SoftBank completes $40 billion OpenAI investment with final $22 billion payment, securing over 10% stake in ChatGPT maker at $260 billion valuation to fuel AI infrastructure expansion.

Softbank has fully funded $40 billion investment in OpenAI, sources tell CNBC

SoftBank has completed its $40 billion investment commitment to OpenAI, sources told CNBC's David Faber. The Japanese investment giant sent over a final $22 billion to $22.5 billion last week, according to the sources familiar with the matter. SoftBank had previously syndicated $10 billion and invested $8 billion in the ChatGPT maker. The investment takes SoftBank's stake in the company above 10%. CNBC reported in February that the company was finalizing a $40 billion investment in the Sam Altma...