SoftBank’s Cumulative OpenAI Stake Hits About $64.6B, Roughly 13%

SoftBank Group said it has completed the previously pledged $30 billion follow-on into OpenAI via Vision Fund 2 in three $10 billion tranches (April, July and October 1, 2026), lifting cumulative investment to about $64.6 billion and ownership to roughly 13%. The third tranche was funded by September senior FX bonds after bridge facilities were cancelled and repaid. See also our note on OpenAI’s ~$11B tranche at ~$1.25T valuation.