SoftBank finalized a massive $41 billion investment in OpenAI to secure an approximate 11% equity stake in the company. The total funding package combines a fresh $22.5 billion capital injection with $11 billion in syndicated co-investments and a prior $7.5 billion tranche. This strategic move values the AI developer at roughly $300 billion post-money and complements SoftBank’s recent $4 billion acquisition of digital infrastructure firm DigitalBridge.






