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

Amentum Holdings, Inc. is the larger business by last-quarter revenue ($3.2B vs $1.8B, roughly 1.8× Iron Mountain). Iron Mountain runs the higher net margin — 5.1% vs 1.4%, a 3.7% gap on every dollar of revenue. On growth, Iron Mountain posted the faster year-over-year revenue change (16.6% vs -5.2%). Iron Mountain produced more free cash flow last quarter ($-16.2M vs $-142.0M). Over the past eight quarters, Amentum Holdings, Inc.'s revenue compounded faster (25.6% CAGR vs 11.7%).

Jacobs Solutions Inc. is an American international technical professional services firm based in Dallas. The company provides engineering, technical, professional, and construction services as well as scientific and specialty consulting for a broad range of clients globally, including companies, organizations, and government agencies. Jacobs has consistently ranked No. 1 on both Engineering News-Record (ENR)'s 2018, 2019, 2020, 2021, 2022, and 2023 Top 500 Design Firms and Trenchless Technolo...

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.

AMTM vs IRM — Head-to-Head

Bigger by revenue
AMTM
AMTM
1.8× larger
AMTM
$3.2B
$1.8B
IRM
Growing faster (revenue YoY)
IRM
IRM
+21.8% gap
IRM
16.6%
-5.2%
AMTM
Higher net margin
IRM
IRM
3.7% more per $
IRM
5.1%
1.4%
AMTM
More free cash flow
IRM
IRM
$125.8M more FCF
IRM
$-16.2M
$-142.0M
AMTM
Faster 2-yr revenue CAGR
AMTM
AMTM
Annualised
AMTM
25.6%
11.7%
IRM

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
AMTM
AMTM
IRM
IRM
Revenue
$3.2B
$1.8B
Net Profit
$44.0M
$93.1M
Gross Margin
10.1%
Operating Margin
4.3%
18.5%
Net Margin
1.4%
5.1%
Revenue YoY
-5.2%
16.6%
Net Profit YoY
266.7%
-11.9%
EPS (diluted)
$0.18
$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
AMTM
AMTM
IRM
IRM
Q1 26
$3.2B
Q4 25
$3.9B
$1.8B
Q3 25
$1.8B
Q2 25
$3.6B
$1.7B
Q1 25
$3.5B
$1.6B
Q4 24
$3.4B
$1.6B
Q3 24
$2.2B
$1.6B
Q2 24
$2.1B
$1.5B
Net Profit
AMTM
AMTM
IRM
IRM
Q1 26
$44.0M
Q4 25
$40.0M
$93.1M
Q3 25
$86.2M
Q2 25
$10.0M
$-43.3M
Q1 25
$4.0M
$16.2M
Q4 24
$12.0M
$105.7M
Q3 24
$26.0M
$-33.7M
Q2 24
$-26.0M
$34.6M
Gross Margin
AMTM
AMTM
IRM
IRM
Q1 26
10.1%
Q4 25
10.6%
Q3 25
Q2 25
10.3%
Q1 25
10.5%
Q4 24
10.6%
Q3 24
9.0%
Q2 24
9.6%
Operating Margin
AMTM
AMTM
IRM
IRM
Q1 26
4.3%
Q4 25
3.4%
18.5%
Q3 25
17.6%
Q2 25
2.9%
15.2%
Q1 25
3.2%
16.0%
Q4 24
3.9%
17.9%
Q3 24
1.2%
16.1%
Q2 24
4.2%
15.0%
Net Margin
AMTM
AMTM
IRM
IRM
Q1 26
1.4%
Q4 25
1.0%
5.1%
Q3 25
4.9%
Q2 25
0.3%
-2.5%
Q1 25
0.1%
1.0%
Q4 24
0.4%
6.7%
Q3 24
1.2%
-2.2%
Q2 24
-1.2%
2.3%
EPS (diluted)
AMTM
AMTM
IRM
IRM
Q1 26
$0.18
Q4 25
$0.16
$0.31
Q3 25
$0.28
Q2 25
$0.04
$-0.15
Q1 25
$0.02
$0.05
Q4 24
$0.05
$0.35
Q3 24
$0.31
$-0.11
Q2 24
$-0.29
$0.12

