Kellanova (Kellogg's) (K) - Market capitalization

Market cap: £21.83 Billion

As of December 2025 Kellanova (Kellogg's) has a market cap of £21.83 Billion. This makes Kellanova (Kellogg's) the world's 797th 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 Kellanova (Kellogg's) from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£21.83 B	-2.08%
2024	£22.29 B	48.33%
2023	£15.03 B	-25.2%
2022	£20.09 B	23.44%
2021	£16.27 B	3.75%
2020	£15.69 B	-12.89%
2019	£18.01 B	16.64%
2018	£15.44 B	-11.13%
2017	£17.37 B	-17.1%
2016	£20.96 B	21.29%
2015	£17.28 B	15.82%
2014	£14.92 B	11.1%
2013	£13.43 B	7.6%
2012	£12.48 B	6.83%
2011	£11.68 B	-4.09%
2010	£12.18 B	-2.83%
2009	£12.53 B	9.79%
2008	£11.42 B	10.94%
2007	£10.29 B	1.28%
2006	£10.16 B	0.05%
2005	£10.15 B	5.73%
2004	£9.60 B	10.16%
2003	£8.72 B	0.05%
2002	£8.71 B	3.27%
2001	£8.44 B	18.32%
2000	£7.13 B	-7.73%
1999	£7.73 B	-6.97%
1998	£8.31 B	-33.01%
1997	£12.40 B	54.4%
1996	£8.03 B

End of Day market cap according to different sources

On Dec 8th, 2025 the market cap of Kellanova (Kellogg's) was reported to be:

£21.83 Billion

by Nasdaq

£21.83 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
General Mills GIS	£18.34 B	-15.95%	🇺🇸 USA
Mondelez International MDLZ	£52.64 B	141.14%	🇺🇸 USA
TreeHouse Foods THS	£0.90 B	-95.87%	🇺🇸 USA
Pepsico PEP	£148.90 B	582.02%	🇺🇸 USA
Hain Celestial HAIN	£70.14 M	-99.68%	🇺🇸 USA
Post Holdings POST	£3.96 B	-81.86%	🇺🇸 USA
Flowers Foods FLO	£1.68 B	-92.30%	🇺🇸 USA
Tyson Foods TSN	£14.84 B	-32.02%	🇺🇸 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 Kellanova (Kellogg's) (K)

Market cap: £21.83 Billion