Market capitalization of Realty Income (O)

Market cap: NZ$98.04 Billion

As of September 2026 Realty Income has a market cap of NZ$98.04 Billion. This makes Realty Income the world's 438th 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	NZ$98.04 B	8.89%
2025	NZ$90.04 B	10.19%
2024	NZ$81.72 B	24.32%
2023	NZ$65.73 B	4.91%
2022	NZ$62.65 B	5.66%
2021	NZ$59.29 B	96.08%
2020	NZ$30.24 B	-17.09%
2019	NZ$36.47 B	27.77%
2018	NZ$28.54 B	26.18%
2017	NZ$22.62 B	5.43%
2016	NZ$21.45 B	13.6%
2015	NZ$18.89 B	37.95%
2014	NZ$13.69 B	45.28%
2013	NZ$9.42 B	44.49%
2012	NZ$6.52 B	9.32%
2011	NZ$5.96 B	14.01%
2010	NZ$5.23 B	40.68%
2009	NZ$3.72 B	-10.56%
2008	NZ$4.15 B	16.65%
2007	NZ$3.56 B	-9.99%
2006	NZ$3.96 B	49.62%
2005	NZ$2.64 B	-5.81%
2004	NZ$2.81 B	20.49%
2003	NZ$2.33 B	-10.48%
2002	NZ$2.60 B	12.11%
2001	NZ$2.32 B	55.88%
2000	NZ$1.49 B	40.86%
1999	NZ$1.05 B	-16.37%
1998	NZ$1.26 B	12.36%
1997	NZ$1.12 B	45.07%
1996	NZ$0.77 B

End of Day market cap according to different sources

On Aug 31st, 2026 the market cap of Realty Income was reported to be:

NZ$98.06 Billion

by Nasdaq

NZ$98.04 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Walmart WMT	NZ$1.406 T	1,334.89%	🇺🇸 USA
Dollar General DG	NZ$47.28 B	-51.77%	🇺🇸 USA
CVS Health CVS	NZ$203.09 B	107.14%	🇺🇸 USA
AMC Entertainment AMC	NZ$3.98 B	-95.94%	🇺🇸 USA
Rite Aid RAD	NZ$62.15 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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