AP Photo/Evan Vucci
Elon Musk’s net worth soared by $19 billion on Monday, making him the biggest gainer of the day after Tesla’s long-awaited robotaxi launch in Austin, according to Bloomberg’s Billionaire Index.
Tesla officially debuted its self-driving taxi service on Sunday to a select group of users in its hometown, charging a flat $4.20 per ride.
The EV maker’s employees still accompanied riders for safety, but the service, years in the making and repeatedly hyped by Musk, drove Tesla’s stock.
The stock jumped as much as 11% in Monday trading before closing up 8% at $348.68, trimming its year-to-date losses to just under 7%.
That single-day rally translated into a $19 billion gain for Musk, who now commands a $385 billion fortune. This keeps him at the top of the world’s richest list despite a $47.5 billion loss since the start of 2025.
As of Tuesday morning, Musk is worth $139 billion more than the world’s second richest person, Meta’s Mark Zuckerberg, and $155 billion more than Amazon founder Jeff Bezos.
In an X post on Sunday, Musk credited Tesla’s internal AI and chip design teams for the launch, calling it the “culmination of a decade of hard work.”
Still, analysts remained cautious. In a Monday note, UBS analysts raised their target price on the stock by $25 to $215 while maintaining a “Sell” rating, warning that much of the robotaxi optimism is already priced into the stock.
Other analysts cautioned that while Tesla’s robotaxi vision is compelling, its success hinges on overcoming major hurdles in safety, operational infrastructure, sensor limitations, and real-world deployment — all of which remain unproven.
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