Compare · AMT vs CDP
AMT vs CDP
Side-by-side comparison of American Tower Corporation (REIT) (AMT) and COPT Defense Properties (CDP): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both AMT and CDP operate in Real Estate Investment Trusts (Real Estate), so they compete in similar markets.
- AMT is the larger of the two at $84.51B, about 22.4x CDP ($3.77B).
- Over the past year, AMT is down 4.0% and CDP is up 17.6% - CDP leads by 21.6 points.
- AMT has been more active in the news (2 items in the past 4 weeks vs 1 for CDP).
- AMT has more recent analyst coverage (25 ratings vs 7 for CDP).
PerformanceAMT-4.03%CDP+17.61%
2025-10-20+0.00%2026-10-16
- Company
- American Tower Corporation (REIT)
- COPT Defense Properties
- Price
- $185.21+2.14%
- $33.30+0.27%
- Market cap
- $84.51B
- $3.77B
- 1M return
- +5.49%
- -3.65%
- 1Y return
- -4.03%
- +17.61%
- Industry
- Real Estate Investment Trusts
- Real Estate Investment Trusts
- Exchange
- NYSE
- NYSE
- IPO
- News (4w)
- 2
- 1
- Recent ratings
- 25
- 7
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.
Latest AMT
- SEC Form 4 filed by American Tower Corporation (REIT)
- American Tower Plans Third Quarter 2026 Earnings Release and Conference Call
- SEC Form 3 filed by new insider Ludgate Kristen M
- American Tower Corporation (REIT) filed SEC Form 8-K: Leadership Update, Other Events, Financial Statements and Exhibits
- American Tower Corporation Announces Election of Kristen M. Ludgate to Board of Directors and Declares Quarterly Distribution
- American Tower Corporation (REIT) filed SEC Form 8-K: Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation
- American Tower Corporation (REIT) filed SEC Form 8-K: Other Events, Financial Statements and Exhibits
- American Tower Corporation Prices Senior Notes Offering
- SEC Form FWP filed by American Tower Corporation (REIT)
- SEC Form 424B5 filed by American Tower Corporation (REIT)
Latest CDP
- COPT Defense Provides Conference Call Details to Discuss 3Q 2026 Results
- COPT Defense Provides an Update on Leasing Activity and Capital Commitments to New Investments
- COPT Defense Declares Third Quarter 2026 Common Dividend
- SEC Form 4 filed by Director Denton Robert L
- SEC Form 10-Q filed by COPT Defense Properties
- SEC Form 4 filed by Director Denton Robert L
- COPT Defense Properties filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
- COPT Defense Reports Second Quarter 2026 Results
- SEC Form SCHEDULE 13G filed by COPT Defense Properties
- COPT Defense Provides Conference Call Details to Discuss 2Q 2026 Results