AerCap (AER) - Market capitalization

Market cap: £18.72 Billion

As of December 2025 AerCap has a market cap of £18.72 Billion. This makes AerCap the world's 920th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of AerCap from 2006 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£18.72 B	29.7%
2024	£14.43 B	22.36%
2023	£11.79 B	-0.45%
2022	£11.85 B	-0.13%
2021	£11.86 B	173.52%
2020	£4.33 B	-29.66%
2019	£6.16 B	38.58%
2018	£4.45 B	-27.64%
2017	£6.15 B	0.36%
2016	£6.12 B	5.04%
2015	£5.83 B	10.22%
2014	£5.29 B	100.12%
2013	£2.64 B	174.91%
2012	£0.96 B	-11.23%
2011	£1.08 B	-20.59%
2010	£1.36 B	186.7%
2009	£0.47 B	172.61%
2008	£0.17 B	-80.45%
2007	£0.89 B	-11.23%
2006	£1.00 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of AerCap was reported to be:

£19.61 Billion

by Nasdaq

£18.72 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Textainer Group TGH	£1.55 B	-91.71%	🇧🇲 Bermuda
Air Lease Corporation AL	£5.36 B	-71.38%	🇺🇸 USA
Willis Lease Finance Corporation WLFC	£0.75 B	-95.99%	🇺🇸 USA
General Electric GE	£225.87 B	1,106.26%	🇺🇸 USA
FLY Leasing FLY.defunct	£0.38 B	-97.92%	🇮🇪 Ireland

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of AerCap (AER)

Market cap: £18.72 Billion