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 $77.83B, about 18.4x CDP ($4.24B).
- Over the past year, AMT is down 26.3% and CDP is up 33.6% - CDP leads by 59.9 points.
- AMT has been more active in the news (5 items in the past 4 weeks vs 2 for CDP).
- AMT has more recent analyst coverage (25 ratings vs 7 for CDP).
PerformanceAMT-26.29%CDP+33.60%
2025-07-21+0.00%2026-07-20
- Company
- American Tower Corporation (REIT)
- COPT Defense Properties
- Price
- $167.03-1.74%
- $37.34-0.67%
- Market cap
- $77.83B
- $4.24B
- 1M return
- -7.81%
- +12.27%
- 1Y return
- -26.29%
- +33.60%
- Industry
- Real Estate Investment Trusts
- Real Estate Investment Trusts
- Exchange
- NYSE
- NYSE
- IPO
- News (4w)
- 5
- 2
- 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
- Harbor Link Deploys Underground Fiber into CoreSite DC2 Data Center, Expanding Carrier Diversity in Washington, D.C. and Northern Virginia
- American Tower upgraded by Wolfe Research with a new price target
- New State of the Data Center Report: Hybrid IT Now Dominates Enterprise Architecture, with Colocation Anchoring Critical Workloads
- American Tower Plans Second Quarter 2026 Earnings Release and Conference Call
- American Tower Corporation Releases 2025 Sustainability Executive Report
- Goldman resumed coverage on American Tower with a new price target
- American Tower upgraded by RBC Capital Mkts with a new price target
- SEC Form CERT filed by American Tower Corporation (REIT)
- American Tower Corporation (REIT) filed SEC Form 8-K: Other Events
- SVP & Advisor to the CFO Meyer Robert Joseph covered exercise/tax liability with 153 shares, decreasing direct ownership by 0.58% to 26,286 units (SEC Form 4) to cover withholding tax
Latest CDP
- SEC Form SCHEDULE 13G filed by COPT Defense Properties
- COPT Defense Provides Conference Call Details to Discuss 2Q 2026 Results
- SEC Form 4 filed by Director Denton Robert L
- Director Pickett C Taylor sold $1,025,581 worth of shares (31,798 units at $32.25), decreasing direct ownership by 68% to 15,188 units (SEC Form 4)
- Director Denton Robert L sold $126,994 worth of shares (3,922 units at $32.38), decreasing direct ownership by 51% to 3,803 units (SEC Form 4)
- COPT Defense to Present at Nareit's REITweek: 2026 Investor Conference
- COPT Defense Properties filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits
- SEC Form 4 filed by Director Miller Essye B.
- Director Trimberger Lisa G was granted 3,803 shares, increasing direct ownership by 19% to 24,090 units (SEC Form 4)
- SEC Form 4 filed by Director Long Letitia A