In order to know who owns Winstar Casino, it is important to know how much the casino makes a day. Despite his massive success with both businesses, Winstar appears to be a privately owned enterprise and does not publicly share many details about its ownership structure or finances. The company was founded by Texas billionaire Tilman Fertitta, who also owns other notable gaming properties such as Landry�s and Golden Nugget Casinos. Winstar Casino is one of the most successful casinos in the United States.