Balance Sheet & Financial Strength

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

Metric
AMTM
AMTM
IRM
IRM
Cash + ST InvestmentsLiquidity on hand
$247.0M
$158.5M
Total DebtLower is stronger
$3.9B
$16.2B
Stockholders' EquityBook value
$4.6B
$-981.0M
Total Assets
$11.2B
$21.1B
Debt / EquityLower = less leverage
0.86×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMTM
AMTM
IRM
IRM
Q1 26
$247.0M
Q4 25
$437.0M
$158.5M
Q3 25
Q2 25
$738.0M
Q1 25
$546.0M
Q4 24
$522.0M
$155.7M
Q3 24
$452.0M
Q2 24
Total Debt
AMTM
AMTM
IRM
IRM
Q1 26
$3.9B
Q4 25
$3.9B
$16.2B
Q3 25
$15.5B
Q2 25
$4.5B
$14.8B
Q1 25
$4.7B
$14.2B
Q4 24
$4.7B
$13.0B
Q3 24
$4.7B
$13.2B
Q2 24
$12.8B
Stockholders' Equity
AMTM
AMTM
IRM
IRM
Q1 26
$4.6B
Q4 25
$4.5B
$-981.0M
Q3 25
$-882.0M
Q2 25
$4.5B
$-767.4M
Q1 25
$4.4B
$-698.5M
Q4 24
$4.5B
$-503.1M
Q3 24
$4.5B
$-259.0M
Q2 24
$303.0M
$-132.9M
Total Assets
AMTM
AMTM
IRM
IRM
Q1 26
$11.2B
Q4 25
$11.5B
$21.1B
Q3 25
$20.6B
Q2 25
$11.8B
$20.2B
Q1 25
$12.0B
$19.4B
Q4 24
$11.9B
$18.7B
Q3 24
$12.0B
$18.5B
Q2 24
$18.0B
Debt / Equity
AMTM
AMTM
IRM
IRM
Q1 26
0.86×
Q4 25
0.88×
Q3 25
Q2 25
1.01×
Q1 25
1.06×
Q4 24
1.05×
Q3 24
1.05×
Q2 24

Cash Flow & Capital Efficiency

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

Metric
AMTM
AMTM
IRM
IRM
Operating Cash FlowLast quarter
$-136.0M
$500.0M
Free Cash FlowOCF − Capex
$-142.0M
$-16.2M
FCF MarginFCF / Revenue
-4.4%
-0.9%
Capex IntensityCapex / Revenue
0.2%
28.0%
Cash ConversionOCF / Net Profit
-3.09×
5.37×
TTM Free Cash FlowTrailing 4 quarters
$272.0M
$-931.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMTM
AMTM
IRM
IRM
Q1 26
$-136.0M
Q4 25
$270.0M
$500.0M
Q3 25
$267.6M
Q2 25
$106.0M
$375.1M
Q1 25
$57.0M
$197.3M
Q4 24
$110.0M
$431.6M
Q3 24
$252.9M
Q2 24
$382.2M
Free Cash Flow
AMTM
AMTM
IRM
IRM
Q1 26
$-142.0M
Q4 25
$261.0M
$-16.2M
Q3 25
$-256.3M
Q2 25
$100.0M
$-181.6M
Q1 25
$53.0M
$-477.5M
Q4 24
$102.0M
$-186.0M
Q3 24
$-143.2M
Q2 24
$-14.6M
FCF Margin
AMTM
AMTM
IRM
IRM
Q1 26
-4.4%
Q4 25
6.6%
-0.9%
Q3 25
-14.6%
Q2 25
2.8%
-10.6%
Q1 25
1.5%
-30.0%
Q4 24
3.0%
-11.8%
Q3 24
-9.2%
Q2 24
-1.0%
Capex Intensity
AMTM
AMTM
IRM
IRM
Q1 26
0.2%
Q4 25
0.2%
28.0%
Q3 25
29.9%
Q2 25
0.2%
32.5%
Q1 25
0.1%
42.4%
Q4 24
0.2%
39.1%
Q3 24
25.4%
Q2 24
25.9%
Cash Conversion
AMTM
AMTM
IRM
IRM
Q1 26
-3.09×
Q4 25
6.75×
5.37×
Q3 25
3.10×
Q2 25
10.60×
Q1 25
14.25×
12.15×
Q4 24
9.17×
4.08×
Q3 24
Q2 24
11.04×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMTM
AMTM

Global Engineering Solutions Segment$1.9B59%
Other U.S.Government Agencies$400.0M12%
Fixed Price Contract$380.0M12%
Commercial And International$226.0M7%
Time And Materials Contract$171.0M5%
Sales Channel Through Intermediary$78.0M2%
Equity Method Investee$50.0M2%

IRM
IRM

Storage Rental$1.1B58%
Services$781.9M42%

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