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Side-by-side financial comparison of AES Corporation (AES) and Western Digital (WDC). Click either name above to swap in a different company.

Western Digital is the larger business by last-quarter revenue ($3.3B vs $3.1B, roughly 1.1× AES Corporation). Western Digital runs the higher net margin — 96.0% vs 10.3%, a 85.7% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (45.5% vs 4.7%). Western Digital produced more free cash flow last quarter ($978.0M vs $-47.0M). Over the past eight quarters, AES Corporation's revenue compounded faster (0.3% CAGR vs -9.7%).

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.

Western Digital Corporation, doing business as WD, is an American data storage company headquartered in San Jose, California. Established in 1970, the company is one of the world's largest manufacturers of hard disk drives (HDDs).

AES vs WDC — Head-to-Head

Bigger by revenue
WDC
WDC
1.1× larger
WDC
$3.3B
$3.1B
AES
Growing faster (revenue YoY)
WDC
WDC
+40.8% gap
WDC
45.5%
4.7%
AES
Higher net margin
WDC
WDC
85.7% more per $
WDC
96.0%
10.3%
AES
More free cash flow
WDC
WDC
$1.0B more FCF
WDC
$978.0M
$-47.0M
AES
Faster 2-yr revenue CAGR
AES
AES
Annualised
AES
0.3%
-9.7%
WDC

Income Statement — Q4 FY2025 vs Q1 FY2027

Metric
AES
AES
WDC
WDC
Revenue
$3.1B
$3.3B
Net Profit
$320.0M
$3.2B
Gross Margin
18.8%
50.2%
Operating Margin
-8.7%
35.7%
Net Margin
10.3%
96.0%
Revenue YoY
4.7%
45.5%
Net Profit YoY
-42.9%
516.3%
EPS (diluted)
$0.45
$8.20

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
WDC
WDC
Q3 26
$3.3B
Q2 26
$3.0B
Q1 26
$3.0B
Q4 25
$3.1B
$2.8B
Q3 25
$3.4B
Q2 25
$2.9B
$-1.2B
Q1 25
$2.9B
$2.3B
Q4 24
$3.0B
$4.3B
Net Profit
AES
AES
WDC
WDC
Q3 26
$3.2B
Q2 26
$1.8B
Q1 26
$1.8B
Q4 25
$320.0M
$1.2B
Q3 25
$639.0M
Q2 25
$-95.0M
$282.0M
Q1 25
$46.0M
$520.0M
Q4 24
$560.0M
$594.0M
Gross Margin
AES
AES
WDC
WDC
Q3 26
50.2%
Q2 26
45.7%
Q1 26
45.7%
Q4 25
18.8%
43.5%
Q3 25
21.9%
Q2 25
15.9%
Q1 25
15.1%
39.8%
Q4 24
14.2%
35.4%
Operating Margin
AES
AES
WDC
WDC
Q3 26
35.7%
Q2 26
30.1%
Q1 26
30.1%
Q4 25
-8.7%
28.1%
Q3 25
9.8%
Q2 25
1.4%
Q1 25
-0.8%
33.1%
Q4 24
12.3%
19.9%
Net Margin
AES
AES
WDC
WDC
Q3 26
96.0%
Q2 26
61.1%
Q1 26
61.1%
Q4 25
10.3%
41.9%
Q3 25
19.1%
Q2 25
-3.3%
-24.4%
Q1 25
1.6%
22.7%
Q4 24
18.9%
13.9%
EPS (diluted)
AES
AES
WDC
WDC
Q3 26
$8.20
Q2 26
$4.73
Q1 26
$4.73
Q4 25
$0.45
$3.07
Q3 25
$0.89
Q2 25
$-0.15
$0.72
Q1 25
$0.07
$1.42
Q4 24
$0.78
$1.63

