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Side-by-side financial comparison of Iron Mountain (IRM) and RESIDEO TECHNOLOGIES, INC. (REZI). Click either name above to swap in a different company.

RESIDEO TECHNOLOGIES, INC. is the larger business by last-quarter revenue ($1.9B vs $1.8B, roughly 1.0× Iron Mountain). RESIDEO TECHNOLOGIES, INC. runs the higher net margin — 7.2% vs 5.1%, a 2.1% gap on every dollar of revenue. On growth, Iron Mountain posted the faster year-over-year revenue change (16.6% vs 2.0%). RESIDEO TECHNOLOGIES, INC. produced more free cash flow last quarter ($262.0M vs $-16.2M). Over the past eight quarters, RESIDEO TECHNOLOGIES, INC.'s revenue compounded faster (12.9% 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.

Resideo Technologies, Inc. is an American multinational company that was formed in 2018 out of a spin-off from Honeywell. It provides room air temperature, quality, and humidity control and security systems primarily in residential dwellings in the U.S. and internationally. The company operates in two segments: products and distribution. It manufactures and distributes smart-home and software products, including temperature and lighting control, security, and water and air monitoring. The com...

IRM vs REZI — Head-to-Head

Bigger by revenue
REZI
REZI
1.0× larger
REZI
$1.9B
$1.8B
IRM
Growing faster (revenue YoY)
IRM
IRM
+14.6% gap
IRM
16.6%
2.0%
REZI
Higher net margin
REZI
REZI
2.1% more per $
REZI
7.2%
5.1%
IRM
More free cash flow
REZI
REZI
$278.2M more FCF
REZI
$262.0M
$-16.2M
IRM
Faster 2-yr revenue CAGR
REZI
REZI
Annualised
REZI
12.9%
11.7%
IRM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IRM
IRM
REZI
REZI
Revenue
$1.8B
$1.9B
Net Profit
$93.1M
$136.0M
Gross Margin
29.6%
Operating Margin
18.5%
7.4%
Net Margin
5.1%
7.2%
Revenue YoY
16.6%
2.0%
Net Profit YoY
-11.9%
491.3%
EPS (diluted)
$0.31
$0.99

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
REZI
REZI
Q4 25
$1.8B
$1.9B
Q3 25
$1.8B
$1.9B
Q2 25
$1.7B
$1.9B
Q1 25
$1.6B
$1.8B
Q4 24
$1.6B
$1.9B
Q3 24
$1.6B
$1.8B
Q2 24
$1.5B
$1.6B
Q1 24
$1.5B
$1.5B
Net Profit
IRM
IRM
REZI
REZI
Q4 25
$93.1M
$136.0M
Q3 25
$86.2M
$156.0M
Q2 25
$-43.3M
$-825.0M
Q1 25
$16.2M
$6.0M
Q4 24
$105.7M
$23.0M
Q3 24
$-33.7M
$20.0M
Q2 24
$34.6M
$30.0M
Q1 24
$77.0M
$43.0M
Gross Margin
IRM
IRM
REZI
REZI
Q4 25
29.6%
Q3 25
29.8%
Q2 25
29.3%
Q1 25
28.9%
Q4 24
28.5%
Q3 24
28.7%
Q2 24
28.1%
Q1 24
26.9%
Operating Margin
IRM
IRM
REZI
REZI
Q4 25
18.5%
7.4%
Q3 25
17.6%
8.3%
Q2 25
15.2%
9.1%
Q1 25
16.0%
7.7%
Q4 24
17.9%
7.8%
Q3 24
16.1%
6.9%
Q2 24
15.0%
7.7%
Q1 24
16.6%
8.6%
Net Margin
IRM
IRM
REZI
REZI
Q4 25
5.1%
7.2%
Q3 25
4.9%
8.4%
Q2 25
-2.5%
-42.5%
Q1 25
1.0%
0.3%
Q4 24
6.7%
1.2%
Q3 24
-2.2%
1.1%
Q2 24
2.3%
1.9%
Q1 24
5.2%
2.9%
EPS (diluted)
IRM
IRM
REZI
REZI
Q4 25
$0.31
$0.99
Q3 25
$0.28
$0.85
Q2 25
$-0.15
$-5.59
Q1 25
$0.05
$-0.02
Q4 24
$0.35
$0.06
Q3 24
$-0.11
$0.07
Q2 24
$0.12
$0.19
Q1 24
$0.25
$0.29

