Sydney Airport (SYD.AX) - Market capitalization

Last known market cap: $34.81 Billion USD

As of February 2026 Sydney Airport has a market cap of $34.81 Billion USD. This makes Sydney Airport the world's 723th 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 Sydney Airport from 2002 to 2022

End of year Market Cap

Year	Marketcap	Change
2022	$34.81 B	2.49%
2021	$33.96 B	155.35%
2020	$13.30 B	-2.87%
2019	$13.69 B	28.07%
2018	$10.69 B	-13.51%
2017	$12.36 B	26.8%
2016	$9.75 B	-5.46%
2015	$10.31 B	20.73%
2014	$8.54 B	14.86%
2013	$7.43 B	13.77%
2012	$6.53 B	30.21%
2011	$5.02 B	-11.18%
2010	$5.65 B	11.58%
2009	$5.06 B	74.59%
2008	$2.90 B	-52.32%
2007	$6.08 B	28.9%
2006	$4.72 B	20.8%
2005	$3.90 B	11.95%
2004	$3.49 B	143.11%
2003	$1.43 B	91.08%
2002	$0.75 B

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 Sydney Airport (SYD.AX)