Principal European Office Fund bought the property located at Via Giovanni Battista Pirelli 18 for €34m. : A fund managed by Principal Real Estate Europe has bought an office property in Milan’s office district from Amundi Real Estate Italia SGR. Principal European Office Fund bought the property located at Via Giovanni Battista Pirelli 18 for €34m. The 7,000sqm office building is fully let to a single tenant. Late last year, US investment manager Principal Global Investors merged its real estate arm with Internos Global Investors to create Principal Real Estate Europe.