Sam Altman Testifies He Owns One Third Of Helion Energy—Worth $1.65 Billion

BreakingBusinessSam Altman Testifies He Owns One Third Of Helion Energy—Worth $1.65 BillionByAlicia Park,Reporter. I cover markets and tech.Follow AuthorMay 12, 2026, 03:14pm EDT--:-- / --:--This voice experience is generated by AI. Learn more.This voice experience is generated by AI. Learn more.ToplineOpenAI cofounder and CEO Sam Altman testified he has $2 billion worth of personal stakes in companies that conduct business with the ChatGPT maker, including owning a third of power company Helion Energy, which OpenAI had reportedly been in talks to purchase large quantities of electricity from to power its AI data centers. Sam Altman, chief executive officer and co-founder of OpenAI Inc., right, and Greg Brockman, president and co-founder of OpenAI Inc., arrive at the federal court in Oakland, California, US, on Thursday, April 30, 2026. Photographer: David Paul Morris/Bloomberg© 2026 Bloomberg Finance LPKey FactsAltman testified that his stake in Helion is worth $1.65 billion.Got a tip? Share confidential information with Forbes.Editorial StandardsReprints & PermissionsLOADING VIDEO PLAYER...FORBES’ FEATURED Video