American Tower vs Digital Realty

American Tower is larger by market cap ($79.0B vs $71.9B). American Tower reports higher tracked revenue ($10.6B vs $6.1B). American Tower's primary segment is Data Center Operators (Colo); Digital Realty's is Data Center REITs.

Shared segment: AI & Data Center.

Side-by-side

American TowerDigital Realty
Market cap$79.0B$71.9B
Revenue$10.6B (FY2025)$6.1B (FY2025)
Primary segmentData Center Operators (Colo)Data Center REITs
Market positionmajorleader
CountryUnited StatesUnited States
Tracked suppliers410
Tracked customers57
Chokepoint / criticality8/10081/100

Market caps/revenue from the wafergraph dataset · data as of 2026-08-12. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How American Tower and Digital Realty compare

  • Size: American Tower is the larger company by market cap.
  • Revenue: American Tower reports higher tracked revenue.
  • Supply-chain criticality: Digital Realty has the higher chokepoint score (81/100 vs 8/100).
  • Footprint: American Tower (United States) vs Digital Realty (United States).

Company hubs

American Tower · Digital Realty · AI & Data Center segment

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