The Adelson Family Foundation has been a prolific giver to Jewish organizations, most notably Birthright Israel. Cuban is one of the most outspoken owners in all of professional sports on a variety of political issues - including antisemitism. Cuban also announced Tuesday that he would be leaving “Shark Tank” next year.īoth Cuban and Adelson have been involved in Jewish causes, Adelson heavily so.Ĭuban, whose paternal grandparents had their last name changed from Chabenisky after emigrating from Russia, has said he encountered antisemitism growing up. The team is the seventh-most valuable NBA franchise, according to Forbes, which also estimates Cuban’s net worth at $6.2 billion. Earlier on Tuesday, Bloomberg reported that she was selling $2 billion in stock in order to “acquire a majority stake in a professional sports team.” Adelson’s net worth is estimated at over $30 billion, making her the richest Israeli in the world.Ĭuban, 65, purchased the Mavericks in 2000 for $285 million. The deal means Adelson, 78, will no longer hold a majority of shares in The Sands, the casino business that has generated most of her family’s wealth and allowed her to donate prolifically to Jewish and pro-Israel causes.