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Side-by-side financial comparison of Iron Mountain (IRM) and WATSCO INC (WSO). 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× WATSCO INC). WATSCO INC runs the higher net margin — 6.1% vs 5.1%, a 1.0% gap on every dollar of revenue. On growth, Iron Mountain posted the faster year-over-year revenue change (16.6% vs 0.1%). Over the past eight quarters, Iron Mountain's revenue compounded faster (11.7% CAGR vs -15.3%).

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.

Watsco, Inc. is a distributor of air conditioning, heating and refrigeration equipment, and related parts and supplies (HVAC/R) in the United States. Watsco was founded more than 60 years ago as a manufacturer of parts, components, and tools used in the HVAC/R industry. In 1989, the company shifted from manufacturing to distribution, by acquiring Gemaire Distributors Inc., a South Florida-based Rheem distributor.

IRM vs WSO — Head-to-Head

Bigger by revenue
IRM
IRM
1.2× larger
IRM
$1.8B
$1.5B
WSO
Growing faster (revenue YoY)
IRM
IRM
+16.4% gap
IRM
16.6%
0.1%
WSO
Higher net margin
WSO
WSO
1.0% more per $
WSO
6.1%
5.1%
IRM
Faster 2-yr revenue CAGR
IRM
IRM
Annualised
IRM
11.7%
-15.3%
WSO

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
IRM
IRM
WSO
WSO
Revenue
$1.8B
$1.5B
Net Profit
$93.1M
$92.9M
Gross Margin
27.9%
Operating Margin
18.5%
7.2%
Net Margin
5.1%
6.1%
Revenue YoY
16.6%
0.1%
Net Profit YoY
-11.9%
-1.7%
EPS (diluted)
$0.31

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
WSO
WSO
Q1 26
$1.5B
Q4 25
$1.8B
$1.6B
Q3 25
$1.8B
$2.1B
Q2 25
$1.7B
$2.1B
Q1 25
$1.6B
$1.5B
Q4 24
$1.6B
$1.8B
Q3 24
$1.6B
$2.2B
Q2 24
$1.5B
$2.1B
Net Profit
IRM
IRM
WSO
WSO
Q1 26
$92.9M
Q4 25
$93.1M
$71.7M
Q3 25
$86.2M
$161.6M
Q2 25
$-43.3M
$183.6M
Q1 25
$16.2M
$80.1M
Q4 24
$105.7M
$96.8M
Q3 24
$-33.7M
$171.0M
Q2 24
$34.6M
$181.4M
Gross Margin
IRM
IRM
WSO
WSO
Q1 26
27.9%
Q4 25
27.1%
Q3 25
27.5%
Q2 25
29.3%
Q1 25
28.1%
Q4 24
26.7%
Q3 24
26.2%
Q2 24
27.1%
Operating Margin
IRM
IRM
WSO
WSO
Q1 26
7.2%
Q4 25
18.5%
6.4%
Q3 25
17.6%
11.4%
Q2 25
15.2%
13.2%
Q1 25
16.0%
7.3%
Q4 24
17.9%
7.8%
Q3 24
16.1%
11.6%
Q2 24
15.0%
12.6%
Net Margin
IRM
IRM
WSO
WSO
Q1 26
6.1%
Q4 25
5.1%
4.5%
Q3 25
4.9%
7.8%
Q2 25
-2.5%
8.9%
Q1 25
1.0%
5.2%
Q4 24
6.7%
5.5%
Q3 24
-2.2%
7.9%
Q2 24
2.3%
8.5%
EPS (diluted)
IRM
IRM
WSO
WSO
Q1 26
Q4 25
$0.31
$1.82
Q3 25
$0.28
$3.98
Q2 25
$-0.15
$4.52
Q1 25
$0.05
$1.93
Q4 24
$0.35
$2.42
Q3 24
$-0.11
$4.22
Q2 24
$0.12
$4.49

