Market capitalization of Exxon Mobil (XOM)

Market cap: £378.99 Billion

As of December 2025 Exxon Mobil has a market cap of £378.99 Billion. This makes Exxon Mobil the world's 18th 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 2025

End of year Market Cap

Year	Marketcap	Change
2025	£378.99 B	1.63%
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 Dec 9th, 2025 the market cap of Exxon Mobil was reported to be:

£374.86 Billion

by Nasdaq

£378.99 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Chevron CVX	£224.91 B	-40.65%	🇺🇸 USA
ConocoPhillips COP	£87.72 B	-76.85%	🇺🇸 USA
BP BP	£68.22 B	-82.00%	🇬🇧 UK
Phillips 66 PSX	£42.49 B	-88.79%	🇺🇸 USA
Hess HES	£34.63 B	-90.86%	🇺🇸 USA
Occidental Petroleum OXY	£30.77 B	-91.88%	🇺🇸 USA
HollyFrontier HFC	£4.45 B	-98.82%	🇺🇸 USA
Honeywell HON	£96.34 B	-74.58%	🇺🇸 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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