RWWM, Inc. holds a concentrated book of 40 stocks worth $1.4B as of Q2 2026 (disclosed Aug 14, 2026, a ~45-day 13F lag). This quarter they opened Crocs Inc and trimmed Daily Journal Corp. Their largest long position is Daily Journal Corp at 16% of the equity book.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
91% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as RWWM, Inc.
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| FMR LLC | 42 / 40 | $595.4B |
| MORGAN STANLEY | 42 / 40 | $351.0B |
| JPMORGAN CHASE & CO | 42 / 40 | $347.6B |
| BANK OF AMERICA CORP /DE/ | 42 / 40 | $204.0B |
| ROYAL BANK OF CANADA | 42 / 40 | $108.0B |
| WELLS FARGO & COMPANY/MN | 42 / 40 | $90.1B |
| UBS Group AG | 42 / 40 | $83.8B |
| OSAIC HOLDINGS, INC. | 42 / 40 | $9.8B |
Ranked by how many of RWWM, Inc.'s top 40 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1507683/holdings"
Use Arkolith to show RWWM, Inc.'s latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.