The IQ-quarter (Russian: IQ-квартал, romanized: IQ-kvartal) is a mixed-use complex composed of two skyscrapers and a high-rise located on plot 11 in the Moscow International Business Center (MIBC) in Moscow, Russia with a total area of 201,430 m2 (2,168,174 sq ft).

Using 1,137 hectares, the company planned to build two office towers (122,450 m2 (1,318,041 sq ft)) and a 4 star hotel with 390 rooms.

Almost a year later, the company managed to raise $355 million with the help of Belgian financial institutions under the contracts issued by VTB.

[6] On 11 December 2014, the art piece Eye of Sauron was planned to be installed roof of the complex to go along with the Russian premiere of the film The Hobbit: The Battle of the Five Armies.

In November, it became known that Russian banking company Rosselkhozbank is negotiating the purchase of a 34-story tower with a leasable area of 44,300 m2 (476,841 sq ft).

[11] It was struck again the next day, this time on the 21st floor, and lost 150 square metres (1,600 sq ft) of glazing in a large explosion and the resultant fire.