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

AES Corporation is the larger business by last-quarter revenue ($3.1B vs $1.8B, roughly 1.7× Iron Mountain). AES Corporation runs the higher net margin — 10.3% vs 5.1%, a 5.3% gap on every dollar of revenue. On growth, Iron Mountain posted the faster year-over-year revenue change (16.6% vs 4.7%). Iron Mountain produced more free cash flow last quarter ($-16.2M vs $-47.0M). Over the past eight quarters, Iron Mountain's revenue compounded faster (11.7% CAGR vs 0.3%).

The AES Corporation is an American utility and power generation company. It owns and operates power plants, which it uses to generate and sell electricity to end users and intermediaries like utilities and industrial facilities. AES, headquartered in Arlington, Virginia, is one of the world's leading power companies, generating and distributing electric power in 15 countries and employing 10,500 people worldwide. AES Corporation is a global Fortune 500 power company.

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.

AES vs IRM — Head-to-Head

Bigger by revenue
AES
AES
1.7× larger
AES
$3.1B
$1.8B
IRM
Growing faster (revenue YoY)
IRM
IRM
+11.9% gap
IRM
16.6%
4.7%
AES
Higher net margin
AES
AES
5.3% more per $
AES
10.3%
5.1%
IRM
More free cash flow
IRM
IRM
$30.8M more FCF
IRM
$-16.2M
$-47.0M
AES
Faster 2-yr revenue CAGR
IRM
IRM
Annualised
IRM
11.7%
0.3%
AES

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AES
AES
IRM
IRM
Revenue
$3.1B
$1.8B
Net Profit
$320.0M
$93.1M
Gross Margin
18.8%
Operating Margin
-8.7%
18.5%
Net Margin
10.3%
5.1%
Revenue YoY
4.7%
16.6%
Net Profit YoY
-42.9%
-11.9%
EPS (diluted)
$0.45
$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
AES
AES
IRM
IRM
Q4 25
$3.1B
$1.8B
Q3 25
$3.4B
$1.8B
Q2 25
$2.9B
$1.7B
Q1 25
$2.9B
$1.6B
Q4 24
$3.0B
$1.6B
Q3 24
$3.3B
$1.6B
Q2 24
$2.9B
$1.5B
Q1 24
$3.1B
$1.5B
Net Profit
AES
AES
IRM
IRM
Q4 25
$320.0M
$93.1M
Q3 25
$639.0M
$86.2M
Q2 25
$-95.0M
$-43.3M
Q1 25
$46.0M
$16.2M
Q4 24
$560.0M
$105.7M
Q3 24
$502.0M
$-33.7M
Q2 24
$185.0M
$34.6M
Q1 24
$432.0M
$77.0M
Gross Margin
AES
AES
IRM
IRM
Q4 25
18.8%
Q3 25
21.9%
Q2 25
15.9%
Q1 25
15.1%
Q4 24
14.2%
Q3 24
22.0%
Q2 24
18.8%
Q1 24
20.1%
Operating Margin
AES
AES
IRM
IRM
Q4 25
-8.7%
18.5%
Q3 25
9.8%
17.6%
Q2 25
1.4%
15.2%
Q1 25
-0.8%
16.0%
Q4 24
12.3%
17.9%
Q3 24
10.0%
16.1%
Q2 24
-2.6%
15.0%
Q1 24
9.0%
16.6%
Net Margin
AES
AES
IRM
IRM
Q4 25
10.3%
5.1%
Q3 25
19.1%
4.9%
Q2 25
-3.3%
-2.5%
Q1 25
1.6%
1.0%
Q4 24
18.9%
6.7%
Q3 24
15.3%
-2.2%
Q2 24
6.3%
2.3%
Q1 24
14.0%
5.2%
EPS (diluted)
AES
AES
IRM
IRM
Q4 25
$0.45
$0.31
Q3 25
$0.89
$0.28
Q2 25
$-0.15
$-0.15
Q1 25
$0.07
$0.05
Q4 24
$0.78
$0.35
Q3 24
$0.71
$-0.11
Q2 24
$0.27
$0.12
Q1 24
$0.60
$0.25

