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 23,206 19,778 SH   SOLE   19,778 0 0
ALPHABET INC CL A COM 02079K305 394 335 SH   SOLE   335 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW COM 084670702 18,196 90,575 SH   SOLE   90,575 0 0
COSTCO WHOLESALE CORP COM 22160K105 29,188 120,541 SH   SOLE   120,541 0 0
FASTENAL CO COM 311900104 14,654 227,858 SH   SOLE   227,858 0 0
ITAU UNIBANCO HLDG SA NS SPONSORED ADR REP ADR 465562106 20,294 2,303,498 SH   SOLE   2,303,498 0 0
MARKEL CORP COM 570535104 18,035 18,103 SH   SOLE   18,103 0 0
MARTIN MARIETTA MATLS INC COM 573284106 16,535 82,190 SH   SOLE   82,190 0 0