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
ADT INC COM 00090Q103 30,245 4,729,000 SH   SOLE   4,729,000 0 0
ALTICE USA INC CL A 02156K103 14,727 685,000 SH   SOLE   685,000 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 57,693 286,930 SH   SOLE   286,930 0 0
HOWARD HUGHES CORP COM 44267D107 33,361 303,013 SH   SOLE   303,013 0 0
IMAX CORP COM 45245E109 45,976 2,025,361 SH   SOLE   2,025,361 0 0
LIBERTY BROADBAND CORP COM SER C 530307305 64,275 700,000 SH   SOLE   700,000 0 0
LIBERTY MEDIA CORP DELAWARE COM C SIRIUSXM 531229607 47,923 1,252,105 SH   SOLE   1,252,105 0 0