23,190 | ||
| LIBERTY MEDIA CORP DEL | CLASS C | 531229607 | 2,421 | 73,201 | SH | SOLE | 0 | 0 | 73,201 | ||
| MAMMOTH ENERGY SVCS INC | COM | 56155L108 | 19 | 11,700 | SH | SOLE | 0 | 0 | 11,700 | ||
| MESABI TR | BEN INT | 590672101 | 1,206 | 56,850 | SH | SOLE | 0 | 0 | 56,850 | ||
| NUVEEN AMT FREE QLTY MUN INC | COM | 670657105 | 475 | 33,097 | SH | SOLE | 0 | 0 | 33,097 | ||
| RLI CORP | COM | 749607107 | 586 | 7,000 | SH | SOLE | 0 | 0 | 7,000 | ||
| TEXAS PAC LD TR | COM | 882610108 | 24,667 | 54,626 | SH | SOLE | 0 | 0 | 54,626 | ||
| WHEATON PRECIOUS METALS CORP | COM | 962879102 | 11,089 | 225,977 | SH | SOLE | 0 | 0 | 225,977 | ||