What is Realty Income's market cap?

Realty Income (O) has a market capitalization of $56.22B as of June 15, 2026. Market cap is the total market value of the company's outstanding shares (share price × shares outstanding), shown here in US dollars (USD).

How is Realty Income's market cap calculated, and what currency is it in?

Market capitalization is calculated by multiplying Realty Income's share price by its total shares outstanding. Although Realty Income reports its financial statements in USD, market cap on this page is shown in US dollars (USD) for comparability with other companies.

What is the highest market cap Realty Income has reached?

Realty Income (O) reached its all-time high market cap of $61.13B on March 2, 2026, based on daily closing values in our history.

What is the lowest market cap Realty Income has reached?

Realty Income (O) recorded its all-time low market cap of $826.77M on November 15, 2001 in the available daily history.

Is Realty Income's market cap above or below its 5-year average?

At $56.22B, Realty Income's market cap is currently above its five-year average of $42.68B.

What was Realty Income's market cap in 2025?

Realty Income (O) ended 2025 with a market cap of $51.00B.

What was Realty Income's market cap in 2026?

Realty Income (O) ended 2026 with a market cap of $56.22B.

Realty Income (O) Market Cap History

Current

$56.22B

As of Jun 15, 2026

5-Year Average

$42.68B

All-Time High

$61.13B

Mar 2, 2026

All-Time Low

$826.77M

Nov 15, 2001

Market cap daily chart for Realty Income (O)

Jun 16, 2021 – Jun 15, 2026 · 1,255 trading days

Market Cap growth chart for Realty Income (O) from 1994 to 2026

Latest: +10.2%

Market Cap history table for Realty Income (O) from 1994 to 2026


2026	$56.22B	+10.2%	+$5.22B	Jun 15, 2026	May 7, 2026
2025	$51.00B	+8.9%	+$4.17B	Dec 31, 2025	Feb 25, 2026
2024	$46.83B	+17.7%	+$7.04B	Dec 31, 2024	Feb 25, 2025
2023	$39.79B	+2.5%	+$962.80M	Dec 31, 2023	Feb 21, 2024
2022	$38.83B	+30.8%	+$9.14B	Dec 31, 2022	Feb 22, 2023
2021	$29.69B	+42.8%	+$8.90B	Dec 31, 2021	Feb 23, 2022
2020	$20.79B	-7.8%	−$1.75B	Dec 31, 2020	Feb 23, 2021
2019	$22.54B	+27.4%	+$4.84B	Dec 31, 2019	Feb 24, 2020
2018	$17.70B	+17.0%	+$2.57B	Dec 31, 2018	Feb 22, 2019
2017	$15.13B	+6.3%	+$898.74M	Dec 31, 2017	Feb 22, 2018
2016	$14.23B	+20.5%	+$2.42B	Dec 31, 2016	Feb 23, 2017
2015	$11.81B	+16.9%	+$1.70B	Dec 31, 2015	Feb 11, 2016
2014	$10.11B	+45.8%	+$3.17B	Dec 31, 2014	Feb 18, 2015
2013	$6.93B	+34.0%	+$1.76B	Dec 31, 2013	Feb 14, 2014
2012	$5.17B	+21.1%	+$903.03M	Dec 31, 2012	Feb 14, 2013
2011	$4.27B	+21.7%	+$762.69M	Dec 31, 2011	Feb 13, 2012
2010	$3.51B	+35.0%	+$909.97M	Dec 31, 2010	Feb 10, 2011
2009	$2.60B	+14.5%	+$329.72M	Dec 31, 2009	Feb 11, 2010
2008	$2.27B	-13.6%	−$356.61M	Dec 31, 2008	Feb 12, 2009
2007	$2.63B	+8.9%	+$214.15M	Dec 31, 2007	Feb 15, 2008
2006	$2.41B	+43.6%	+$732.02M	Dec 31, 2006	Feb 21, 2007
2005	$1.68B	-12.7%	−$245.32M	Dec 31, 2005	Feb 23, 2006
2004	$1.92B	+39.5%	+$545.30M	Dec 31, 2004	Mar 4, 2005
2003	$1.38B	+19.7%	+$227.38M	Dec 31, 2003	Feb 19, 2004
2002	$1.15B	+43.1%	+$346.85M	Dec 31, 2002	Mar 5, 2003
2001	$805.35M	+24.7%	+$159.54M	Dec 31, 2001	Dec 19, 2002
2000	$645.80M	+20.0%	+$107.75M	Dec 31, 2000	Mar 28, 2001
1999	$538.06M	-16.1%	−$103.39M	Dec 31, 1999	Mar 23, 2000
1998	$641.45M	+10.7%	+$62.08M	Dec 31, 1998	Mar 24, 1999
1997	$579.37M	+9.1%	+$48.13M	Dec 31, 1997	Mar 20, 1998
1996	$531.25M	+23.3%	+$100.43M	Dec 31, 1996	Mar 26, 1997
1995	$430.81M	+33.1%	+$107.21M	Dec 31, 1995	Mar 21, 1996
1994	$323.61M	—	—	Dec 31, 1994	Dec 31, 1994

