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American billionaire Jensen Huang lost an estimated $6.1 billion on Thursday as Nvidia shares fell amid a broader technology stock sell-off triggered by renewed concerns about OpenAI’s revenue, pushing his fortune below $200 billion.
According to Forbes, Huang’s net worth fell to an estimated $199.3 billion on October 8, placing him seventh on its Real-Time Billionaires list. The Nvidia co-founder and chief executive lost about 3% of his wealth during the trading session as investors reassessed valuations across the artificial intelligence sector.
Nvidia shares fell 3% to close at $230.48 on Thursday, while Oracle shares dropped 5.6% to $135.55.
The sell-off followed a Financial Times report that OpenAI had told investors its annualised revenue was approximately $50 billion at the end of September, below the previously reported figure of $68 billion.
The difference prompted fresh questions about the scale of revenue being generated by leading artificial intelligence companies relative to the enormous investments flowing into the sector. However, subsequent reporting indicated that the higher figure may have included revenue generated by business partners, rather than representing OpenAI’s own revenue alone.
Nvidia is particularly exposed to shifts in investor sentiment around artificial intelligence because its graphics processing units are widely used to train and operate AI models. OpenAI is among the companies driving demand for advanced computing infrastructure.
Huang owns approximately 4% of Nvidia, the company he co-founded in 1993. Its chips have become central to the expansion of AI infrastructure, helping Nvidia grow into one of the world’s most valuable publicly traded companies.
Despite Thursday’s decline, Nvidia’s financial performance has remained strong. The company reported $46.7 billion in data centre revenue in its second quarter of fiscal 2026, reflecting continued demand for its computing products.
The latest market movement highlights how quickly billionaire fortunes can change with fluctuations in the value of concentrated shareholdings. Huang’s reported loss reflects the fall in Nvidia’s stock price and the resulting change in Forbes’ wealth estimate, rather than a direct cash outflow of $6.1 billion.
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