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
ALPHABET INC CAP STKCL C COM 02079K107 14,545 15,165 SH   SOLE   15,165 0 0
ALPHABET INC CL A COM 02079K305 97 100 SH   SOLE   100 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW COM 084670702 15,564 84,903 SH   SOLE   84,903 0 0
COSTCO WHOLESALE CORP COM 22160K105 22,548 137,245 SH   SOLE   137,245 0 0
FASTENAL CO COM 311900104 12,124 265,997 SH   SOLE   265,997 0 0
ITAU UNIBANCO HLDG SA NS SPONSORED ADR REP ADR 465562106 20,684 1,509,799 SH   SOLE   1,509,799 0 0
MARKEL CORP COM 570535104 14,892 13,944 SH   SOLE   13,944 0 0
MARTIN MARIETTA MATLS INC COM 573284106 8,918 43,244 SH   SOLE   43,244 0 0
TWENTY-FIRST CENTY FOX INC CL A COM 90130A101 537 20,367 SH   SOLE   20,367 0 0
TWENTY-FIRST CENTY FOX INC CL B COM 90130A200 62 2,393 SH   SOLE   2,393 0 0