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Masayoshi Son

Chairman and Chief Executive Officer, SoftBank Group

FundSoftBank Group$18.17B

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Funds

The funds Masayoshi Son runs, and what each reported holding in its latest 13F filing with the SEC.

SoftBank Group$18.17BChairman and Chief Executive Officer30 positions · 13F as of Jun 30, 2026Largest positionsIntel66.8%Symbotic9.8%T-Mobile US9.2%See the portfolio →

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Latest on Masayoshi Son

Featured · Chips

Sam Altman visited Samsung days after its record $80.5 billion quarter; its phone business lost money

Sam Altman spent Saturday with about 50 Samsung executives in Yongin, days after Samsung posted KRW 107.4 trillion in quarterly operating profit, the first above KRW 100 trillion in tech history. The stock still trades 36% below its high: the fight is over whether memory is a franchise or one more commodity cycle.

October 31, 2026 · 3 min read

Model
OpenAI requires approval for platforms reselling its models, effective November 20
OpenAI's revised usage policies require prior approval for any platform reselling direct access to its models, effective November 20. The middleware the market just valued in the billions gets a month to decide, and its own plumbing is already cracking.
October 23, 2026 · 2 min read
Deals
SoftBank's $6 Billion 1X Talks Meet a 12-Week Shipping Deadline
Six weeks after the talks were reported, SoftBank has not signed, OpenAI has said it will build its own humanoid, and 1X has about 12 weeks to make good on first shipments of its $20,000 home robot. The $6 billion price now rides on the shipping date.
October 7, 2026 · 3 min read
Deals
Junk bond buyers just bankrolled SoftBank's last $10 billion payment to OpenAI
Five tranches of BB+ senior notes, disclosed 24 September with an expected issue date of 29 September, fund the third and final $10 billion installment of SoftBank's $30 billion OpenAI commitment. The coupon is contractual; the equity it buys owes nothing on any schedule.
September 30, 2026 · 3 min read
Chips
SoftBank Pledged 72% of Arm for a $25 Billion Loan. Everyone Else Holds the Risk
Arm's public float is 145 million shares. SoftBank pledged 769 million of them to back a $25 billion loan, and the margin trigger is nowhere in the filings.
September 29, 2026 · 3 min read
Deals
OpenAI's $1.2 Trillion Round Pays the Vendors First
OpenAI is negotiating a valuation above $1.2 trillion on projections of $278 billion in losses through 2030. The compute vendors and their lenders collect during the burn; whoever wires the new money holds the years before $350 billion of revenue arrives.
September 21, 2026 · 3 min read
Deals
SoftBank's $25 Billion Arm Loan Funds AI Bets That Haven't Paid Yet
SoftBank lifted its Arm-backed margin loan to $25 billion (the third upsizing) after lenders bid about $7 billion into a $3–5 billion raise. Son is borrowing against the one AI asset with a public price to fund the bets that haven't paid yet.
September 18, 2026 · 3 min read

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