Digital Realty vs Iron Mountain
Digital Realty is larger by market cap ($71.9B vs $36.4B). Iron Mountain reports higher tracked revenue ($6.9B vs $6.1B). Digital Realty's primary segment is Data Center REITs; Iron Mountain's is Data Center Operators (Colo).
Shared segment: AI & Data Center.
Side-by-side
| Digital Realty | Iron Mountain | |
|---|---|---|
| Market cap | $71.9B | $36.4B |
| Revenue | $6.1B (FY2025) | $6.9B (FY2025) |
| Primary segment | Data Center REITs | Data Center Operators (Colo) |
| Market position | leader | major |
| Country | United States | United States |
| Tracked suppliers | 10 | 4 |
| Tracked customers | 7 | 5 |
| Chokepoint / criticality | 81/100 | 8/100 |
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 Digital Realty and Iron Mountain compare
- Size: Digital Realty is the larger company by market cap.
- Revenue: Iron Mountain reports higher tracked revenue.
- Supply-chain criticality: Digital Realty has the higher chokepoint score (81/100 vs 8/100).
- Footprint: Digital Realty (United States) vs Iron Mountain (United States).