American Tower (REIT) (AMT) vs Simon Property Group (SPG)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Simon Property Group (SPG) has outperformed American Tower (REIT) (AMT) over the past year, gaining 12.0% versus a loss of 10.2%. Over five years, SPG leads with a +42.4% price change compared with -38.1% for AMT. American Tower (REIT) is the larger company by market cap ($83.27 billion vs $75.92 billion), about 1.1 times the size, while Simon Property Group is growing revenue faster (+6.7% vs +5.1%).
On valuation, American Tower (REIT) trades at a lower forward P/E (25.5x vs 29.5x for Simon Property Group). Simon Property Group offers the higher dividend yield (4.40% vs 3.91%). Simon Property Group converts more of its revenue into profit, with a net margin of 84.3% versus 24.7%.
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 | SPG |
|---|---|---|
| Share price | $178.71 | $200.00 |
| Market cap | $83.27B | $75.92B |
| 1-day change | +7.16% | +0.19% |
| YTD return | -5.04% | +7.83% |
| 1-year return | -10.16% | +12.00% |
| 5-year return | -38.09% | +42.35% |
| P/E ratio (TTM) | 24.58 | 14.11 |
| Forward P/E | 25.49 | 29.53 |
| EPS (TTM) | $7.27 | $14.17 |
| Dividend yield | 3.91% | 4.40% |
| Annual dividend | $6.98 | $8.80 |
| Revenue (latest FY) | $10.64B | $6.36B |
| Revenue growth (YoY) | +5.11% | +6.72% |
| Net income (latest FY) | $2.63B | $5.36B |
| Operating margin | 45.52% | 49.89% |
| Net margin | 24.69% | 84.28% |
| 52-week high | $196.08 | $238.50 |
| 52-week low | $160.06 | $172.19 |
| Distance from 52-week high | -8.86% | -16.14% |
| Analyst consensus | buy | buy |
| Avg. price target upside | +20.72% | +16.75% |
| Average volume | 2.62M | 1.31M |
| Shares outstanding | 465.96M | 323.55M |
| Employees | 4,866 | 3,100 |
| 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
- SPG has outperformed AMT by 22.2 percentage points over the past year.
- American Tower (REIT) trades at a higher earnings multiple (24.6x vs 14.1x trailing P/E).
- Simon Property Group is more profitable, keeping 84.3 cents of every revenue dollar as net income versus 24.7 cents for American Tower (REIT).
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 Simon Property Group
SPG stock →Simon Property Group, Inc. is a self-administered and self-managed real estate investment trust (REIT).
Real Estate · Real Estate Investment Trusts · 3,100 employees
AMT vs SPG FAQ
Which is bigger, American Tower (REIT) or Simon Property Group?
American Tower (REIT) (AMT) is larger, with a market capitalization of $83.27B compared with $75.92B for Simon Property Group (SPG).
Which stock has performed better over the past year, AMT or SPG?
SPG returned +12.00% over the past 12 months, compared with -10.16% for AMT (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, AMT or SPG?
SPG has the lower trailing P/E at 14.1, versus 24.6 for AMT. 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 Simon Property Group?
Simon Property Group has the higher yield at 4.40%, compared with 3.91% for American Tower (REIT).
Are American Tower (REIT) and Simon Property Group in the same industry?
Yes. Both are classified in the Real Estate Investment Trusts industry within the Real Estate sector.