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Side-by-side financial comparison of Iron Mountain (IRM) and Steris (STE). Click either name above to swap in a different company.

Iron Mountain is the larger business by last-quarter revenue ($1.8B vs $1.5B, roughly 1.2× Steris). Steris runs the higher net margin — 12.9% vs 5.1%, a 7.8% gap on every dollar of revenue. On growth, Iron Mountain posted the faster year-over-year revenue change (16.6% vs 9.2%). Steris produced more free cash flow last quarter ($199.5M vs $-16.2M). Over the past eight quarters, Steris's revenue compounded faster (15.8% CAGR vs 11.7%).

Iron Mountain Inc. is an American enterprise information management services company founded in 1951 and headquartered in Portsmouth, New Hampshire. Its records management, information destruction, and data backup and recovery services are supplied to more than 220,000 customers in 58 countries throughout North America, Europe, Latin America, Africa, Asia, and Oceania.

Steris plc is an American-Irish-based medical equipment company specializing in sterilization and surgical products for the US healthcare system. Steris is operationally headquartered in Mentor, Ohio, and has been legally registered in Dublin, Ireland, for tax purposes since 2018. Previously the company was registered in the United Kingdom from 2014 to 2018.

IRM vs STE — Head-to-Head

Bigger by revenue
IRM
IRM
1.2× larger
IRM
$1.8B
$1.5B
STE
Growing faster (revenue YoY)
IRM
IRM
+7.4% gap
IRM
16.6%
9.2%
STE
Higher net margin
STE
STE
7.8% more per $
STE
12.9%
5.1%
IRM
More free cash flow
STE
STE
$215.7M more FCF
STE
$199.5M
$-16.2M
IRM
Faster 2-yr revenue CAGR
STE
STE
Annualised
STE
15.8%
11.7%
IRM

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
IRM
IRM
STE
STE
Revenue
$1.8B
$1.5B
Net Profit
$93.1M
$192.9M
Gross Margin
43.8%
Operating Margin
18.5%
18.3%
Net Margin
5.1%
12.9%
Revenue YoY
16.6%
9.2%
Net Profit YoY
-11.9%
11.2%
EPS (diluted)
$0.31
$1.96

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
IRM
IRM
STE
STE
Q4 25
$1.8B
$1.5B
Q3 25
$1.8B
$1.5B
Q2 25
$1.7B
$1.4B
Q1 25
$1.6B
$1.5B
Q4 24
$1.6B
$1.4B
Q3 24
$1.6B
$1.3B
Q2 24
$1.5B
$1.3B
Q1 24
$1.5B
$1.1B
Net Profit
IRM
IRM
STE
STE
Q4 25
$93.1M
$192.9M
Q3 25
$86.2M
$191.9M
Q2 25
$-43.3M
$177.4M
Q1 25
$16.2M
$145.7M
Q4 24
$105.7M
$173.5M
Q3 24
$-33.7M
$150.0M
Q2 24
$34.6M
$145.4M
Q1 24
$77.0M
$-1.4M
Gross Margin
IRM
IRM
STE
STE
Q4 25
43.8%
Q3 25
44.2%
Q2 25
45.1%
Q1 25
43.3%
Q4 24
44.5%
Q3 24
43.6%
Q2 24
44.7%
Q1 24
40.2%
Operating Margin
IRM
IRM
STE
STE
Q4 25
18.5%
18.3%
Q3 25
17.6%
18.2%
Q2 25
15.2%
17.7%
Q1 25
16.0%
14.6%
Q4 24
17.9%
17.9%
Q3 24
16.1%
16.5%
Q2 24
15.0%
14.5%
Q1 24
16.6%
22.0%
Net Margin
IRM
IRM
STE
STE
Q4 25
5.1%
12.9%
Q3 25
4.9%
13.1%
Q2 25
-2.5%
12.8%
Q1 25
1.0%
9.8%
Q4 24
6.7%
12.7%
Q3 24
-2.2%
11.3%
Q2 24
2.3%
11.4%
Q1 24
5.2%
-0.1%
EPS (diluted)
IRM
IRM
STE
STE
Q4 25
$0.31
$1.96
Q3 25
$0.28
$1.94
Q2 25
$-0.15
$1.79
Q1 25
$0.05
$1.48
Q4 24
$0.35
$1.75
Q3 24
$-0.11
$1.51
Q2 24
$0.12
$1.46
Q1 24
$0.25
$-0.02

