MARK CUBAN – $4.1 BILLION

Being the owner of the NBA’s Dallas Mavericks will definitely earn you a fortune. Mark bought the Dallas Mavericks from Ross Perot in 2000 for $285 million. Mark Cuban is the big man behind the team. He is also the co-owner of 2929 Entertainment and chairman of AXS TV. Being one of America’s top businessman and investor, he was awarded CEO of the Year by D Magazine.

He has had several investments in the sports business to include UFC’s parent company, Zuffa, and United Football League (UFL). He also authored the books How to Win at the Sport of Business: If I Can Do It, You Can Do It and Let’s Go, Mavs!. In September 2019, Mark revealed that he owned nearly $1 billion in Amazon stock. This is his biggest share holding. According to Netflix, he is the second largest shareholder.