In Massachusetts, the median public pension fund returned -8.7% in 2002, according to the Massachusetts Public Employees Retirement Administration Commission, Somerville, the body that oversees the state's 106 funds. The largest plan, the $27 billion Massachusetts Pension Reserves Investment Trust, returned -8.9%. Top-performing funds were the $14 million Maynard Retirement System, which returned -1.9%, and the $41 million Milford Retirement System, -2.7%. The worst-performing funds were the $100 million Hampshire County Retirement System, Northampton, which returned -13.3%, and the $94 million Arlington Retirement System, -12.6%. The median public fund in Wilshire Associates' TUCS universe returned -9% in 2002.