A massive surge in artificial intelligence stocks has added more than half a trillion dollars to the net worth of America’s top technology moguls in 2025. According to the Bloomberg Billionaires Index, the collective wealth of the top 10 US tech founders swelled to nearly $2.5tn by Christmas Eve, up from $1.9tn just a year prior.
Elon Musk remains the primary beneficiary; his net worth skyrocketed by nearly 50% to $645bn, making him the first person to surpass the $500bn threshold. His gains were fueled by the “AI gold rush” and his involvement in xAI, alongside Tesla’s performance.
America’s richest tech titans reap $550 billion windfall from AI surge https://t.co/QLgZCYN9Ep pic.twitter.com/zxZbzTA11u
— New York Post (@nypost) December 26, 2025
Other significant winners include Google co-founders Larry Page and Sergey Brin, who saw their combined wealth increase by roughly $194bn as investors cheered the company’s AI advancements. Nvidia CEO Jensen Huang also saw his fortune rise by $41.8bn to $159bn, as Nvidia became the world’s first $5tn company.
However, the Bank of England has cautioned that these “stretched” valuations could face a “sudden correction” if the high expectations surrounding AI productivity fail to materialize.
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