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 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
BERKSHIRE HATHAWAY INC DELCL B NEW0846707027,927,78229,689,845SH SOLE 29,689,84500
CANADIAN NATL RY COCOM1363751025,920,74554,826,786SH SOLE 54,826,78600
CARVANA COCL A14686910210,556520,000SH SOLE 520,00000
CATERPILLAR INCCOM1491231011,206,5817,353,614SH SOLE 7,353,61400
COCA-COLA FEMSA SAB DE CVSPONSORD ADR REP191241108362,8776,214,719SH SOLE 6,214,71900
COUPANG INCCL A22266T109154,1659,248,045SH SOLE 9,248,04500
CROWN CASTLE INCCOM22822V101205,2711,420,072SH SOLE 1,420,07200
DEERE & COCOM2441991051,308,0793,917,693SH SOLE 3,917,69300
ECOLAB INCCOM278865100702,8094,866,427SH SOLE 4,866,42700
FEDEX CORPCOM31428X106227,8071,534,362SH SOLE 1,534,36200
KRAFT HEINZ COCOM50075410687,4642,622,600SH SOLE 2,622,60000
MADISON SQUARE GRDN SPRT CORCL A55825T10380,958592,406SH SOLE 592,40600
MICROSOFT CORPCOM5949181049,144,74239,264,670SH SOLE 39,264,67000
ON HLDG AGNAMEN AKT AH5919C1048,025500,000SH SOLE 500,00000
SCHRODINGER INCCOM80810D103174,4026,981,664SH SOLE 6,981,66400
UNITED PARCEL SERVICE INCCL B911312106119,651740,689SH SOLE 740,68900
VROOM INCCOM92918V1092,9002,500,000SH SOLE 2,500,00000
WALMART INCCOM931142103391,8053,020,859SH SOLE 3,020,85900
WASTE CONNECTIONS INCCOM94106B101290,4182,149,175SH SOLE 2,149,17500
WASTE MGMT INC DELCOM94106L1095,644,89435,234,344SH SOLE 35,234,34400
WEBER INCCL A94770D10216,4252,500,000SH SOLE 2,500,00000