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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
ALPHABET INC CAP STKCL C COM 02079K107 13,558 14,920 SH   SOLE   14,920 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW COM 084670702 15,802 93,296 SH   SOLE   93,296 0 0
COSTCO WHOLESALE CORP COM 22160K105 20,851 130,377 SH   SOLE   130,377 0 0
FASTENAL CO COM 311900104 12,181 279,830 SH   SOLE   279,830 0 0
ITAU UNIBANCO HLDG SA NS SPONSORED ADR REP ADR 465562106 16,745 1,515,342 SH   SOLE   1,515,342 0 0
MARKEL CORP COM 570535104 13,619 13,956 SH   SOLE   13,956 0 0
MARTIN MARIETTA MATLS INC COM 573284106 8,390 37,694 SH   SOLE   37,694 0 0
TWENTY-FIRST CENTY FOX INC CL A COM 90130A101 577 20,367 SH   SOLE   20,367 0 0
TWENTY-FIRST CENTY FOX INC CL B COM 90130A200 67 2,393 SH   SOLE   2,393 0 0