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
ALLISON TRANSMISSION HLDGS I COM 01973R101 129,536 4,588,604 SH   SOLE   4,588,604 0 0
AMETEK INC NEW COM 031100100 344,723 7,456,694 SH   SOLE   7,456,694 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 4,556 21 SH   SOLE   21 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 352,174 2,432,311 SH   SOLE   2,432,311 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 395,284 11,961,690 SH   SOLE   11,961,690 0 0
BROOKFIELD BUSINESS PARTNERS UNIT LTD LP G16234109 4,632 243,059 SH   SOLE   243,059 0 0
CROWN HOLDINGS INC COM 228368106 74,230 1,464,961 SH   SOLE   1,464,961 0 0
LIBERTY GLOBAL PLC LILAC SHS CL C G5480U153 6,892 212,129 SH   SOLE   212,129 0 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 242,967 8,473,721 SH   SOLE   8,473,721 0 0
SCHWAB CHARLES CORP NEW COM 808513105 292,606 11,560,900 SH   SOLE   11,560,900 0 0
US BANCORP DEL COM NEW 902973304 62,431 1,548,005 SH   SOLE   1,548,005 0 0
VALEANT PHARMACEUTICALS INTL COM 91911K102 48,868 2,427,903 SH   SOLE   2,427,903 0 0
WABCO HLDGS INC COM 92927k102 128,135 1,399,310 SH   SOLE   1,399,310 0 0
WELLS FARGO & CO NEW COM 949746101 275,483 5,820,464 SH   SOLE   5,820,464 0 0