Mark Zuckerberg’s fortune took a sharp hit on Friday as Meta Platforms shares fell, wiping nearly $9 billion from the billionaire’s estimated net worth and knocking him down two places on the global wealth rankings.
Credits: Mint
Zuckerberg’s Wealth Takes a $9 Billion Hit
Zuckerberg’s estimated net worth fell by $8.9 billion to $257.5 billion as of 2:30 p.m. ET on Friday, according to Forbes’ real-time billionaire rankings. The decline followed a roughly 4% drop in Meta shares to $749.26.
Zuckerberg owns around 13% of Meta, meaning significant movements in the company’s stock can have an immediate impact on his personal fortune. The latest decline pushed him from fourth place to sixth on the billionaire list.
He was overtaken by Google co-founder Sergey Brin, whose fortune stood at about $259.9 billion, and Michael Dell, who reached approximately $275.9 billion.
The size of Zuckerberg’s loss also stood out across the billionaire rankings. His nearly $9 billion decline was reportedly the biggest one-day loss on Forbes’ Real-Time Billionaires list on Friday, far exceeding the roughly $1.6 billion decline recorded by Larry Ellison.
AI Spending Becomes a New Investor Concern
The sell-off came after a strong run for Meta, with investors increasingly focused on the company’s ambitious artificial intelligence strategy and the enormous cost of building the infrastructure required to support it.
Goldman Sachs has highlighted the scale of the AI investment cycle, estimating that US hyperscalers are on track to spend around $800 billion on capital expenditure in 2026, a figure that represents a substantial increase from the previous year.
The investment bank has also estimated that global AI-related investment could exceed $1 trillion this year, illustrating just how much capital is flowing into data centres, computing infrastructure and related technologies.
For companies such as Meta, the challenge is increasingly shifting from simply developing AI products to generating enough revenue from those products to justify the infrastructure costs.
That concern appeared to weigh on investors Friday, particularly as Meta continues to spend heavily on AI infrastructure while attempting to turn its growing AI user base into a meaningful business opportunity.
Meta’s Muse Had Given the Stock a Boost
The market reversal comes after an impressive September for Meta. The company’s shares had climbed roughly 36% during the month before Friday’s decline.
Much of the enthusiasm had centred on Muse, Meta’s personal AI assistant. The app reportedly accumulated around 2.8 million downloads within its first two weeks, according to Sensor Tower.
The rapid adoption has strengthened the argument that AI assistants could become an important new gateway through which consumers access the internet, search for information and interact with digital services.
Goldman Sachs has similarly identified consumer AI agents as a development capable of reshaping online shopping, digital advertising and e-commerce.
Meta had therefore been benefiting from a combination of investor enthusiasm around Muse and expectations that AI could strengthen its position across its massive consumer platforms.
$2 Trillion Milestone Remains in Focus
Before Friday’s reversal, Meta had also moved within striking distance of a major market-cap milestone.
The company came to within less than 1% of a $2 trillion valuation on Thursday. Reaching that level would place Meta among a small group of technology companies to have crossed the threshold, including Apple, Microsoft, Nvidia and Alphabet.
However, Friday’s decline showed how quickly sentiment can shift when investors begin questioning the financial returns from AI infrastructure spending.
The broader AI buildout is expected to remain capital-intensive. Goldman Sachs estimates that major hyperscalers could deploy around $1.4 trillion in capital in 2027, while constraints involving power, land and memory chips could influence how quickly that spending is deployed.
Credits: NBC News
Michael Dell Emerges as the Day’s Biggest Winner
While Zuckerberg’s fortune plunged, Michael Dell experienced the opposite move.
The Dell Technologies founder added more than $10 billion to his wealth on Friday, making him the biggest billionaire winner of the day. The surge pushed Dell past both Zuckerberg and Sergey Brin in the global wealth rankings.
The contrasting fortunes highlight how closely billionaire rankings can move with individual stock prices. For Zuckerberg, Friday’s decline was less about a change in his underlying ownership of Meta and more about the market value assigned to those shares.
For Meta, meanwhile, the immediate question is whether the enormous investment being poured into AI can eventually translate into revenue at a scale capable of supporting the company’s spending ambitions.
