SoftBank Group (9984.T) Shares Surge Over 7% Following $11.1 Billion Bond Issuance to Support OpenAI Investment

09/23/2026, 06:37 PM economy announcement ai

On Thursday, SoftBank Group revealed it had issued $10 billion in dollar-denominated senior notes and €1 billion (approximately $1.14 billion) in euro-denominated notes. The funds will primarily be allocated towards a $10 billion payment for the final tranche of its $30 billion investment in OpenAI, which is set to close on October 1.

This investment will increase SoftBank's total commitment to OpenAI to $64.6 billion, securing an estimated 13% stake in the company. The bond issuance reflects CEO Masayoshi Son's ambitious push into artificial intelligence, but it also raises concerns among investors regarding SoftBank's financing strategies and the implications of increased leverage on its financial stability

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