Berkshire Hathaway Expands Japan Strategy With $1.8 Billion Stake in Tokio Marine

Although the deal falls under the leadership of Berkshire's new CEO, it clearly reflects Buffett's investment philosophy. In 2019, Buffett initiated Berkshire's investment in Japan by purchasing shares in five major Japanese trading companies. Over the years, Berkshire increased its holdings, which were valued at $35 billion by the end of 2025.

The current acquisition involves Berkshire buying a 2.49% stake in Tokio Marine. The structure of the deal is carefully designed: Tokio Marine will transfer shares to Berkshire that it bought back previously, and the insurer will use the funds received to conduct a new share buyback of equivalent size. This approach ensures the transaction does not dilute the value for existing shareholders.

Berkshire Hathaway holds a large cash reserve of $373 billion, and stakeholders are eager to see how the company’s new CEO will deploy this capital. Buying into Tokio Marine fits Berkshire’s profile of investing in businesses that generate solid profits, boast strong financials, and offer growth potential. For long-term investors, this move signals that the new leadership is adhering to proven investment principles.

This deal is more than just an investment; it marks the beginning of a strategic partnership between Berkshire and Tokio Marine. The two companies plan to collaborate on reinsurance and global investment ventures, offering Berkshire more opportunities to benefit beyond stock appreciation. Additionally, the partnership agreement is exclusive to this relationship for the next five years, preventing either party from working with rival Japanese insurers.

Berkshire also has the option to increase its stake up to 9.9% without obtaining further approval from Tokio Marine’s board, which leaves room for enhanced collaboration and investment in the future.