Elon Musk has reached a financial milestone never before achieved by any individual, becoming the first person in history with a net worth exceeding $600 billion. According to a Forbes report published on December 16, 2025, Musk’s fortune stood at an estimated $677 billion as of 12 p.m. U.S. Eastern Time on Monday, cementing his position as the wealthiest individual the world has ever seen.
The extraordinary jump in Musk’s net worth was driven primarily by the dramatic surge in the valuation of SpaceX, his privately held aerospace company. Earlier this month, SpaceX completed a tender offer that valued the company at $800 billion, double its estimated $400 billion valuation in August, according to two investors familiar with the transaction. The revaluation alone significantly reshaped the global wealth rankings.
Musk is estimated to own approximately 42% of SpaceX, meaning the higher valuation added about $168 billion to his personal fortune in a matter of months. Forbes now estimates Musk’s stake in SpaceX to be worth roughly $336 billion, making it his single most valuable asset and the cornerstone of his unprecedented wealth.
SpaceX’s growing dominance in satellite internet through Starlink, its expanding government and commercial launch contracts, and its central role in U.S. space ambitions have all contributed to investor confidence. The company is also reportedly laying the groundwork for a potential initial public offering in 2026. One investor told Forbes that an IPO could value SpaceX at as much as $1.5 trillion, a move that would likely propel Musk into trillionaire status even without additional gains from his other businesses.
Beyond SpaceX, Musk’s wealth is spread across several high-profile ventures. His 12% stake in Tesla is estimated to be worth about $197 billion, despite periods of volatility in the electric vehicle maker’s share price. Tesla remains one of the world’s most valuable automakers and a central pillar of Musk’s business empire, even as competition in the global EV market intensifies.
Musk also retains stock options from his controversial 2018 CEO performance award at Tesla. Although those options were voided by a Delaware judge in January 2024, Forbes continues to assign a discounted value of $69 billion to them while Musk’s appeal remains pending before the Delaware Supreme Court. A favorable ruling could further inflate his already staggering net worth.
Another major contributor to Musk’s fortune is xAI Holdings, his artificial intelligence company. xAI is reportedly raising new funding at a valuation of $230 billion, more than double the $113 billion valuation Musk referenced earlier this year when xAI was formed through a merger with his social media platform, X. Musk owns about 53% of xAI Holdings, a stake currently valued at approximately $60 billion.
Musk’s wealth accumulation over the past five years has been historically rapid. In March 2020, his net worth stood at just $24.6 billion. By August of that year, he had crossed the $100 billion mark, becoming only the fifth person ever to do so. His fortune continued to climb sharply, reaching nearly $190 billion in January 2021, when he became the world’s richest person for the first time. By November 2021, Musk had surpassed $300 billion, crossed $400 billion in December 2024, exceeded $500 billion in October 2025, and finally broke the $600 billion barrier in December 2025.
With an estimated $425 billion lead over the world’s second-richest individual, Google co-founder Larry Page, Musk appears far closer to the $700 billion mark than to losing his position at the top of the global wealth rankings. As valuations of his private companies continue to soar, Musk’s financial ascent is redefining the upper limits of personal wealth in modern history.
Emmanuel Bassey is a Financial Expert that has worked in the Banking and Finance Industry for over 15+ years across different banks in Nigeria
