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 | 4,517 | 128,625 | SH | SOLE | 0 | 0 | 128,625 | ||
| BOEING CO | COM | 097023105 | 1,905 | 8,900 | SH | SOLE | 0 | 0 | 8,900 | ||
| BERKSHIRE HATHAWAY INC DEL | COM | 084670702 | 3,814 | 16,449 | SH | SOLE | 0 | 0 | 16,449 | ||
| CACI INTL INC | COM | 127190304 | 6,172 | 24,755 | SH | SOLE | 0 | 0 | 24,755 | ||
| CBOE GLOBAL MKTS INC | COM | 12503M108 | 1,081 | 11,610 | SH | SOLE | 0 | 0 | 11,610 | ||
| CME GROUP INC | COM | 12572Q105 | 1,940 | 10,659 | SH | SOLE | 0 | 0 | 10,659 | ||
| CIVEO CORP CDA | COM | 17878Y207 | 5,010 | 360,422 | SH | SOLE | 0 | 0 | 360,422 | ||
| DISNEY WALT CO | COM | 254687106 | 435 | 2,400 | SH | SOLE | 0 | 0 | 2,400 | ||
| FRANCO NEV CORP | COM | 351858105 | 5,009 | 39,965 | SH | SOLE | 0 | 0 | 39,965 | ||
| LIBERTY MEDIA CORP DEL | CLASS A | 531229870 | 526 | 13,849 | SH | SOLE | 0 | 0 | 13,849 | ||
| LIBERTY MEDIA CORP DEL | CLASS A | 531229854 | 1,841 | 43,215 | SH | SOLE | 0 | 0 | 43,215 | ||
| HOWARD HUGHES CORP | COM | 44267D107 | 3,732 | 47,286 | SH | SOLE | 0 | 0 | 47,286 | ||
| INTERCONTINENTAL EXCHANGE IN | COM | 45866F104 | 1,551 | 13,450 | SH | SOLE | 0 | 0 | 13,450 | ||
| LIBERTY BROADBAND CORP | CLASS A | 530307107 | 776 | 4,922 | SH | SOLE | 0 | 0 | 4,922 | ||
| LIBERTY BROADBAND CORP | CLASS A | 530307305 | 4,034 | 25,470 | SH | SOLE | 0 | 0 | 25,470 | ||
| LIBERTY MEDIA CORP DEL | CLASS A | 531229409 | 748 | 17,312 | SH | SOLE | 0 | 0 | 17,312 | ||
| LIBERTY MEDIA CORP DEL | CLASS A | 531229607 | 2,961 | 68,049 | SH | SOLE | 0 | 0 | 68,049 | ||
| MESABI TR | BEN INT | 590672101 | 5,105 | 182,000 | SH | SOLE | 0 | 0 | 182,000 | ||
| NUVEEN AMT FREE QLTY MUN INC | COM | 670657105 | 500 | 33,097 | SH | SOLE | 0 | 0 | 33,097 | ||
| RLI CORP | COM | 749607107 | 729 | 7,000 | SH | SOLE | 0 | 0 | 7,000 | ||
| TEXAS PAC LD TR | COM | 882610108 | 39,931 | 54,926 | SH | SOLE | 0 | 0 | 54,926 | ||
| MAMMOTH ENERGY SVCS INC | COM | 56155L108 | 52 | 11,700 | SH | SOLE | 0 | 0 | 11,700 | ||
| WHEATON PRECIOUS METALS CORP | COM | 962879102 | 9,468 | 226,827 | SH | SOLE | 0 | 0 | 226,827 | ||