Stocktoria

IRON MOUNTAIN INC IRM

NYSE · reit · Real Estate Investment Trusts · website · IPO 1996-02-01 · LEI

IRON MOUNTAIN INC statistics & valuation

Market cap$38.7B
P / S5.6×
Dividend yield2.38%
FCF margin-13.5%
Net debt$16.3B
Net debt / EBITDA7.4×
Enterprise value USD$54.9B
EV / EBITDA25.1×
Earnings yield EBIT/EV2.1%
Return on capital6.3%

Market cap as of 2026-06-30. Multiples are price-derived and refreshed daily; everything else from the latest financial reports.

Profitability & efficiency

Gross margin (%)
2016201720182019202020212022202320242025
Operating margin (%)
14.30% 16.50% 19.10% 18.30% 22.50% 19.00% 20.60% 16.80% 16.40% 16.90% 2016201720182019202020212022202320242025
Return on equity (%)
2016201720182019202020212022202320242025
Shares outstanding
263.7M 283.1M 286.7M 287.7M 288.6M 291.0M 292.4M 294.0M 296.2M 297.8M 2016201720182019202020212022202320242025
Net debt ($)
$6.01B $6.12B $7.98B $8.47B $8.50B $9.02B $10.43B $11.71B $13.56B $16.27B 2016201720182019202020212022202320242025
Share buybacks ($)
2016201720182019202020212022202320242025
Return on assets (%)
2016201720182019202020212022202320242025
Free cash flow margin (%)
6.10% 9.90% 11.30% 6.40% 13.20% 3.30% 1.00% -4.10% -9.70% -13.50% 2016201720182019202020212022202320242025
Debt / equity (×)
3.23× 3.07× 4.37× 5.92× 7.66× 10.82× 16.60× 56.35× 2016201720182019202020212022202320242025
EPS ($)
$0.42 $0.64 $1.23 $0.93 $1.19 $1.55 $1.90 $0.63 $0.61 $0.49 2016201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

P / E vs its own history

IRON MOUNTAIN INC trades at about 258.4× earnings — above its 10-year norm (10-year range 28.3×–188×, median 54.7×).

28.3× 258.4×

Shaded band = 10-year range (28.3×–188×); dot = today's 258.4×.

Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Operating margin16.9%16.4%16.8%20.6%19.0%22.5%18.3%19.1%16.5%14.3%
FCF margin-13.5%-9.7%-4.1%1.0%3.3%13.2%6.4%11.3%9.9%6.1%
Debt / equity-16.75×-27.27×56.35×16.60×10.82×7.66×5.92×4.37×3.07×3.23×
Current ratio0.740.550.780.810.710.640.630.811.471.06

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.