AI boom adds more than half a trillion dollars to wealth of US tech barons in 2025

Elon Musk sits ahead of Google's co-founder Larry Page and the Amazon founder, Jeff Bezos, in the overall rankings of the world's wealthiest billionaire. Elon Musk sits ahead of Google's co-founder Larry Page and the Amazon founder, Jeff Bezos, in the overall rankings of the world's wealthiest billionaire. Elon Musk's net worth increased by nearly 50% to $645bn with founders of Google and Amazon also seeing huge wealth gains Fri 26 Dec 2025 08.42 ESTLast modified on Fri 26 Dec 2025 21.30 EST A stock market boom in artificial intelligence companies has added more than half a trillion dollars to the wealth of America's tech barons in the past year, data shows. The top 10 US founders and bosses of some of the world's largest technology companies saw their finances swell to nearly $2.5tn, up from $1.9tn, in the year to Christmas Eve, according to figures from Bloomberg. Elon Musk, already the world's richest man, has again proved to be one of biggest winners as the AI gold-rush has pushed US stock markets to record highs.