What smart money is saying about Iron Mountain Incorporated
6 funds in our archive have pitched Iron Mountain Incorporated — most recently Baron Real Estate Income Fund in June 2026.
Established in 1951, Iron Mountain Incorporated (NYSE: IRM) has become the world's foremost authority in storage and information management solutions. More than 225,000 organizations globally trust Iron Mountain with their critical assets. With an extensive physical infrastructure spanning over 90 million square feet, the company operates approximately 1,450 facilities in around 50 countries. Within this vast network, Iron Mountain safeguards billions of valued items, including vital corporate records, highly confidential digital assets, and invaluable cultural and historical artifacts. Their comprehensive suite of offerings encompasses secure document archiving, robust information governance, digital transformation initiatives, confidential destruction services, along with advanced data centers, cloud computing solutions, and specialized art storage and logistics. These services empower clients to mitigate costs and risks, ensure regulatory compliance, facilitate swift disaster recovery, and enable a more efficient, digital-first operational model.
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Position history
Between Q2 2025 and Q2 2026, 4 fund letters reported a position in Iron Mountain Incorporated — 1 opened or added to the position.
| Quarter | Letters | Bought | Sold | Theses |
|---|---|---|---|---|
| Q2 2026 | 4 | 1 | 0 | 2 |
| Q1 2026 | 0 | 0 | 0 | 1 |
| Q3 2025 | 0 | 0 | 0 | 2 |
| Q2 2025 | 0 | 0 | 0 | 1 |
Fund activity · 4 positions · 1 move
- June 2026
“Other REITs (1.5%) We are optimistic about the prospects for Iron Mountain Incorporated.”
Iron Mountain Incorporated - June 2026
“Other REITs (1.5%) We are optimistic about the prospects for Iron Mountain Incorporated. The company offers records storage management along with an evolving fast-growing data center segment.”
Iron Mountain Incorporated - HoldsReaves Dividend Income StrategyJune 2026
“IRM: Iron Mountain delivered another beat-and-raise quarter, anchored by accelerating growth in the legacy records management business and bolstered by demand in the rapidly growing data center and asset lifecycle management businesses.”
Iron Mountain Incorporated - New positionDiamond Hill Long-Short FundJune 2026
“• We initiated a short position in Iron Mountain, the leading provider of physical document storage, which has been expanding aggressively into data center infrastructure.”
Iron Mountain Incorporated
Fund coverage · 6 theses
- Baron Real Estate Income FundJune 2026
Iron Mountain Incorporated combines stable records storage with fast-growing data centers and strong cash flow growth potential.
Read the full thesis - Diamond Hill Long-Short FundJune 2026
Iron Mountain is a physical document storage leader whose core business is declining and whose capital-intensive data center expansion lacks a clear edge.
Read the full thesis - Baron Real Estate Income FundMarch 2026
Iron Mountain Incorporated combines stable records storage with a rapidly growing data center segment, supporting roughly 10% cash flow growth.
Read the full thesis - TCW Global Real Estate FundSeptember 2025
Iron Mountain, Inc. is well-positioned to benefit from growth in data centers, records management, and digital solutions due to its leading market share in the Asset Lifecycle Management industry.
Read the full thesis - Baron Real Estate FundSeptember 2025
Iron Mountain Incorporated is a promising REIT with compelling valuation, strong growth prospects driven by its core records management and rapidly expanding data center segments.
Read the full thesis - Baron Real Estate Income FundJune 2025
Iron Mountain is a company with a stable records management business and a rapidly expanding data center segment, expected to grow overall cash flow by around 10% and per share by high single digits in the coming years.
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