0001085146-23-002458.txt : 20230515 0001085146-23-002458.hdr.sgml : 20230515 20230515172924 ACCESSION NUMBER: 0001085146-23-002458 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20230331 FILED AS OF DATE: 20230515 DATE AS OF CHANGE: 20230515 EFFECTIVENESS DATE: 20230515 FILER: COMPANY DATA: COMPANY CONFORMED NAME: RWWM, Inc. CENTRAL INDEX KEY: 0001507683 IRS NUMBER: 263399805 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-15203 FILM NUMBER: 23924590 BUSINESS ADDRESS: STREET 1: 4970 ROCKLIN ROAD, SUITE 200 CITY: ROCKLIN STATE: CA ZIP: 95677 BUSINESS PHONE: 916-652-1525 MAIL ADDRESS: STREET 1: 4970 ROCKLIN ROAD, SUITE 200 CITY: ROCKLIN STATE: CA ZIP: 95677 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false false false 0001507683 XXXXXXXX 03-31-2023 03-31-2023 false RWWM, Inc.

4970 ROCKLIN ROAD, SUITE 200 Rocklin CA 95677

13F HOLDINGS REPORT 028-15203 N Aaron J. Wagner 916-652-1525 /s/ Aaron J. Wagner Rocklin CA 05-15-2023 0 14 772327723 false INFORMATION TABLE 2 infotable.xml INFORMATION TABLE ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 BBG006G2JWB1 228242634 2233731 SH SOLE 582409 13795 1637527 APPLE INC COM 037833100 BBG001S5N8V8 1159577 7032 SH SOLE 0 0 7032 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 BBG001S90346 88389427 286263 SH SOLE 9812 1472 274979 DAILY JOURNAL CORP COM 233912104 BBG001S5QHM5 85935957 301572 SH SOLE 35957 7802 257813 EXXON MOBIL CORP COM 30231G102 BBG001S69V32 127339166 1161218 SH SOLE 175835 0 985383 FIRST AMERN FINL CORP COM 31847R102 BBG001T1LV65 858110 15417 SH SOLE 0 0 15417 INTERNATIONAL BUSINESS MACHS COM 459200101 BBG001S5S399 3197547 24392 SH SOLE 8797 0 15595 KRAFT HEINZ CO COM 500754106 BBG005CPNTR1 73004706 1887890 SH SOLE 40470 0 1847420 MCDONALDS CORP COM 580135101 BBG001S5T110 293311 1049 SH SOLE 0 0 1049 MICROSOFT CORP COM 594918104 BBG001S5TD05 29107056 100961 SH SOLE 49677 0 51284 POSCO HOLDINGS INC SPONSORED ADR 693483109 BBG001S65ZZ2 37022673 531248 SH SOLE 1818 1468 527962 REPUBLIC SVCS INC COM 760759100 BBG001S9DL33 1545565 11430 SH SOLE 134 0 11296 WABASH NATL CORP COM 929566107 BBG001S6W2K1 11031984 448637 SH SOLE 6520 0 442117 WELLS FARGO CO NEW COM 949746101 BBG001S5XF23 85200010 2279294 SH SOLE 302496 0 1976798