Balance Sheet & Financial Strength

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

Metric
AES
AES
IRM
IRM
Cash + ST InvestmentsLiquidity on hand
$1.6B
$158.5M
Total DebtLower is stronger
$16.2B
Stockholders' EquityBook value
$4.1B
$-981.0M
Total Assets
$51.8B
$21.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AES
AES
IRM
IRM
Q4 25
$1.6B
$158.5M
Q3 25
$1.8B
Q2 25
$1.4B
Q1 25
$1.8B
Q4 24
$1.6B
$155.7M
Q3 24
$2.0B
Q2 24
$1.8B
Q1 24
$2.4B
Total Debt
AES
AES
IRM
IRM
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
AES
AES
IRM
IRM
Q4 25
$4.1B
$-981.0M
Q3 25
$3.9B
$-882.0M
Q2 25
$3.4B
$-767.4M
Q1 25
$3.5B
$-698.5M
Q4 24
$3.6B
$-503.1M
Q3 24
$3.3B
$-259.0M
Q2 24
$3.1B
$-132.9M
Q1 24
$2.9B
$18.5M
Total Assets
AES
AES
IRM
IRM
Q4 25
$51.8B
$21.1B
Q3 25
$50.8B
$20.6B
Q2 25
$48.5B
$20.2B
Q1 25
$48.6B
$19.4B
Q4 24
$47.4B
$18.7B
Q3 24
$50.1B
$18.5B
Q2 24
$47.7B
$18.0B
Q1 24
$47.0B
$17.8B
Debt / Equity
AES
AES
IRM
IRM
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
AES
AES
IRM
IRM
Operating Cash FlowLast quarter
$1.5B
$500.0M
Free Cash FlowOCF − Capex
$-47.0M
$-16.2M
FCF MarginFCF / Revenue
-1.5%
-0.9%
Capex IntensityCapex / Revenue
49.5%
28.0%
Cash ConversionOCF / Net Profit
4.65×
5.37×
TTM Free Cash FlowTrailing 4 quarters
$-1.6B
$-931.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AES
AES
IRM
IRM
Q4 25
$1.5B
$500.0M
Q3 25
$1.3B
$267.6M
Q2 25
$976.0M
$375.1M
Q1 25
$545.0M
$197.3M
Q4 24
$1.1B
$431.6M
Q3 24
$985.0M
$252.9M
Q2 24
$392.0M
$382.2M
Q1 24
$287.0M
$130.0M
Free Cash Flow
AES
AES
IRM
IRM
Q4 25
$-47.0M
$-16.2M
Q3 25
$-511.0M
$-256.3M
Q2 25
$-356.0M
$-181.6M
Q1 25
$-709.0M
$-477.5M
Q4 24
$-639.0M
$-186.0M
Q3 24
$-847.0M
$-143.2M
Q2 24
$-1.3B
$-14.6M
Q1 24
$-1.9B
$-251.1M
FCF Margin
AES
AES
IRM
IRM
Q4 25
-1.5%
-0.9%
Q3 25
-15.2%
-14.6%
Q2 25
-12.5%
-10.6%
Q1 25
-24.2%
-30.0%
Q4 24
-21.6%
-11.8%
Q3 24
-25.8%
-9.2%
Q2 24
-43.9%
-1.0%
Q1 24
-60.3%
-17.0%
Capex Intensity
AES
AES
IRM
IRM
Q4 25
49.5%
28.0%
Q3 25
54.0%
29.9%
Q2 25
46.7%
32.5%
Q1 25
42.9%
42.4%
Q4 24
58.3%
39.1%
Q3 24
55.7%
25.4%
Q2 24
57.3%
25.9%
Q1 24
69.6%
25.8%
Cash Conversion
AES
AES
IRM
IRM
Q4 25
4.65×
5.37×
Q3 25
2.03×
3.10×
Q2 25
Q1 25
11.85×
12.15×
Q4 24
1.94×
4.08×
Q3 24
1.96×
Q2 24
2.12×
11.04×
Q1 24
0.66×
1.69×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AES
AES

Electric Distribution$1.0B33%
Regulated Revenue$1.0B33%
Renewables$786.0M25%
AES Andes$225.0M7%
Corporate Other And Other$38.0M1%
Other Expense$10.0M0%

IRM
IRM

Storage Rental$1.1B58%
Services$781.9M42%

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