Gartmore deal boosts Henderson’s hedge fund business

Henderson Global Investors' acquisition of Gartmore Group creates a company with £78 billion in combined assets under management, of which over £6 billion will be in absolute return products.

Gartmore began searching for a buyer in November 2010 after its chief investment officer and two of its top portfolio managers quit the company earlier in the year, resulting in a sharp loss of assets under management.

Portfolio manager Guillaume Rambourg resigned in July 2010 after he was found to have