Balance Sheet & Financial Strength

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

Metric
IRM
IRM
WSO
WSO
Cash + ST InvestmentsLiquidity on hand
$158.5M
$392.7M
Total DebtLower is stronger
$16.2B
Stockholders' EquityBook value
$-981.0M
$3.2B
Total Assets
$21.1B
$4.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRM
IRM
WSO
WSO
Q1 26
$392.7M
Q4 25
$158.5M
$733.3M
Q3 25
$524.3M
Q2 25
$293.0M
Q1 25
$431.8M
Q4 24
$155.7M
$781.9M
Q3 24
$550.0M
Q2 24
$424.9M
Total Debt
IRM
IRM
WSO
WSO
Q1 26
Q4 25
$16.2B
$361.6M
Q3 25
$15.5B
$340.8M
Q2 25
$14.8B
$338.7M
Q1 25
$14.2B
$346.4M
Q4 24
$13.0B
$337.2M
Q3 24
$13.2B
$321.0M
Q2 24
$12.8B
$307.1M
Stockholders' Equity
IRM
IRM
WSO
WSO
Q1 26
$3.2B
Q4 25
$-981.0M
$2.8B
Q3 25
$-882.0M
$2.8B
Q2 25
$-767.4M
$2.8B
Q1 25
$-698.5M
$2.7B
Q4 24
$-503.1M
$2.7B
Q3 24
$-259.0M
$2.7B
Q2 24
$-132.9M
$2.6B
Total Assets
IRM
IRM
WSO
WSO
Q1 26
$4.6B
Q4 25
$21.1B
$4.4B
Q3 25
$20.6B
$4.6B
Q2 25
$20.2B
$4.7B
Q1 25
$19.4B
$4.5B
Q4 24
$18.7B
$4.5B
Q3 24
$18.5B
$4.5B
Q2 24
$18.0B
$4.4B
Debt / Equity
IRM
IRM
WSO
WSO
Q1 26
Q4 25
0.13×
Q3 25
0.12×
Q2 25
0.12×
Q1 25
0.13×
Q4 24
0.13×
Q3 24
0.12×
Q2 24
0.12×

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
WSO
WSO
Operating Cash FlowLast quarter
$500.0M
Free Cash FlowOCF − Capex
$-16.2M
FCF MarginFCF / Revenue
-0.9%
Capex IntensityCapex / Revenue
28.0%
Cash ConversionOCF / Net Profit
5.37×
TTM Free Cash FlowTrailing 4 quarters
$-931.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRM
IRM
WSO
WSO
Q1 26
Q4 25
$500.0M
$399.8M
Q3 25
$267.6M
$354.9M
Q2 25
$375.1M
$-7.4M
Q1 25
$197.3M
$-177.6M
Q4 24
$431.6M
$378.9M
Q3 24
$252.9M
$232.8M
Q2 24
$382.2M
$57.7M
Free Cash Flow
IRM
IRM
WSO
WSO
Q1 26
Q4 25
$-16.2M
$388.5M
Q3 25
$-256.3M
$346.1M
Q2 25
$-181.6M
$-14.3M
Q1 25
$-477.5M
$-185.2M
Q4 24
$-186.0M
$370.9M
Q3 24
$-143.2M
$223.0M
Q2 24
$-14.6M
$51.3M
FCF Margin
IRM
IRM
WSO
WSO
Q1 26
Q4 25
-0.9%
24.6%
Q3 25
-14.6%
16.7%
Q2 25
-10.6%
-0.7%
Q1 25
-30.0%
-12.1%
Q4 24
-11.8%
21.1%
Q3 24
-9.2%
10.3%
Q2 24
-1.0%
2.4%
Capex Intensity
IRM
IRM
WSO
WSO
Q1 26
Q4 25
28.0%
0.7%
Q3 25
29.9%
0.4%
Q2 25
32.5%
0.3%
Q1 25
42.4%
0.5%
Q4 24
39.1%
0.5%
Q3 24
25.4%
0.5%
Q2 24
25.9%
0.3%
Cash Conversion
IRM
IRM
WSO
WSO
Q1 26
Q4 25
5.37×
5.57×
Q3 25
3.10×
2.20×
Q2 25
-0.04×
Q1 25
12.15×
-2.22×
Q4 24
4.08×
3.91×
Q3 24
1.36×
Q2 24
11.04×
0.32×

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%

WSO
WSO

Segment breakdown not available.

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