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Side-by-side financial comparison of CONSTELLIUM SE (CSTM) and WEC Energy Group (WEC). Click either name above to swap in a different company.

WEC Energy Group is the larger business by last-quarter revenue ($2.5B vs $2.2B, roughly 1.2× CONSTELLIUM SE). WEC Energy Group runs the higher net margin — 12.5% vs 5.1%, a 7.4% gap on every dollar of revenue.

Constellium SE is an American-Swiss, French-based global manufacturer of aluminium rolled products, extruded products, and structural parts based on a large variety of advanced alloys. Constellium's C-TEC research center has been credited for advancing technology in the field of advanced aluminium alloy. Constellium primarily serves the aerospace, automotive, and packaging sectors. Large clients include Mercedes-Benz, Audi, BMW, Fiat Chrysler Automotive, Ford, Airbus, Boeing, and Bombardier.

WEC Energy Group is an American energy company based in Milwaukee, Wisconsin. It provides electricity and natural gas to 4.4 million customers across four states.

CSTM vs WEC — Head-to-Head

Bigger by revenue
WEC
WEC
1.2× larger
WEC
$2.5B
$2.2B
CSTM
Higher net margin
WEC
WEC
7.4% more per $
WEC
12.5%
5.1%
CSTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSTM
CSTM
WEC
WEC
Revenue
$2.2B
$2.5B
Net Profit
$112.0M
$316.8M
Gross Margin
63.7%
Operating Margin
7.5%
17.9%
Net Margin
5.1%
12.5%
Revenue YoY
11.1%
Net Profit YoY
-30.1%
EPS (diluted)
$0.79

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
CSTM
CSTM
WEC
WEC
Q4 25
$2.2B
$2.5B
Q3 25
$2.2B
$2.1B
Q2 25
$2.1B
$2.0B
Q1 25
$2.0B
$3.1B
Q4 24
$2.3B
Q3 24
$1.9B
Q2 24
$1.9B
$1.8B
Q1 24
$2.7B
Net Profit
CSTM
CSTM
WEC
WEC
Q4 25
$112.0M
$316.8M
Q3 25
$88.0M
$270.2M
Q2 25
$36.0M
$243.0M
Q1 25
$37.0M
$725.5M
Q4 24
$453.1M
Q3 24
$238.6M
Q2 24
$76.0M
$210.0M
Q1 24
$622.6M
Gross Margin
CSTM
CSTM
WEC
WEC
Q4 25
63.7%
Q3 25
71.1%
Q2 25
71.6%
Q1 25
63.0%
Q4 24
67.7%
Q3 24
72.1%
Q2 24
73.5%
Q1 24
65.4%
Operating Margin
CSTM
CSTM
WEC
WEC
Q4 25
7.5%
17.9%
Q3 25
5.8%
21.4%
Q2 25
2.7%
20.1%
Q1 25
3.1%
29.8%
Q4 24
25.9%
Q3 24
20.6%
Q2 24
5.4%
20.6%
Q1 24
30.3%
Net Margin
CSTM
CSTM
WEC
WEC
Q4 25
5.1%
12.5%
Q3 25
4.1%
12.8%
Q2 25
1.7%
12.1%
Q1 25
1.9%
23.0%
Q4 24
19.8%
Q3 24
12.8%
Q2 24
3.9%
11.9%
Q1 24
23.2%
EPS (diluted)
CSTM
CSTM
WEC
WEC
Q4 25
$0.79
Q3 25
$0.62
Q2 25
$0.25
Q1 25
$0.26
Q4 24
Q3 24
Q2 24
$0.51
Q1 24

