Sixth Street, a global investment firm, and 60 Guilders, a real estate investor and manager, completed the acquisition of The Center Building in Long Island City for $173m. Sixth Street Real Estate invests in properties and provides financing solutions across the full range of real estate asset classes: office, residential, hospitality, industrial, and retail as well as niche assets. Sixth Street has a flexible mandate to invest up and down the capital structure including equity, preferred equity, and debt.