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
Expires:Oct 31, 2018
Estimated average burden
hours per response:23.8

COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
ARCOS DORADOS HOLDINGS INCSHS CLASS -A -G0457F10722,8013,060,500SH SOLE 3,060,50000
AUTONATION INCCOM05329W10280,0501,898,717SH SOLE 1,898,71700
BERKSHIRE HATHAWAY INC DELCL B NEW08467070210,052,10559,349,971SH SOLE 59,349,97100
CANADIAN NATL RY COCOM1363751021,388,13317,126,874SH SOLE 17,126,87400
CATERPILLAR INC DELCOM1491231011,210,09211,260,857SH SOLE 11,260,85700
COCA COLA FEMSA S A B DE C VSPON ADR REP L191241108526,2006,214,719SH SOLE 6,214,71900
CROWN CASTLE INTL CORP NEWCOM22822V101534,2505,332,900SH SOLE 5,332,90000
ECOLAB INCCOM278865100579,6434,366,426SH SOLE 4,366,42600
FEDEX CORPCOM31428X106657,4233,024,999SH SOLE 3,024,99900
GRUPO TELEVISA SASPON ADR REP ORD40049J206411,34416,879,104SH SOLE 16,879,10400
LIBERTY GLOBAL PLCSHS CL CG5480U120113,4753,639,349SH SOLE 3,639,34900
LIBERTY GLOBAL PLCSHS CL AG5480U10468,0792,119,515SH SOLE 2,119,51500
LIBERTY GLOBAL PLCLILAC SHS CL AG5480U1388,064370,424SH SOLE 370,42400
LIBERTY GLOBAL PLCLILAC SHS CL CG5480U15313,618636,044SH SOLE 636,04400
MICROSOFT CORPCOM5949181044,411,52064,000,000SH SOLE 64,000,00000
UNITED PARCEL SERVICE INCCL B911312106500,4564,525,329SH SOLE 4,525,32900
WAL-MART STORES INCCOM931142103878,11511,603,000SH SOLE 11,603,00000
WALGREENS BOOTS ALLIANCE INCCOM931427108272,1583,475,398SH SOLE 3,475,39800
WASTE MGMT INC DELCOM94106L1091,366,78018,633,672SH SOLE 18,633,67200