On October 2005, the company securitized a portfolio of 42 aircraft worth $1.4 billion, composed of 14 A320s, 10 A321s and 8 Boeing 737s, which were on lease to 19 lessees. On November 24, 2005, the company signed a letter of intent to purchase 70 Airbus A320 Family aircraft. Its fleet is composed of 337 aircraft with a total value of US$10 billion. Of the 337, around 250 are owned by the company and the remaining are managed by AerCap on behalf of third party investors and companies.
On December 16, 2013, AerCap agreed to buy International Lease Finance Corporation (ILFC) with value around $5.4 billion, $3 billion is paid by cash and the rest with AerCap common shares newly issued. The deal gives AerCap $41 billion in total assets and a fleet of over 1,300 aircraft compared to GE Capital Aviation Services with a fleet of about 1,700 aircraft. It is subject to approval of AerCap's shareholders and regulatory approval which were expected to be finished in Q2 2014. American International Group as the mother of ILFC will carry of 46 percent shares of the combined company and the rest will be held by existing AerCap shareholders.