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 $88.10B, about 23.6x CDP ($3.73B).
- Over the past year, AMT is down 11.2% and CDP is up 16.3% - CDP leads by 27.5 points.
- AMT has been more active in the news (18 items in the past 4 weeks vs 11 for CDP).
- AMT has more recent analyst coverage (25 ratings vs 7 for CDP).
PerformanceAMT-11.19%CDP+16.33%
2025-06-09+0.00%2026-06-08
- Company
- American Tower Corporation (REIT)
- COPT Defense Properties
- Price
- $189.03-2.53%
- $32.91+0.75%
- Market cap
- $88.10B
- $3.73B
- 1M return
- +5.22%
- +3.47%
- 1Y return
- -11.19%
- +16.33%
- Industry
- Real Estate Investment Trusts
- Real Estate Investment Trusts
- Exchange
- NYSE
- NYSE
- IPO
- News (4w)
- 18
- 11
- 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 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
- American Tower Corporation (REIT) filed SEC Form 8-K: Other Events
- Director Reeve Pamela D A gifted 810 shares, decreasing direct ownership by 4% to 21,089 units (SEC Form 4)
- American Tower to Present at Nareit's REITweek: 2026 Investor Conference
- SEC Form 8-A12B filed by American Tower Corporation (REIT)
- American Tower Corporation (REIT) filed SEC Form 8-K: Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation
- SEC Form S-8 filed by American Tower Corporation (REIT)
- SEC Form 25-NSE filed by American Tower Corporation (REIT)
Latest CDP
- 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
- SEC Form 4 filed by Director Owens Raymond Lee
- SEC Form 4 filed by Director Pickett C Taylor
- Director Denton Robert L was granted 3,803 shares, increasing direct ownership by 97% to 7,725 units (SEC Form 4)