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
APPLE INC COM 037833100 696 5,248 SH   SOLE   0 0 5,248
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 103,481 446,289 SH   SOLE   10,482 3,160 432,647
DAILY JOURNAL CORP COM 233912104 100,795 249,493 SH   SOLE   30,208 5,196 214,089
EXXON MOBIL CORP COM 30231G102 137,451 3,334,586 SH   SOLE   722,044 16,979 2,595,563
FIRST AMERN FINL CORP COM 31847R102 796 15,417 SH   SOLE   0 0 15,417
INTERNATIONAL BUSINESS MACHS COM 459200101 81,171 644,827 SH   SOLE   85,140 226 559,461
KRAFT HEINZ CO COM 500754106 75,661 2,182,948 SH   SOLE   8,822 0 2,174,126
MCDONALDS CORP COM 580135101 207 966 SH   SOLE   0 0 966
MICROSOFT CORP COM 594918104 28,392 127,649 SH   SOLE   53,529 0 74,120
REPUBLIC SVCS INC COM 760759100 1,127 11,708 SH   SOLE   134 0 11,574
US FOODS HLDG CORP COM 912008109 200 6,006 SH   SOLE   0 0 6,006
WABASH NATL CORP COM 929566107 9,895 574,275 SH   SOLE   70,204 0 504,071
WELLS FARGO CO NEW COM 949746101 82,926 2,747,691 SH   SOLE   304,769 0 2,442,922