Compare · AMT vs SMA
AMT vs SMA
Side-by-side comparison of American Tower Corporation (REIT) (AMT) and SmartStop Self Storage REIT Inc. (SMA): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both AMT and SMA operate in Real Estate Investment Trusts (Real Estate), so they compete in similar markets.
- AMT is the larger of the two at $90.44B, about 52.8x SMA ($1.71B).
- Over the past year, AMT is down 8.9% and SMA is down 16.7% - AMT leads by 7.8 points.
- AMT has been more active in the news (17 items in the past 4 weeks vs 5 for SMA).
- AMT has more recent analyst coverage (25 ratings vs 13 for SMA).
PerformanceAMT-8.88%SMA-16.69%
2025-06-09+0.00%2026-06-05
- Company
- American Tower Corporation (REIT)
- SmartStop Self Storage REIT Inc.
- Price
- $193.94-0.20%
- $30.95+0.55%
- Market cap
- $90.44B
- $1.71B
- 1M return
- +7.68%
- -3.61%
- 1Y return
- -8.88%
- -16.69%
- Industry
- Real Estate Investment Trusts
- Real Estate Investment Trusts
- Exchange
- NYSE
- NYSE
- IPO
- 2025
- News (4w)
- 17
- 5
- Recent ratings
- 25
- 13
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
- 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)
- American Tower Corporation (REIT) filed SEC Form 8-K: Leadership Update, Submission of Matters to a Vote of Security Holders, Other Events, Financial Statements and Exhibits
Latest SMA
- SmartStop Self Storage Named One of Reviewed's Best National Storage Chains of 2026
- SmartStop Self Storage REIT Inc. filed SEC Form 8-K: Other Events
- Strategic Storage Trust VI, Inc. Announces Opening of New Self-Storage Facility in Greater Montréal Area
- Strategic Storage Trust VI, Inc. Reports First Quarter 2026 Results
- Director Mueller David J sold $12,610 worth of shares (425 units at $29.67) as part of a pre-agreed trading plan, decreasing direct ownership by 7% to 5,915 units (SEC Form 4)
- Strategic Storage Trust VI, Inc. Recognized as Top Performer Among Lifecycle REITs in Recent Stanger Industry Performance Data
- SEC Form 10-Q filed by SmartStop Self Storage REIT Inc.
- Amendment: SEC Form SCHEDULE 13G/A filed by SmartStop Self Storage REIT Inc.
- SmartStop Self Storage REIT Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
- SmartStop Self Storage REIT, Inc. Reports First Quarter 2026 Results