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   4,028 47,500 SH   SOLE   47,500 0 0
ALPHABET INC CAP STK CL A 02079K305   3,029 16,000 SH   SOLE   16,000 0 0
AMERICAN EXPRESS CO COM 025816109   62,326 210,000 SH   SOLE   210,000 0 0
BANK AMERICA CORP COM 060505104   33,747 767,845 SH   SOLE   767,845 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108   20,428 30 SH   SOLE   30 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702   63,731 140,600 SH   SOLE   140,600 0 0
DAILY JOURNAL CORP COM 233912104   6,532 11,500 SH   SOLE   11,500 0 0
FERRARI N V COM N3167Y103   24,744 60,000 SH   SOLE   80,000 0 0
MASTERCARD INCORPORATED CL A 57636Q104   34,622 65,750 SH   SOLE   65,750 0 0
MICRON TECHNOLOGY INC COM 595112103   16,832 200,000 SH   SOLE   200,000 0 0
MOODYS CORP COM 615369105   12,781 27,000 SH   SOLE   27,000 0 0
ARCH RESOURCES INC CL A 03940R107   1,144 8,100 SH   SOLE   8,100 0 0
ALPHA METALLURGICAL RESOUR I COM 020764106   1,601 8,000 SH   SOLE   8,000 0 0
SERITAGE GROWTH PPTYS CL A 81752R100   2,060 500,000 SH   SOLE   500,000 0 0