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Compare · AMT vs SLG

AMT vs SLG

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

Summary

  • Both AMT and SLG operate in Real Estate Investment Trusts (Real Estate), so they compete in similar markets.
  • AMT is the larger of the two at $87.37B, about 27.5x SLG ($3.18B).
  • Over the past year, AMT is down 12.5% and SLG is down 22.0% - AMT leads by 9.5 points.
  • AMT has been more active in the news (14 items in the past 4 weeks vs 3 for SLG).
  • Both have 25 recent analyst ratings on file.
PerformanceAMT-12.46%SLG-22.00%
2025-06-02+0.00%2026-06-01
MetricAMTSLG
Company
American Tower Corporation (REIT)
SL Green Realty Corp
Price
$187.44+0.32%
$44.74-1.45%
Market cap
$87.37B
$3.18B
1M return
+2.55%
+5.52%
1Y return
-12.46%
-22.00%
Industry
Real Estate Investment Trusts
Real Estate Investment Trusts
Exchange
NYSE
NYSE
IPO
1997
News (4w)
14
3
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.

SLG

SL Green Realty Corp

SL Green Realty Corp., an S&P 500 company and Manhattan's largest office landlord, is a fully integrated real estate investment trust, or REIT, that is focused primarily on acquiring, managing and maximizing value of Manhattan commercial properties. As of December 31, 2020, SL Green held interests in 88 buildings totaling 38.2 million square feet. This included ownership interests in 28.6 million square feet of Manhattan buildings and 8.7 million square feet securing debt and preferred equity investments.

Latest AMT

Latest SLG