Digital Realty vs Iron Mountain
Digital Realty's primary segment is Data Center REITs; Iron Mountain's is Data Center Operators (Colo). Digital Realty is larger by market cap ($67.4B vs $33.8B). Iron Mountain reports higher tracked revenue ($6.9B vs $6.1B).
Shared segment: AI & Data Center.
Track the chain
What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.
Subscribe to the free weekly briefing →
Free · no login · 615 companies, updated weekly
Side-by-side
| Digital Realty | Iron Mountain | |
|---|---|---|
| Market cap | $67.4B | $33.8B |
| 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 2026-10-04. 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).
Company hubs
Open the interactive comparison tool →
Cite as: wafergraph, “Digital Realty vs Iron Mountain”, https://wafergraph.com/compare/digital_realty-vs-iron_mountain (data as of 2026-10-04).
Frequently asked questions3
- Is Digital Realty bigger than Iron Mountain?
- Digital Realty is larger by market cap ($67.4B vs $33.8B).
- What's the difference between Digital Realty and Iron Mountain?
- Digital Realty is a leader in Data Center REITs based in United States; Iron Mountain is a major in Data Center Operators (Colo) based in United States. Both operate in the AI & Data Center segment.
- Who are Digital Realty's and Iron Mountain's suppliers?
- wafergraph tracks 10 suppliers for Digital Realty and 4 for Iron Mountain.