Balance Sheet & Financial Strength

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

Metric
CSTM
CSTM
WEC
WEC
Cash + ST InvestmentsLiquidity on hand
$120.0M
$27.6M
Total DebtLower is stronger
$1.9B
$20.0B
Stockholders' EquityBook value
$952.0M
$14.1B
Total Assets
$5.4B
$51.5B
Debt / EquityLower = less leverage
2.00×
1.42×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTM
CSTM
WEC
WEC
Q4 25
$120.0M
$27.6M
Q3 25
$122.0M
$51.1M
Q2 25
$133.0M
$23.0M
Q1 25
$118.0M
$82.2M
Q4 24
$9.8M
Q3 24
$322.5M
Q2 24
$224.0M
Q1 24
$38.9M
Total Debt
CSTM
CSTM
WEC
WEC
Q4 25
$1.9B
$20.0B
Q3 25
$2.0B
Q2 25
$2.0B
Q1 25
$1.9B
Q4 24
$18.9B
Q3 24
$16.9B
Q2 24
$16.9B
Q1 24
$15.4B
Stockholders' Equity
CSTM
CSTM
WEC
WEC
Q4 25
$952.0M
$14.1B
Q3 25
$845.0M
$14.0B
Q2 25
$780.0M
$13.7B
Q1 25
$745.0M
$13.4B
Q4 24
$12.8B
Q3 24
$12.4B
Q2 24
$796.0M
$12.4B
Q1 24
$12.4B
Total Assets
CSTM
CSTM
WEC
WEC
Q4 25
$5.4B
$51.5B
Q3 25
$5.4B
$49.8B
Q2 25
$5.4B
$48.5B
Q1 25
$5.2B
$48.2B
Q4 24
$47.4B
Q3 24
$45.2B
Q2 24
$44.6B
Q1 24
$43.9B
Debt / Equity
CSTM
CSTM
WEC
WEC
Q4 25
2.00×
1.42×
Q3 25
2.34×
Q2 25
2.53×
Q1 25
2.56×
Q4 24
1.48×
Q3 24
1.36×
Q2 24
1.36×
Q1 24
1.24×

Cash Flow & Capital Efficiency

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

Metric
CSTM
CSTM
WEC
WEC
Operating Cash FlowLast quarter
$218.0M
$424.6M
Free Cash FlowOCF − Capex
$109.0M
FCF MarginFCF / Revenue
5.0%
Capex IntensityCapex / Revenue
5.0%
Cash ConversionOCF / Net Profit
1.95×
1.34×
TTM Free Cash FlowTrailing 4 quarters
$159.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTM
CSTM
WEC
WEC
Q4 25
$218.0M
$424.6M
Q3 25
$99.0M
$938.9M
Q2 25
$114.0M
$853.3M
Q1 25
$58.0M
$1.2B
Q4 24
$581.8M
Q3 24
$729.0M
Q2 24
$138.0M
$1.0B
Q1 24
$863.6M
Free Cash Flow
CSTM
CSTM
WEC
WEC
Q4 25
$109.0M
Q3 25
$24.0M
$-625.7M
Q2 25
$37.0M
$23.9M
Q1 25
$-11.0M
$461.5M
Q4 24
Q3 24
$-67.3M
Q2 24
$54.0M
$343.5M
Q1 24
$419.1M
FCF Margin
CSTM
CSTM
WEC
WEC
Q4 25
5.0%
Q3 25
1.1%
-29.7%
Q2 25
1.8%
1.2%
Q1 25
-0.6%
14.7%
Q4 24
Q3 24
-3.6%
Q2 24
2.8%
19.4%
Q1 24
15.6%
Capex Intensity
CSTM
CSTM
WEC
WEC
Q4 25
5.0%
Q3 25
3.5%
74.4%
Q2 25
3.7%
41.3%
Q1 25
3.5%
22.3%
Q4 24
Q3 24
42.7%
Q2 24
4.3%
39.2%
Q1 24
16.6%
Cash Conversion
CSTM
CSTM
WEC
WEC
Q4 25
1.95×
1.34×
Q3 25
1.13×
3.47×
Q2 25
3.17×
3.51×
Q1 25
1.57×
1.60×
Q4 24
1.28×
Q3 24
3.06×
Q2 24
1.82×
4.94×
Q1 24
1.39×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSTM
CSTM

Packaging Rolled Products$1.0B46%
Automotive Rolled Products$318.0M14%
Aerospace Rolled Products$270.0M12%
Transportation Industry Defense And Other Rolled Products$232.0M11%
Automotive Extruded Products$220.0M10%
Other Extruded Products$132.0M6%
Specialty And Other Thin Rolled Products$22.0M1%

WEC
WEC

Wisconsin$1.9B73%
Illinois$441.2M17%
Other States$165.1M7%
External Revenues$74.0M3%
Otheroperatingrevenues$8.0M0%

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