Current
$59.3B
5-Year Average
$43.5B
All-Time High
$61.1B
All-Time Low
$939M
Market cap daily chart for Realty Income (O)
Aug 2, 2021 – Jul 29, 2026 · 1,253 trading days
Market Cap growth chart for Realty Income (O) from 2017 to 2026
Latest: +16.3%
Market Cap history table for Realty Income (O) from 1994 to 2026
| 2026 | $59.3B | +16.3% | +$8.3B | ||
| 2025 | $51B | +8.9% | +$4.17B | ||
| 2024 | $46.8B | +17.7% | +$7.04B | ||
| 2023 | $39.8B | +2.5% | +$963M | ||
| 2022 | $38.8B | +30.8% | +$9.14B | ||
| 2021 | $29.7B | +42.8% | +$8.9B | ||
| 2020 | $20.8B | -7.8% | -$1.75B | ||
| 2019 | $22.5B | +27.4% | +$4.84B | ||
| 2018 | $17.7B | +17.0% | +$2.57B | ||
| 2017 | $15.1B | +6.3% | +$899M | ||
| 2016 | $14.2B | +20.5% | +$2.42B | ||
| 2015 | $11.8B | +16.9% | +$1.7B | ||
| 2014 | $10.1B | +45.8% | +$3.17B | ||
| 2013 | $6.93B | +34.0% | +$1.76B | ||
| 2012 | $5.17B | +21.1% | +$903M | ||
| 2011 | $4.27B | +21.7% | +$763M | ||
| 2010 | $3.51B | +35.0% | +$910M | ||
| 2009 | $2.6B | +14.5% | +$330M | ||
| 2008 | $2.27B | -13.6% | -$357M | ||
| 2007 | $2.63B | +8.9% | +$214M | ||
| 2006 | $2.41B | +43.6% | +$732M | ||
| 2005 | $1.68B | -12.7% | -$245M | ||
| 2004 | $1.92B | +39.5% | +$545M | ||
| 2003 | $1.38B | +19.7% | +$227M | ||
| 2002 | $1.15B | +43.1% | +$347M | ||
| 2001 | $805M | +24.7% | +$160M | ||
| 2000 | $646M | +20.0% | +$108M | ||
| 1999 | $538M | -16.1% | -$103M | ||
| 1998 | $641M | +10.7% | +$62.1M | ||
| 1997 | $579M | +9.1% | +$48.1M | ||
| 1996 | $531M | +23.3% | +$100M | ||
| 1995 | $431M | +33.1% | +$107M | ||
| 1994 | $324M | — | — |
- 2026$59.3B+16.3%
- 2025$51B+8.9%
- 2024$46.8B+17.7%
- 2023$39.8B+2.5%
- 2022$38.8B+30.8%
- 2021$29.7B+42.8%
- 2020$20.8B-7.8%
- 2019$22.5B+27.4%
- 2018$17.7B+17.0%
- 2017$15.1B+6.3%
- 2016$14.2B+20.5%
- 2015$11.8B+16.9%
- 2014$10.1B+45.8%
- 2013$6.93B+34.0%
- 2012$5.17B+21.1%
- 2011$4.27B+21.7%
- 2010$3.51B+35.0%
- 2009$2.6B+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$805M+24.7%
- 2000$646M+20.0%
- 1999$538M-16.1%
- 1998$641M+10.7%
- 1997$579M+9.1%
- 1996$531M+23.3%
- 1995$431M+33.1%
- 1994$324M—
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 $55.4B. 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 .
As of the 2026 fiscal year, Realty Income (O) reported market cap of $59.3B – grew 16.3% year-over-year.
Through 2021–2026 (5 years), Realty Income market cap delivered a +14.8% annualised rate; sustaining 6 straight years of year-over-year growth.
The highest annual market cap of $59.3B was reported in 2026. The lowest in the available history was $324M in 1994.
Realty Income Market Cap by Year
Realty Income Market Cap 2026: $59.3B
In 2026, Realty Income reported market cap of $59.3B, grew 16.3% from 2025. This figure represents the highest annual value in the available history.
Realty Income Market Cap 2025: $51B
Realty Income market cap in 2025 was $51B, grew 8.9% from 2024.
Realty Income Market Cap 2024: $46.8B
2024's market cap for Realty Income came in at $46.8B, grew 17.7% from 2023.
Realty Income Market Cap 2023: $39.8B
Realty Income posted market cap of $39.8B in 2023, edged up 2.5% from 2022.
Realty Income Market Cap 2022: $38.8B
Realty Income market cap in 2022 was $38.8B.
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
| $170B | |
| $136B | |
| $99.4B | |
| $83.5B | |
| $76.4B | |
| $69.6B | |
| $61.4B | |
| $47.5B |
- $170B
- $136B
- $99.4B
- $83.5B
- $61.4B
- $47.5B
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Realty Income (O) Key Financials
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Deep-dives across the income statement, cash flow, capital return, and valuation
- Buybacks0.18% TTM
- Dividend Profile4.94% yield
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- Stock Split History2 splits
How this company returns cash to shareholders — buybacks, dividends, and stock splits.