Realty Income (O) - Market capitalization

Market cap: S$77.24 Billion

As of March 2026 Realty Income has a market cap of S$77.24 Billion. This makes Realty Income the world's 382th 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 2026

End of year Market Cap

Year	Marketcap	Change
2026	S$77.24 B	15.36%
2025	S$66.95 B	6.88%
2024	S$62.64 B	14.11%
2023	S$54.90 B	2.95%
2022	S$53.32 B	-2.61%
2021	S$54.75 B	89.68%
2020	S$28.86 B	-12.83%
2019	S$33.11 B	26.6%
2018	S$26.15 B	21.73%
2017	S$21.49 B	-0.11%
2016	S$21.51 B	17.63%
2015	S$18.28 B	29%
2014	S$14.17 B	44.46%
2013	S$9.81 B	49.54%
2012	S$6.56 B	8.81%
2011	S$6.03 B	15.96%
2010	S$5.20 B	37.1%
2009	S$3.79 B	9.89%
2008	S$3.45 B	-12.17%
2007	S$3.93 B	-8.15%
2006	S$4.27 B	42.03%
2005	S$3.01 B	-7.92%
2004	S$3.27 B	27%
2003	S$2.57 B	8.88%
2002	S$2.36 B	32.44%
2001	S$1.78 B	56.01%
2000	S$1.14 B	24.33%
1999	S$0.92 B	-16.37%
1998	S$1.10 B	-0.08%
1997	S$1.10 B	43.55%
1996	S$0.76 B

End of Day market cap according to different sources

On Mar 10th, 2026 the market cap of Realty Income was reported to be:

S$76.96 Billion

by Nasdaq

S$77.24 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Walmart WMT	S$1.269 T	1,543.08%	🇺🇸 USA
Dollar General DG	S$40.88 B	-47.07%	🇺🇸 USA
CVS Health CVS	S$123.52 B	59.92%	🇺🇸 USA
AMC Entertainment AMC	S$0.74 B	-99.03%	🇺🇸 USA
Rite Aid RAD	S$46.76 M	-99.94%	🇺🇸 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: S$77.24 Billion