According to Winthrop Realty Trust, it has acquired a first mortgage loan secured by a 326,000 s/f commercial building containing 47,000 sq/f of retail and 279,000 s/f of office space that is currently 74.4% leased. The loan, which is currently in maturity default, has an outstanding balance, inclusive of interest, default interest and late charges, of $44.9 million and was acquired for $42.8 million. Winthrop Realty Trust is a NYSE-listed real estate investment trust (REIT) headquartered in Boston, Massachusetts.