Bellevue Healthcare Trust PLC announced the proposed appointment of Columbia Threadneedle Investments as its investment manager, shifting to a long/short equity strategy based on Columbia Threadneedle's Seligman Healthcare Strategy. The company will be renamed CT Healthcare Trust plc, pending approvals. The Seligman Healthcare Strategy has delivered a performance of +70.8% since inception, significantly outperforming the Russell 3000 Health Care Index, which returned +2.8% over the same period.