Market Cap for Realty Income (O)
According to Realty Income's latest reported financial statements, the company's latest reported market cap is $51.00B USD. 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 (reported ). Chart and table below cover the full reported history back to .
Currently viewingMarket CapSwitch metric
Latest period
$51.00B
YoY change
+12.3%
5Y CAGR
+14.0%
Peak year (2026)
$57.26B
Latest annual
$57.26B
Market Cap history chart for Realty Income (O) from 1994 to 2026
Market Cap history table for Realty Income (O) from 1994 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $57.26B | +12.3% | ||
| 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 (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
As of the 2026 fiscal year, Realty Income (O) reported market cap of $57.26B – grew 12.3% year-over-year.
Through 2021–2026 (5 years), Realty Income market cap delivered a +14.0% annualised rate; sustaining 6 straight years of year-over-year growth.
The highest annual market cap of $57.26B was reported in 2026. The lowest in the available history was $323.61M in 1994.
Realty Income (O) sits 7th of 8 Real Estate peers we track on this metric, against a peer median of $75.03B.
Realty Income Market Cap by Year
Realty Income Market Cap 2026: $57.26B
Realty Income market cap in 2026 was $57.26B, grew 12.3% 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
Realty Income market cap in 2024 was $46.83B, grew 17.7% from 2023.
Realty Income Market Cap 2023: $39.79B
Realty Income market cap in 2023 was $39.79B, 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 — Market Cap
Companies in the same sector as Realty Income, ranked by their latest market cap.
| Company | Market Cap | Sector |
|---|---|---|
| Welltower Inc. (WELL) | $150.38B | Real Estate |
| Prologis, Inc. (PLD) | $131.94B | Real Estate |
| Equinix, Inc. (EQIX) | $106.16B | Real Estate |
| American Tower Corporation (AMT) | $83.20B | Real Estate |
| Digital Realty Trust, Inc. (DLR) | $66.86B | Real Estate |
| Simon Property Group, Inc. (SPG) | $65.86B | Real Estate |
| Public Storage (PSA) | $52.16B | Real Estate |
| CBRE Group, Inc. (CBRE) | $43.07B | Real Estate |
Frequently asked questions
What is Realty Income's market cap?
- Latest reported market cap for Realty Income (O) is $51.00B (period ending December 31, 2025).
How has Realty Income market cap changed year-over-year?
- Realty Income (O) market cap changed +12.3% year-over-year on the latest annual filing.
What is the long-term growth rate of Realty Income market cap?
- Realty Income (O) market cap compound annual growth rate is +14.0% over the most recent 5 years available.
When did Realty Income market cap hit its highest annual value?
- Realty Income market cap reached its highest annual value of $57.26B in 2026.
What was Realty Income market cap in 2025?
- Realty Income (O) market cap in 2025 was $51.00B.
What was Realty Income market cap in 2026?
- Realty Income (O) market cap in 2026 was $57.26B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
Explore more
O Overview
Company profile, financial tools, and key metrics
O Revenue Counter
Earns $182.31 every second. See per minute, hour, and day.
O Earnings Counter
Earns $33.57 per second net profit. See per minute, hour, and day.
O Economic Scale
Exceeds Eswatini's GDP. Compare with world economies.
O What If Invested
What if you had invested $1,000? See historical returns from any date.
O How It Makes Money
Discover visual breakdown of $5.75B in revenue — where it comes from and where it goes.
O Stock Seasonality
Best and worst months to invest. Historical monthly returns heatmap.
O Price Target Scenarios
Model bear, base, and bull cases with EPS growth and exit P/E — pre-filled from analysts and history.
O Daily Price Character
Steady · 49.9% historical win rate (green days). Streaks & record days.
O Buybacks
Recent repurchase activity. Shareholder yield & SBC comparison.
O Stock Split History
2 splits on record. Dates, ratios, and cumulative multiple.
O Dividend Profile
Yield: 5.11%. Safety: 2/8. See full history.
O Dividend Calculator
How much dividend income would $1,000 have earned? Calculate from any date.
O Dividend Forecast
Project future income with DRIP, growth assumptions, and optional monthly contributions.