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
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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 27,512 23,660 SH   SOLE   23,660 0 0
ALPHABET INC CL A COM 02079K305 389 335 SH   SOLE   335 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW COM 084670702 18,385 100,558 SH   SOLE   100,558 0 0
COSTCO WHOLESALE CORP COM 22160K105 33,594 117,820 SH   SOLE   117,820 0 0
FASTENAL CO COM 311900104 16,325 522,396 SH   SOLE   522,396 0 0
ITAU UNIBANCO HLDG SA NS SPONSORED ADR REP ADR 465562106 10,267 2,286,666 SH   SOLE   2,286,666 0 0
MARKEL CORP COM 570535104 19,361 20,866 SH   SOLE   20,866 0 0
MARTIN MARIETTA MATLS INC COM 573284106 17,573 92,864 SH   SOLE   92,864 0 0