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

Iron Mountain is the larger business by last-quarter revenue ($1.8B vs $1.8B, roughly 1.0× Vulcan Materials Company). Vulcan Materials Company runs the higher net margin — 9.4% vs 5.1%, a 4.3% gap on every dollar of revenue. On growth, Iron Mountain posted the faster year-over-year revenue change (16.6% vs 7.4%). Over the past eight quarters, Iron Mountain's revenue compounded faster (11.7% CAGR vs -6.6%).

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.

Vulcan Materials Company is an American company based in Birmingham, Alabama. It is principally engaged in the production, distribution and sale of construction materials. Vulcan is the largest producer of construction materials, primarily gravel, crushed stone, and sand, and employs approximately 12,000 people at over 400 facilities. Vulcan serves 22 states, the District of Columbia, Mexico, Canada, Bahamas and the U.S. Virgin Islands.

IRM vs VMC — Head-to-Head

Bigger by revenue
IRM
IRM
1.0× larger
IRM
$1.8B
$1.8B
VMC
Growing faster (revenue YoY)
IRM
IRM
+9.2% gap
IRM
16.6%
7.4%
VMC
Higher net margin
VMC
VMC
4.3% more per $
VMC
9.4%
5.1%
IRM
Faster 2-yr revenue CAGR
IRM
IRM
Annualised
IRM
11.7%
-6.6%
VMC

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
IRM
IRM
VMC
VMC
Revenue
$1.8B
$1.8B
Net Profit
$93.1M
$165.0M
Gross Margin
24.1%
Operating Margin
18.5%
15.1%
Net Margin
5.1%
9.4%
Revenue YoY
16.6%
7.4%
Net Profit YoY
-11.9%
27.9%
EPS (diluted)
$0.31
$1.35

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
VMC
VMC
Q1 26
$1.8B
Q4 25
$1.8B
$1.9B
Q3 25
$1.8B
$2.3B
Q2 25
$1.7B
$2.1B
Q1 25
$1.6B
$1.6B
Q4 24
$1.6B
$1.9B
Q3 24
$1.6B
$2.0B
Q2 24
$1.5B
$2.0B
Net Profit
IRM
IRM
VMC
VMC
Q1 26
$165.0M
Q4 25
$93.1M
$252.0M
Q3 25
$86.2M
$374.9M
Q2 25
$-43.3M
$320.9M
Q1 25
$16.2M
$128.9M
Q4 24
$105.7M
$293.6M
Q3 24
$-33.7M
$207.6M
Q2 24
$34.6M
$308.0M
Gross Margin
IRM
IRM
VMC
VMC
Q1 26
24.1%
Q4 25
25.5%
Q3 25
30.4%
Q2 25
29.7%
Q1 25
22.3%
Q4 24
29.0%
Q3 24
28.2%
Q2 24
29.4%
Operating Margin
IRM
IRM
VMC
VMC
Q1 26
15.1%
Q4 25
18.5%
19.8%
Q3 25
17.6%
23.7%
Q2 25
15.2%
22.4%
Q1 25
16.0%
13.9%
Q4 24
17.9%
21.6%
Q3 24
16.1%
16.8%
Q2 24
15.0%
22.5%
Net Margin
IRM
IRM
VMC
VMC
Q1 26
9.4%
Q4 25
5.1%
13.2%
Q3 25
4.9%
16.4%
Q2 25
-2.5%
15.3%
Q1 25
1.0%
7.9%
Q4 24
6.7%
15.8%
Q3 24
-2.2%
10.4%
Q2 24
2.3%
15.3%
EPS (diluted)
IRM
IRM
VMC
VMC
Q1 26
$1.35
Q4 25
$0.31
$1.90
Q3 25
$0.28
$2.82
Q2 25
$-0.15
$2.42
Q1 25
$0.05
$0.97
Q4 24
$0.35
$2.21
Q3 24
$-0.11
$1.56
Q2 24
$0.12
$2.31

