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RWWM, INC.

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13F filer, CIK 1507683, ROCKLIN, CA

RWWM, INC. reported $1,455,424,396 across 34 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-13. Its ten largest share positions make up 89.77% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001507683-26-000004

Period
2025-12-31
Reported value
$1.46B
Holdings
34
Top 10 weight
89.77%
New
4
Sold out
3

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SGOVnew+765,241$76.8M
FOXFadded+2,716,003$46.5M
WHRadded+275,389$19.9M
KHCadded+778,517$18.9M
DJCOadded+28,915$14.1M

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
CRIreduced-1,383,847-$44.9M
BABAreduced-88,170-$12.9M
PIIreduced-169,001-$10.7M
XOMreduced-21,609-$2.6M
WFCreduced-24,480-$2.28M

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, Q4 2025

Share positions as resolved from 13F-HR 0001507683-26-000004, largest first. % of portfolio is the value over $1,455,424,396, 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; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,851,198 shares; 2024Q4: 2,826,939 shares; 2025Q1: 2,591,858 shares; 2025Q2: 2,557,852 shares; 2025Q3: 2,466,729 shares; 2025Q4: 2,378,559 shares 2,378,559$349M23.96%-88,170Timeline
DJCODAILY JOURNAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 318,221 shares; 2024Q4: 316,714 shares; 2025Q1: 325,419 shares; 2025Q2: 334,902 shares; 2025Q3: 338,941 shares; 2025Q4: 367,856 shares 367,856$179M12.32%+28,915Timeline
WFCWELLS FARGO & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,190,519 shares; 2024Q4: 1,897,727 shares; 2025Q1: 1,835,793 shares; 2025Q2: 1,807,127 shares; 2025Q3: 1,792,358 shares; 2025Q4: 1,767,878 shares 1,767,878$165M11.32%-24,480Timeline
CRICARTERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 552,996 shares; 2024Q4: 892,875 shares; 2025Q1: 2,190,482 shares; 2025Q2: 4,075,791 shares; 2025Q3: 5,900,170 shares; 2025Q4: 4,516,323 shares 4,516,323$146M10.06%-1,383,847Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 252,235 shares; 2024Q4: 251,973 shares; 2025Q1: 247,747 shares; 2025Q2: 243,983 shares; 2025Q3: 244,256 shares; 2025Q4: 241,968 shares 241,968$122M8.36%-2,288Timeline
FOXFFOX FACTORY HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 729,071 shares; 2024Q4: 1,997,531 shares; 2025Q1: 3,576,560 shares; 2025Q2: 3,259,077 shares; 2025Q3: 2,569,434 shares; 2025Q4: 5,285,437 shares 5,285,437$90.4M6.21%+2,716,003Timeline
SGOVISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 765,241 shares 765,241$76.8M5.28%newTimeline
KHCKRAFT HEINZ COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,402,771 shares; 2024Q4: 1,881,362 shares; 2025Q1: 1,329,471 shares; 2025Q2: 1,296,591 shares; 2025Q3: 1,721,883 shares; 2025Q4: 2,500,400 shares 2,500,400$60.6M4.17%+778,517Timeline
WHRWHIRLPOOL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 294,359 shares; 2024Q4: 294,108 shares; 2025Q1: 310,796 shares; 2025Q2: 329,867 shares; 2025Q3: 555,380 shares; 2025Q4: 830,769 shares 830,769$59.9M4.12%+275,389Timeline
PIIPOLARIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 186,376 shares; 2024Q4: 889,698 shares; 2025Q1: 2,395,049 shares; 2025Q2: 2,401,477 shares; 2025Q3: 1,085,621 shares; 2025Q4: 916,620 shares 916,620$58M3.98%-169,001Timeline
XOMEXXON MOBIL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 996,319 shares; 2024Q4: 972,730 shares; 2025Q1: 844,424 shares; 2025Q2: 474,591 shares; 2025Q3: 417,082 shares; 2025Q4: 395,473 shares 395,473$47.6M3.27%-21,609Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 95,198 shares; 2024Q4: 94,292 shares; 2025Q1: 93,995 shares; 2025Q2: 93,147 shares; 2025Q3: 92,841 shares; 2025Q4: 92,400 shares 92,400$44.7M3.07%-441Timeline
AMCXAMC GLOBAL MEDIA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,290,332 shares; 2024Q4: 1,556,654 shares; 2025Q1: 2,712,921 shares; 2025Q2: 3,330,026 shares; 2025Q3: 1,710,961 shares; 2025Q4: 1,526,100 shares 1,526,100$14.5M1%-184,861Timeline
