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 174,722 4,845,319 SH   SOLE   4,845,319 0 0
AMETEK INC NEW COM 031100100 187,734 3,471,417 SH   SOLE   3,471,417 0 0
APPLE INC COM 037833100 177,625 1,236,424 SH   SOLE   1,236,424 0 0
AXALTA COATING SYS LTD COM G0750C108 196,765 6,110,726 SH   SOLE   6,110,726 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 248,116 1,488,575 SH   SOLE   1,488,575 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 284,143 7,797,839 SH   SOLE   7,797,839 0 0
CABLE ONE INC COM 12685J105 136,788 219,047 SH   SOLE   219,047 0 0
HEXCEL CORP NEW COM 428291108 107,048 1,962,389 SH   SOLE   1,962,389 0 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 297,065 8,477,888 SH   SOLE   8,477,888 0 0
SBA COMMUNICATIONS CORP NEW CL A 78410G104 139,593 1,159,699 SH   SOLE   1,159,699 0 0
SCHWAB CHARLES CORP NEW COM 808513105 256,950 6,296,263 SH   SOLE   6,296,263 0 0
SENSATA TECHNOLOGIES HLDG NV SHS N7902X106 135,615 3,105,449 SH   SOLE   3,105,449 0 0
TYLER TECHNOLOGIES INC COM 902252105 135,958 879,647 SH   SOLE   879,647 0 0
WABCO HLDGS INC COM 92927k102 140,579 1,197,230 SH   SOLE   1,197,230 0 0