DraftKings shares were trading higher on Tuesday, after Bloomberg reported “George Soros wagers on sports betting with DraftKings stake.”

According to the report, Soros has a $66 million stake in DraftKings. Quantum Partners is an investment vehicle managed by Soros Fund Management, which holds 2.7 million DraftKings Class A shares.

DraftKings disclosed the holding in a filing with the Securities and Exchange Commission last week. Other investors include Walt Disney Co, which operates the sports channel EPSN, and the National Hockey League.

Owners of pro-basketball teams are also listed as investors in DraftKings, including Madison Square Garden Entertainment Corp has almost 1.5 million shares. Stephen Pagliuca, co-chairman of Bain Capital and a co-owner of the Boston Celtics, has about 566,000 shares.