SoftBankAI holdings drive Vision Fund gains as billions more committed to ChatGPT makerSoftBank CEO Masayoshi Son, left, has made one of the group's biggest bets with a huge investment in counterpart Sam Altman's OpenAI. © ReutersTSUBASA SURUGAMay 13, 2026 16:12 JSTUpdated on May 13, 2026 19:31 JSTTOKYO -- SoftBank Group on Wednesday reported a record full-year net profit of 5 trillion yen ($31.6 billion), quadrupling from a year earlier, as the Japanese technology investor increased its bet on ChatGPT developer OpenAI.