Market capitalization of Rio Tinto (RIO)

Market cap: HK$1.043 Trillion

As of December 2025 Rio Tinto has a market cap of HK$1.043 Trillion. This makes Rio Tinto the world's 146th 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 Rio Tinto from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$1.043 T	41%
2024	HK$740.31 B	-21.54%
2023	HK$943.55 B	4.64%
2022	HK$901.68 B	8.16%
2021	HK$833.68 B	14.66%
2020	HK$727.09 B	-5.55%
2019	HK$769.79 B	22%
2018	HK$630.97 B	13.69%
2017	HK$554.99 B	35.35%
2016	HK$410.05 B	33.23%
2015	HK$307.76 B	-39.08%
2014	HK$505.22 B	-18.27%
2013	HK$618.16 B	-2.72%
2012	HK$635.44 B	16.42%
2011	HK$545.82 B	-35.87%
2010	HK$851.17 B	33.77%
2009	HK$636.28 B	206.58%
2008	HK$207.54 B	-78.99%
2007	HK$988.05 B	92.99%
2006	HK$511.96 B	11.73%
2005	HK$458.23 B	53.04%
2004	HK$299.42 B	7.51%
2003	HK$278.50 B	39.27%
2002	HK$199.97 B	1.67%
2001	HK$196.70 B	8.74%
2000	HK$180.89 B	-23.48%
1999	HK$236.40 B	109.79%
1998	HK$112.68 B	-13.38%
1997	HK$130.09 B	-18.9%
1996	HK$160.41 B

End of Day market cap according to different sources

On Dec 26th, 2025 the market cap of Rio Tinto was reported to be:

HK$801.47 Billion

by Nasdaq

HK$1.043 Trillion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
BHP Group BHP	HK$1.235 T	18.35%	🇦🇺 Australia
Vale VALE	HK$439.90 B	-57.86%	🇧🇷 Brazil
Freeport-McMoRan FCX	HK$591.83 B	-43.30%	🇺🇸 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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