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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102   3,437 47,500 SH   SOLE   47,500 0 0
ALPHABET INC CAP STK CL A 02079K305   2,415 16,000 SH   SOLE   16,000 0 0
AMERICAN EXPRESS CO COM 025816109   47,815 210,000 SH   SOLE   210,000 0 0
BANK AMERICA CORP COM 060505104   29,117 767,845 SH   SOLE   767,845 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108   19,033 30 SH   SOLE   30 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702   59,125 140,600 SH   SOLE   140,600 0 0
DAILY JOURNAL CORP COM 233912104   4,159 11,500 SH   SOLE   11,500 0 0
FERRARI N V COM N3167Y103   26,155 60,000 SH   SOLE   80,000 0 0
MASTERCARD INCORPORATED CL A 57636Q104   31,663 65,750 SH   SOLE   65,750 0 0
MICRON TECHNOLOGY INC COM 595112103   23,578 200,000 SH   SOLE   200,000 0 0
MOODYS CORP COM 615369105   10,612 27,000 SH   SOLE   27,000 0 0
SERITAGE GROWTH PPTYS CL A 81752R100   4,825 500,000 SH   SOLE   500,000 0 0