Topline

    OpenAI 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

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    Key Facts

    Altman testified that his stake in Helion is worth $1.65 billion.

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