Secret hedge fund shorts revealed

The Breakers Palm Beach resort in Palm Beach, Fla., is shown in this aerial view.
Steve Sanacore

Six hedge fund managers gave their best investment ideas at an exclusive—and private—conference, including new bets against companies.

The investors were part of a session to present one long and one short idea each at Morgan Stanley's "Breakers" conference, put on annually by the bank's hedge-fund-servicing unit at the posh Breakers Hotel in Palm Beach, Florida.