Hedge fund Paulson & Co. took a stake in Citigroup while cutting holdings in Bank of America and its interest in Goldman Sachs according to a regulatory filing on Friday.

Billionaire John Paulson, whose firm Paulson & Co bet against financial companies and the housing market before the credit crisis, also dissolved his stakes in Petro-Canada, Humana Inc., State Street Corp and AT&T Inc, according to a filing with the U.S. Securities & Exchange Commission.

Besides Bank of America, Paulson cut his stake in JPMorgan Chase & Co by 5 million shares.