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Side-by-side financial comparison of Iron Mountain (IRM) and Pure Storage, Inc. (PSTG). Click either name above to swap in a different company.

Iron Mountain is the larger business by last-quarter revenue ($1.8B vs $964.5M, roughly 1.9× Pure Storage, Inc.). Pure Storage, Inc. runs the higher net margin — 5.7% vs 5.1%, a 0.6% gap on every dollar of revenue. On growth, Iron Mountain posted the faster year-over-year revenue change (16.6% vs 16.0%). Pure Storage, Inc. produced more free cash flow last quarter ($52.6M vs $-16.2M). Over the past eight quarters, Iron Mountain's revenue compounded faster (11.7% CAGR vs 10.5%).

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.

Pure Storage, Inc. is an American publicly traded technology company headquartered in Santa Clara, California, United States. It develops all-flash data storage hardware and software products. Pure Storage was founded in 2009 and developed its products in stealth mode until 2011. Afterwards, the company grew in revenues by about 50% per quarter and raised more than $470 million in venture capital funding, before going public in 2015. Initially, Pure Storage developed the software for storage ...

IRM vs PSTG — Head-to-Head

Bigger by revenue
IRM
IRM
1.9× larger
IRM
$1.8B
$964.5M
PSTG
Growing faster (revenue YoY)
IRM
IRM
+0.5% gap
IRM
16.6%
16.0%
PSTG
Higher net margin
PSTG
PSTG
0.6% more per $
PSTG
5.7%
5.1%
IRM
More free cash flow
PSTG
PSTG
$68.8M more FCF
PSTG
$52.6M
$-16.2M
IRM
Faster 2-yr revenue CAGR
IRM
IRM
Annualised
IRM
11.7%
10.5%
PSTG

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
IRM
IRM
PSTG
PSTG
Revenue
$1.8B
$964.5M
Net Profit
$93.1M
$54.8M
Gross Margin
72.3%
Operating Margin
18.5%
5.6%
Net Margin
5.1%
5.7%
Revenue YoY
16.6%
16.0%
Net Profit YoY
-11.9%
-13.9%
EPS (diluted)
$0.31
$0.16

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
PSTG
PSTG
Q4 25
$1.8B
$964.5M
Q3 25
$1.8B
$861.0M
Q2 25
$1.7B
$778.5M
Q1 25
$1.6B
$879.8M
Q4 24
$1.6B
$831.1M
Q3 24
$1.6B
$763.8M
Q2 24
$1.5B
$693.5M
Q1 24
$1.5B
$789.8M
Net Profit
IRM
IRM
PSTG
PSTG
Q4 25
$93.1M
$54.8M
Q3 25
$86.2M
$47.1M
Q2 25
$-43.3M
$-14.0M
Q1 25
$16.2M
$42.4M
Q4 24
$105.7M
$63.6M
Q3 24
$-33.7M
$35.7M
Q2 24
$34.6M
$-35.0M
Q1 24
$77.0M
$65.4M
Gross Margin
IRM
IRM
PSTG
PSTG
Q4 25
72.3%
Q3 25
70.2%
Q2 25
68.9%
Q1 25
67.5%
Q4 24
70.1%
Q3 24
70.7%
Q2 24
71.5%
Q1 24
72.0%
Operating Margin
IRM
IRM
PSTG
PSTG
Q4 25
18.5%
5.6%
Q3 25
17.6%
0.6%
Q2 25
15.2%
-4.0%
Q1 25
16.0%
4.8%
Q4 24
17.9%
7.2%
Q3 24
16.1%
3.3%
Q2 24
15.0%
-6.0%
Q1 24
16.6%
7.3%
Net Margin
IRM
IRM
PSTG
PSTG
Q4 25
5.1%
5.7%
Q3 25
4.9%
5.5%
Q2 25
-2.5%
-1.8%
Q1 25
1.0%
4.8%
Q4 24
6.7%
7.7%
Q3 24
-2.2%
4.7%
Q2 24
2.3%
-5.0%
Q1 24
5.2%
8.3%
EPS (diluted)
IRM
IRM
PSTG
PSTG
Q4 25
$0.31
$0.16
Q3 25
$0.28
$0.14
Q2 25
$-0.15
$-0.04
Q1 25
$0.05
$0.13
Q4 24
$0.35
$0.19
Q3 24
$-0.11
$0.10
Q2 24
$0.12
$-0.11
Q1 24
$0.25
$0.22

