The best hedge funds for 2015 are...

This year's hottest—and coldest—hedge funds

Critics love to hate hedge funds' relatively high fees, low performance and secrecy. But the industry is managing more money than ever—and is poised to grow even more in 2015.

"Barring a large and unexpected global or financial event, hedge funds are positioned for another year of solid growth," industry data tracker eVestment wrote in a new report.

The company predicts that investors will add about $100 billion or more to hedge funds in 2015, about the same as the $112 billion they added in 2014 to push assets to a record of about $3 trillion.