American Tower (AMT) — Congressional Trading Activity

American Tower owns and operates about 147,000 wireless towers throughout the US, Asia, Latin America, Europe, and Africa. It also owns and/or operates 30 data centers in 11 US markets through its CoreSite segment. The company's customer base in the tower business is very concentrated, with most revenue in each market generated by the top three or four mobile carriers. The company operates 42,000 towers in the US, which accounted for about half of total revenue in 2025. Outside the US, American Tower operates about 45,000 towers in Latin America (dominated by Brazil), 33,000 towers in Europe, and 27,000 towers in Africa. American Tower operates as a REIT.