Chicago-based Acuity Capital Partners has purchased a six-building portfolio in Upper Manhattan for $30 million. The portfolio consists of 102 apartment units and 21 retail spaces. The buildings include 1697-1701 Amsterdam Ave. in Hamilton Heights, 2500-2504 Adam Clayton Powell Blvd. in Harlem and 2090-2093 Amsterdam Ave. in Washington Heights. The portfolio sold for 12.88 times its current rent roll. Peter Vanderpool and Lazer Sternhell of Cignature Realty Associates represented the buyer and seller, a local real estate investor, in the deal.