Berkshire Hathaway disclosed an increase to their holdings in Mitsubishi (in Japanese to the Japanese government FSA). As of April 30th 2026, BRK owns 11.06% of Mitsubishi.
u/NoDontClickOnThat ·
Reddit — r/ValueInvesting
· May 15, 2026 at 16:08
· ⬆ 17 pts
· 💬 9 comments
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Summary
The post reveals Berkshire Hathaway increased its stake in Mitsubishi (MSBHF / 8058.T) from 9.67% to 11.06% as of April 30, 2026, citing a Japanese regulatory filing.
The author notes the share count also dropped 7.8% due to buybacks, effectively boosting BRK’s ownership percentage further, and speculates similar increases in the other four sōgō shōsha (Itochu, Marubeni, Mitsui, Sumitomo).
Quality assessment: Well-researched DD – the author provides a direct link to the filing, calculates precise share changes, and distinguishes between confirmed data and inference.
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▶ Full Post Text
[https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100Y33F.pdf?sv=2020-08-04&st=2026-05-15T14%3A48%3A21Z&se=2031-05-12T15%3A00%3A00Z&sr=b&sp=rl&sig=9oTakIVaAeHFDVigNV02DttRMxIMe9OZm3nARYbCKdc%3D](https://disclosure2dl.edinet-fsa.go.jp/searchdocument/pdf/S100Y33F.pdf?sv=2020-08-04&st=2026-05-15T14%3A48%3A21Z&se=2031-05-12T15%3A00%3A00Z&sr=b&sp=rl&sig=9oTakIVaAeHFDVigNV02DttRMxIMe9OZm3nARYbCKdc%3D)
The prior regulatory filing showed a 9.67% stake in Mitsubishi on March 10, 2025. My personal opinion is that BRK very likely increased their holdings in the other four sōgō shōsha ~~and will be submitting filings in the near future~~.
**(edit)** My opinion just changed. While BRK's share count of Mitsubishi increased by 5.5% (from 389,043,900 shares to 410,339,800), the number of shares outstanding dropped by 7.8% (from 4,022,391,153 shares to 3,710,528,742). I still feel that BRK increased their holdings of the four other sōgō shōsha, but it may not require regulatory filings for disclosure.