After all, if we accept the logic that marcoms holding companies need to beef up to match the muscle of Google or a possible Time Warner/Fox, then IPG is a covetable partner. Elliott Management Corporation is said to be pushing Interpublic Group to investigate a sale, and soon Which seems to be exactly the view of the billionaire investor Paul Singer and his Elliott Management Corporation, which was confirmed last week as soaking up just under 7 per cent of IPG in shares and options. Singer has a long history of aggressively demanding significant new efficiencies or asset disposal, and it's likely the IPG investment will come with similar pressures attached: EMC is said to be pushing IPG to investigate a sale, and soon.