2026$56.22B+10.2%
2025$51.00B+8.9%
2024$46.83B+17.7%
2023$39.79B+2.5%
2022$38.83B+30.8%
2021$29.69B+42.8%
2020$20.79B-7.8%
2019$22.54B+27.4%
2018$17.70B+17.0%
2017$15.13B+6.3%
2016$14.23B+20.5%
2015$11.81B+16.9%
2014$10.11B+45.8%
2013$6.93B+34.0%
2012$5.17B+21.1%
2011$4.27B+21.7%
2010$3.51B+35.0%
2009$2.60B+14.5%
2008$2.27B-13.6%
2007$2.63B+8.9%
2006$2.41B+43.6%
2005$1.68B-12.7%
2004$1.92B+39.5%
2003$1.38B+19.7%
2002$1.15B+43.1%
2001$805.35M+24.7%
2000$645.80M+20.0%
1999$538.06M-16.1%
1998$641.45M+10.7%
1997$579.37M+9.1%
1996$531.25M+23.3%
1995$430.81M+33.1%
1994$323.61M—

Market Cap values are taken from Realty Income's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Market Cap at Realty Income (O)

According to Realty Income's latest reported financial statements, the company's latest reported market cap is $55.35B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).

Headline figure above is from the reporting period ending March 31, 2026 (reported May 7, 2026). Chart and table below cover the full reported history back to 1994.

As of the 2026 fiscal year, Realty Income (O) reported market cap of $56.22B – grew 10.2% year-over-year.

Through 2021–2026 (5 years), Realty Income market cap delivered a +13.6% annualised rate; sustaining 6 straight years of year-over-year growth.

The highest annual market cap of $56.22B was reported in 2026. The lowest in the available history was $323.61M in 1994.

Realty Income Market Cap by Year

Realty Income Market Cap 2026: $56.22B

In 2026, Realty Income reported market cap of $56.22B, grew 10.2% from 2025. This figure represents the highest annual value in the available history.

Realty Income Market Cap 2025: $51.00B

Realty Income market cap in 2025 was $51.00B, grew 8.9% from 2024.

Realty Income Market Cap 2024: $46.83B

2024's market cap for Realty Income came in at $46.83B, grew 17.7% from 2023.

Realty Income Market Cap 2023: $39.79B

Realty Income posted market cap of $39.79B in 2023, edged up 2.5% from 2022.

Realty Income Market Cap 2022: $38.83B

Realty Income market cap in 2022 was $38.83B.

See more financial history for Realty Income (O).

Sector peers by Market Cap

Real Estate peers of Realty Income (O), ranked by their latest market cap


Welltower (WELL)	$150.23B
Prologis (PLD)	$138.45B
Equinix (EQIX)	$104.97B
American Tower (AMT)	$86.54B
Simon Property Group (SPG)	$69.93B
Digital Realty Trust (DLR)	$64.97B
Public Storage (PSA)	$56.35B
Ventas (VTR)	$40.58B

Frequently asked questions

Realty Income (O) Key Financials

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