article_snippet: Blackstone Group Blackstone Group said Monday that Blackstone Group is buying the iconic 110-story Willis Tower in Chicago, the second-tallest building in the United States.
article_snippet: Blackstone gave no price for the purchase from the current owners, 233 South Wacker LLC, but various U.S. media reports put the deal at $1.3billion.
article_snippet: Blackstone Group announced on Monday that Blackstone Group is buying Chicago's Sears Tower (center), reportedly for $1.3billion .
article_snippet: The purchase adds 3.8million square feet of space  to New York-based Blackstone's huge investment portfolio of real estate and related businesses around the world, including Hilton Worldwide, Invitation Homes, and Chinese shopping malls owner SCP.
article_snippet: Blackstone says in all Blackstone has $81billion in investor capital under management.
highlights_snippet: Blackstone Group said Monday Blackstone Group is buying the 110-story building .
  
highlights_snippet: Purchase adds 3.8million square feet of space to New York-based Blackstone's huge investment portfolio .