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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 60,820 303,930 SH   SOLE   303,930 0 0
FIRST DATA CORP NEW COM CL A 32008D106 42,181 2,628,000 SH   SOLE   2,628,000 0 0
IMAX CORP COM 45245E109 49,198 2,554,361 SH   SOLE   2,554,361 0 0
ITURAN LOCATION AND CONTROL SHS M6158M104 9,147 293,177 SH   SOLE   293,177 0 0
LIBERTY MEDIA CORP DELAWARE COM A SIRIUSXM 531229409 1,373 33,300 SH   SOLE   33,300 0 0
LIBERTY MEDIA CORP DELAWARE COM C SIRIUSXM 531229607 54,918 1,340,131 SH   SOLE   1,340,131 0 0
LIONS GATE ENTMNT CORP CL A VTG 535919401 42,230 1,629,750 SH   SOLE   1,629,750 0 0
LIONS GATE ENTMNT CORP CL B NON VTG 535919500 50,810 2,103,381 SH   SOLE   2,103,381 0 0
MITEL NETWORKS CORP COM 60671Q104 2,234 240,000 SH   SOLE   240,000 0 0
ON TRACK INNOVATION LTD SHS M8791A109 514 520,327 SH   SOLE   520,327 0 0
T MOBILE US INC COM 872590104 44,639 729,000 SH   SOLE   729,000 0 0