IR
IRM
Latest · Mar 31, 2026
Quarter ended Mar 31, 2026 · FY2026 Q1

Iron Mountain Incorporated stock research

Iron Mountain (IRM) Free Cash Flow & Quarterly History

Explore Iron Mountain Incorporated (IRM) free cash flow from 2023 through the latest reported quarter, with SEC-sourced operating cash flow, capital expenditures, and period-by-period analysis.

Free cash flow takeaway

A quick read on the company's cash generation and what it means for investors.

Revenue increased from both the prior quarter and the same quarter last year. Operating cash flow was lower than the prior quarter but higher than the year-ago quarter, while free cash flow remained negative but improved compared to the year-ago period.

  • Free cash flow turned negative as capital expenditure exceeded operating cash flow, resulting in a negative free cash flow margin. The ratio of operating cash flow to revenue was lower than the prior quarter but higher than the year-ago quarter.
  • Compared to the immediately preceding quarter, revenue was higher but operating cash flow was lower, leading to a weaker free cash flow margin. Versus the same quarter last year, revenue and operating cash flow were both higher, and capital expenditure was lower, resulting in an improved free cash flow margin.

FCF snapshot

Quarterly and TTM cash-flow metrics with the minimum valuation context.

TTM free cash flow

-$633.6M

Trailing twelve-month free cash flow.

Quarter free cash flow

-$179.5M

Free cash flow in the selected fiscal quarter.

Operating cash flow

$338.6M

Cash generated by operations before capital spending.

CapEx

$518.0M

Capital spending and related asset purchases.

FCF margin

-9.3%

The share of revenue converted into free cash flow.

TTM FCF yield

-1.8%

TTM FCF divided by market capitalization.

FCF reconciliation

Free cash flow is not a GAAP line item; it should be bridged from the cash flow statement.

Operating cash flow$338.6MCash generated by operations before capital spending.
Capital expenditures$518.0MCapital spending used to bridge CFO to FCF.
Free cash flow-$179.5MOperating cash flow less capital spending.

Cash flow trend

A short quarterly history shows whether FCF is scaling with revenue or only spiking for one period.

PeriodRevenueOperating CFCapExFCFFCF margin
2022-06-30$1.3B$291.4M$169.2M$122.2M9.5%
2022-09-30$1.3B$214.4M$266.6M-$52.1M-4.1%
2022-12-31$1.3B$367.3M$278.6M$88.8M6.9%
2023-03-31$1.3B$128.8M$265.9M-$137.1M-10.4%
2023-06-30$1.4B$317.3M$334.9M-$17.6M-1.3%
2023-09-30$1.4B$220.3M$361.5M-$141.3M-10.2%
2023-12-31$1.4B$447.2M$376.9M$70.3M4.9%
2024-03-31$1.5B$130.0M$381.1M-$251.1M-17.0%
2024-06-30$1.5B$382.2M$396.8M-$14.6M-1.0%
2024-09-30$1.6B$252.9M$396.1M-$143.2M-9.2%
2024-12-31$1.6B$431.6M$617.6M-$186.0M-11.8%
2025-03-31$1.6B$197.3M$674.8M-$477.5M-30.0%
2025-06-30$1.7B$375.1M$556.8M-$181.6M-10.6%
2025-09-30$1.8B$267.6M$523.9M-$256.3M-14.6%
2025-12-31$1.8B$500.0M$516.2M-$16.2M-0.9%
2026-03-31$1.9B$338.6M$518.0M-$179.5M-9.3%

Cash conversion quality

Checks that separate high-quality free cash flow from accounting noise or working-capital timing.

FCF / net income-120.4%Shows whether accounting earnings convert into cash.
CapEx / revenue26.8%Lower capital intensity usually supports FCF margin.
Net cash-$16.9BCash and equivalents minus total debt.

Recent events shaping cash flow

Near-term business events that help explain the free cash flow result.

Supportive

Year-over-Year Cash Flow Improvement

The increase in operating cash flow compared to the year-ago quarter, supported by higher net income as noted in the filing, combined with a reduction in capital expenditure, drove a notable improvement in free cash flow.

This improvement indicates a stronger cash conversion relative to the prior year, although the company still reported negative free cash flow.

What the cash flow says

How to interpret the company's free cash flow beyond the headline number.

Free cash flow turned negative as capital expenditure exceeded operating cash flow, resulting in a negative free cash flow margin. The ratio of operating cash flow to revenue was lower than the prior quarter but higher than the year-ago quarter.

Compared to the immediately preceding quarter, revenue was higher but operating cash flow was lower, leading to a weaker free cash flow margin. Versus the same quarter last year, revenue and operating cash flow were both higher, and capital expenditure was lower, resulting in an improved free cash flow margin.

Monitor the trend in capital expenditure relative to operating cash flow, as it continues to outpace cash from operations and sustains negative free cash flow.

Valuation context

A cash-flow page should show how much investors are paying for the cash stream, without turning into a full DCF.

Market capitalization$35.6BUsed as the denominator for FCF yield.
TTM FCF yield-1.8%TTM free cash flow divided by market capitalization.
EV / TTM FCF-82.9xA quick valuation bridge, not a full DCF.

Peer context

Free cash flow quality is easier to read against related public companies.

IR
IRM

Iron Mountain Incorporated

FCF margin

-9.3%

FCF yield

-1.8%

Risks and tripwires

Observable signals that would weaken the free cash flow thesis.

RiskTripwireWhy it matters
FCF margin compressionFCF margin falls for two consecutive quarters.Cash conversion may be weakening before earnings show it.
Capital intensity risesCapEx/revenue moves materially above the recent run rate.More operating cash flow would be consumed before becoming FCF.
Working capital dragInventory or receivables grow faster than revenue.Reported growth may not translate into cash.