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Masayoshi Son’s AI ambitions outgrow SoftBank’s balance sheet - Financial Times

Reported by FT
Oct 3, 2026· 2 min read
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Key Takeaways
  • • SoftBank's $4bn acquisition of DigitalBridge gives Masayoshi Son a new vehicle to bring outside investors into his AI infrastructure ambitions, according to the Financial Times.
  • • DigitalBridge CEO Marc Ganzi says the data centre investment group will become SoftBank's 'third-party infrastructure arm' following the takeover.
  • • Analysts cited by the FT say SoftBank's cash reserves remain strong, but its funding needs for the current quarter are 'substantial'.
  • • Son's AI spending plans are described as exceeding what SoftBank can fund from its own balance sheet alone, which is driving the push for outside capital.
Summary
SoftBank's planned $4bn acquisition of DigitalBridge, the digital infrastructure investment firm, is central to Masayoshi Son's push to scale his artificial intelligence ambitions beyond what the group can finance on its own balance sheet, according to the Financial Times. The deal gives Son a new way to bring outside investors into his AI infrastructure build-out.

DigitalBridge CEO Marc Ganzi has said the data centre investment group will serve as SoftBank's 'third-party infrastructure arm' once the takeover closes. DigitalBridge's funds hold large stakes in data centres, which positions the platform as a channel for third-party capital into AI-related infrastructure.

Analysts quoted by the FT say that while SoftBank's cash reserves remain strong, its funding requirements for the current quarter are 'substantial'. The gap between Son's AI ambitions and the balance sheet capacity of the group is the core tension in the report.

The story is part of a broader debate over how SoftBank will finance its AI strategy, including its push toward artificial superintelligence and its stated goal of raising group net asset value substantially. Sources beyond the primary article were limited, so the financial figures above reflect the FT's reporting as summarized in the publisher context.

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Sources

1 outlet

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

FT Masayoshi Son’s AI ambitions outgrow SoftBank’s balance sheet - Financial Times