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
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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 20,386 18,273 SH   SOLE   18,273 0 0
ALPHABET INC CL A COM 02079K305 113 100 SH   SOLE   100 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW COM 084670702 12,928 69,261 SH   SOLE   69,261 0 0
COSTCO WHOLESALE CORP COM 22160K105 25,216 120,660 SH   SOLE   120,660 0 0
FASTENAL CO COM 311900104 11,141 231,482 SH   SOLE   231,482 0 0
ITAU UNIBANCO HLDG SA NS SPONSORED ADR REP ADR 465562106 15,289 1,472,971 SH   SOLE   1,472,971 0 0
MARKEL CORP COM 570535104 16,160 14,903 SH   SOLE   14,903 0 0
MARTIN MARIETTA MATLS INC COM 573284106 9,969 44,638 SH   SOLE   44,638 0 0