Billionaire David Tepper bought energy stocks in the fourth quarter — Here are his top holdings

David Tepper, founder and president of Appaloosa Management.
David Orrell | CNBC

Billionaire investor David Tepper trimmed some of his biggest positions in the fourth quarter while increasing his bets on energy stocks, according to a new securities filing released Tuesday.

Tepper's Appaloosa Management released its holdings for the end of December, showing that T-Mobile was the fund's largest position.