FWM Holdings, the parent company of multi-family office Forbes Family Trust and LGL Partners, is to buy the $2 billion alternative asset manager Optima Fund Management. Financial and legal terms of the deal, which is expected to close in the third quarter of this year, were not disclosed. New York-based Optima, which manages about $2 billion in assets, is a fund of hedge funds. It offers long/short equity, global macro and multi-strategy multi-manager hedge funds as well as advisory services and single-manager hedge funds.