Iron Mountain Incorporated has delivered impressive fourth-quarter results, achieving an adjusted funds from operations (AFFO) per share of $1.44, surpassing the Zacks Consensus Estimate of $1.39, and total revenues of $1.84 billion, exceeding projections of $1.80 billion. This strong performance led to a nearly 9% increase in share price during early trading. For the full year 2025, the company reported revenues of $6.90 billion, reflecting a year-over-year growth of 12.2%, and it provided optimistic guidance for 2026, estimating revenues between $7.625 billion and $7.775 billion.