Not only have he and Carl Icahn forgiven each other, but his fund has done pretty well, too. If Herbalife would just fall off a cliff, he'd consider it a hattrick.

Bill Ackman’s Pershing Square International rose 23 percent this year through June 13, according to a person familiar with the matter. The fund rose 9.3 percent last year, according to a performance update obtained by Bloomberg. New York-based Pershing Square Capital Management LP declined to comment on the return.

Bloomberg Brief: Hedge Funds [Bloomberg via ValueWalk]