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SoftBank executes USD 10 billion third-tranche OpenAI investment, lifts stake to about 13%

1. Oct 2026

(AWP Alliance News) - SoftBank Group executed a USD 10 billion third-tranche follow-on investment in OpenAI via Vision Fund 2 on Oct. 1, 2026, completing its previously announced USD 30 billion program. Cumulative investment in OpenAI now totals USD 64.6 billion.

The stake stands at about 13%. The tranche was funded with proceeds from foreign currency-denominated senior notes.

https://www.publicnow.com/view/07F9F09F723A04EF48B443BD28F1CD6C6EF0588B…

Disclaimer: This news brief was created using generative artificial intelligence. SoftBank Group Corp. published the original content used to generate this news brief on October 01, 2026, and is solely responsible for the information contained therein.

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