Realty Income (O) Market Capitalization (2009 - 2026)
Realty Income's (O) quarterly Market Capitalization came in at $58.6 billion in Q2 2026, up 11.31% year-over-year from $52.7 billion in Q2 2025, and up 2.77% quarter-over-quarter from $57.0 billion in Q1 2026.
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Analysis
Realty Income (O) Market Capitalization (2009 - 2026) Analysis & Trends
Realty Income has disclosed Market Capitalization across 18 years of filings, most recently posting $58.6 billion for Q2 2026.
- In Q2 2026, Market Capitalization rose 11.31% year-over-year to $58.6 billion; the TTM figure through Jun 2026 stood at $58.6 billion (up 11.31% YoY), while the FY2025 annual figure was $52.6 billion, up 10.57% from the prior year.
- Market Capitalization came in at $58.6 billion for Q2 2026 at Realty Income, up from $57.0 billion in the prior quarter.
- In the past five years, Market Capitalization ranged from a high of $58.6 billion in Q2 2026 to a low of $36.2 billion in Q3 2023.
- Average Market Capitalization over 5 years is $47.3 billion, with a median of $46.6 billion recorded in 2024.
- Year-over-year, Market Capitalization soared 81.4% in 2022 and slipped 0.96% in 2023.
- Over 5 years, Market Capitalization stood at $41.9 billion in 2022, then gained by 3.16% to $43.2 billion in 2023, then grew by 10.21% to $47.6 billion in 2024, then rose by 10.57% to $52.6 billion in 2025, then increased by 11.36% to $58.6 billion in 2026.
- Per Business Quant data, the three most recent Market Capitalization figures were $58.6 billion in Q2 2026, $57.0 billion in Q1 2026, and $52.6 billion in Q4 2025.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Welltower | 165.94 Bn | 165.00 Bn | 1.39 Bn |
| 2 | Prologis | 126.84 Bn | 131.24 Bn | 2.41 Bn |
| 3 | Simon Property | 67.22 Bn | 68.48 Bn | 1.76 Bn |
| 4 | Realty Income | 53.47 Bn | 55.85 Bn | - |
| 5 | Public Storage | 50.86 Bn | 50.70 Bn | 1.20 Bn |
| 6 | Ventas | 44.55 Bn | 44.86 Bn | 1.73 Bn |
| 7 | Extra Space Storage | 28.52 Bn | 29.39 Bn | 642.43 Mn |
| 8 | Vici Properties | 26.41 Bn | 25.98 Bn | 1.05 Bn |
| 9 | Vivmark Residential | 23.37 Bn | 23.56 Bn | - |
| 10 | Invitation Homes | 16.02 Bn | 16.06 Bn | 705.34 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 58.63 Bn |
| Mar 31, 2026 | 57.05 Bn |
| Dec 31, 2025 | 52.65 Bn |
| Sep 30, 2025 | 55.92 Bn |
| Jun 30, 2025 | 52.67 Bn |
| Mar 31, 2025 | 52.39 Bn |
| Dec 31, 2024 | 47.62 Bn |
| Sep 30, 2024 | 55.50 Bn |
| Jun 30, 2024 | 46.00 Bn |
| Mar 31, 2024 | 47.11 Bn |
| Dec 31, 2023 | 43.21 Bn |
| Sep 30, 2023 | 36.15 Bn |
| Jun 30, 2023 | 42.38 Bn |
| Mar 31, 2023 | 42.63 Bn |
| Dec 31, 2022 | 41.88 Bn |
| Sep 30, 2022 | 36.50 Bn |
| Jun 30, 2022 | 42.15 Bn |
| Mar 31, 2022 | 41.69 Bn |
| Dec 31, 2021 | 29.68 Bn |
| Sep 30, 2021 | 25.40 Bn |
API Access
Realty Income Market Capitalization API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=market-capitalization&ticker=O&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "O", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=O&period=max&api_key=YOUR_API_KEY");
const data = await res.json();