Cohen's SAC Capital Cuts Stake in Invitrogen (IVGN) to 5.3% Aug 12, 2008 05:49PM
Cohen's SAC Capital Raises Stake in Invitrogen (IVGN) from 5.2% to 6.9% Jul 28, 2008 05:24PM
Cohen's SAC Capital Discloses 5.2% Stake in Invitrogen (IVGN), Supports Merger With Applera Jul 1, 2008 05:28PM