Balance Sheet & Financial Strength

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

Metric
IRM
IRM
VMC
VMC
Cash + ST InvestmentsLiquidity on hand
$158.5M
$140.2M
Total DebtLower is stronger
$16.2B
$4.4B
Stockholders' EquityBook value
$-981.0M
$8.5B
Total Assets
$21.1B
$16.7B
Debt / EquityLower = less leverage
0.51×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRM
IRM
VMC
VMC
Q1 26
$140.2M
Q4 25
$158.5M
$183.3M
Q3 25
$191.3M
Q2 25
$347.4M
Q1 25
$181.3M
Q4 24
$155.7M
$559.7M
Q3 24
$433.2M
Q2 24
$111.0M
Total Debt
IRM
IRM
VMC
VMC
Q1 26
$4.4B
Q4 25
$16.2B
$4.4B
Q3 25
$15.5B
$4.4B
Q2 25
$14.8B
$4.4B
Q1 25
$14.2B
$4.9B
Q4 24
$13.0B
$5.3B
Q3 24
$13.2B
$3.3B
Q2 24
$12.8B
$3.3B
Stockholders' Equity
IRM
IRM
VMC
VMC
Q1 26
$8.5B
Q4 25
$-981.0M
$8.5B
Q3 25
$-882.0M
$8.7B
Q2 25
$-767.4M
$8.4B
Q1 25
$-698.5M
$8.1B
Q4 24
$-503.1M
$8.1B
Q3 24
$-259.0M
$7.9B
Q2 24
$-132.9M
$7.7B
Total Assets
IRM
IRM
VMC
VMC
Q1 26
$16.7B
Q4 25
$21.1B
$16.7B
Q3 25
$20.6B
$17.0B
Q2 25
$20.2B
$17.0B
Q1 25
$19.4B
$16.7B
Q4 24
$18.7B
$17.1B
Q3 24
$18.5B
$14.4B
Q2 24
$18.0B
$14.2B
Debt / Equity
IRM
IRM
VMC
VMC
Q1 26
0.51×
Q4 25
0.51×
Q3 25
0.50×
Q2 25
0.52×
Q1 25
0.60×
Q4 24
0.65×
Q3 24
0.42×
Q2 24
0.43×

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
VMC
VMC
Operating Cash FlowLast quarter
$500.0M
$241.1M
Free Cash FlowOCF − Capex
$-16.2M
FCF MarginFCF / Revenue
-0.9%
Capex IntensityCapex / Revenue
28.0%
Cash ConversionOCF / Net Profit
5.37×
1.46×
TTM Free Cash FlowTrailing 4 quarters
$-931.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRM
IRM
VMC
VMC
Q1 26
$241.1M
Q4 25
$500.0M
$543.0M
Q3 25
$267.6M
$676.8M
Q2 25
$375.1M
$341.7M
Q1 25
$197.3M
$251.5M
Q4 24
$431.6M
$440.1M
Q3 24
$252.9M
$595.0M
Q2 24
$382.2M
$201.1M
Free Cash Flow
IRM
IRM
VMC
VMC
Q1 26
Q4 25
$-16.2M
$358.2M
Q3 25
$-256.3M
$454.8M
Q2 25
$-181.6M
$238.8M
Q1 25
$-477.5M
$83.5M
Q4 24
$-186.0M
$277.6M
Q3 24
$-143.2M
$498.2M
Q2 24
$-14.6M
$9.7M
FCF Margin
IRM
IRM
VMC
VMC
Q1 26
Q4 25
-0.9%
18.7%
Q3 25
-14.6%
19.8%
Q2 25
-10.6%
11.4%
Q1 25
-30.0%
5.1%
Q4 24
-11.8%
15.0%
Q3 24
-9.2%
24.9%
Q2 24
-1.0%
0.5%
Capex Intensity
IRM
IRM
VMC
VMC
Q1 26
Q4 25
28.0%
9.7%
Q3 25
29.9%
9.7%
Q2 25
32.5%
4.9%
Q1 25
42.4%
10.3%
Q4 24
39.1%
8.8%
Q3 24
25.4%
4.8%
Q2 24
25.9%
9.5%
Cash Conversion
IRM
IRM
VMC
VMC
Q1 26
1.46×
Q4 25
5.37×
2.15×
Q3 25
3.10×
1.81×
Q2 25
1.06×
Q1 25
12.15×
1.95×
Q4 24
4.08×
1.50×
Q3 24
2.87×
Q2 24
11.04×
0.65×

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%

VMC
VMC

Segment breakdown not available.

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