Mark Cuban is an American entrepreneur, investor and television personality. Celebrity Net Worth puts the 2026 net worth of Mark Cuban at $6.5 billion (page accessed October 29, 2026).
Mark Cuban net worth: quick facts
| Full name | Mark Cuban |
|---|---|
| Net worth | $6.5 billion (Celebrity Net Worth, page accessed October 29, 2026) |
| Age | 68 |
| Date of birth | July 31, 1958 |
| Nationality | American |
| Profession | Entrepreneur, investor, television personality |
| Known for | Selling Broadcast.com to Yahoo, owning the Dallas Mavericks and starring on Shark Tank |
What is Mark Cuban’s net worth in 2026?
Celebrity Net Worth estimated the net worth of Mark Cuban at $6.5 billion (page accessed October 29, 2026). The figure reflects Selling Broadcast.com to Yahoo, owning the Dallas Mavericks and starring on Shark Tank.
How Mark Cuban made money
The dot-com exit. Cuban founded Broadcast.com with Todd Wagner in 1995 and sold it to Yahoo in 1999 for $5.7 billion, according to Forbes.
The Mavericks. He bought the Dallas Mavericks in 2000 from Ross Perot for $285 million. In November 2023 he agreed to sell a majority stake to the family of Miriam Adelson at a $3.5 billion valuation.
Shark Tank and new ventures. He joined Shark Tank in 2011, announced in 2023 that he would step down after one more season, and now backs Cost Plus Drugs, which Celebrity Net Worth lists among his main businesses.
How the net worth estimates compare
| Publisher | Estimate | Date |
|---|---|---|
| Celebrity Net Worth | $6.5 billion | Page accessed October 29, 2026 (no update date shown) |
| Forbes | $6.8 billion | Real-time profile, last updated September 15, 2026 (accessed October 29, 2026) |
The two estimates are $300 million apart, which is a small gap at this size. Celebrity Net Worth shows no update date on this page, so its figure is shown as accessed on October 29, 2026.
Mark Cuban career and earnings timeline
- 1982: Moves to Dallas, Texas, and works as a bartender and software salesperson.
- 1999: Sells Broadcast.com to Yahoo.
- 2000: Buys the Dallas Mavericks from Ross Perot for $285 million.
- 2023: Agrees to sell a majority of the Mavericks to the Adelson family at a $3.5 billion valuation.
FAQs
How did Mark Cuban get rich?
He sold Broadcast.com to Yahoo in 1999 at the height of the dot-com boom, then built wealth through investments and the Dallas Mavericks.
Did he sell the Mavericks?
He sold a majority stake after a deal announced in November 2023. Forbes says he sold 58% for an estimated $2 billion before tax.
Why do the estimates differ?
Celebrity Net Worth says $6.5 billion and Forbes says $6.8 billion. The gap is small and comes from different valuations of his investments.
Sources
- Forbes: Mark Cuban profile, accessed October 29, 2026
- Celebrity Net Worth: Mark Cuban, accessed October 29, 2026
- YouTube: Mark Cuban Is Battling Big Pharma—And Winning | The Big Interview | WIRED
About the Author
Jason Liam writes about celebrity net worth on Sneaky Insights. He loves exploring the stories behind the fortunes: the career breakthroughs, businesses and endorsements that helped famous names build their wealth. His favorite part is looking beyond the headline number to tell the story of how the money was made.
