#9 · 2026 list
Warren Buffett
United States
- 🏦 Finance & Investments
- Investor
- Executive
Berkshire Hathaway
Net Worth Estimate$142 billionForbes real-time estimate · Oct 1, 2026
View Wealth Profile →Wealth Builder
Thomas Peterffy
United StatesFinance & InvestmentsInteractive Brokers
- Founder
- Executive
- Self-Made
Net Worth Estimate
$82.9 billion
Forbes World's Billionaires List 2026 · March 1, 2026
Last updated: October 8, 2026
#23 · Forbes World's Billionaires List 2026, as of March 1, 2026
Biography
Thomas Peterffy, born in Hungary, pioneered electronic trading and founded what became Interactive Brokers.
Companies
Wealth history
| Date | Source | Rank | Estimate |
|---|---|---|---|
| March 1, 2026 | Forbes World's Billionaires List 2026 | #23 | $82.9 billion |
Figures from different sources and dates are listed separately and never merged. Missing years are not estimated. Net worth figures are estimates published by the named source on the date shown. They change frequently and are not exact or permanent. Rankings are date-stamped snapshots.
Philanthropy
No documented philanthropy recorded yet.
More in Finance & Investments
#12 · 2026 list
Jim Walton
United States
- 🛍️ Retail
- Heir
- Owner
Walmart
Net Worth Estimate$143 billionForbes World's Billionaires List 2026 · Mar 1, 2026
View Wealth Profile →#16 · 2026 list
Carlos Slim Helú
Mexico
- 📡 Telecom
- Founder
- Investor
América Móvil
Net Worth Estimate$125 billionForbes World's Billionaires List 2026 · Mar 1, 2026
View Wealth Profile →#17 · 2026 list
Changpeng Zhao
Canada
- 🏦 Finance & Investments
- Founder
Binance
Net Worth Estimate$110 billionForbes World's Billionaires List 2026 · Mar 1, 2026
View Wealth Profile →