What is Iron Mountain's interest expense?

Iron Mountain (IRM) reported interest expense of -$223.82M in Q1 2026.

How has Iron Mountain's interest expense changed year-over-year?

Iron Mountain's interest expense decreased by 14.9% year-over-year, from -$194.74M to -$223.82M.

What is the long-term trend for Iron Mountain's interest expense?

Over 2 years (2022 to 2025), Iron Mountain's interest expense has grown at a 30.4% compound annual growth rate (CAGR), from -$488.01M to -$829.34M.

What does interest expense mean?

Cost of borrowing — interest paid or accrued on bonds, bank loans, credit facilities, finance leases, and other debt obligations.

Iron Mountain IRM Interest Expense

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Segments

By segment

See full

CORPORATE AND OTHER$42.5M-36.8%

Other financials

Income statement

See full

Revenue$1.9B+21.6%

Gross profit$1.0B+18.6%

Operating income$395.2M+55.4%

Net income$149.0M+818%

EPS (diluted)$0.48+860%

Balance sheet

See full

Cash & equivalents$250.7M+61.4%

Total debt$20.2B+13.6%

Total equity-$1.2B-73.9%

Total assets$21.5B+11.0%

Cash flow

See full

Operating cash flow$338.6M+71.6%

CapEx$518.0M-23.2%

Free cash flow-$179.5M+62.4%

Valuation

See full

Market cap$39.4B+26.9%

Enterprise value$59.34B+20.2%

P/E138.3×-553×

P/S5.4×+0.6×

Profitability

See full

Gross margin55%-1.0pp

Operating margin18%+1.8pp

Net margin3.9%+2.0pp

FCF margin-8.7%-2.2pp

Returns & leverage

See full

Return on equity70.5%-19.4pp

Debt / equity855.6×+830×

Current ratio0.8×+0.2×

Where this comes from

Reported directly by Iron Mountain in its filing.

Tagged under the XBRL concept us-gaap:InterestIncomeExpenseNonoperatingNet.

The official record: Iron Mountain’s 10-Q, filed April 30, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Iron Mountain's interest expense?: Iron Mountain (IRM) reported interest expense of -$223.82M in Q1 2026.
How has Iron Mountain's interest expense changed year-over-year?: Iron Mountain's interest expense decreased by 14.9% year-over-year, from -$194.74M to -$223.82M.
What is the long-term trend for Iron Mountain's interest expense?: Over 2 years (2022 to 2025), Iron Mountain's interest expense has grown at a 30.4% compound annual growth rate (CAGR), from -$488.01M to -$829.34M.
What does interest expense mean?: Cost of borrowing — interest paid or accrued on bonds, bank loans, credit facilities, finance leases, and other debt obligations.