Compare · AMT vs IRM
AMT vs IRM
Side-by-side comparison of American Tower Corporation (REIT) (AMT) and Iron Mountain Incorporated (Delaware) (IRM): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both AMT and IRM operate in Real Estate Investment Trusts (Real Estate), so they compete in similar markets.
- AMT is the larger of the two at $83.21B, about 2.3x IRM ($35.99B).
- IRM has been more active in the news (7 items in the past 4 weeks vs 3 for AMT).
- AMT has more recent analyst coverage (25 ratings vs 9 for IRM).
- Company
- American Tower Corporation (REIT)
- Iron Mountain Incorporated (Delaware)
- Price
- $178.58+0.10%
- $120.88-0.31%
- Market cap
- $83.21B
- $35.99B
- 1M return
- -
- -4.79%
- 1Y return
- -
- +32.22%
- Industry
- Real Estate Investment Trusts
- Real Estate Investment Trusts
- Exchange
- NYSE
- NYSE
- IPO
- News (4w)
- 3
- 7
- Recent ratings
- 25
- 9
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.
Iron Mountain Incorporated (Delaware)
Iron Mountain Incorporated (NYSE: IRM), founded in 1951, is the global leader for storage and information management services. Trusted by more than 225,000 organizations around the world, and with a real estate network of more than 90 million square feet across approximately 1,450 facilities in approximately 50 countries, Iron Mountain stores and protects billions of valued assets, including critical business information, highly sensitive data, and cultural and historical artifacts. Providing solutions that include secure records storage, information management, digital transformation, secure destruction, as well as data centers, cloud services and art storage and logistics, Iron Mountain helps customers lower cost and risk, comply with regulations, recover from disaster, and enable a more digital way of working.
Latest AMT
- Director Kalathur Rajesh bought $500,733 worth of shares (2,829 units at $177.00), increasing direct ownership by 57% to 7,765 units (SEC Form 4)
- American Tower upgraded by Barclays with a new price target
- American Tower to Present at the TD Cowen 12th Annual Communications Infrastructure Summit
- SVP & Advisor to the CFO Meyer Robert Joseph sold $894,450 worth of shares (5,000 units at $178.89), decreasing direct ownership by 19% to 21,428 units (SEC Form 4)
- EVP, Chief Admin Ofr, GC & Sec Dowling Ruth T sold $309,641 worth of shares (1,791 units at $172.89) as part of a pre-agreed trading plan, decreasing direct ownership by 6% to 27,711 units (SEC Form 4)
- SEC Form 10-Q filed by American Tower Corporation (REIT)
- American Tower Corporation (REIT) filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
- American Tower Corporation Reports Second Quarter 2026 Financial Results
- 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
Latest IRM
- Clutter by Iron Mountain Reimagines Personal Storage, Delivering a Premium Managed Storage Solution
- President and CEO Meaney William L exercised 38,474 shares at a strike of $37.00 and sold $4,680,954 worth of shares (38,474 units at $121.67) as part of a pre-agreed trading plan (SEC Form 4)
- EVP, GM Data Centers & ALM Kidd Mark sold $736,200 worth of shares (6,000 units at $122.70) as part of a pre-agreed trading plan, decreasing direct ownership by 6% to 101,507 units (SEC Form 4)
- EVP, Chief Commercial Officer Mcintosh Greg W sold $1,505,092 worth of shares (11,839 units at $127.13) as part of a pre-agreed trading plan and exercised 6,839 shares at a strike of $37.00, decreasing direct ownership by 6% to 80,634 units (SEC Form 4)
- SEC Form 10-Q filed by Iron Mountain Incorporated (Delaware)
- Iron Mountain Incorporated (Delaware) filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
- Iron Mountain Reports Second Quarter 2026 Results
- Iron Mountain Schedules Second Quarter 2026 Earnings Release and Conference Call
- SEC Form 4 filed by Director Simons Doyle
- SEC Form 4 filed by Director Samuels Theodore R. Ii