Qatar Airways held more than 21.2 % of International Airlines Group 's shares as of November 29 , 2018 .
It has secondary listings on the Madrid , Barcelona , Bilbao and Valencia stock exchanges , and has been a constituent of the IBEX 35 index since 1 April 2011.Qatar Airways is a minority shareholder , and held 21.426 % of the shares on 29 November 2018.
International Airlines Group