- - A $2.2 Trillion Jump in Billionaire Net Worth

Douglas A. McIntyreDecember 31, 2025 at 7:20 PM

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The net worth of the 500 billionaires on the Bloomberg Billionaires Index rose $2.2 trillion in 2025. That took the total to $11.9 trillion, which is more than the gross domestic products of Germany and Japan combined.

24/7 Wall St. Key Points -

The 500 richest billionaires gained over $2 trillion in net value in 2025.

Much of the gain came from Tesla Inc. (NASDAQ: TSLA) CEO Elon Musk and a few other big tech billionaires.

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Much of the gains came from Oracle founder Larry Ellison, Elon Musk of Tesla Inc. (NASDAQ: TSLA), Alphabet Inc. (NASDAQ: GOOGL) co-founder Larry Page, and Amazon founder Jeff Bezos. The data show the extent to which big tech market caps have benefited from the phenomenal rise in artificial intelligence (AI). Experts consider it the largest advance in the history of technology. And there are substantial questions about whether AI has created a bubble in these values. If so, the same group of tech kings could give up all or most of their gains in the next year or two.

The data also show the effects of the wealth of Musk, who sits atop the Bloomberg list. His net worth is $632 billion, which is far more than double that of second-place Larry Page with $270 billion. Musk’s figure is up by $190 billion in 2025, which is as much as the total net worth of former Microsoft CEO Steve Ballmer’s $170 billion. Ballmer comes in at number eight on the list.

Musk is a unicorn on the billionaire list. His net worth comes from several places. He owns 15% of electric vehicle maker Tesla, which has a market cap of $1.51 trillion. Then there is his 44% of SpaceX, which has a value of $800 billion. He also owns 50% of xAI, which is a merger of social media company X (formerly Twitter) and Musk’s AI software giant. Valuing xAI is difficult due to its debt burden, but the generally accepted figure is $80 billion.

The value of Tesla is founded on Musk’s argument that it is not a car company. Rather, its market cap is based on its AI, self-driving car, and robotics operations.

A look at a single company reveals how much billionaire net worth can increase due to stock prices. The stock price of Alphabet is up 65% this year, and its market cap is $3.8 trillion. That makes it the third-most valuable company in the world. Its Gemini 3 product is considered as good as OpenAI’s ChatGPT. And its share of the chat market is growing.

AI has given people at the top of the Bloomberg list a phenomenal increase in net worth. Will a dent in the value of AI companies take it away?

Tesla Stock Price Prediction and Forecast 2026–2030

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Source: “AOL Money”