SoftBank Group Corp. has completed an additional $22.5 billion investment in OpenAI, marking the second closing of its previously committed investment of up to $40 billion, first announced in March 2025. The initial closing occurred in April 2025 with a $7.5 billion investment via SoftBank Vision Fund 2 (SVF2). The latest transaction increases SoftBank's aggregate ownership interest in OpenAI to approximately 11%. Alongside SoftBank’s investment, third-party co-investors contributed an additional $11 billion, bringing the total aggregate commitment to $41 billion, which is now fully funded.
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