Mark Cuban
- Net worth $6.7 billion
- Birthday July 31, 1958
- Status Married
- Country United States
- Ethnicity Ashkenazi Jewish
- Source(-s) of wealth Author, Businessman, Investor, Philanthropist, TV Personality
How much is Mark Cuban Worth? Mark Cuban Net Worth in 2026
Mark Cuban’s net worth is estimated at $6.65 billion as of October 2026. The entrepreneur and investor made his fortune selling Broadcast.com to Yahoo!, and recent headlines include the end of his Shark Tank run and the growth of his Cost Plus Drugs company.
| Net worth | About $6.65 billion (October 2026) |
|---|---|
| Estimated annual income | Reportedly around $200 million a year, mostly from investments and business interests |
| Born | July 31, 1958, Pittsburgh, Pennsylvania (age 68) |
| Country | United States |
| Occupations / sources of wealth | Businessman, investor, author, television personality and philanthropist |
| Known for | Selling Broadcast.com to Yahoo!, owning the Dallas Mavericks, Shark Tank, and Cost Plus Drugs |
How much is Mark Cuban worth in 2026?
Mark Cuban is estimated to be worth about $6.65 billion. His wealth comes from the sale of Broadcast.com in 1999, later investments, and the 2023 sale of a controlling stake in the Dallas Mavericks, which he said brought him an estimated $3.5 billion. Estimates vary, and this is an approximation based on public information.
How Mark Cuban built it
- Sold Broadcast.com to Yahoo. The 1999 sale is the foundation of his fortune.
- Sold control of the Mavericks. The 2023 sale of a controlling stake brought him an estimated $3.5 billion.
- Built Cost Plus Drugs. He grew the company and announced a partnership with Humana in 2025.
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Get the Alux appMark Cuban in 2026: what he’s been up to
- May 2026: Joined the ownership group of the Brampton Honey Badgers, a Canadian Elite Basketball League team.
- January 2026: Publicized the case of a heart-transplant recipient struggling with the cost of an anti-rejection drug, and Cost Plus Drugs then supplied it at a lower cost.
- 2025: Shark Tank ended his run as an investor after season 16, which he had announced would be his last.
- 2025: Announced a Cost Plus Drugs partnership with Humana and made a large undisclosed donation to Indiana University athletics.
- 2025: Appeared in the film Play Dirty.
How Mark Cuban makes money
- Mavericks sale: The NBA approved the sale of a 73% controlling stake in the Dallas Mavericks in 2023. He reportedly earned an estimated $3.5 billion and remains a minority owner.
- Broadcast.com: Yahoo! bought the company for $5.7 billion in Yahoo! stock in 1999, the foundation of his fortune.
- Investing: A broad portfolio of startups, including deals made on Shark Tank.
- Cost Plus Drugs: His company, launched in 2022, aims to lower generic drug prices.
- Media: 2929 Entertainment with Todd Wagner, and the HDNet network he founded.
Career timeline
- 1981: Graduates from the Kelley School of Business at Indiana University.
- 1982: Moves to Dallas, Texas.
- 1990: Sells MicroSolutions, the software company he founded, to CompuServe for $6 million.
- 1995: Joins Audionet with Todd Wagner, renamed Broadcast.com in 1998.
- 1999: Yahoo! acquires Broadcast.com for $5.7 billion in stock.
- 2000: Buys a majority stake in the Dallas Mavericks for $285 million.
- 2007: Launches HDNet Fights on HDNet.
- 2011: The Mavericks win the NBA championship, and Cuban joins Shark Tank. He also publishes the e-book How to Win at the Sport of Business.
- 2022: Launches Cost Plus Drugs.
- 2023: Sells a controlling stake in the Mavericks.
- 2025: Leaves Shark Tank after season 16.
Early life and background
Mark Cuban was born on July 31, 1958, in Pittsburgh, Pennsylvania. His father, Norton, was an automobile upholsterer and his mother, Shirley, raised the family in the suburb of Mount Lebanon. His maternal grandparents came from Romania and his paternal grandparents from Russia.
At 12 he sold garbage bags to pay for a pair of expensive basketball shoes. He enrolled at the University of Pittsburgh instead of finishing his last year of high school, then moved to Indiana University, where he earned a management degree in 1981. In college he ran several small ventures, including a bar, disco lessons and a chain letter.
After moving to Dallas in 1982 he worked as a bartender and then as a software salesperson, before founding his own company, MicroSolutions.
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Mark Cuban net worth FAQ
What is Mark Cuban’s net worth?
Mark Cuban’s net worth is estimated at about $6.65 billion as of October 2026.
How does Mark Cuban make money?
Mostly from investments, the proceeds of selling Broadcast.com and a controlling stake in the Dallas Mavericks, and businesses such as Cost Plus Drugs.
How old is Mark Cuban?
Mark Cuban was born on July 31, 1958, so he is 68 years old as of October 2026.
Where is Mark Cuban from?
He was born in Pittsburgh, Pennsylvania, and grew up in the suburb of Mount Lebanon.
What is Mark Cuban doing now?
He runs Cost Plus Drugs, invests in companies, remains a minority owner of the Mavericks, and joined the Brampton Honey Badgers ownership group in 2026. He ended his Shark Tank run in 2025.
How is Mark Cuban’s net worth estimated?
Estimates add up known sale proceeds, remaining stakes and investments. Because many holdings are private, the figure is approximate.
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How we estimate net worth
Our estimates are based on public reporting, company valuations, and deal and earnings figures all compiled in an internal valuation model. They are approximate, and figures change over time as new information emerges.
Last updated: October 2026.