American Tower (REIT) (AMT) vs Realty Income (O)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Realty Income (O) has outperformed American Tower (REIT) (AMT) over the past year, losing 10.5% versus a loss of 11.1%. Over five years, O leads with a -21.0% price change compared with -38.3% for AMT. American Tower (REIT) is the larger company by market cap ($76.79 billion vs $50.44 billion), about 1.5 times the size, while Realty Income is growing revenue faster (+9.1% vs +5.1%).
On valuation, American Tower (REIT) trades at a lower forward P/E (23.5x vs 34.3x for Realty Income). Realty Income offers the higher dividend yield (6.07% vs 4.24%). American Tower (REIT) converts more of its revenue into profit, with a net margin of 24.7% versus 18.4%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | AMT | O |
|---|---|---|
| Share price | $164.81 | $53.31 |
| Market cap | $76.79B | $50.44B |
| 1-day change | -0.82% | -0.08% |
| YTD return | -5.35% | -5.36% |
| 1-year return | -11.12% | -10.53% |
| 5-year return | -38.30% | -20.96% |
| P/E ratio (TTM) | 22.67 | 38.63 |
| Forward P/E | 23.51 | 34.32 |
| EPS (TTM) | $7.27 | $1.38 |
| Dividend yield | 4.24% | 6.07% |
| Annual dividend | $6.98 | $3.24 |
| Revenue (latest FY) | $10.64B | $5.75B |
| Revenue growth (YoY) | +5.11% | +9.07% |
| Net income (latest FY) | $2.63B | $1.06B |
| Operating margin | 45.52% | — |
| Net margin | 24.69% | 18.41% |
| 52-week high | $196.08 | $67.94 |
| 52-week low | $160.06 | $53.15 |
| Distance from 52-week high | -15.95% | -21.54% |
| Analyst consensus | buy | hold |
| Avg. price target upside | +30.90% | +24.55% |
| Average volume | 2.60M | 6.48M |
| Shares outstanding | 465.96M | 946.22M |
| Employees | 4,866 | 544 |
| Sector | Real Estate | Real Estate |
| Industry | Real Estate Investment Trusts | Real Estate Investment Trusts |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Realty Income trades at a higher earnings multiple (38.6x vs 22.7x trailing P/E).
- Realty Income offers a meaningfully higher dividend yield (6.07% vs 4.24%).
- American Tower (REIT) is more profitable, keeping 24.7 cents of every revenue dollar as net income versus 18.4 cents for Realty Income.
About American Tower (REIT)
AMT stock →American Tower Corporation one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of over 148,000 communications sites and a highly interconnected footprint of U.S. data center facilities.
Real Estate · Real Estate Investment Trusts · 4,866 employees
About Realty Income
O stock →Realty Income Corporation, an S&P 500 company, is real estate partner to the world's leading companies. Founded in 1969, we serve our clients as a full-service real estate capital provider.
Real Estate · Real Estate Investment Trusts · 544 employees
AMT vs O FAQ
Which is bigger, American Tower (REIT) or Realty Income?
American Tower (REIT) (AMT) is larger, with a market capitalization of $76.79B compared with $50.44B for Realty Income (O).
Which stock has performed better over the past year, AMT or O?
O returned -10.53% over the past 12 months, compared with -11.12% for AMT (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AMT or O?
AMT has the lower trailing P/E at 22.7, versus 38.6 for O. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, American Tower (REIT) or Realty Income?
Realty Income has the higher yield at 6.07%, compared with 4.24% for American Tower (REIT).
Are American Tower (REIT) and Realty Income in the same industry?
Yes. Both are classified in the Real Estate Investment Trusts industry within the Real Estate sector.