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 COM 017175100 5,222 8,528 SH   SOLE NONE 0 0 8,528
Amazon.com COM 023135106 3,817 2,144 SH   SOLE NONE 0 0 2,144
American Express COM 025816109 6,525 59,699 SH   SOLE NONE 0 0 59,699
Apple COM 037833100 8,015 42,196 SH   SOLE NONE 0 0 42,196
BBT COM 054937107 2,761 59,356 SH   SOLE NONE 0 0 59,356
Berkshire Hathaway B CL B NEW 084670702 9,424 46,912 SH   SOLE NONE 0 0 46,912
Carmax COM 143130102 6,655 95,347 SH   SOLE NONE 0 0 95,347
Charter Communications CL A 16119P108 7,655 22,068 SH   SOLE NONE 0 0 22,068
Cigna COM 125523100 3,312 20,599 SH   SOLE NONE 0 0 20,599
Colfax COM 194014106 499 16,825 SH   SOLE NONE 0 0 16,825
Danaher COM 235851102 5,287 40,049 SH   SOLE NONE 0 0 40,049
Fortive COM 34959J108 1,197 14,270 SH   SOLE NONE 0 0 14,270
Laboratry Corp. COM NEW 50540R409 4,644 30,360 SH   SOLE NONE 0 0 30,360
Liberty Broadband A COM SER A 530307107 365 3,993 SH   SOLE NONE 0 0 3,993
Liberty Broadband C COM SER C 530307305 966 10,531 SH   SOLE NONE 0 0 10,531
Liberty Sirius A COM A SIRIUSXM 531229409 482 12,629 SH   SOLE NONE 0 0 12,629
Liberty Sirius C COM C SIRIUSXM 531229607 6,730 175,996 SH   SOLE NONE 0 0 175,996
Markel COM 570535104 7,925 7,955 SH   SOLE NONE 0 0 7,955
Parker Hannifin COM 701094104 4,790 27,915 SH   SOLE NONE 0 0 27,915
Post Holdings COM 737446104 5,314 48,577 SH   SOLE NONE 0 0 48,577
Wells Fargo COM 949746101 6,442 133,326 SH   SOLE NONE 0 0 133,326