Balance Sheet & Financial Strength

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

Metric
AES
AES
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$1.6B
$2.0B
Total DebtLower is stronger
$1.6B
Stockholders' EquityBook value
$4.1B
$9.7B
Total Assets
$51.8B
$15.0B
Debt / EquityLower = less leverage
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AES
AES
WDC
WDC
Q3 26
$2.0B
Q2 26
$2.0B
Q1 26
$2.0B
Q4 25
$1.6B
$2.0B
Q3 25
$1.8B
Q2 25
$1.4B
$2.1B
Q1 25
$1.8B
$3.5B
Q4 24
$1.6B
$2.3B
Total Debt
AES
AES
WDC
WDC
Q3 26
$1.6B
Q2 26
$4.7B
Q1 26
$4.7B
Q4 25
$4.7B
Q3 25
Q2 25
$4.7B
Q1 25
$7.3B
Q4 24
$7.4B
Stockholders' Equity
AES
AES
WDC
WDC
Q3 26
$9.7B
Q2 26
$7.1B
Q1 26
$7.1B
Q4 25
$4.1B
$5.9B
Q3 25
$3.9B
Q2 25
$3.4B
$5.3B
Q1 25
$3.5B
$5.2B
Q4 24
$3.6B
$12.1B
Total Assets
AES
AES
WDC
WDC
Q3 26
$15.0B
Q2 26
$15.6B
Q1 26
$15.6B
Q4 25
$51.8B
$14.4B
Q3 25
$50.8B
Q2 25
$48.5B
$14.0B
Q1 25
$48.6B
$16.4B
Q4 24
$47.4B
$25.5B
Debt / Equity
AES
AES
WDC
WDC
Q3 26
0.16×
Q2 26
0.65×
Q1 26
0.65×
Q4 25
0.80×
Q3 25
Q2 25
0.89×
Q1 25
1.42×
Q4 24
0.61×

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
WDC
WDC
Operating Cash FlowLast quarter
$1.5B
$1.1B
Free Cash FlowOCF − Capex
$-47.0M
$978.0M
FCF MarginFCF / Revenue
-1.5%
29.3%
Capex IntensityCapex / Revenue
49.5%
Cash ConversionOCF / Net Profit
4.65×
0.35×
TTM Free Cash FlowTrailing 4 quarters
$-1.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AES
AES
WDC
WDC
Q3 26
$1.1B
Q2 26
$745.0M
Q1 26
Q4 25
$1.5B
$672.0M
Q3 25
$1.3B
Q2 25
$976.0M
$746.0M
Q1 25
$545.0M
$508.0M
Q4 24
$1.1B
$403.0M
Free Cash Flow
AES
AES
WDC
WDC
Q3 26
$978.0M
Q2 26
$653.0M
Q1 26
Q4 25
$-47.0M
$599.0M
Q3 25
$-511.0M
Q2 25
$-356.0M
$675.0M
Q1 25
$-709.0M
$379.0M
Q4 24
$-639.0M
$287.0M
FCF Margin
AES
AES
WDC
WDC
Q3 26
29.3%
Q2 26
21.6%
Q1 26
Q4 25
-1.5%
21.3%
Q3 25
-15.2%
Q2 25
-12.5%
-58.5%
Q1 25
-24.2%
16.5%
Q4 24
-21.6%
6.7%
Capex Intensity
AES
AES
WDC
WDC
Q3 26
Q2 26
Q1 26
Q4 25
49.5%
2.6%
Q3 25
54.0%
Q2 25
46.7%
-6.2%
Q1 25
42.9%
5.6%
Q4 24
58.3%
2.7%
Cash Conversion
AES
AES
WDC
WDC
Q3 26
0.35×
Q2 26
0.40×
Q1 26
Q4 25
4.65×
0.57×
Q3 25
2.03×
Q2 25
2.65×
Q1 25
11.85×
0.98×
Q4 24
1.94×
0.68×

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%

WDC
WDC

Segment breakdown not available.

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