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Berkshire’s Japanese inventory positions high $30 billion
The overall worth of the 5 Japanese “buying and selling homes” in Berkshire Hathaway’s fairness portfolio has topped $30 billion in current weeks, and Warren Buffett is seemingly nonetheless shopping for.
Berkshire had already been constructing its positions for twelve months when Buffett initially revealed the stakes of round 5% every on August 30, 2020, his ninetieth birthday.
At the moment, the entire worth of the 5 positions was roughly $6.3 billion.
It is up 392% to $31.0 billion immediately, with Berkshire shopping for extra over time and the shares hovering between 227% and 551%.
The overall might be even increased as a result of some further purchases could not have been disclosed but.
We all know Warren Buffett has been including to what was already a tremendously profitable funding, with public acknowledgements lately that two of the stakes have gone above 10%.
One of many two, Mitsui, detailed this week precisely what number of shares Berkshire owns.
In a information launch Thursday, the corporate relays phrase from Berkshire that its Nationwide Indemnity subsidiary owned 292,044,900 shares as of September 30.
At Friday’s shut, they’re valued at round $7.1 billion.
It is a 10.1% stake, making Nation Indemnity its greatest shareholder.
It is also a rise of two.3% from the 285,401,400 shares, a 9.7% stake, reported in March.
This week’s information launch is a follow-up to one issued two weeks in the past by Mitsui during which it mentioned it had been “knowledgeable” by Berkshire that “they now maintain 10% or extra of the voting rights in Mitsui,” however had not been informed the precise variety of shares Berkshire owned.
In late August, Mitsubishi reported it had been informed by Berkshire that its holding had elevated to 10.2% from 9.7% in March.
We’ve not heard something since March about Berkshire’s three different Japanese holdings, Itochu, Marubeni, and Sumitomo, however it will not be a shock to be taught these stakes have additionally gone above 10%.
Again in 2020, Buffett promised the businesses he wouldn’t increase Berkshire’s stakes above 10% with out permission.
In his annual letter to shareholders launched in February, nonetheless, Buffett wrote, “As we approached this restrict the 5 corporations agreed to reasonably calm down the ceiling.”
Because of this, he mentioned, “Over time, you’ll doubtless see Berkshire’s possession of all 5 enhance considerably.”
In 2023, Buffett informed CNBC’s Becky Fast he was first drawn to the shares in 2020 as a result of “they have been promoting at what I believed was a ridiculous worth, notably the worth in comparison with the rates of interest prevailing at the moment.”
This 12 months, he informed shareholders Berkshire will maintain onto them for “50 years or perpetually.

BUFFETT AROUND THE INTERNET
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HIGHLIGHTS FROM THE ARCHIVE
Why Buffett and Munger do not belief monetary projections (1995)

BERKSHIRE STOCK WATCH
BERKSHIRE’S TOP U.S. HOLDINGS – Oct. 10, 2025
Berkshire’s high holdings of disclosed publicly traded shares within the U.S., Japan, and Hong Kong, by market worth, primarily based on immediately’s closing costs.
Holdings are as of June 30, 2025, as reported in Berkshire Hathaway’s 13F submitting on August 14, 2025, apart from:
The complete record of holdings and present market values is obtainable from CNBC.com’s Berkshire Hathaway Portfolio Tracker.
QUESTIONS OR COMMENTS
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Additionally, Buffett’s annual letters to shareholders are extremely advisable studying. There are collected right here on Berkshire’s web site.
— Alex Crippen, Editor, Warren Buffett Watch