Institutional Manager · CIK 0001507683
RWWM, Inc.
Rocklin, CA · File #028-15203
Latest AUM
$1.46B
Positions
34
Top-10 Concentration
89.8%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | ISHARES TR | 46436E718 | +765,241 | +$76.8M | $0 |
| ADD | FOX FACTORY HLDG CORP | FOXF | +2,716,003 | +$46.5M | -$18.4M |
| REDUCE | CARTERS INC | CRI | -1,383,847 | -$44.9M | +$24.8M |
| ADD | WHIRLPOOL CORP | WHR-PA | +275,389 | +$19.9M | -$3.6M |
| ADD | KRAFT HEINZ CO | KHC | +778,517 | +$18.9M | -$3.1M |
| ADD | DAILY JOURNAL CORP | DJCO | +28,915 | +$14.1M | +$7.5M |
| REDUCE | ALIBABA GROUP HLDG LTD | BBAAY | -88,170 | -$12.9M | -$79.3M |
| REDUCE | POLARIS INC | PII | -169,001 | -$10.7M | +$5.6M |
| NEW | INVESCO EXCH TRADED FD TR II | IVZ | +25,860 | +$2.7M | $0 |
| REDUCE | EXXON MOBIL CORP | XOM | -21,609 | -$2.6M | +$3.2M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202534 pos · $1.46B
- 13F HOLDINGS REPORTQ/E Sep 202533 pos · $1.40B
- 13F HOLDINGS REPORTQ/E Jun 202522 pos · $1.21B
- 13F HOLDINGS REPORTQ/E Mar 202519 pos · $1.24B
- 13F HOLDINGS REPORTQ/E Dec 202421 pos · $1.09B
- 13F HOLDINGS REPORTQ/E Sep 202421 pos · $1.08B
- 13F HOLDINGS REPORTQ/E Jun 202420 pos · $920.9M
- 13F HOLDINGS REPORTQ/E Mar 202418 pos · $926.8M
- 13F HOLDINGS REPORTQ/E Dec 202316 pos · $745.9M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ALIBABA GROUP HLDG LTD | BBAAY | 2,378,559 | $348.6M | 23.96% |
| 2 | DAILY JOURNAL CORP | DJCO | 367,856 | $179.3M | 12.32% |
| 3 | WELLS FARGO CO NEW | 949746101 | 1,767,878 | $164.8M | 11.32% |
| 4 | CARTERS INC | CRI | 4,516,323 | $146.5M | 10.06% |
| 5 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 241,968 | $121.6M | 8.36% |
| 6 | FOX FACTORY HLDG CORP | FOXF | 5,285,437 | $90.4M | 6.21% |
| 7 | ISHARES TR | 46436E718 | 765,241 | $76.8M | 5.28% |
| 8 | KRAFT HEINZ CO | KHC | 2,500,400 | $60.6M | 4.17% |
| 9 | WHIRLPOOL CORP | WHR-PA | 830,769 | $59.9M | 4.12% |
| 10 | POLARIS INC | PII | 916,620 | $58.0M | 3.98% |
| 11 | EXXON MOBIL CORP | XOM | 395,473 | $47.6M | 3.27% |
| 12 | MICROSOFT CORP | MSFT | 92,400 | $44.7M | 3.07% |
| 13 | AMC NETWORKS INC | AMCX | 1,526,100 | $14.5M | 1.00% |
| 14 | HELEN OF TROY LTD | HELE | 632,140 | $13.4M | 0.92% |
| 15 | WINNEBAGO INDS INC | 974637100 | 170,711 | $6.9M | 0.48% |
| 16 | COSTCO WHSL CORP NEW | 22160K105 | 4,302 | $3.7M | 0.25% |
| 17 | INTERNATIONAL BUSINESS MACHS | INTR | 9,541 | $2.8M | 0.19% |
| 18 | INVESCO EXCH TRADED FD TR II | IVZ | 25,860 | $2.7M | 0.19% |
| 19 | APPLE INC | AAPL | 8,361 | $2.3M | 0.16% |
| 20 | FIRST AMERN FINL CORP | 31847R102 | 29,057 | $1.8M | 0.12% |