EasyJet (styled as easyJet; ) is a British low-cost airline carrier based at London Luton Airport. Owing to its all-economy class fleet, it is the largest UK airline by number of passengers carried. It operates domestic and international scheduled services on over 700 routes in 32 countries. EasyJet plc is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index. EasyGroup Holdings Ltd (the investment vehicle of EasyJet founder Sir Stelios Haji-Ioannou and his family) is the largest shareholder with a 34.62% stake (as of July 2014). It employs nearly 11,000 people, based throughout Europe but mainly in the UK.