Cathay Pacific is reciprocally one of the major shareholders of Air China. On 6 November 2017, Qatar Airways acquired a 9.6% shareholding of Cathay Pacific, becoming its 3rd largest shareholder. Cathay Pacific is the world's tenth largest airline measured in terms of sales, and fourteenth largest measured in terms of market capitalisation. In 2010, Cathay Pacific became the world's largest international cargo airline, along with main hub Hong Kong International Airport as the world's busiest airport in terms of cargo traffic. It is one of the founding members of the Oneworld alliance. Cathay Pacific's subsidiary Cathay Dragon is an affiliate member of
Cathay Dragon Oneworld alliance as an affiliated member on 1 November, which its parent is a founding member. In addition, they opened the first airline-branded arrival lounge, "The Arrival", at Hong Kong International Airport on 1 October 2008. The airline's ground handling services subsidiary, Hong Kong International Airport Services Ltd (HIAS), was merged with Hong Kong Airport Services Ltd (HAS) on 1 November 2008 and became a wholly owned subsidiary of Cathay Pacific on 1 December 2008. In January 2016, Cathay Pacific announced it was rebranding Dragonair as Cathay Dragon. The Cathay Dragon brand became active on 21 November 2016. The airline