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 |
| ALPHABET INC | CAP STK CL C | 02079K107 | 192,602 | 2,003,140 | SH | SOLE | 2,003,140 | 0 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | 171,530 | 422 | SH | SOLE | 422 | 0 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | 128,956 | 482,945 | SH | SOLE | 482,945 | 0 | 0 | ||
| MARKEL CORP | COM | 570535104 | 60,098 | 55,430 | SH | SOLE | 55,430 | 0 | 0 | ||
| LUMEN TECHNOLOGIES INC | COM | 550241103 | 26,279 | 3,609,701 | SH | SOLE | 3,609,701 | 0 | 0 | ||
| PUBMATIC INC | COM CL A | 74467Q103 | 17,991 | 1,081,811 | SH | SOLE | 1,081,811 | 0 | 0 | ||