Realty Income (O) - Market capitalization

Market cap: £38.61 Billion

As of March 2025 Realty Income has a market cap of £38.61 Billion. This makes Realty Income the world's 401th 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 Realty Income from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£38.61 B	5.13%
2024	£36.72 B	12.56%
2023	£32.62 B	-0.77%
2022	£32.88 B	9.58%
2021	£30.00 B	87.43%
2020	£16.00 B	-14.54%
2019	£18.73 B	24.18%
2018	£15.08 B	26.88%
2017	£11.88 B	-1.31%
2016	£12.04 B	38.08%
2015	£8.72 B	26.6%
2014	£6.89 B	46.76%
2013	£4.69 B	41.43%
2012	£3.32 B	10.81%
2011	£2.99 B	14.55%
2010	£2.61 B	56.64%
2009	£1.66 B	1.39%
2008	£1.64 B	19.79%
2007	£1.37 B	-3.5%
2006	£1.42 B	35.77%
2005	£1.04 B	0.45%
2004	£1.04 B	23.24%
2003	£0.84 B	-0.33%
2002	£0.85 B	27.77%
2001	£0.66 B	50.36%
2000	£0.44 B	29.31%
1999	£0.34 B	-14.66%
1998	£0.40 B	0.81%
1997	£0.39 B	24.2%
1996	£0.32 B

End of Day market cap according to different sources

On Mar 12th, 2025 the market cap of Realty Income was reported to be:

£38.79 Billion

by Yahoo Finance

£38.79 Billion

by CompaniesMarketCap

£38.80 Billion

by Nasdaq

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
CVS Health CVS	£63.52 B	64.52%	🇺🇸 USA
Dollar General DG	£13.17 B	-65.88%	🇺🇸 USA
Walmart WMT	£520.92 B	1,249.15%	🇺🇸 USA
Rite Aid RAD	£28.37 M	-99.93%	🇺🇸 USA
AMC Entertainment AMC	£0.95 B	-97.53%	🇺🇸 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 Realty Income (O)

Market cap: £38.61 Billion