Meta CEO Zuckerberg becomes world's fourth-richest person as Muse AI drives stock surge
Meta CEO Mark Zuckerberg became the world's fourth-richest person on September 24, 2024, as Meta's stock rose 4.5% to $777.59, giving the company a $1.98 trillion market cap. His net worth reached $266.4 billion, surpassing Dell CEO Michael Dell. The surge followed the launch of Meta's AI assistant Muse, which became the top free iOS app in the U.S. within five days, surpassing ChatGPT with over 2.5 million downloads.
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Zuckerberg Becomes World's Fourth-Richest Person as Meta's AI Assistant Muse Surges
According to a Forbes report cited by China News Service, Meta CEO Mark Zuckerberg surpassed Dell CEO Michael Dell on September 24 to become the world's fourth-richest person. Meta's stock rose 4.5% to $777.59 on Thursday, a new 2024 closing high, boosting Zuckerberg's net worth to an estimated $266.4 billion. Meta shares have gained 17.8% year-to-date, rebounding after the early-September launch of Muse, an autonomous AI assistant for travel booking, email, and smart home control. Sensor Tower data shows Muse surpassed ChatGPT in iOS downloads within five days of its September 8 launch, accumulating over 2.5 million downloads by the following Monday. Zuckerberg described Muse as a step toward 'personal super-intelligence' on Meta's platforms.
Read sourceMeta Stock Surges on Muse AI Hype, Zuckerberg Becomes World's Fourth-Richest Person
According to Forbes, Meta CEO Mark Zuckerberg's personal wealth surpassed Dell CEO Michael Dell, making him the fourth-richest person globally, as Meta's stock rose 4.5% to $777.59 on September 24, 2024, giving the company a market cap of $1.98 trillion. Zuckerberg's net worth is estimated at $2,664 billion. The article attributes the stock surge to Meta's AI assistant Muse, which helps users book travel, send emails, and manage smart home devices. Zuckerberg calls Muse a key step toward 'personal superintelligence.' Data shows Muse became the top free iOS app in the U.S. within five days of launch, surpassing ChatGPT's initial downloads, with over 2.5 million total downloads. The top three billionaires remain Elon Musk ($9,279 billion), Jeff Bezos ($3,693 billion), and Larry Page ($2,808 billion).
Read sourceMeta CEO Zuckerberg Becomes World's Fourth-Richest Person as Muse AI Drives Stock Surge
According to Forbes, Meta CEO Mark Zuckerberg's net worth surpassed Dell Technologies founder Michael Dell on September 24, reaching an estimated $266.4 billion. This followed a 4.5% rise in Meta's stock price to $777.59 per share, a new 2024 closing high. The stock has gained 17.8% year-to-date, with a rebound after Meta launched its AI assistant, Muse, earlier in September. Data from Sensor Tower, cited by CNBC, showed Muse became the most downloaded free app on Apple's iOS platform in the US within five days of its September 8 launch, surpassing ChatGPT. Cumulative downloads exceeded 2.5 million by September 23. Meanwhile, Dell's net worth fell by nearly $5 billion to $265.4 billion as its stock declined 2.5% to $536.02, marking a fifth consecutive drop.
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Mark Zuckerberg's Fortune Soars $25.8 Billion in a Day as Meta Becomes Wall Street's AI Darling Again
Mark Zuckerberg's net worth surged by $25.8 billion in a single trading day on September 21, 2026, as Meta Platforms stock jumped nearly 12% on renewed AI enthusiasm, according to the Bloomberg Billionaires Index. Forbes estimated the increase at $25 billion, attributing it to Zuckerberg's push for personal superintelligence. Meta shares traded at $745.69 on September 22, up 0.60% in the session. The stock has risen 35.70% over one month but remains down 3.82% over one year, reflecting a volatile pattern: rewarded for cutting metaverse spending in December 2025, punished on weak guidance in July 2026, and now rewarded again on AI optimism. The article notes that Zuckerberg's fortune is heavily concentrated in Meta shares, making it highly sensitive to stock price swings. A 24/7 Wall St. report published September 17 had urged buying Meta before September 23.
Meta Shares Surge 12%, Zuckerberg Net Worth Jumps $25 Billion on Muse AI Success
According to Forbes, Meta CEO Mark Zuckerberg's net worth surged by $25 billion to an estimated $253.6 billion on September 21, following a nearly 12% jump in Meta's stock price. The rally was driven by the strong performance of Meta's new AI application, Muse, which was launched on September 8. Market analysis firm Sensor Tower reported that Muse became the most downloaded free app on Apple's iOS platform in the U.S. within five days of its release, surpassing ChatGPT. As of Monday, Muse had accumulated over 2.5 million downloads since its launch. The report, sourced from China News Service and Caixin, highlights the market's positive reaction to Meta's AI product rollout.
Read sourceMeta's Muse AI App Launch Drives Zuckerberg's Net Worth Up $25 Billion in One Day
According to Forbes, Meta CEO Mark Zuckerberg's net worth surged by $25 billion to an estimated $253.6 billion on September 21, following a nearly 12% jump in Meta's stock price. The rally was attributed to the strong launch of Meta's new AI application, Muse. Market analysis firm Sensor Tower reported that Muse became the most downloaded free app on Apple's iOS platform in the U.S. within five days of its September 8 release, surpassing the initial download rate of OpenAI's ChatGPT. As of September 20, Muse had accumulated over 2.5 million total downloads since its launch, according to the report cited by China News Service.