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The Fund That Bet the House on the Future
SoftBank Investment Advisers manages the biggest technology funds the world has ever seen. After a decade of writing nine-figure checks into startups, it is now pointing that firepower at one thing: the full stack of artificial intelligence.
OpenAI's $122B Megaround Shows AI Funding Has Gone Nuclear
On March 31, 2026, OpenAI closed the largest private funding round in history — $122 billion in committed capital at a post-money valuation of $852 billion. Anchored by Amazon ($50B), Nvidia ($30B), and SoftBank ($30B), with continued participation from Microsoft and a sweeping syndicate of global institutions, the round dwarfs every prior private tech raise and cements OpenAI as the world's most valuable startup by a wide margin. The company is generating $2 billion in monthly revenue, counting 900 million weekly ChatGPT users, and is widely expected to pursue an IPO.