Portsmouth-based Iron Mountain Incorporated (IRM) is a global leader in information management services, trusted by more than 240,000 customers in 61 countries. The company has a market cap of $36.4 billion and offers solutions for information management, digital transformation, information security, data centers, and asset lifecycle management (ALM).
IRM stock has rallied the broader market over the past year, surging 35% compared to the S&P 500 Index’s ($SPX) 20.2% surge. Moreover, in 2026, the stock has risen nearly 49.9%, outperforming the SPX’s 13.2% rise as well.
