No ticker in our data
Who owns Sumitomo?
1 of the world’s richest people holds Sumitomo in our tracked profiles.
Billionaire holders
- Warren BuffettFinanceStakeSumitomo Corporation (Japan trading house; not in 13F) - via Berkshire · 9.7% of company; cost $1,907M, market value $4,022M · as of Dec 2025source ↗
Each row is a sourced entry from that person’s profile. Stakes are as of the date shown, not today.
Recent SEC filings
Sumitomo has no US ticker in our data, so there are no Form 4 insider trades to show.
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Recent moves
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Related
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