Market capitalization of Exxon Mobil (XOM)

Market cap: £454.04 Billion

As of July 2026 Exxon Mobil has a market cap of £454.04 Billion. This makes Exxon Mobil the world's 22th 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 Exxon Mobil from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£454.04 B	20.42%
2025	£377.06 B	1.11%
2024	£372.92 B	18.9%
2023	£313.65 B	-16.46%
2022	£375.47 B	95.4%
2021	£192.15 B	50.28%
2020	£127.86 B	-43.25%
2019	£225.30 B	-1.01%
2018	£227.61 B	-13.2%
2017	£262.21 B	-13.55%
2016	£303.33 B	38.76%
2015	£218.60 B	-12.37%
2014	£249.45 B	-6.2%
2013	£265.95 B	10.32%
2012	£241.07 B	-7.77%
2011	£261.38 B	10.83%
2010	£235.83 B	18.4%
2009	£199.19 B	-28.11%
2008	£277.06 B	9.16%
2007	£253.81 B	13.25%
2006	£224.12 B	12.19%
2005	£199.76 B	16.88%
2004	£170.91 B	13.53%
2003	£150.54 B	2.93%
2002	£146.25 B	-20.76%
2001	£184.56 B	-8.56%
2000	£201.83 B	16.42%
1999	£173.36 B	62.36%
1998	£106.77 B	16.67%
1997	£91.51 B	28.75%
1996	£71.08 B

End of Day market cap according to different sources

On Jul 18th, 2026 the market cap of Exxon Mobil was reported to be:

£454.04 Billion

by Nasdaq

£454.04 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
BP BP	£80.20 B	-82.33%	🇬🇧 UK
ConocoPhillips COP	£103.88 B	-77.12%	🇺🇸 USA
Occidental Petroleum OXY	£40.56 B	-91.07%	🇺🇸 USA
Phillips 66 PSX	£61.65 B	-86.42%	🇺🇸 USA
Chevron CVX	£277.41 B	-38.90%	🇺🇸 USA
Honeywell HON	£52.99 B	-88.33%	🇺🇸 USA
Hess HES	£34.24 B	-92.46%	🇺🇸 USA
HollyFrontier HFC	£4.40 B	-99.03%	🇺🇸 USA

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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