What the smart hedgies are buying

Trader on the floor of the New York Stock Exchange.
Lucas Jackson | Reuters

Four times a year, hedge funds file their long positions with the SEC and the information is released to the public 45 days after each quarter ends. So what did the smart money buy with the December filings out this week?

CNBC Pro asked Symmetric.io, a top hedge fund tracking firm, for a ranking of the best stock picking managers, what they are long and what names they are buying.