American Tower

Official Name: American Tower Corporation (REIT)

Headquarters: Boston, MA, United States

Founded: 1995

Employees: 6,378

CEO: Mr. Thomas A. Bartlett CPA

NYSE: AMT -0.36%

Market Cap

$100.44 Billion

USD as of Jan. 1, 2024

Market Cap History

Company Description

American Tower Corporation, also known as ATC, is a real estate investment trust specialized in wireless communications infrastructure. It owns and operates more than 180,000 communications sites, with more than 40,000 in the United States and about 140,000 properties in Latin America, Europe, and Africa. American Tower leases space on wireless communications towers and provides in-building services, distributed antenna systems, and managed rooftops services.

American Tower market capitalization over time

Evolution of American Tower Corporation (REIT) market cap in the past 5 years

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Market Cap History of American Tower Corporation (REIT)

Detailed Description

American Tower Corporation, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of approximately 219,000 communications sites. For more information about American Tower, please visit the “Earnings Materials” and “Investor Presentations” sections of our investor relations website at

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Stocks & Indices

American Tower Corporation (REIT) has the following listings and related stock indices.

Stock: NYSE: AMT wb_incandescent

Stock: FSX: A0T wb_incandescent

Key People

Tom Bartlett, Chairman, CEO, & President


Revenue: US$8.041 billion (2020)

Operating income: US$5.332 billion (2020)

Net income: US$1.691 billion (2020)

Total assets: US$47.233 billion (2020)

Total equity: US$4.568 billion (2020)



116 Huntington Avenue

11th Floor

Boston, MA 02116

United States

Phone: 617-375-7500

Fax: 617-375-7575