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AI Boom Produces Record Number of Young Forbes Billionaires
The AI boom has created many very rich young people in America.
Forbes found 10 billionaires under 40 on its 2026 list.
Seven of them are new to the list and made their money from AI-related businesses.
Four of the newcomers helped start Anthropic, the company behind Claude.
Lukas Walton is the richest person in the group, but he inherited his fortune.
The youngest is Steven Hao, who helped start Cognition and its coding tool Devin.
Together, the 10 young billionaires are worth about $169 billion.
These wealth figures use stock prices and estimates for private companies.
Ten Americans under 40 appear on the 2026 Forbes 400, up from four last year.
Seven newcomers built their fortunes through companies connected to the artificial intelligence boom.
Four newcomers are Anthropic cofounders, each estimated to be worth $15.5 billion.
Lukas Walton is the group’s richest member at $44.4 billion and the only inheritor.
Steven Hao, 30, is the youngest Forbes 400 member, with an estimated $5.8 billion from Cognition.
- Who
- Ten Americans under 40, including Anthropic cofounders, OpenAI executive Greg Brockman, Surge AI founder Edwin Chen, and Cognition cofounder Steven Hao.
- What
- A record 10 people under 40 qualified for the 2026 Forbes 400, with seven new entrants linked to the AI boom.
- Where
- The Forbes 400 is a ranking of the richest people in the United States.
- When
- The wealth calculations use share prices from September 4, 2026; the list is for 2026.
- Why
- AI companies and related businesses gained significant valuations, creating new fortunes and elevating their founders or executives onto the list.
Key facts
- Youngest members
- 10 people under 40 made the 2026 Forbes 400.
- New entrants
- Seven of the 10 were new to the under-40 group.
- Anthropic representation
- Four new members came from Anthropic, with each estimated to be worth $15.5 billion.
- Richest member
- Lukas Walton is estimated to be worth $44.4 billion.
- Youngest member
- Steven Hao is 30 and estimated to be worth $5.8 billion.
- Combined wealth
- The 10 youngest members are worth an estimated $169 billion.
- Forbes 400 entry threshold
- The minimum wealth required reached a record $4.4 billion, up from $3.8 billion.
Sources
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