0001085146-21-000438.txt : 20210204 0001085146-21-000438.hdr.sgml : 20210204 20210204125743 ACCESSION NUMBER: 0001085146-21-000438 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210204 DATE AS OF CHANGE: 20210204 EFFECTIVENESS DATE: 20210204 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: 21590142 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 13F-HR LIVE false false false 0001507683 XXXXXXXX 12-31-2020 12-31-2020 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 02-02-2021 0 13 622798 false INFORMATION TABLE 2 infotable.xml INFORMATION TABLE APPLE INC COM 037833100 696 5248 SH SOLE 0 0 5248 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 103481 446289 SH SOLE 10482 3160 432647 DAILY JOURNAL CORP COM 233912104 100795 249493 SH SOLE 30208 5196 214089 EXXON MOBIL CORP COM 30231G102 137451 3334586 SH SOLE 722044 16979 2595563 FIRST AMERN FINL CORP COM 31847R102 796 15417 SH SOLE 0 0 15417 INTERNATIONAL BUSINESS MACHS COM 459200101 81171 644827 SH SOLE 85140 226 559461 KRAFT HEINZ CO COM 500754106 75661 2182948 SH SOLE 8822 0 2174126 MCDONALDS CORP COM 580135101 207 966 SH SOLE 0 0 966 MICROSOFT CORP COM 594918104 28392 127649 SH SOLE 53529 0 74120 REPUBLIC SVCS INC COM 760759100 1127 11708 SH SOLE 134 0 11574 US FOODS HLDG CORP COM 912008109 200 6006 SH SOLE 0 0 6006 WABASH NATL CORP COM 929566107 9895 574275 SH SOLE 70204 0 504071 WELLS FARGO CO NEW COM 949746101 82926 2747691 SH SOLE 304769 0 2442922