Iron Mountain (IRM) Revenue — Quarter Ended Sep 30, 2025
Revenue in the quarter increased compared with the preceding quarter. It also rose versus the same quarter one year earlier.
Key takeaway
Quarter ended Sep 30, 2025 · FY2025 Q3
Revenue in the quarter increased compared with the preceding quarter. It also rose versus the same quarter one year earlier.
Financial snapshot
Reported revenue, sequential change, year-over-year change, and trailing four-quarter revenue.
Quarter revenue
$1.8B
Revenue reported for this quarter.
Quarter-over-quarter
+2.5%
Change from the immediately preceding quarter.
Year-over-year
+12.6%
Change from the comparable year-ago quarter.
Trailing four quarters
$6.6B
Sum of the latest four reported quarters.
Quarterly revenue trend
The latest four reported quarters with year-over-year comparisons.
| Period ended | Revenue | Year-over-year change |
|---|---|---|
| Dec 31, 2024 | $1.6B | +11.4% |
| Mar 31, 2025 | $1.6B | +7.8% |
| Jun 30, 2025 | $1.7B | +11.6% |
| Sep 30, 2025 | $1.8B | +12.6% |
Revenue performance
The reported revenue reflects growth from both the immediate prior quarter and the year-ago quarter.
Quarterly comparison
Sequentially, revenue was higher than in the immediately preceding quarter. On a year-over-year basis, revenue was also above the level of the same quarter last year.
What to watch
Project Matterhorn transformation costs continue to be incurred and the program is scheduled to conclude by year-end.