SoftBank is reportedly considering a bond sale of up to $20 billion to help finance its planned OpenAI investment and refinance an earlier $40 billion bridge loan.

SoftBank May Raise Up to $20 Billion in Bonds for OpenAI Investment

SoftBank is reportedly exploring a major bond sale worth between $10 billion and $20 billion as it looks to finance its growing investment commitment to OpenAI.

According to a Bloomberg report, the Japanese investment group is discussing the potential debt offering with investment banks. The fundraising could take place as early as September, although the final amount, timing and structure have not yet been decided.

The move comes as SoftBank prepares to provide substantial funding to OpenAI while managing the debt it has already taken on to support the investment.

SoftBank Has Committed Billions to OpenAI

SoftBank has reportedly committed to investing nearly $65 billion in OpenAI by October 2026.

To support the investment, the company previously secured a $40 billion bridge loan earlier this year. The loan helped SoftBank finance its OpenAI commitment without immediately raising the entire amount through long-term financing.

The proposed bond sale could now provide SoftBank with additional funds while helping it refinance or repay part of the bridge financing.

However, the potential transaction remains under discussion, meaning the final size and terms could change before any deal is completed.

Why SoftBank Needs Additional Funding

SoftBank's planned investment in OpenAI represents a significant financial commitment.

The company could face a funding gap of more than $20 billion, according to reports. A bond offering in the range of $10 billion to $20 billion could therefore cover a substantial portion of that requirement.

Using bonds would also allow SoftBank to replace some of its short-term borrowing with longer-term debt, potentially giving the company more flexibility in managing its financing obligations.

A SoftBank spokesperson said the company was considering different options for refinancing the bridge loan, but no decisions had been finalised regarding the amount or structure.

Investors Raise Concerns Over SoftBank's Debt

The potential bond issue also highlights concerns about SoftBank's financial position.

The company already carries a junk-rated credit profile, meaning investors generally demand higher returns to compensate for the additional risk associated with its debt.

Following reports about the potential bond offering, SoftBank's 8.5% dollar-denominated bond fell by around 2.3 cents to approximately 98 cents on the dollar.

It was reportedly the bond's biggest single-day decline since April.

SoftBank's credit-default swaps also widened by 10.7 basis points, indicating increased concern among investors about the company's credit risk.

SoftBank Could Use 144A Bond Structure

SoftBank is reportedly considering a Rule 144A bond offering as part of its fundraising plans. A 144A offering allows bonds to be sold to qualified institutional buyers in the United States.

This structure could give SoftBank access to a broad pool of institutional investors and potentially help the company raise a significant amount of capital.

However, the precise structure of any transaction has yet to be confirmed.

OpenAI Investment Reflects SoftBank's AI Strategy

SoftBank's willingness to commit tens of billions of dollars to OpenAI highlights the investment group's strong confidence in the future of artificial intelligence.

The company has increasingly positioned AI as a central part of its investment strategy.

OpenAI's rapid growth and increasing demand for computing resources have attracted significant investment from technology companies and financial institutions.

SoftBank's planned funding reflects its belief that the AI market could continue expanding rapidly as businesses and consumers adopt increasingly sophisticated AI tools.

AI Boom Is Driving Massive Debt Financing

The potential SoftBank bond sale also illustrates a wider trend across the technology industry.

AI development requires enormous amounts of capital. Companies are investing heavily in data centres, GPUs, networking equipment, power infrastructure and computing capacity to support increasingly demanding AI models.

As a result, debt markets are becoming an increasingly important source of funding for the AI infrastructure boom.

Reports indicate that companies have already raised more than $410 billion through bond markets in 2026 for data centres and other AI-related investments.

This suggests that the rapid expansion of AI is increasingly being supported not only by corporate cash flows and equity investments but also by large-scale borrowing.

AI Infrastructure Requires Long-Term Capital

Building AI infrastructure is expensive and requires significant upfront investment.

Data centres can require billions of dollars in capital, while the associated electricity generation, networking systems and computing hardware add further costs.

Technology companies and infrastructure providers are therefore exploring multiple financing options to meet the growing demand for AI capacity.

SoftBank's potential bond offering demonstrates how financial markets are becoming closely connected to the expansion of the AI ecosystem.

What the Bond Sale Could Mean for SoftBank

If completed, the bond sale could help SoftBank manage its OpenAI investment while reducing reliance on its existing bridge financing.

However, raising additional debt could also increase the company's financial obligations.

The success of the offering will depend on investor appetite, pricing conditions and SoftBank's ability to demonstrate that its AI investments can generate sufficient long-term returns.

For investors, the situation represents a balance between SoftBank's ambitious AI strategy and the financial risks associated with funding that strategy through debt.

Conclusion

SoftBank is reportedly considering raising $10 billion to $20 billion through bonds to support its massive OpenAI investment and refinance existing borrowing. While the transaction is not yet final, it highlights both SoftBank's confidence in AI and the growing reliance on debt to finance the industry's enormous infrastructure requirements.