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 73,833 435,930 SH   SOLE   435,930 0 0
ITURAN LOCATION AND CONTROL SHS M6158M104 15,878 507,269 SH   SOLE   507,269 0 0
LIBERTY MEDIA CORP DELAWARE COM A SIRIUSXM 531229409 2,783 66,300 SH   SOLE   66,300 0 0
LIBERTY MEDIA CORP DELAWARE COM C SIRIUSXM 531229607 47,938 1,149,600 SH   SOLE   1,149,600 0 0
LIONS GATE ENTMNT CORP CL A VTG 535919401 45,992 1,629,750 SH   SOLE   1,629,750 0 0
LIONS GATE ENTMNT CORP CL B NON VTG 535919500 55,277 2,103,381 SH   SOLE   2,103,381 0 0
ON TRACK INNOVATION LTD SHS M8791A109 1,715 1,309,402 SH   SOLE   1,309,402 0 0
SHORETEL INC COM 825211105 1,740 300,000 SH   SOLE   300,000 0 0
SIRIUS XM HLDGS INC COM 82968B103 39,602 7,239,800 SH   SOLE   7,239,800 0 0
T MOBILE US INC COM 872590104 39,524 652,000 SH   SOLE   652,000 0 0