What is Mark Cuban’s net worth? Ameriorth an estimated $5 billion. MicroSolutions, a company founded by Cuban can entrepreneur Mark Cuban is w, made him his first modest riches. In 1999, at the height of the dot-com bubble, he made a killing by selling Broadcast.com to Yahoo for $1 billion. The Dallas Mavericks, Magnolia Pictures, … Continue reading Mark Cuban’s Net Worth Early Life, Early Career & More Details!