RWWM, Inc.
Long book
$1.37B
Q1 2026
Positions
34
Top-10 weight
88%
concentration
Last quarter
-0.0%
SPY +14.8%
Turnover
16%
of book per quarter
Strategy in plain words
auto-generated from filingsRWWM, Inc. is a concentrated fundamental stock-picker, running a $1.37B US long book across 34 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is modest: positions are typically held for years. Current anchor positions: ALIBABA GROUP HOLDING-SP ADR, DAILY JOURNAL CORP, WELLS FARGO & CO, WHIRLPOOL CORP, BERKSHIRE HATHAWAY INC-CL B.
Over the last 9 quarters its long book ran on average 1.8pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-0.1%
Q2 2024
+16.5%
Q3 2024
-3.7%
Q4 2024
+5.4%
Q1 2025
-3.5%
Q2 2025
+19.0%
Q3 2025
-3.1%
Q4 2025
-6.4%
Q1 2026
-0.0%
Sector allocation
Industrials 29%
Other 26%
Financials 25%
Consumer staples 7%
Energy 5%
Technology 5%
Services media 1%
Communications 1%
Long book by quarter
What does RWWM, Inc. own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| DJCO DAILY JOURNAL CORP | Other | 360.6K | $173.9M | 12.7% | -2.0% |
| WFC WELLS FARGO & CO | Financials | 1.7M | $137.0M | 10.0% | -2.6% |
| WHR WHIRLPOOL CORP | Industrials | 2.4M | $130.6M | 9.5% | +191.6% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 243.6K | $116.7M | 8.5% | +0.7% |
| FOXF FOX FACTORY HOLDING CORP | Industrials | 5.5M | $91.1M | 6.6% | +4.7% |
| CRI CARTER'S INC | Other | 2.3M | $83.8M | 6.1% | -48.1% |
| KHC KRAFT HEINZ CO/THE | Consumer staples | 3.2M | $72.1M | 5.3% | +28.2% |
| XOM EXXON MOBIL CORP | Energy | 321.5K | $54.5M | 4.0% | -18.7% |
| PII POLARIS INC | Industrials | 888.0K | $48.4M | 3.5% | -3.1% |
| MSFT MICROSOFT CORP | Technology | 90.7K | $33.6M | 2.4% | -1.9% |
| HELE HELEN OF TROY LTD | Industrials | 1.2M | $16.9M | 1.2% | +85.7% |
| ADBE ADOBE INC | Technology | 50.5K | $12.3M | 0.9% | New |
| HRB H&R BLOCK INC | Services media | 360.4K | $11.4M | 0.8% | New |
| LULU LULULEMON ATHLETICA INC | Other | 73.4K | $11.2M | 0.8% | New |
| AMCX AMC GLOBAL MEDIA INC | Communications | 1.5M | $10.3M | 0.8% | -0.2% |
| WGO WINNEBAGO INDUSTRIES | Industrials | 166.2K | $5.2M | 0.4% | -2.6% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 4.2K | $4.2M | 0.3% | -1.7% |
| AAPL APPLE INC | Technology | 7.3K | $1.8M | 0.1% | -12.9% |
| FAF FIRST AMERICAN FINANCIAL | Financials | 29.1K | $1.8M | 0.1% | Held |
| IBM INTL BUSINESS MACHINES CORP | Technology | 6.4K | $1.5M | 0.1% | -33.1% |
| RSG REPUBLIC SERVICES INC | Utilities | 6.1K | $1.3M | 0.1% | -1.4% |
| NVDA NVIDIA CORP | Technology | 5.7K | $1.0M | 0.1% | -26.6% |
| GILD GILEAD SCIENCES INC | Healthcare | 7.2K | $999K | 0.1% | Held |
| ACN ACCENTURE PLC-CL A | Services media | 4.2K | $823K | 0.1% | -4.1% |
| CVX CHEVRON CORP | Energy | 2.6K | $543K | 0.0% | Held |
| WNC WABASH NATIONAL CORP | Industrials | 55.4K | $477K | 0.0% | -55.5% |
| SBUX STARBUCKS CORP | Consumer discretionary | 4.1K | $365K | 0.0% | +0.6% |
| ORCL ORACLE CORP | Technology | 1.5K | $219K | 0.0% | +12.7% |
| TJX TJX COMPANIES INC | Consumer discretionary | 1.4K | $218K | 0.0% | -6.1% |
| XPOF XPONENTIAL FITNESS INC-A | Services media | 30.0K | $181K | 0.0% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 4, 2026 | 34 | $1.37B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 34 | $1.46B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 4, 2025 | 33 | $1.40B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 4, 2025 | 22 | $1.21B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 17, 2025 | 19 | $1.24B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 13, 2025 | 21 | $1.09B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 13, 2024 | 21 | $1.08B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 20 | $920.9M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 14, 2024 | 18 | $926.8M | canonical | SEC ↗ |
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