0001085146-21-001631.txt : 20210514 0001085146-21-001631.hdr.sgml : 20210514 20210513175000 ACCESSION NUMBER: 0001085146-21-001631 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210514 DATE AS OF CHANGE: 20210513 EFFECTIVENESS DATE: 20210514 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: 21921079 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 03-31-2021 03-31-2021 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 05-13-2021 0 13 649550 false INFORMATION TABLE 2 infotable.xml INFORMATION TABLE APPLE INC COM 037833100 502 4108 SH SOLE 0 0 4108 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 84265 329844 SH SOLE 9902 2177 317765 DAILY JOURNAL CORP COM 233912104 77869 246070 SH SOLE 31672 3649 210749 EXXON MOBIL CORP COM 30231G102 149195 2672303 SH SOLE 716412 16979 1938912 FIRST AMERN FINL CORP COM 31847R102 873 15417 SH SOLE 0 0 15417 INTERNATIONAL BUSINESS MACHS COM 459200101 92995 697845 SH SOLE 85299 226 612320 KRAFT HEINZ CO COM 500754106 103827 2595678 SH SOLE 266803 12272 2316603 MCDONALDS CORP COM 580135101 217 966 SH SOLE 0 0 966 MICROSOFT CORP COM 594918104 28825 122257 SH SOLE 53529 0 68728 REPUBLIC SVCS INC COM 760759100 1162 11701 SH SOLE 134 0 11567 US FOODS HLDG CORP COM 912008109 218 5708 SH SOLE 0 0 5708 WABASH NATL CORP COM 929566107 10537 560465 SH SOLE 70204 0 490261 WELLS FARGO CO NEW COM 949746101 99065 2535586 SH SOLE 303815 0 2231771