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
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 9,471,021 34,689,845 SH   SOLE   34,689,845 0 0
CANADIAN NATL RY CO COM 136375102 1,156,038 10,278,630 SH   SOLE   10,278,630 0 0
CARVANA CO CL A 146869102 11,742 520,000 SH   SOLE   520,000 0 0
CATERPILLAR INC COM 149123101 1,314,532 7,353,614 SH   SOLE   7,353,614 0 0
COCA-COLA FEMSA SAB DE CV SPONSORD ADR REP 191241108 343,550 6,214,719 SH   SOLE   6,214,719 0 0
COUPANG INC CL A 22266T109 72,857 5,714,285 SH   SOLE   5,714,285 0 0
CROWN CASTLE INTL CORP NEW COM 22822V101 239,112 1,420,072 SH   SOLE   1,420,072 0 0
DEERE & CO COM 244199105 269,420 899,655 SH   SOLE   899,655 0 0
ECOLAB INC COM 278865100 671,382 4,366,427 SH   SOLE   4,366,427 0 0
FEDEX CORP COM 31428X106 121,145 534,362 SH   SOLE   534,362 0 0
MADISON SQUARE GRDN SPRT COR CL A 55825T103 89,453 592,406 SH   SOLE   592,406 0 0
MICROSOFT CORP COM 594918104 242,607 944,620 SH   SOLE   944,620 0 0
ON HLDG AG NAMEN AKT A H5919C104 8,845 500,000 SH   SOLE   500,000 0 0
SANDERSON FARMS INC COM 800013104 112,989 524,236 SH   SOLE   524,236 0 0
SCHRODINGER INC COM 80810D103 184,386 6,981,664 SH   SOLE   6,981,664 0 0
UNITED PARCEL SERVICE INC CL B 911312106 135,205 740,689 SH   SOLE   740,689 0 0
VROOM INC COM 92918V109 3,125 2,500,000 SH   SOLE   2,500,000 0 0
WALMART INC COM 931142103 367,276 3,020,859 SH   SOLE   3,020,859 0 0
WASTE MGMT INC DEL COM 94106L109 2,850,579 18,633,672 SH   SOLE   18,633,672 0 0
WEBER INC CL A 94770D102 18,025 2,500,000 SH   SOLE   2,500,000 0 0