Musk Adds More in One Day Than Buffett Built in 70 Years

Elon Musk has reportedly become the world’s first trillionaire after SpaceX’s massive IPO sent his personal fortune soaring and shattered historic records for wealth creation.

On Tuesday, Musk added an estimated $164.8 billion to his net worth in a single day, following a surge in SpaceX shares after the company went public.

That one-day increase is larger than the entire fortune of Warren Buffett, whose net worth is estimated at around $146 billion. Buffett, known as the “Oracle of Omaha,” built his wealth over roughly 70 years through traditional investing. Musk gained a comparable amount in just 24 hours of trading.

Following the successful SpaceX IPO in June 2026, Musk’s net worth is now estimated at around $1.3 trillion, making him the first person in the world to cross the trillion-dollar mark.

To put that figure in perspective, Musk’s fortune is roughly equal to the combined wealth of the next five billionaires on the global rich list: Google founders Larry Page and Sergey Brin, Amazon founder Jeff Bezos, Oracle founder Larry Ellison and Dell founder Michael Dell.

If Musk’s fortune were measured as a country’s gross domestic product, it would rank around 20th in the world, ahead of many national economies.

Much of Musk’s wealth is now tied to his holdings in SpaceX, whose market value reportedly reached around $2.6 trillion within just three trading days. He also holds about 11% of Tesla, which is valued at roughly $1.52 trillion and is increasingly focused on artificial intelligence and robotics.

Musk’s empire also includes Neuralink, the brain implant startup in which his stake is valued at around $3.42 billion, and The Boring Company, the tunnel construction firm where his holdings are estimated at about $3.33 billion.

The scale and speed of the increase have stunned markets. Musk has not only broken the ceiling of personal wealth, but also redefined how quickly fortunes can be reshaped by advanced technology, investor enthusiasm and the public markets.

For Wall Street, the message is clear: the age of slow, traditional wealth building has been overtaken by a new model built around space, artificial intelligence, robotics and high-risk technological ambition.