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Tokyo, September 22, 2026 – SoftBank Group has unveiled one of the largest corporate debt offerings of the year, launching an $11 billion bond sale to finance its latest investment in OpenAI.
The move underscores the Japanese conglomerate’s conviction that artificial intelligence will define the next era of global technology, even as credit markets tighten under the weight of higher interest rates.
The offering is split between $10 billion in U.S. dollar notes and €1 billion in euro notes, structured across multiple maturities ranging from 3.5 to 7.5 years for the dollar tranches and 4 to 6 years for the euro tranches.
According to people familiar with the deal, proceeds will be used to fund SoftBank’s $10 billion payment for the third tranche of its follow on investment in OpenAI, scheduled to close on October 1.
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The bond sale will also refinance a $10 billion bridge loan facility that SoftBank had secured earlier this year.
Pricing is expected on September 24, with settlement slated for September 29.
Citigroup and JPMorgan are leading the transaction as bookrunners, signaling strong institutional backing for the deal.
Market watchers say the scale of the issuance will test investor appetite for corporate debt at a time when yields are climbing and liquidity is tightening.
SoftBank’s strategy reflects its long standing reliance on leverage to fund ambitious bets in technology.
The company’s Vision Fund once reshaped venture capital with outsized investments in startups, and its latest focus on OpenAI suggests a similar conviction that artificial intelligence will deliver transformative returns.
By locking in long term financing, SoftBank is positioning itself to ride the wave of AI adoption across industries, from cloud computing to consumer applications.
Yet the risks are considerable. Rising borrowing costs could weigh on SoftBank’s balance sheet, while heavy exposure to a single company leaves it vulnerable to volatility in OpenAI’s valuation.
Analysts caution that while demand for AI linked assets remains strong, the sheer size of the bond sale could stretch investor capacity.
Still, the deal highlights a broader trend: global capital markets are increasingly channeling funds into artificial intelligence, despite macroeconomic uncertainty.
For SoftBank, the $11 billion bond sale is more than a financing maneuver it is a declaration of intent to remain at the forefront of the AI revolution.
At a time when many corporations are scaling back debt issuance, SoftBank’s bold move signals confidence not only in OpenAI’s trajectory but in its own ability to marshal capital for high stakes technology bets.
Whether this gamble pays off will depend on how quickly AI delivers on its promise and whether investors remain willing to underwrite that vision.
