Reichmann's family, the high-flying Canadian developers of the 1980s, currently own about 6.5 percent of Canary Warf.

CNN: Canary to buy back stock

Canary Warf said about 96 percent of its 13.5-million square foot site near the Thames in east London was now completed or under development, and 90 percent was leased.

CNN: Canary to buy back stock