HELEHELEN OF TROY LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 192,861 shares; 2025Q3: 515,176 shares; 2025Q4: 632,140 shares 632,140$13.4M0.92%+116,964Timeline
WGOWINNEBAGO INDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 289,644 shares; 2025Q3: 174,348 shares; 2025Q4: 170,711 shares 170,711$6.92M0.48%-3,637Timeline
COSTCOSTCO WHOLESALE CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 4,302 shares; 2025Q4: 4,302 shares 4,302$3.71M0.25%0Timeline
IBMINTERNATIONAL BUSINESS MACHSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,983 shares; 2024Q4: 12,410 shares; 2025Q1: 10,555 shares; 2025Q2: 10,321 shares; 2025Q3: 10,205 shares; 2025Q4: 9,541 shares 9,541$2.83M0.19%-664Timeline
TBLLINVESCO EXCH TRADED FD TR IIQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 25,860 shares 25,860$2.73M0.19%newTimeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,622 shares; 2024Q4: 12,102 shares; 2025Q1: 10,352 shares; 2025Q2: 7,983 shares; 2025Q3: 8,528 shares; 2025Q4: 8,361 shares 8,361$2.27M0.16%-167Timeline
FAFFIRST AMERN FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 15,417 shares; 2024Q4: 15,417 shares; 2025Q1: 15,417 shares; 2025Q2: 15,417 shares; 2025Q3: 29,057 shares; 2025Q4: 29,057 shares 29,057$1.79M0.12%0Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,530 shares; 2024Q4: 6,317 shares; 2025Q1: 6,699 shares; 2025Q2: 6,724 shares; 2025Q3: 7,866 shares; 2025Q4: 7,822 shares 7,822$1.46M0.1%-44Timeline
RSGREPUBLIC SVCS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,815 shares; 2024Q4: 7,009 shares; 2025Q1: 6,333 shares; 2025Q2: 6,169 shares; 2025Q3: 6,168 shares; 2025Q4: 6,164 shares 6,164$1.31M0.09%-4Timeline
ACNACCENTURE PLC IRELANDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 4,422 shares; 2025Q4: 4,332 shares 4,332$1.16M0.08%-90Timeline
WNCWABASH NATL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 376,641 shares; 2024Q4: 375,873 shares; 2025Q1: 364,491 shares; 2025Q2: 314,287 shares; 2025Q3: 204,481 shares; 2025Q4: 124,446 shares 124,446$1.08M0.07%-80,035Timeline
GILDGILEAD SCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 7,169 shares; 2025Q4: 7,169 shares 7,169$880K0.06%0Timeline
CVXCHEVRON CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,099 shares; 2024Q4: 2,350 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 2,695 shares; 2025Q4: 2,623 shares 2,623$400K0.03%-72Timeline
SBUXSTARBUCKS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 4,000 shares; 2025Q4: 4,049 shares 4,049$341K0.02%+49Timeline
IVVISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 418 shares 418$286K0.02%newTimeline
WMTWALMART INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 2,417 shares; 2025Q4: 2,388 shares 2,388$266K0.02%-29Timeline
ORCLORACLE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,407 shares; 2024Q4: 1,407 shares; 2025Q1: not reported; 2025Q2: 1,320 shares; 2025Q3: 1,320 shares; 2025Q4: 1,320 shares 1,320$257K0.02%0Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 814 shares 814$255K0.02%newTimeline
XPOFXPONENTIAL FITNESS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 30,000 shares; 2025Q4: 30,000 shares 30,000$247K0.02%0Timeline
TJXTJX COS INC NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,452 shares; 2025Q4: 1,456 shares 1,456$224K0.02%+4Timeline
SYKSTRYKER CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 631 shares; 2025Q4: 633 shares 633$222K0.02%+2Timeline

Sold out in Q4 2025

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

SecurityShares beforeValue beforeType
PGRPROGRESSIVE CORP1,191$294Kshares
SNOWSNOWFLAKE INC969$219Kshares
TYLTYLER TECHNOLOGIES INC400$209Kshares

How Q4 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 0001507683-26-000004 base2026-02-13acceptance time not in the bulk data set