Forbes estimated Elon Musk’s net worth at $500 billion on October 1, 2025, making him the first person to reach that mark on its Real-Time Billionaires list. The milestone is historical, not a current estimate: Forbes later reported that Musk’s fortune reached an estimated $1 trillion on June 12, 2026, after SpaceX went public. Neither figure means he held that amount in cash.
When did Elon Musk become the first person worth $500 billion?
Forbes’ Real-Time Billionaires tracker placed Musk at the $500 billion threshold at 3:30 p.m. Eastern on October 1, 2025. The figure was an estimate at a specific time, not a fixed valuation or a record that applies across every wealth tracker. Forbes’ real-time list is updated as relevant asset values change.
Was Elon Musk really worth $500 billion in cash?
No. A billionaire’s net worth is an estimate of assets minus liabilities, not the amount of money available in a bank account. Musk’s estimated wealth has been tied largely to ownership stakes in SpaceX and Tesla. The value attributed to those stakes can change with Tesla’s public share price and with estimates of private-company value, among other assumptions. Turning a large stake into cash would also require a sale or other transaction; the estimated value of the stake is not itself cash proceeds.
How do Forbes and Bloomberg estimate Musk’s net worth?
Forbes and Bloomberg publish separate estimates, and their methodologies and update times matter when reading a reported fortune. Bloomberg describes its Billionaires Index as “a daily ranking of the world’s richest people” and says it seeks “the most transparent calculations available.” Its Musk profile provides analysis of how it tallies his fortune. Those descriptions are Bloomberg’s account of its own approach, not an independent endorsement.
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Forbes’ estimate also reflects choices about which assets and awards to count. For example, Forbes says it excludes certain performance-based restricted shares from its estimate. That means the number is not simply a multiplication of every potentially valuable award by a current share price.
- Timestamp: A live ranking can change as underlying prices and valuations change; attach the publisher and date or time to any quoted figure.
- Public holdings: Shares in publicly traded companies can be valued using market prices, which fluctuate.
- Private holdings: Private-company stakes require valuation assumptions rather than a continuously quoted public share price.
- Awards and other assets: Rankings may differ in how they treat options, restricted shares, liabilities, and other holdings.
Forbes reported that Musk’s estimated fortune rose by $202 billion over the month preceding its September 2026 ranking after falling by $363 billion in July. Those changes describe Forbes’ estimated wealth, not cash received or spent. The available figures do not establish a same-time, like-for-like comparison between Forbes and Bloomberg for the October 1, 2025 milestone.
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Is the $500 billion figure still current?
No. It describes Forbes’ October 1, 2025 estimate. Forbes later reported Musk reaching an estimated $1 trillion on June 12, 2026, after SpaceX went public. That later milestone does not make the 2025 record inaccurate; it shows why a wealth figure needs a date and publisher, and why a headline written at the time should not be read as a present-day net-worth quote.
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