SoftBank's $6 Billion OpenAI-Backed Margin Loan Talks Stall Over Valuation Concerns

SoftBank had reportedly secured about $5 billion in margin-loan commitments before the latest talks stalled, though it was unclear whether those commitments were verbal or written.
OpenAI’s IPO filing details that investors were watching: it said it filed confidentially for a US IPO and is working with Goldman Sachs and Morgan Stanley on a possible listing as soon as the fall—potentially affecting how lenders view future liquidity timelines.
SoftBank was also looking at other ways to raise cash besides the OpenAI-backed margin loan—such as issuing more bonds or borrowing against listed holdings including Arm and Intel, whose shares have climbed about 197% and 192% this year, respectively.
Masayoshi Son reiterated his bullish stance on the AI market, saying he expects the AI revolution to be significantly larger than the dot-com boom.
A technology commentator said SoftBank was attempting to pledge its entire OpenAI position—worth more than $60 billion on paper—to borrow $6 billion, implying a loan-to-paper-value ratio of roughly 10%.
SoftBank's attempt to borrow $6 billion against its OpenAI stake has hit a wall. Bloomberg reported on June 10 that talks with potential lenders broke down, sending SoftBank shares tumbling 9.7% in Tokyo trading.
The collapse comes after SoftBank had already scaled back from a $10 billion target. The core problem: banks cannot easily put a price on OpenAI shares because the company is not yet public, making the collateral hard to value and even harder to sell in a crisis.
OpenAI was valued at $852 billion in its March 2026 funding round — the highest private valuation in history. But that number means little to lenders who cannot sell the shares if SoftBank defaults. Unlike Arm or Alibaba, OpenAI has no public stock price. Banks have no daily quote to anchor a loan against.
Technology commentator Ed Zitron noted the striking math: SoftBank was pledging a $60 billion-plus paper position to borrow just $6 billion — a loan-to-value ratio of roughly 10%. Even at that conservative level, The Japan Times reported that roughly $5 billion in commitments had been lined up before talks collapsed entirely.
SoftBank's OpenAI bet is now worth an estimated $64.6 billion on paper — a massive gain. But the company cannot spend paper gains. It also carries roughly $104 billion in total interest-bearing debt, according to TradingKey. The most urgent pressure: a $40 billion bridge loan used to fund its OpenAI investment matures in March 2027.
SoftBank CEO Masayoshi Son is not backing down. Speaking in Paris earlier this month, he said the AI revolution will be "50 times bigger than the dot-com boom." But bold predictions do not pay back bridge loans. The company is now weighing bonds and loans backed by listed holdings like Arm and Intel, whose shares are up 197% and 192% this year, respectively, The Japan Times reported.
One potential lifeline: OpenAI filed confidentially for a US IPO on May 22, with Goldman Sachs and Morgan Stanley leading the process. A listing could come as soon as this fall, Reuters confirmed on June 8. A public market price for OpenAI shares would make it far easier for banks to accept them as loan collateral.
Hua Cheng, head of Asia credit research at AllianceBernstein, called the margin loan "just one piece of a much larger puzzle," adding that "the best-case scenario is an OpenAI IPO this year." The timing matters enormously. If the IPO slips past 2026, SoftBank faces a harder path to repaying its $40 billion bridge facility before the March 2027 deadline.
The news hit SoftBank's stock hard. Shares fell 9.7% on June 10, wiping out billions in market value in a single session, according to TradingView. Investors are worried that if SoftBank cannot borrow against its best asset, it may be forced to sell other holdings to stay liquid.
SoftBank is not out of options yet. Beyond the OpenAI margin loan, it can issue more bonds or borrow against its stakes in Arm and Intel. The OpenAI IPO wave — which also includes Anthropic targeting an October listing at a $965 billion valuation — could unlock credit markets for private AI collateral, according to Yahoo Finance. For now, the clock is ticking.
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