MELI vs AMT Comparison

MercadoLibre runs the largest e-commerce marketplace in Latin America, with about 150 million active users and more than 600 million active listings across 18 countries stitching into its commerce network or fintech solutions when last reported. The company operates a host of complementary businesses to its core online shop, with shipping solutions (Mercado Envios), a payment and financing operation (Mercado Pago and Mercado Credito), advertisements (Mercado Clics), classifieds, and a turnkey e-commerce solution (Mercado Shops) rounding out its arsenal. MercadoLibre generates revenue from final value fees, advertising royalties, payment processing, insertion fees, subscription fees, and interest income from consumer and small-business lending.

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.