Balance Sheet & Financial Strength

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

Metric
IRM
IRM
PSTG
PSTG
Cash + ST InvestmentsLiquidity on hand
$158.5M
$852.8M
Total DebtLower is stronger
$16.2B
Stockholders' EquityBook value
$-981.0M
$1.4B
Total Assets
$21.1B
$4.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRM
IRM
PSTG
PSTG
Q4 25
$158.5M
$852.8M
Q3 25
$887.8M
Q2 25
$739.3M
Q1 25
$723.6M
Q4 24
$155.7M
$894.6M
Q3 24
$965.0M
Q2 24
$900.6M
Q1 24
$702.5M
Total Debt
IRM
IRM
PSTG
PSTG
Q4 25
$16.2B
Q3 25
$15.5B
Q2 25
$14.8B
Q1 25
$14.2B
Q4 24
$13.0B
Q3 24
$13.2B
Q2 24
$12.8B
Q1 24
$12.6B
Stockholders' Equity
IRM
IRM
PSTG
PSTG
Q4 25
$-981.0M
$1.4B
Q3 25
$-882.0M
$1.3B
Q2 25
$-767.4M
$1.2B
Q1 25
$-698.5M
$1.3B
Q4 24
$-503.1M
$1.4B
Q3 24
$-259.0M
$1.5B
Q2 24
$-132.9M
$1.4B
Q1 24
$18.5M
$1.3B
Total Assets
IRM
IRM
PSTG
PSTG
Q4 25
$21.1B
$4.2B
Q3 25
$20.6B
$4.0B
Q2 25
$20.2B
$3.8B
Q1 25
$19.4B
$4.0B
Q4 24
$18.7B
$3.9B
Q3 24
$18.5B
$3.8B
Q2 24
$18.0B
$3.6B
Q1 24
$17.8B
$3.7B
Debt / Equity
IRM
IRM
PSTG
PSTG
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
679.18×

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
PSTG
PSTG
Operating Cash FlowLast quarter
$500.0M
$116.0M
Free Cash FlowOCF − Capex
$-16.2M
$52.6M
FCF MarginFCF / Revenue
-0.9%
5.5%
Capex IntensityCapex / Revenue
28.0%
6.6%
Cash ConversionOCF / Net Profit
5.37×
2.12×
TTM Free Cash FlowTrailing 4 quarters
$-931.6M
$566.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRM
IRM
PSTG
PSTG
Q4 25
$500.0M
$116.0M
Q3 25
$267.6M
$212.2M
Q2 25
$375.1M
$283.9M
Q1 25
$197.3M
$208.5M
Q4 24
$431.6M
$97.0M
Q3 24
$252.9M
$226.6M
Q2 24
$382.2M
$221.5M
Q1 24
$130.0M
$244.4M
Free Cash Flow
IRM
IRM
PSTG
PSTG
Q4 25
$-16.2M
$52.6M
Q3 25
$-256.3M
$150.1M
Q2 25
$-181.6M
$211.6M
Q1 25
$-477.5M
$152.4M
Q4 24
$-186.0M
$35.2M
Q3 24
$-143.2M
$166.6M
Q2 24
$-14.6M
$172.7M
Q1 24
$-251.1M
$200.9M
FCF Margin
IRM
IRM
PSTG
PSTG
Q4 25
-0.9%
5.5%
Q3 25
-14.6%
17.4%
Q2 25
-10.6%
27.2%
Q1 25
-30.0%
17.3%
Q4 24
-11.8%
4.2%
Q3 24
-9.2%
21.8%
Q2 24
-1.0%
24.9%
Q1 24
-17.0%
25.4%
Capex Intensity
IRM
IRM
PSTG
PSTG
Q4 25
28.0%
6.6%
Q3 25
29.9%
7.2%
Q2 25
32.5%
9.3%
Q1 25
42.4%
6.4%
Q4 24
39.1%
7.4%
Q3 24
25.4%
7.9%
Q2 24
25.9%
7.0%
Q1 24
25.8%
5.5%
Cash Conversion
IRM
IRM
PSTG
PSTG
Q4 25
5.37×
2.12×
Q3 25
3.10×
4.50×
Q2 25
Q1 25
12.15×
4.91×
Q4 24
4.08×
1.52×
Q3 24
6.35×
Q2 24
11.04×
Q1 24
1.69×
3.74×

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%

PSTG
PSTG

US$683.2M71%
Non Us$281.3M29%

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