Københavns Lufthavne is a public limited company that operates two airports in Copenhagen, Denmark: Copenhagen Airport and Roskilde Airport. In addition, the company previously held a 49% stake in Newcastle International Airport and 10% of Aeropuertos del Sureste that operated nine airports in Mexico. The largest owners of Københavns Lufthavne are Macquarie Infrastructure Company and the Government of Denmark. The company was created by the government in 1925 to operate the airport. Until 1990 the company was a government enterprise called Københavns Lufthavnsvæsen. In 1990 it was transformed to a limited company. The government sold 25% of its stake in the company in 1994, and Københavns Lufthavne was listed on the Copenhagen Stock Exchange. In 1996 and 2000 the government sold additional 24% and 17%, respectively. Wikipedia