AMT vs MELI Comparison

American Tower owns and operates about 150,000 wireless towers throughout the US, Asia, Latin America, Europe, and Africa. It also owns and/or operates 30 data centers in 11 US markets after acquiring CoreSite. 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 more than 40,000 towers in the US, which accounted for about half of total revenue in 2025. Outside the US, American Tower operates about 47,000 towers in Latin America (dominated by Brazil), 33,000 towers in Europe, and 28,000 towers in Africa. American Tower operates as a REIT.

MercadoLibre is the largest e-commerce marketplace in Latin America, with more than 120 million unique active buyers and 1 million active sellers at the end of 2025. The company is roughly split between its e-commerce business, which includes its fulfillment and advertising services, and its fintech segment, which comprises its rapidly expanding payment and digital wallet platform (Mercado Pago) and its lending business (Mercado Credito). While the company operates in 18 countries, its primary markets are Brazil, Argentina, and Mexico, which account for more than 95% of its revenue.