Aug 6, 2015
Bill Ackman's hedge fund has bought a $5.5 billion stake in food giant Mondelez.
Apr 22, 2014
A new study says activist investors generated 48 percent average gain for companies they targeted.
Aug 15, 2013
It’s been a big week for activist investors -- with Bill Ackman resigning from J.C. Penney’s board and Carl Icahn taking a big stake in Apple.