Elon Musk Becomes World’s First $600 Billion Man as SpaceX Valuation Soars

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The world’s richest man, Elon Musk, has set a historic global record after becoming the first person ever to amass a net worth of $600 billion, driven largely by a massive surge in the valuation of his aerospace company, SpaceX.

According to a Forbes report published on December 15, 2025, SpaceX recently launched a tender offer valuing the private rocket company at $800 billion, doubling its valuation from $400 billion in August. The move significantly boosted Musk’s personal fortune, as he owns an estimated 42 percent stake in the company.

As of 12 p.m. Eastern Time on Monday, Forbes estimates Musk’s net worth at approximately $677 billion, making him the first individual in history to cross the $600 billion mark. No other billionaire has previously reached even $500 billion.

Sources familiar with the development disclosed that SpaceX is targeting an initial public offering (IPO) in 2026, with projections suggesting a potential valuation of about $1.5 trillion. If achieved, the IPO could push Musk closer to becoming the world’s first trillionaire. However, neither Musk nor SpaceX responded to requests for comment on the valuation or IPO plans.

Forbes estimates Musk’s SpaceX stake alone to be worth about $336 billion, now surpassing his holdings in electric vehicle giant Tesla as his most valuable asset. Musk owns roughly 12 percent of Tesla, valued at about $197 billion, excluding stock options from his controversial 2018 CEO Performance Award.

Those options, partially voided by a Delaware judge in January 2024, are currently discounted by Forbes to $69 billion, pending the outcome of Musk’s appeal at the Delaware Supreme Court.

Despite the legal uncertainty, Tesla could still play a pivotal role in Musk’s trillionaire ambitions. In November, Tesla shareholders approved a landmark compensation package that could grant Musk up to $1 trillion in additional stock if the company meets long-term “Mars shot” performance targets, including an eightfold increase in market capitalization over the next decade.

Musk’s artificial intelligence venture, xAI Holdings, is also emerging as a major contributor to his wealth. The company is reportedly in talks to raise new funding at a valuation of $230 billion, more than double its $113 billion valuation earlier this year. Forbes estimates Musk owns about 53 percent of xAI Holdings, valued at roughly $60 billion.

Musk’s rise to unprecedented wealth marks a remarkable trajectory over just five years. His net worth stood at $24.6 billion in March 2020 before surging on the back of Tesla’s stock performance.

He crossed $100 billion in August 2020, became the world’s richest person in January 2021, and continued smashing wealth milestones—$200 billion in September 2021, $300 billion in November 2021, $400 billion in December 2024, and $500 billion in October 2025.

With SpaceX, Tesla and xAI all positioned for further growth, analysts say Musk’s march toward the trillionaire milestone now appears less speculative and increasingly plausible.