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Compare · AMT vs O

AMT vs O

Side-by-side comparison of American Tower Corporation (REIT) (AMT) and Realty Income Corporation (O): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both AMT and O operate in Real Estate Investment Trusts (Real Estate), so they compete in similar markets.
  • AMT is the larger of the two at $82.02B, about 1.5x O ($56.17B).
  • Over the past year, AMT is down 19.1% and O is up 5.3% - O leads by 24.4 points.
  • O has been more active in the news (13 items in the past 4 weeks vs 9 for AMT).
  • Both have 25 recent analyst ratings on file.
PerformanceAMT-19.06%O+5.33%
2025-06-20+0.00%2026-06-18
MetricAMTO
Company
American Tower Corporation (REIT)
Realty Income Corporation
Price
$175.95-2.88%
$60.24-0.54%
Market cap
$82.02B
$56.17B
1M return
-3.82%
-2.97%
1Y return
-19.06%
+5.33%
Industry
Real Estate Investment Trusts
Real Estate Investment Trusts
Exchange
NYSE
NYSE
IPO
News (4w)
9
13
Recent ratings
25
25
AMT

American Tower Corporation (REIT)

American Tower, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of approximately 181,000 communications sites.

O

Realty Income Corporation

Realty Income, The Monthly Dividend Company, is an S&P 500 company dedicated to providing stockholders with dependable monthly income. The company is structured as a REIT, and its monthly dividends are supported by the cash flow from over 6,500 real estate properties owned under long-term lease agreements with our commercial clients. To date, the company has declared 608 consecutive common stock monthly dividends throughout its 52-year operating history and increased the dividend 109 times since Realty Income's public listing in 1994 (NYSE: O). The company is a member of the S&P 500 Dividend Aristocrats index. Additional information about the company can be obtained from the corporate website at www.realtyincome.com.

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