IRM Iron Mountain Incorporated (Delaware)
NYSEActiveCommon stock
IRM is the ticker symbol of Iron Mountain Incorporated (Delaware), which is listed on NYSE.
IRM at a glance
- Symbol
- IRM
- Company / issuer
- Iron Mountain Incorporated (Delaware)
- Security type
- Common stock
- Exchange
- NYSE
- Status
- Actively traded
- Seen in listing files
- Apr 2015 – present
- Sector
- Real Estate
- Industry
- Real Estate Investment Trusts
- Country
- United States
- Market cap
- $34.0 billion (Sep 2026)
Iron Mountain Incorporated (Delaware) company profile
- Industry (SIC)
- Real Estate Investment Trusts
- Headquarters
- Portsmouth, NH
- Incorporated in
- DE
- Fiscal year end
- December 31
- SEC filer category
- Large accelerated filer
- Latest annual report
- 10-K filed 2026-02-12
- Latest interim report
- 10-Q filed 2026-08-05
- SEC CIK
- 1020569
Former company names
- Iron Mountain Inc (until 2005)
- Pierce Leahy Corp (until 1999)
Source: SEC EDGAR filer data.
IRM price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol IRM?
IRM is the ticker symbol of Iron Mountain Incorporated (Delaware) on NYSE.
Is IRM still trading?
Yes. IRM appears in the current NYSE listings as of Sep 2026.
Which exchange is IRM listed on?
IRM is listed on NYSE.
Nearby symbols
IRET iREITIRF International Rectifier CorporationIRG Ignite Restaurant Group, Inc.IRHO Iron Horse Acquisitions II Corp.IRIX IRIDEX CorporationIRL New Ireland Fund Inc (The)IRMD iRadimed CorporationIRON Disc Medicine, Inc.IROQ IF Bancorp, Inc.IRR Voya Natural Resources Equity Income FundIRRX Integrated Rail and Resources Acquisition Corp.IRS IRSA Inversiones Y Representaciones S.A. Global