Join

Compare · IRM vs PSA

IRM vs PSA

Side-by-side comparison of Iron Mountain Incorporated (Delaware) (IRM) and Public Storage (PSA): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both IRM and PSA operate in Real Estate Investment Trusts (Real Estate), so they compete in similar markets.
  • PSA is the larger of the two at $51.63B, about 1.5x IRM ($34.07B).
  • Over the past year, IRM is up 36.9% and PSA is down 0.1% - IRM leads by 37.0 points.
  • PSA has been more active in the news (10 items in the past 4 weeks vs 6 for IRM).
  • PSA has more recent analyst coverage (25 ratings vs 9 for IRM).
PerformanceIRM+36.85%PSA-0.15%
2025-04-30+0.00%2026-04-30
MetricIRMPSA
Company
Iron Mountain Incorporated (Delaware)
Public Storage
Price
$122.75+7.21%
$299.85+1.93%
Market cap
$34.07B
$51.63B
1M return
+20.17%
+10.74%
1Y return
+36.85%
-0.15%
Industry
Real Estate Investment Trusts
Real Estate Investment Trusts
Exchange
NYSE
NYSE
IPO
News (4w)
6
10
Recent ratings
9
25
IRM

Iron Mountain Incorporated (Delaware)

Iron Mountain Incorporated (NYSE: IRM), founded in 1951, is the global leader for storage and information management services. Trusted by more than 225,000 organizations around the world, and with a real estate network of more than 90 million square feet across approximately 1,450 facilities in approximately 50 countries, Iron Mountain stores and protects billions of valued assets, including critical business information, highly sensitive data, and cultural and historical artifacts. Providing solutions that include secure records storage, information management, digital transformation, secure destruction, as well as data centers, cloud services and art storage and logistics, Iron Mountain helps customers lower cost and risk, comply with regulations, recover from disaster, and enable a more digital way of working.

PSA

Public Storage

Public Storage, a member of the S&P 500 and FT Global 500, is a REIT that primarily acquires, develops, owns and operates self-storage facilities. At September 30, 2020, we had: (i) interests in 2,504 self-storage facilities located in 38 states with approximately 171 million net rentable square feet in the United States, (ii) an approximate 35% common equity interest in Shurgard Self Storage SA (Euronext Brussels:SHUR) which owned 239 self-storage facilities located in seven Western European nations with approximately 13 million net rentable square feet operated under the “Shurgard” brand and (iii) an approximate 42% common equity interest in PS Business Parks, Inc. (NYSE:PSB) which owned and operated approximately 28 million rentable square feet of commercial space at September 30, 2020. Our headquarters are located in Glendale, California.