Balance Sheet & Financial Strength

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

Metric
IRM
IRM
REZI
REZI
Cash + ST InvestmentsLiquidity on hand
$158.5M
$661.0M
Total DebtLower is stronger
$16.2B
$3.2B
Stockholders' EquityBook value
$-981.0M
$2.9B
Total Assets
$21.1B
$8.4B
Debt / EquityLower = less leverage
1.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRM
IRM
REZI
REZI
Q4 25
$158.5M
$661.0M
Q3 25
$345.0M
Q2 25
$753.0M
Q1 25
$577.0M
Q4 24
$155.7M
$692.0M
Q3 24
$531.0M
Q2 24
$413.0M
Q1 24
$603.0M
Total Debt
IRM
IRM
REZI
REZI
Q4 25
$16.2B
$3.2B
Q3 25
$15.5B
$3.2B
Q2 25
$14.8B
$2.0B
Q1 25
$14.2B
$2.0B
Q4 24
$13.0B
$2.0B
Q3 24
$13.2B
$2.0B
Q2 24
$12.8B
$2.0B
Q1 24
$12.6B
$1.4B
Stockholders' Equity
IRM
IRM
REZI
REZI
Q4 25
$-981.0M
$2.9B
Q3 25
$-882.0M
$2.8B
Q2 25
$-767.4M
$2.6B
Q1 25
$-698.5M
$3.3B
Q4 24
$-503.1M
$3.3B
Q3 24
$-259.0M
$3.4B
Q2 24
$-132.9M
$3.3B
Q1 24
$18.5M
$2.8B
Total Assets
IRM
IRM
REZI
REZI
Q4 25
$21.1B
$8.4B
Q3 25
$20.6B
$8.2B
Q2 25
$20.2B
$8.5B
Q1 25
$19.4B
$8.1B
Q4 24
$18.7B
$8.2B
Q3 24
$18.5B
$8.1B
Q2 24
$18.0B
$8.0B
Q1 24
$17.8B
$6.5B
Debt / Equity
IRM
IRM
REZI
REZI
Q4 25
1.11×
Q3 25
1.17×
Q2 25
0.77×
Q1 25
0.60×
Q4 24
0.61×
Q3 24
0.60×
Q2 24
0.61×
Q1 24
679.18×
0.51×

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
REZI
REZI
Operating Cash FlowLast quarter
$500.0M
$299.0M
Free Cash FlowOCF − Capex
$-16.2M
$262.0M
FCF MarginFCF / Revenue
-0.9%
13.8%
Capex IntensityCapex / Revenue
28.0%
2.0%
Cash ConversionOCF / Net Profit
5.37×
2.20×
TTM Free Cash FlowTrailing 4 quarters
$-931.6M
$-1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRM
IRM
REZI
REZI
Q4 25
$500.0M
$299.0M
Q3 25
$267.6M
$-1.6B
Q2 25
$375.1M
$200.0M
Q1 25
$197.3M
$-65.0M
Q4 24
$431.6M
$203.0M
Q3 24
$252.9M
$147.0M
Q2 24
$382.2M
$92.0M
Q1 24
$130.0M
$2.0M
Free Cash Flow
IRM
IRM
REZI
REZI
Q4 25
$-16.2M
$262.0M
Q3 25
$-256.3M
$-1.6B
Q2 25
$-181.6M
$180.0M
Q1 25
$-477.5M
$-96.0M
Q4 24
$-186.0M
$181.0M
Q3 24
$-143.2M
$125.0M
Q2 24
$-14.6M
$77.0M
Q1 24
$-251.1M
$-19.0M
FCF Margin
IRM
IRM
REZI
REZI
Q4 25
-0.9%
13.8%
Q3 25
-14.6%
-85.8%
Q2 25
-10.6%
9.3%
Q1 25
-30.0%
-5.4%
Q4 24
-11.8%
9.7%
Q3 24
-9.2%
6.8%
Q2 24
-1.0%
4.8%
Q1 24
-17.0%
-1.3%
Capex Intensity
IRM
IRM
REZI
REZI
Q4 25
28.0%
2.0%
Q3 25
29.9%
1.5%
Q2 25
32.5%
1.0%
Q1 25
42.4%
1.8%
Q4 24
39.1%
1.2%
Q3 24
25.4%
1.2%
Q2 24
25.9%
0.9%
Q1 24
25.8%
1.4%
Cash Conversion
IRM
IRM
REZI
REZI
Q4 25
5.37×
2.20×
Q3 25
3.10×
-10.07×
Q2 25
Q1 25
12.15×
-10.83×
Q4 24
4.08×
8.83×
Q3 24
7.35×
Q2 24
11.04×
3.07×
Q1 24
1.69×
0.05×

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%

REZI
REZI

ADI Global Distribution Segment$1.2B62%
Safety And Security$257.0M14%
Air$211.0M11%
Energy Service$153.0M8%
Public Utilities Inventory Water$91.0M5%

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