Key Highlights
- SoftBank shares plummeted more than 11% on Monday, closing at 5,795.0 yen and ranking among the Nikkei 225’s worst decliners
- Sam Altman, OpenAI’s chief executive, announced the AI company won’t move forward with a 2026 public offering
- Dario Amodei, Anthropic’s CEO, advocated for decelerating AI advancement due to potential existential threats
- The Japanese conglomerate obtained a fresh $11.87B two-year credit facility from approximately 20 financial institutions
- SoftBank targets nearly $65B in total OpenAI investments by October, having already secured roughly $37B in capital this year
SoftBank Group (TYO: 9984) experienced a steep decline exceeding 11% during Monday’s trading session, settling at 5,795.0 yen. The tech-focused investment firm emerged as one of the most significant underperformers on the Nikkei 225 index, which itself retreated 2% for the day.
The dramatic downturn followed remarks from Sam Altman, OpenAI’s chief executive, who revealed in a recent magazine profile that the artificial intelligence company has no intentions of going public in 2026. This announcement struck a particularly harsh blow to SoftBank, considering the Japanese firm’s substantial exposure to OpenAI’s commercial trajectory.
An initial public offering would have provided SoftBank with a rapid and substantial payoff on its artificial intelligence venture. Given OpenAI’s impressive valuations secured during earlier capital raises this year, the potential market debut represented a lucrative opportunity for stakeholders.
Under the leadership of billionaire entrepreneur Masayoshi Son, SoftBank has pledged approximately $65B toward OpenAI, with about $37B already mobilized in 2026 to back this strategic position.
Mounting Debt Obligations Intensify Scrutiny
To bankroll this ambitious wager, SoftBank has accumulated substantial borrowings, including bridge financing collateralized by its existing asset portfolio.
The investment conglomerate disclosed last week that it would settle $25.9B of an outstanding $40B credit line originally secured earlier this year for its OpenAI investment strategy. This payment obligation comes due on September 15.
Meanwhile, a newly arranged $11.87B two-year financing package has been completed, sourced from commitments across approximately 20 lending institutions. The final amount exceeded SoftBank’s initial $10B objective, as reported by Bloomberg.
The company is additionally exploring a U.S. dollar-denominated bond issuance potentially reaching $20B, coupled with a separate $10B margin financing arrangement secured by its OpenAI holdings.
Growing AI Safety Debate Compounds Challenges
The postponed public offering wasn’t the sole factor unsettling investors. Dario Amodei, chief executive of Anthropic, issued a public appeal for moderating the velocity of artificial intelligence innovation, highlighting potential dangers stemming from the technology’s accelerated evolution.
Multiple prominent technology leaders endorsed his perspective, including SpaceX founder Elon Musk and Demis Hassabis, who leads Google DeepMind. OpenAI similarly expressed alignment with Amodei’s concerns.
For SoftBank, a deceleration in AI advancement presents complications across multiple dimensions. Its semiconductor design unit Arm has experienced substantial growth driven by AI-fueled demand for chip technology. Any reversal in this trend could negatively impact Arm’s market value, which represents a critical asset within SoftBank’s investment portfolio.
A more extensive pullback in AI sector enthusiasm would likewise create headwinds for SoftBank’s comprehensive technology investment holdings.
Notwithstanding Monday’s significant selloff, SoftBank shares have still appreciated approximately 26% year-to-date in 2026.
Last week, SoftBank confirmed its objective of deploying nearly $65B into OpenAI by October, with the upcoming critical financing checkpoint aligned with the September 15 loan settlement deadline.
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