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 11,345 13,618 SH   SOLE   13,618 0 0
ALTICE STOCK 02156K103 5,246 567,166 SH   SOLE   567,166 0 0
ALTRIA STOCK 02209S103 7,613 182,269 SH   SOLE   182,269 0 0
AMERICAN EXPRESS STOCK 025816109 8,998 64,914 SH   SOLE   64,914 0 0
APPLE STOCK 037833100 14,190 103,787 SH   SOLE   103,787 0 0
BERKSHIRE HATHAWAY B STOCK 084670702 12,719 46,586 SH   SOLE   46,586 0 0
CARMAX STOCK 143130102 6,422 70,974 SH   SOLE   70,974 0 0
CHARTER COMMUNICATIONS STOCK 16119P108 13,436 28,677 SH   SOLE   28,677 0 0
CIGNA STOCK 125523100 14,349 54,450 SH   SOLE   54,450 0 0
DANAHER STOCK 235851102 6,709 26,462 SH   SOLE   26,462 0 0
LABCORP STOCK 50540R409 7,579 32,340 SH   SOLE   32,340 0 0
LIBERTY BROADBAND A STOCK 530307107 273 2,405 SH   SOLE   2,405 0 0
LIBERTY BROADBAND C STOCK 530307305 886 7,662 SH   SOLE   7,662 0 0
LIBERTY SIRIUS A STOCK 531229409 276 7,663 SH   SOLE   7,663 0 0
LIBERTY SIRIUS C STOCK 531229607 8,376 232,356 SH   SOLE   232,356 0 0
MARKEL STOCK 570535104 13,831 10,695 SH   SOLE   10,695 0 0
PARKER HANNIFIN STOCK 701094104 8,175 33,226 SH   SOLE   33,226 0 0
VONTIER STOCK 928881101 7,840 341,029 SH   SOLE   341,029 0 0