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
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 125,001 435,930 SH   SOLE   435,930 0 0
IMAX CORP COM 45245E109 48,161 1,359,361 SH   SOLE   1,359,361 0 0
ITURAN LOCATION AND CONTROL SHS M6158M104 28,605 507,269 SH   SOLE   507,269 0 0
LIBERTY MEDIA CORP DELAWARE COM A SIRIUSXM 531229409 2,445 37,300 SH   SOLE   37,300 0 0
LIBERTY MEDIA CORP DELAWARE COM C SIRIUSXM 531229607 81,088 1,238,131 SH   SOLE   1,238,131 0 0
LIONS GATE ENTMNT CORP CL A VTG 535919401 85,271 1,629,750 SH   SOLE   1,629,750 0 0
LIONS GATE ENTMNT CORP CL B NON VTG 535919500 104,592 2,103,381 SH   SOLE   2,103,381 0 0
MITEL NETWORKS CORP COM 60671Q104 3,149 240,000 SH   SOLE   240,000 0 0
ON TRACK INNOVATION LTD SHS M8791A109 2,883 1,345,574 SH   SOLE   1,345,574 0 0
SIRIUS XM HLDGS INC COM 82968B103 31,368 3,632,868 SH   SOLE   3,632,868 0 0
T MOBILE US INC COM 872590104 49,189 510,000 SH   SOLE   510,000 0 0