Toyota announced that it will equip mass-market vehicles for individual customers with advanced automated driving from 2028. Japan's autonomous-driving-related stocks have gained momentum with the listings of TIER IV and GO, and this article organizes the leading and lagging stocks based on the latest information.
On 27 August 2026, Toyota Motor announced plans to equip mass-market vehicles for individual customers with advanced automated-driving technology. Moving beyond the previous proof-of-concept stage toward full-scale deployment in mass-market vehicles, Toyota positioned Level 2++ as enabling highly autonomous driving while retaining the driver as the responsible party. This is expected to have spillover effects across the entire supply chain. Alongside the involvement of government agencies and local authorities, the listings of Japanese autonomous-driving companies such as TIER IV and GO have heightened market interest.
This article divides autonomous-driving stocks into 2 categories, "development, components and software" and "robotaxi-related," and summarizes the characteristics and market capitalizations of each stock. It identifies Toyota, TIER IV, Sony Group and GO as major stocks, and highlights areas including map data, automotive semiconductors, sensors and AI software.
Stocks identified as top picks include Toyota (the parent company), TIER IV, GO, Sony Group, DeNA, Dynamic Map Platform, DENSO, Aisin, Renesas Electronics, Zenrin, Socionext and NX. Stocks described as laggards include FIG, WITZ, 3040 Soliton Systems, 4394 Exmotion, 2186 Sobal and 4392, among others. The article suggests that price movements could become more active depending on market trends.
Among robotaxi-related stocks, GO is attracting attention as a platform operator, while Sony Group, DeNA, Daiichi Koutsu Sangyo and NEC are discussed in connection with partnerships and related businesses. Stocks in components and semiconductors, such as Koito Manufacturing and Socionext, are also expected to become increasingly important as sensors and automotive software gain wider adoption. Overall, the article concludes that autonomous driving is an investment theme with expected medium- to long-term growth.