GM Building: Who works in the most valuable US trophy tower?

A breakdown of the billionaire hedge funders and white-shoe firms in the Fifth Avenue icon

The GM Building's owners: Moise Safra, Mort Zuckerman and Zhang Xin
The GM Building's owners: Moise Safra, Mort Zuckerman and Zhang Xin

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From the April issue: In 2008, developer Harry Macklowe was faced with $7 billion in debt and was forced to give up his crown jewel, the 50-story, 1.82 million-square-foot GM Building at 767 Fifth Avenue. A group led by Boston Properties’ Mort Zuckerman paid $2.8 billion for the tower, about twice what Macklowe had paid just five years earlier. [more]