Mark Zuckerberg (left) and Elon Musk (right).
Mark Zuckerberg and Elon Musk compete for a top spot on the Bloomberg Billionaires Index.
  • Meta CEO Mark Zuckerberg is now the third richest person in the world.
  • Zuckerberg's wealth has outpaced Tesla CEO Elon Musk for the first time since 2020.
  • Musk's wealth has tanked as Tesla shares have slumped more than 34% since the start of the year.

There's a new round in the billionaire brawl between Mark Zuckerberg and Elon Musk — and this time, the Meta CEO is on top.