Canadian National Railway (CNI) - Market capitalization

Market cap: £46.12 Billion

As of December 2025 Canadian National Railway has a market cap of £46.12 Billion. This makes Canadian National Railway the world's 365th 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 Canadian National Railway from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£46.12 B	-10.14%
2024	£51.33 B	-19.76%
2023	£63.97 B	-3.97%
2022	£66.61 B	5.28%
2021	£63.27 B	10.66%
2020	£57.17 B	16.76%
2019	£48.96 B	15.14%
2018	£42.53 B	-6.59%
2017	£45.53 B	9.39%
2016	£41.62 B	40.31%
2015	£29.66 B	-17.21%
2014	£35.83 B	25.12%
2013	£28.63 B	19.01%
2012	£24.06 B	7.11%
2011	£22.46 B	13.81%
2010	£19.74 B	23.85%
2009	£15.93 B	35.62%
2008	£11.75 B	2.53%
2007	£11.46 B	1.83%
2006	£11.25 B	-9.58%
2005	£12.44 B	37.82%
2004	£9.03 B	34.78%
2003	£6.70 B	30.91%
2002	£5.11 B	-20.22%
2001	£6.41 B	69.25%
2000	£3.79 B	15.09%
1999	£3.29 B	10.16%
1998	£2.99 B	21.51%
1997	£2.46 B	38.67%
1996	£1.77 B

End of Day market cap according to different sources

On Dec 6th, 2025 the market cap of Canadian National Railway was reported to be:

£45.31 Billion

by Nasdaq

£46.12 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Norfolk Southern NSC	£49.51 B	7.35%	🇺🇸 USA
CSX Corporation CSX	£50.76 B	10.05%	🇺🇸 USA
Kansas City Southern KSU	£20.03 B	-56.56%	🇺🇸 USA
Union Pacific Corporation UNP	£104.69 B	126.98%	🇺🇸 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 Canadian National Railway (CNI)

Market cap: £46.12 Billion