CI vs AMT Comparison

Cigna primarily provides pharmacy benefit management and health insurance services. Its PBM and specialty pharmacy services, which were greatly expanded by its 2018 merger with Express Scripts, are mostly sold to health insurance plans and employers. Its largest PBM contract is the Department of Defense, and it recently won a deal with top-tier insurer Centene. In health insurance and other benefits, Cigna mostly serves employers through self-funding arrangements, and the company operates mostly in the US with 18 million US medical members covered as of December 2023.

American Tower owns and operates more than 220,000 cell towers throughout the us, Asia, Latin America, Europe, and Africa. It also owns and/or operates 28 data centers in 10 us markets after acquiring CoreSite. On its towers, the company has a very concentrated customer base, with most revenue in each market being generated by just the top few mobile carriers. The company operates more than 40,000 towers in the us, which accounted for almost half of the company's total revenue in 2023. Outside the us, American Tower operates over 75,000 towers in India, almost 50,000 towers in Latin America (dominated by Brazil), 30,000 towers in Europe, and nearly 25,000 towers in Africa. American Tower operates as an REIT.