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The 10 richest billionaires under 40 in the world, according to Bloomberg

FinanceInternationalRevista Mercado35 s readAI summary
Image: Revista Mercado

According to Bloomberg figures published on October 20, 2026, Austria's Mark Mateschitz, 34, tops the ranking of billionaires under 40 with US$29.9 billion, stemming from the 49% stake he inherited from his father, Red Bull's co-founder. He is followed by Greg Brockman, OpenAI co-founder and president, with US$25.5 billion, and Czech Michal Strnad with US$18.9 billion. The list combines inherited fortunes with wealth generated by technology, digital payments and artificial intelligence.

In 35 seconds

  • Mark Mateschitz, 34, leads the list with US$29.9 billion from his 49% stake in Red Bull
  • OpenAI's Greg Brockman is second with US$25.5 billion; Anthropic's Daniela Amodei closes the top 10 with US$7.98 billion
  • Stripe founders Patrick and John Collison rank fourth and fifth with US$16.3 billion each
Read the full story at Revista Mercado

IASummary generated by artificial intelligence from a story by Revista Mercado. It may contain errors: the original source prevails.

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