U.S. tech billionaires have grown immensely wealthier amid the AI craze, which involves massive investments in AI chips, building data center infrastructure, and more. These investments have propelled the world's top billionaires’ combined wealth to soar beyond $550 billion.
According to Bloomberg data, the top 10 tech billionaires hold combined wealth exceeding $2.5 trillion in cash, stocks, and other investments—a significant rise from $1.9 trillion at the start of the year. This aligns with the U.S. S&P 500 index gaining over 18% during the same period.
Throughout 2025,so far,Leaders of these tech companies have benefited from global AI investments in AI chips, data centers, and other AI products, with continuous massive spending. This is despite rising market concerns about a potential AI bubble.
“There remain many big questions about whether these investments will ultimately pay off, but what is clear now is that investors are betting on their success,” said Jason Furman, a Harvard University economics professor. Jason Furman, Professor of Economics at Harvard University,
Among all billionaires, Elon Musk remains number one on the list, with his latest wealth as of 29 December 2025 at $744.6 billion, up from $342 billion at the start of the year, according to reports byForbes.This means his wealth increased by nearly 50% this year.
Musk’s increased wealth is due to shareholder approval of a $1 trillion Tesla compensation package and a SpaceX valuation surging to $800 billion.
Another winner from the AI craze is Jensen Huang, founder and CEO of Nvidia, which has soared to become the world’s most valuable company at $4 trillion, according toForbes.CEO Jensen Huang ranks as the 8th richest American billionaire, with a fortune of $165 billion.
Previously, Huang filed documents with regulators showing he sold over $1 billion in Nvidia shares as the stock price continued rising. Similarly, other tech billionaires such as Jeff Bezos, Amazon’s founder, sold shares totaling over $5.6 billion, and Michael Dell, founder of Dell Technologies, sold more than $2 billion of his company’s stock.
Meanwhile, Mark Zuckerberg of Meta saw his wealth ranking fall after the company’s stock price declined recently, as investors grew concerned about Meta’s massive spending on AI infrastructure and high compensation for leading AI researchers.
Larry Ellison’s wealth surged past Elon Musk’s to become the world’s richest last year after Oracle announced a $300 billion data center deal with OpenAI.
But shortly after, Ellison’s wealth declined amid investor concerns over Oracle’s funding structure and financial burden from expanding AI infrastructure. This pressure led Oracle’s stock to fall 40% from its September peak, reflecting market worries that this big bet could pose long-term financial risks to the company.
Two other notable figures this year are Google founders Larry Page and Sergey Brin, who surpassed both Ellison and Zuckerberg in wealth, benefiting from Google’s AI model and chip development progress within the company.
Bloomberg reports that Larry Page’s net worth rose by approximately $270 billion, while Sergey Brin’s increased by about $255 billion, fueled by investor confidence that Google is seriously reasserting itself as a major AI player.
Among all tech billionaires, Bill Gates, Microsoft’s co-founder, is the only one whose wealth declined compared to the start of the year, as he has continued selling Microsoft shares to fund charitable and social projects through his foundation.
Source:Financial Times
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