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
IRM
IRM
STE
STE
Cash + ST InvestmentsLiquidity on hand
$158.5M
$423.7M
Total DebtLower is stronger
$16.2B
$1.9B
Stockholders' EquityBook value
$-981.0M
$7.2B
Total Assets
$21.1B
$10.6B
Debt / EquityLower = less leverage
0.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRM
IRM
STE
STE
Q4 25
$158.5M
$423.7M
Q3 25
$319.2M
Q2 25
$279.7M
Q1 25
$171.7M
Q4 24
$155.7M
$155.2M
Q3 24
$172.2M
Q2 24
$198.3M
Q1 24
$207.0M
Total Debt
IRM
IRM
STE
STE
Q4 25
$16.2B
$1.9B
Q3 25
$15.5B
$1.9B
Q2 25
$14.8B
$1.9B
Q1 25
$14.2B
$1.9B
Q4 24
$13.0B
$2.0B
Q3 24
$13.2B
$2.2B
Q2 24
$12.8B
$2.2B
Q1 24
$12.6B
$3.1B
Stockholders' Equity
IRM
IRM
STE
STE
Q4 25
$-981.0M
$7.2B
Q3 25
$-882.0M
$7.0B
Q2 25
$-767.4M
$7.0B
Q1 25
$-698.5M
$6.6B
Q4 24
$-503.1M
$6.4B
Q3 24
$-259.0M
$6.6B
Q2 24
$-132.9M
$6.4B
Q1 24
$18.5M
$6.3B
Total Assets
IRM
IRM
STE
STE
Q4 25
$21.1B
$10.6B
Q3 25
$20.6B
$10.4B
Q2 25
$20.2B
$10.4B
Q1 25
$19.4B
$10.1B
Q4 24
$18.7B
$10.0B
Q3 24
$18.5B
$10.2B
Q2 24
$18.0B
$10.1B
Q1 24
$17.8B
$11.1B
Debt / Equity
IRM
IRM
STE
STE
Q4 25
0.27×
Q3 25
0.27×
Q2 25
0.27×
Q1 25
0.29×
Q4 24
0.32×
Q3 24
0.33×
Q2 24
0.35×
Q1 24
679.18×
0.50×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
IRM
IRM
STE
STE
Operating Cash FlowLast quarter
$500.0M
$298.2M
Free Cash FlowOCF − Capex
$-16.2M
$199.5M
FCF MarginFCF / Revenue
-0.9%
13.3%
Capex IntensityCapex / Revenue
28.0%
6.6%
Cash ConversionOCF / Net Profit
5.37×
1.55×
TTM Free Cash FlowTrailing 4 quarters
$-931.6M
$917.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRM
IRM
STE
STE
Q4 25
$500.0M
$298.2M
Q3 25
$267.6M
$287.8M
Q2 25
$375.1M
$420.0M
Q1 25
$197.3M
$260.8M
Q4 24
$431.6M
$332.8M
Q3 24
$252.9M
$250.7M
Q2 24
$382.2M
$303.7M
Q1 24
$130.0M
$254.8M
Free Cash Flow
IRM
IRM
STE
STE
Q4 25
$-16.2M
$199.5M
Q3 25
$-256.3M
$201.3M
Q2 25
$-181.6M
$326.4M
Q1 25
$-477.5M
$189.9M
Q4 24
$-186.0M
$243.6M
Q3 24
$-143.2M
$148.8M
Q2 24
$-14.6M
$195.7M
Q1 24
$-251.1M
$163.3M
FCF Margin
IRM
IRM
STE
STE
Q4 25
-0.9%
13.3%
Q3 25
-14.6%
13.8%
Q2 25
-10.6%
23.5%
Q1 25
-30.0%
12.8%
Q4 24
-11.8%
17.8%
Q3 24
-9.2%
11.2%
Q2 24
-1.0%
15.3%
Q1 24
-17.0%
14.6%
Capex Intensity
IRM
IRM
STE
STE
Q4 25
28.0%
6.6%
Q3 25
29.9%
5.9%
Q2 25
32.5%
6.7%
Q1 25
42.4%
4.8%
Q4 24
39.1%
6.5%
Q3 24
25.4%
7.7%
Q2 24
25.9%
8.4%
Q1 24
25.8%
8.2%
Cash Conversion
IRM
IRM
STE
STE
Q4 25
5.37×
1.55×
Q3 25
3.10×
1.50×
Q2 25
2.37×
Q1 25
12.15×
1.79×
Q4 24
4.08×
1.92×
Q3 24
1.67×
Q2 24
11.04×
2.09×
Q1 24
1.69×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

IRM
IRM

Storage Rental$1.1B58%
Services$781.9M42%

STE
STE

Servicerevenues$404.7M27%
Consumablerevenues$387.1M26%
Applied Sterilization Technologies$286.6M19%
Capitalequipmentrevenues$272.1M18%
Life Science$145.8M10%

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