Chicago Firm Increases Investment in Nu-Med

A Chicago investment firm has boosted its stake in Nu-Med Inc. to 9.2%, or the equivalent of 902,010 common shares, according to a filing with the Securities and Exchange Commission.

The firm--Golder, Thoma & Cressey--bought 83,000 additional Nu-Med shares between July 17 and Sept. 16 for $3 to $4 each, the filing stated.

Nu-Med, based in Encino, operates psychiatric hospitals, acute-care centers and other health-care facilities.