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SoftBank Group to invest 80 trillion yen in U.S. for AI data center construction
Saturday, March 21, 2026 at 12:57 AM
SoftBank Group plans to invest approximately 80 trillion yen (roughly $530 billion USD) into the United States for the construction of artificial intelligence data centers, marking a significant commitment to AI infrastructure.
Context
As of March 2026, SoftBank Group has dramatically accelerated its "all-in" AI strategy, headlined by a massive 80 trillion yen (approx. $500 billion) investment commitment to build AI data centers across the United States. This initiative, part of the overarching Stargate Project launched in early 2025 alongside OpenAI and Oracle, aims to deliver 10 gigawatts of compute capacity by the end of 2025. To fund this expansion, SoftBank has aggressively monetized non-core assets, including the total sale of its Nvidia stake for $5.8 billion and significant portions of its T-Mobile holdings. The firm’s financial pivot is already yielding results, with SoftBank reporting a 3.17 trillion yen profit for the nine months ending December 2025, a five-fold increase year-over-year. This capital is being funneled into a vertically integrated AI ecosystem encompassing Arm-based chips, robotics, and energy infrastructure to support the goal of realizing Artificial Super Intelligence (ASI).
Sources (7)
OpenAI, Oracle, and SoftBank expand Stargate with five new AI data center sites | SoftBank Group Corp.OpenAI, Oracle, and SoftBank expand Stargate with five new AI data center sites | OpenAI'Our investments are beginning to pay off': AI boom brings SoftBank back into the black | FortuneThe billion-dollar infrastructure deals powering the AI boom | TechCrunchSoftBank sells its entire stake in Nvidia for $5.83 billionSoftBank Corp. Announces Telco AI Cloud Vision to Build Social Infrastructure for the AI Era, Leveraging Its Telecommunications FoundationSambaNova partners with SoftBank to expand its AI cloud throughout APAC - DCD
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