SoftBank Plans ¥60 Billion Institutional Bond Issuance to Fund AI Investment Expansion
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SoftBank plans to sell roughly ¥60 billion in bonds to Japanese institutional investors next week, continuing a relentless fundraising pace driven by its expanding AI commitments — including a near-$65 billion pledge to OpenAI.
What does the deal look like?
The offering splits into two tranches: about ¥50 billion at three years and ¥10 billion at five years, scheduled for the week of July 27.
Daiwa Securities is the lead underwriter; Nomura and SMBC Nikko are co-managers.
This means → SoftBank is keeping maturities short and concentrated, locking in near-term funding costs rather than stretching duration.
How much has SoftBank raised this year?
Through retail subordinated bonds — debt that ranks below ordinary bonds and pays a higher coupon — the company has already raised ¥678 billion in 2025.
In April it tapped the dollar and euro markets, opening funding channels beyond the yen.
In plain terms = add this ¥60 billion round and SoftBank has been fundraising almost without pause, one tranche after another.
What do the rating agencies say?
S&P revised SoftBank's outlook from negative to stable on July 16, citing a bigger-than-expected improvement in finances after Arm Holdings' share price surged.
The long-term issuer credit rating stays at BB+ — still one notch below investment grade (BBB−).
This means → the agency acknowledges the improving trend but has not yet signalled "safe to lend freely" — SoftBank's borrowing costs remain above those of investment-grade peers.
What is the market worried about?
Doubts over AI-investment payoffs have risen recently, dragging semiconductor-linked stocks — Arm included — lower.
SoftBank's own shares have pulled back from their early-June peak, partly on rumors that OpenAI's IPO timeline may slip.
The company is also exploring a margin loan collateralized by its OpenAI stake, with the target already trimmed from $10 billion to roughly $6 billion — this reflects tighter pledge terms or softer-than-expected valuations.
What is the core question?
SoftBank's entire funding logic rests on one premise: AI investments will eventually generate returns large enough to service the debt.
If AI commercialization runs slower than expected, or if Arm's stock and OpenAI's valuation stay under pressure, the funding chain becomes fragile.
Put simply = borrow to invest in AI, then use AI assets to borrow more — whether this loop keeps turning is the central variable the market watches when it prices SoftBank's credit.
Content is for reference only, not financial advice.