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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 11,494 14,892 SH   SOLE   14,892 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW COM 084670702 16,022 98,309 SH   SOLE   98,309 0 0
COSTCO WHOLESALE CORP COM 22160K105 19,667 122,832 SH   SOLE   122,832 0 0
FASTENAL CO COM 311900104 13,458 286,456 SH   SOLE   286,456 0 0
ITAU UNIBANCO HLDG SA NS SPONSORED ADR REP ADR 465562106 13,754 1,337,927 SH   SOLE   1,337,927 0 0
MARKEL CORP COM 570535104 12,459 13,775 SH   SOLE   13,775 0 0
MARTIN MARIETTA MATLS INC COM 573284106 19,101 86,224 SH   SOLE   86,224 0 0
TWENTY-FIRST CENTY FOX INC CL A COM 90130A101 4,143 147,759 SH   SOLE   147,759 0 0
TWENTY-FIRST CENTY FOX INC CL B COM 90130A200 976 35,807 SH   SOLE   35,807 0 0