Swiss Prime Site AG (SWX:SPSN) agree to acquire Schönbühl shopping centre in Lucerne on May 25, 2016. The acquisition volume of Swiss headquarters of Partners Group and Schönbühl shopping centre amounts to a total of CHF 115 million. Swiss Prime Site AG (SWX:SPSN) completed the acquisition of Schönbühl shopping centre in Lucerne on May 25, 2016.