The Northampton (Mass.) Retirement System is searching for a manager to run its $61 million in pension assets in a balanced portfolio with a blended equity allocation, confirmed Barbara Weeks, administrator. The de Burlo Group, which currently manages the assets in a balanced portfolio that is 60% equities and 40% bonds, will be invited to rebid. The board issued the search as part of a broad review process. It is not using a consultant. The RFP may be downloaded at www.northamptonma.gov/gsuniverse/httpRoot/retirement. The deadline for proposals is Aug. 15; there's no timetable for making a selection.