Stocks or ETFs side by side: scores, returns, risk, valuation and what they hold.
| Measure | AMTAmerican Tower Corporation | SPGSimon Property Group, Inc. |
|---|---|---|
| Sector | Real Estate | Real Estate |
| Industry | REIT - Specialty | REIT - Retail |
| Country | United States | United States |
| Market cap | $88.3B | $88.8B |
| Price | $190.37 | $234.48 |
| Last day | +0.72% | +0.63% |
S. data center facilities. American Tower Corporation was incorporated in 1995 in Delaware and is based in Massachusetts, Boston.
AMT analysis and Q-Scores →Simon Property Group, Inc. is a self-administered and self-managed real estate investment trust (REIT). , or the Operating Partnership, is our majority-owned partnership subsidiary that owns all of our real estate properties and other assets. , the Operating Partnership, and its subsidiaries.
SPG analysis and Q-Scores →Data as of 2026-10-13. Not investment advice.