Halliburton (HAL) - Market capitalization

Market cap: £26.82 Billion

As of May 2026 Halliburton has a market cap of £26.82 Billion. This makes Halliburton the world's 689th 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 Halliburton from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£26.82 B	51.56%
2025	£17.70 B	-5.61%
2024	£18.75 B	-26.16%
2023	£25.39 B	-14.01%
2022	£29.53 B	94.75%
2021	£15.16 B	23.73%
2020	£12.25 B	-25.19%
2019	£16.38 B	-10.17%
2018	£18.23 B	-42.19%
2017	£31.55 B	-16.74%
2016	£37.89 B	92.72%
2015	£19.66 B	-8.21%
2014	£21.42 B	-17.99%
2013	£26.12 B	31.01%
2012	£19.93 B	-2.41%
2011	£20.43 B	-15.12%
2010	£24.06 B	43.5%
2009	£16.77 B	51.29%
2008	£11.08 B	-33.99%
2007	£16.79 B	6.17%
2006	£15.82 B	-14.34%
2005	£18.46 B	104.42%
2004	£9.03 B	40.56%
2003	£6.42 B	25.93%
2002	£5.10 B	30.16%
2001	£3.92 B	-62.19%
2000	£10.37 B	-5.81%
1999	£11.01 B	40.45%
1998	£7.83 B	-5.36%
1997	£8.28 B	87.88%
1996	£4.40 B

End of Day market cap according to different sources

On May 19th, 2026 the market cap of Halliburton was reported to be:

£26.82 Billion

by Nasdaq

£26.82 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
NOV NOV	£5.62 B	-79.05%	🇺🇸 USA
SLB (Schlumberger) SLB	£63.41 B	136.38%	🇺🇸 USA
Newpark Resources NR	£0.46 B	-98.25%	🇺🇸 USA
Oceaneering International OII	£2.83 B	-89.44%	🇺🇸 USA
RPC, Inc. RES	£1.18 B	-95.58%	🇺🇸 USA
Tetra Technologies TTI	£1.04 B	-96.11%	🇺🇸 USA
SEACOR Holdings CKH	£0.63 B	-97.63%	🇺🇸 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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Market capitalization of Halliburton (HAL)

Market cap: £26.82 Billion