Icahn re-loading?

A recent SEC filing indicates Carl Icahn may have sold his entire stake in Biogen Idec Inc. (NASDAQ:BIIB), as well as in four other biotechs. The news could give the activist investor plenty more cash and board representatives to redeploy.

Icahn reduced his position in Biogen Idec from 16.1 million shares in January 2010 to 8.2 million by June 22 of this year. A 13-F filing posted on SEC's webiste this month suggests he sold the remainder of his shares prior to June 30...