The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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
ALLEGHANY STOCK 017175100 9,440 11,247 SH   SOLE   11,247 0 0
ALTICE STOCK 02156K103 3,319 569,354 SH   SOLE   569,354 0 0
ALTRIA STOCK 02209S103 7,323 181,350 SH   SOLE   181,350 0 0
AMERICAN EXPRESS STOCK 025816109 8,758 64,914 SH   SOLE   64,914 0 0
APPLE STOCK 037833100 12,908 93,400 SH   SOLE   93,400 0 0
BERKSHIRE HATHAWAY B STOCK 084670702 12,612 47,234 SH   SOLE   47,234 0 0
CARMAX STOCK 143130102 5,561 84,238 SH   SOLE   84,238 0 0
CHARTER COMMUNICATIONS STOCK 16119P108 9,225 30,409 SH   SOLE   30,409 0 0
CIGNA STOCK 125523100 15,060 54,277 SH   SOLE   54,277 0 0
DANAHER STOCK 235851102 6,835 26,461 SH   SOLE   26,461 0 0
LABCORP STOCK 50540R409 7,133 34,829 SH   SOLE   34,829 0 0
LIBERTY BROADBAND A STOCK 530307107 179 2,405 SH   SOLE   2,405 0 0
LIBERTY BROADBAND C STOCK 530307305 565 7,662 SH   SOLE   7,662 0 0
LIBERTY SIRIUS A STOCK 531229409 285 7,488 SH   SOLE   7,488 0 0
LIBERTY SIRIUS C STOCK 531229607 8,761 232,314 SH   SOLE   232,314 0 0
MARKEL STOCK 570535104 11,635 10,731 SH   SOLE   10,731 0 0
PARKER HANNIFIN STOCK 701094104 8,013 33,070 SH   SOLE   33,070 0 0
VONTIER STOCK 928881101 6,765 404,863 SH   SOLE   404,863 0 0