Silverstein announced Monday that MSCI has agreed to occupy 125,000 square feet on floors 47 through 49 of 7 World Trade Center.
MSCI is a provider of investment decision support tools. MSCI indices are used to measure the performance of global equity portfolios.
The company will move its headquarters from 1 Chase Plaza and consolidate all New York employees to 7 World Trade Center by mid-2012.
Seven World Trade Center was completed in 2006. It replaced the old 7 World Trade Center, the last building that collapsed on Sept. 11, 2001.