ADQ and Patrick Drahi completed a $1bn investment in Sotheby’s.

ADQ, an Abu Dhabi-based investment and holding company, and Patrick Drahi, a media and telecom entrepreneur, completed a $1bn investment in Sotheby’s, an auction house. "We are delighted to welcome ADQ as a shareholder to Sotheby’s. We embrace their long-term vision of our business, and this investment is a testament to what we have achieved so far as well as our significant potential for future growth. The additional capital and investment expertise will enable us to accelerate our strategic initiatives, expand our commitment to excellence in the art and luxury markets, and continue to innovate to better serve our clients around the world," Charles F. Stewart, Sotheby’s CEO.