The unsecured facility arranged with JPMorgan Chase, Goldman Sachs, Mizuho, SMBC and MUFG expires in March 2027. Once SoftBank’s next $30 billion investment in OpenAI closes, its total stake will be about $64.6 billion, or about 13% of the company.
Masayoshi Son has never been accused of thinking small, but the speed and scale of his bet on OpenAI is entering territory that makes credit rating agencies nervous.
SoftBank Group It announced on Friday that it has secured a $40 billion bridge loan, the largest dollar-denominated loan in its history, to fund its further investment in OpenAI and general corporate purposes.
The unsecured facility was arranged with JPMorgan Chase, Goldman Sachs, Mizuho Bank, Sumitomo Mitsui Banking Corporation and MUFG Bank and expires on March 25, 2027.
The loan provides financing for SoftBank’s additional $30 billion investment in OpenAI through its Vision Fund 2. SoftBank entered into a definitive agreement with OpenAI on February 27, 2026 to participate in the company’s ongoing fundraising round.
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This round, which OpenAI announced in February, is looking to raise $110 billion for a total valuation of $840 billion, including $30 billion from SoftBank, $30 billion from Nvidia and $50 billion from Amazon.
Upon completion, SoftBank’s aggregate investment in OpenAI is expected to reach approximately $64.6 billion, giving it an ownership stake of approximately 13%.
The context for the $40 billion bridge loan is Son’s escalating pace. SoftBank owned about 11% of OpenAI at the end of December 2025, already a large position.
Funding the former OpenAI investmentsIt liquidated other holdings, including its stake in Nvidia. The Vision Fund portfolio that made Son famous in the 2010s has fluctuated wildly between record gains and significant losses; The OpenAI bet is, in effect, a concentrated bet that generative AI will generate returns that justify leverage.
This week, S&P downgraded SoftBank’s credit outlook, citing concerns that the scale of OpenAI’s exposure could hurt the company’s liquidity and the credit quality of its broader asset base.
The broader SoftBank-funded architecture is well established. Company A Co-founder of the Stargate Project Along with OpenAI and others, an initiative was announced that aims to raise up to $500 billion in the United States by early 2025. AI infrastructure investment for four years.
In December 2024, Son and then-President-elect Donald Trump jointly announced that SoftBank plans to invest $100 billion over four years in artificial intelligence and related infrastructure in the United States.
A $40 billion bridge loan is partly the mechanism by which this commitment is financed. Loan debts are expected to be repaid in stages until maturity using existing assets and other financial sources.
