Iron Mountain Inc. (IRM)

About Iron Mountain Inc.

Iron Mountain Inc is an information management services provider organized and operated as a real estate investment trust. The company offers solutions to its clients to address their information management, digital transformation, information security, data center, and asset lifecycle management (ALM) needs. Its customers come from various industries, including commercial, legal, financial, healthcare, technology, etc. The company has two reportable segments: Global Records and Information Management (Global RIM) and Global Data Center. Maximum revenue is generated from the Global RIM segment, which offers data and records management, secure shredding, consumer storage, and other related services. Geographically, the company generates maximum revenue from the United States.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 1,142 institutions reported holding IRM, with 255.2 million shares worth $32.2 billion in aggregate. The largest reported holders were Vanguard, BlackRock and State Street. Of the 5 largest reported holders, 4 added shares and 1 reduced its position during the quarter.

More on IRM

• IRM sentiment: whether news and social coverage of Iron Mountain Inc. leans bullish or bearish, and the stories driving it.
• IRM ownership: all 1,142 reporting institutions, plus insider and congressional trades.
• IRM financials: revenue, net income, operating margin and free cash flow by quarter and year.

SentiSense also tracks daily options readings for Iron Mountain Inc.: IV rank, put/call percentile, 25-delta skew and open-interest walls.

Frequently asked questions