Qatar’s sovereign wealth fund is buying a roughly 5% stake in the parent company of the NBA’s Washington Wizards, NHL’s Washington Capitals and WNBA’s Washington Mystics as part of a $4.05 billion deal, a person with knowledge of the sale said Thursday. The person spoke to The Associated Press on condition of anonymity because the agreement between the Qatar Investment Authority and Monumental Sports & Entertainment had not been announced. It is believed to be the first time the government of Qatar is investing in U.S.