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

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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
AFFIRM HLDGS INC COM CL A 00827B106 4,197 35,229 SH   SOLE   35,229 0 0
ALPHABET INC CAP STK CL A 02079K305 57,625 21,554 SH   SOLE   21,554 0 0
ALPHABET INC CAP STK CL C 02079K107 57,280 21,491 SH   SOLE   21,491 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 10,559,142 38,686,679 SH   SOLE   38,686,679 0 0
CANADIAN NATL RY CO COM 136375102 1,511,631 13,066,169 SH   SOLE   13,066,169 0 0
CATERPILLAR INC COM 149123101 1,859,255 9,685,132 SH   SOLE   9,685,132 0 0
COCA-COLA FEMSA SAB DE CV SPONSORD ADR REP 191241108 349,702 6,214,719 SH   SOLE   6,214,719 0 0
COUPANG INC CL A 22266T109 159,143 5,714,285 SH   SOLE   5,714,285 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 791,040 4,564,046 SH   SOLE   4,564,046 0 0
DEERE & CO COM 244199105 346,328 1,033,598 SH   SOLE   1,033,598 0 0
ECOLAB INC COM 278865100 910,924 4,366,427 SH   SOLE   4,366,427 0 0
FEDEX CORP COM 31428X106 327,556 1,493,712 SH   SOLE   1,493,712 0 0
GRUPO TELEVISA S A B SPON ADR REP ORD 40049J206 179,006 16,302,889 SH   SOLE   16,302,889 0 0
KANSAS CITY SOUTHERN COM NEW 485170302 592,702 2,190,000 SH   SOLE   2,190,000 0 0
MADISON SQUARE GRDN SPRT COR CL A 55825T103 51,721 278,147 SH   SOLE   278,147 0 0
MICROSOFT CORP COM 594918104 828,197 2,937,703 SH   SOLE   2,937,703 0 0
ON HLDG AG NAMEN AKT A H5919C104 15,065 500,000 SH   SOLE   500,000 0 0
SCHRODINGER INC COM 80810D103 381,757 6,981,664 SH   SOLE   6,981,664 0 0
UNITED PARCEL SERVICE INC CL B 911312106 415,919 2,284,015 SH   SOLE   2,284,015 0 0
WALMART INC COM 931142103 964,752 6,921,739 SH   SOLE   6,921,739 0 0
WASTE MGMT INC DEL COM 94106L109 2,783,125 18,633,672 SH   SOLE   18,633,672 0 0
WEBER INC CL A 94770D102 43,975 2,500,000 SH   SOLE   2,500,000 0 0