1900 K Street is owned by Nuveen Real Estate a national financial service organization with $453 billion in combined assets under management that is the leading provider of retirement services in the academic, research, medical, governmental, and cultural fields. In 1947, Nuveen Real Estate began direct investment in commercial real estate and since then has become one of the largest institutional real estate investors in the United States, with an approximately $46 billion global portfolio of direct and indirect investments.

Today, on behalf of the individuals, public and private institutions in the U.S. and abroad, Nuveen Real Estate directly owns over $14 billion of primarily high-quality properties in the office, retail, industrial and multifamily sectors across the U.S., Canada and Western Europe.