Realty Income (O) Market Cap 1994–2026

As of October 29, 2026, Realty Income had a market cap of $54.12 billion, which increased by 1.73% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Oct 29, 2026, 4:00 PM ET
Realty Income logo

Realty Income Corp. (O)

🌍 United States 📈 NYSE 🏭 Real Estate 🏢 Retail REITs
Latest Market Cap
$54.12B ▲ 1.73%
Start of 2026
$51.86B ▲ 4.36%
1 Year Ago
$52.95B ▲ 2.21%
All-Time High
$63B ▼ 14.10%


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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Realty Income Market Cap History by Year and Month

Realty Income Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$54.12B▲ 4.36%
$54.12B▲ 5.33%
$51.38B▼ 11.38%
$57.98B▼ 2.65%
$59.56B▲ 3.08%
$57.78B▲ 1.12%
$57.14B▼ 4.61%
$59.9B▲ 5.00%
$57.05B▼ 7.43%
$61.63B▲ 9.54%
$56.26B▲ 8.48%
2025$51.86B▲ 8.91%
2024$47.616B▲ 14.55%
2023$41.569B▲ 4.50%
2022$39.78B▼ 6.02%
All market cap values reflect closing prices for the period shown.

📊 Realty Income Market Cap and Other Industry Peers

Below are selected companies from the Real Estate sector / subsector:

  1. $86.28B
  2. $69.8B
  3. $67.68B
  4. $59.24B
  5. $54.12B
  6. $44.27B
  7. $37.84B
  8. $37.08B
  9. $35.24B
  10. $31.31B
  11. $27B
  12. $19.61B
  13. $17.6B
  14. $16.37B
  15. $13.7B
  16. $9.68B
  17. $8.95B
  18. $8.8B
  19. $7.97B
  20. $6.91B

Data reflect the most recent market capitalization values available.

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.