AMT 10-K Analysis: The Hidden Cross-Subsidy Funding American Tower's AI Pivot
American Tower reported 5.1% revenue growth in FY2025, but the 10-K reveals the US tower business — 49% of revenue — generated just $0.6M in incremental revenue. All growth came from Africa (+17.8%), data centers (+13.9%), and Europe. At 18.0x P/FFO, the market is pricing a growth transition story funded by an 8.4x capital intensity cross-subsidy from towers to data centers — while $12.2B in debt matures in 2027-2028 at higher rates.