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RWWM, INC.

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13F filer, CIK 1507683, ROCKLIN, CA

RWWM, INC. reported $1,211,029,460 across 22 holdings for the quarter ended 2025-06-30, in a 13F-HR filed 2025-08-04. Its ten largest share positions make up 93.37% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001085146-25-004481

Period
2025-06-30
Reported value
$1.21B
Holdings
22
Top 10 weight
93.37%
New
4
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
CRIadded+1,885,309$56.8M
WGOnew+289,644$8.4M
HELEnew+192,861$5.47M
DJCOadded+9,483$4M
AMCXadded+617,105$3.87M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
XOMreduced-369,833-$39.9M
FOXFreduced-317,483-$8.24M
BABAreduced-34,006-$3.86M
WFCreduced-28,666-$2.3M
BRK-Breduced-3,764-$1.83M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2025

Share positions as resolved from 13F-HR 0001085146-25-004481, largest first. % of portfolio is the value over $1,211,029,460, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BABAALIBABA GROUP HLDG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,851,198 shares; 2024Q4: 2,826,939 shares; 2025Q1: 2,591,858 shares; 2025Q2: 2,557,852 shares 2,557,852$290M23.95%-34,006Timeline
WFCWELLS FARGO & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,190,519 shares; 2024Q4: 1,897,727 shares; 2025Q1: 1,835,793 shares; 2025Q2: 1,807,127 shares 1,807,127$145M11.96%-28,666Timeline
DJCODAILY JOURNAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 318,221 shares; 2024Q4: 316,714 shares; 2025Q1: 325,419 shares; 2025Q2: 334,902 shares 334,902$141M11.68%+9,483Timeline
CRICARTERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 552,996 shares; 2024Q4: 892,875 shares; 2025Q1: 2,190,482 shares; 2025Q2: 4,075,791 shares 4,075,791$123M10.14%+1,885,309Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 252,235 shares; 2024Q4: 251,973 shares; 2025Q1: 247,747 shares; 2025Q2: 243,983 shares 243,983$119M9.79%-3,764Timeline
PIIPOLARIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 186,376 shares; 2024Q4: 889,698 shares; 2025Q1: 2,395,049 shares; 2025Q2: 2,401,477 shares 2,401,477$97.6M8.06%+6,428Timeline
FOXFFOX FACTORY HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 729,071 shares; 2024Q4: 1,997,531 shares; 2025Q1: 3,576,560 shares; 2025Q2: 3,259,077 shares 3,259,077$84.5M6.98%-317,483Timeline
XOMEXXON MOBIL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 996,319 shares; 2024Q4: 972,730 shares; 2025Q1: 844,424 shares; 2025Q2: 474,591 shares 474,591$51.1M4.22%-369,833Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 95,198 shares; 2024Q4: 94,292 shares; 2025Q1: 93,995 shares; 2025Q2: 93,147 shares 93,147$46.3M3.83%-848Timeline
KHCKRAFT HEINZ COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,402,771 shares; 2024Q4: 1,881,362 shares; 2025Q1: 1,329,471 shares; 2025Q2: 1,296,591 shares 1,296,591$33.5M2.76%-32,880Timeline
WHRWHIRLPOOL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 294,359 shares; 2024Q4: 294,108 shares; 2025Q1: 310,796 shares; 2025Q2: 329,867 shares 329,867$33.4M2.76%+19,071Timeline
AMCXAMC GLOBAL MEDIA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,290,332 shares; 2024Q4: 1,556,654 shares; 2025Q1: 2,712,921 shares; 2025Q2: 3,330,026 shares 3,330,026$20.9M1.72%+617,105Timeline
WGOWINNEBAGO INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 289,644 shares 289,644$8.4M0.69%newTimeline
HELEHELEN OF TROY LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 192,861 shares 192,861$5.47M0.45%newTimeline
WNCWABASH NATL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 376,641 shares; 2024Q4: 375,873 shares; 2025Q1: 364,491 shares; 2025Q2: 314,287 shares 314,287$3.34M0.28%-50,204Timeline
IBMINTERNATIONAL BUSINESS MACHSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,983 shares; 2024Q4: 12,410 shares; 2025Q1: 10,555 shares; 2025Q2: 10,321 shares 10,321$3.04M0.25%-234Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,622 shares; 2024Q4: 12,102 shares; 2025Q1: 10,352 shares; 2025Q2: 7,983 shares 7,983$1.64M0.14%-2,369Timeline
RSGREPUBLIC SVCS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,815 shares; 2024Q4: 7,009 shares; 2025Q1: 6,333 shares; 2025Q2: 6,169 shares 6,169$1.52M0.13%-164Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,530 shares; 2024Q4: 6,317 shares; 2025Q1: 6,699 shares; 2025Q2: 6,724 shares 6,724$1.06M0.09%+25Timeline
FAFFIRST AMERN FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 15,417 shares; 2024Q4: 15,417 shares; 2025Q1: 15,417 shares; 2025Q2: 15,417 shares 15,417$946K0.08%0Timeline
PGRPROGRESSIVE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,191 shares 1,191$318K0.03%newTimeline
ORCLORACLE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,407 shares; 2024Q4: 1,407 shares; 2025Q1: not reported; 2025Q2: 1,320 shares 1,320$289K0.02%newTimeline

Sold out in Q2 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
MCDMCDONALDS CORP648$202Kshares

How Q2 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001085146-25-004481 base2025-08-04acceptance time not in the bulk data set