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

CONSTELLIUM SE is the larger business by last-quarter revenue ($2.2B vs $2.1B, roughly 1.0× CMS Energy). CMS Energy runs the higher net margin — 13.5% vs 5.1%, a 8.5% gap on every dollar of revenue.

CMS Energy Corporation is an American energy company based in Jackson, Michigan, that is focused principally on utility operations in Michigan. Its principal business is Consumers Energy, a public utility that provides electricity and natural gas to more than 6 million of Michigan's 10 million residents. Its non-utility businesses are focused primarily on domestic independent power production. Consumers Energy has operated since 1886.

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.

CMS vs CSTM — Head-to-Head

Bigger by revenue
CSTM
CSTM
1.0× larger
CSTM
$2.2B
$2.1B
CMS
Higher net margin
CMS
CMS
8.5% more per $
CMS
13.5%
5.1%
CSTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CMS
CMS
CSTM
CSTM
Revenue
$2.1B
$2.2B
Net Profit
$289.0M
$112.0M
Gross Margin
Operating Margin
20.4%
7.5%
Net Margin
13.5%
5.1%
Revenue YoY
13.0%
Net Profit YoY
9.1%
EPS (diluted)
$0.94
$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
CMS
CMS
CSTM
CSTM
Q4 25
$2.1B
$2.2B
Q3 25
$2.0B
$2.2B
Q2 25
$1.8B
$2.1B
Q1 25
$2.4B
$2.0B
Q4 24
$1.9B
Q3 24
$1.7B
Q2 24
$1.6B
$1.9B
Q1 24
$2.1B
Net Profit
CMS
CMS
CSTM
CSTM
Q4 25
$289.0M
$112.0M
Q3 25
$277.0M
$88.0M
Q2 25
$201.0M
$36.0M
Q1 25
$304.0M
$37.0M
Q4 24
$265.0M
Q3 24
$253.0M
Q2 24
$198.0M
$76.0M
Q1 24
$287.0M
Operating Margin
CMS
CMS
CSTM
CSTM
Q4 25
20.4%
7.5%
Q3 25
24.4%
5.8%
Q2 25
17.6%
2.7%
Q1 25
20.6%
3.1%
Q4 24
22.5%
Q3 24
21.4%
Q2 24
18.0%
5.4%
Q1 24
19.2%
Net Margin
CMS
CMS
CSTM
CSTM
Q4 25
13.5%
5.1%
Q3 25
14.0%
4.1%
Q2 25
11.2%
1.7%
Q1 25
12.7%
1.9%
Q4 24
14.0%
Q3 24
14.8%
Q2 24
12.6%
3.9%
Q1 24
13.4%
EPS (diluted)
CMS
CMS
CSTM
CSTM
Q4 25
$0.94
$0.79
Q3 25
$0.92
$0.62
Q2 25
$0.66
$0.25
Q1 25
$1.01
$0.26
Q4 24
$0.88
Q3 24
$0.84
Q2 24
$0.65
$0.51
Q1 24
$0.96

Balance Sheet & Financial Strength

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

Metric
CMS
CMS
CSTM
CSTM
Cash + ST InvestmentsLiquidity on hand
$509.0M
$120.0M
Total DebtLower is stronger
$1.9B
Stockholders' EquityBook value
$9.1B
$952.0M
Total Assets
$39.9B
$5.4B
Debt / EquityLower = less leverage
2.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CMS
CMS
CSTM
CSTM
Q4 25
$509.0M
$120.0M
Q3 25
$362.0M
$122.0M
Q2 25
$844.0M
$133.0M
Q1 25
$465.0M
$118.0M
Q4 24
$103.0M
Q3 24
$412.0M
Q2 24
$699.0M
Q1 24
$802.0M
Total Debt
CMS
CMS
CSTM
CSTM
Q4 25
$1.9B
Q3 25
$2.0B
Q2 25
$2.0B
Q1 25
$1.9B
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
CMS
CMS
CSTM
CSTM
Q4 25
$9.1B
$952.0M
Q3 25
$8.9B
$845.0M
Q2 25
$8.4B
$780.0M
Q1 25
$8.3B
$745.0M
Q4 24
$8.2B
Q3 24
$8.1B
Q2 24
$8.0B
$796.0M
Q1 24
$7.9B
Total Assets
CMS
CMS
CSTM
CSTM
Q4 25
$39.9B
$5.4B
Q3 25
$38.0B
$5.4B
Q2 25
$37.7B
$5.4B
Q1 25
$36.3B
$5.2B
Q4 24
$35.9B
Q3 24
$34.8B
Q2 24
$34.4B
Q1 24
$33.9B
Debt / Equity
CMS
CMS
CSTM
CSTM
Q4 25
2.00×
Q3 25
2.34×
Q2 25
2.53×
Q1 25
2.56×
Q4 24
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
CMS
CMS
CSTM
CSTM
Operating Cash FlowLast quarter
$478.0M
$218.0M
Free Cash FlowOCF − Capex
$109.0M
FCF MarginFCF / Revenue
5.0%
Capex IntensityCapex / Revenue
5.0%
Cash ConversionOCF / Net Profit
1.65×
1.95×
TTM Free Cash FlowTrailing 4 quarters
$159.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CMS
CMS
CSTM
CSTM
Q4 25
$478.0M
$218.0M
Q3 25
$343.0M
$99.0M
Q2 25
$414.0M
$114.0M
Q1 25
$1.0B
$58.0M
Q4 24
$403.0M
Q3 24
$304.0M
Q2 24
$707.0M
$138.0M
Q1 24
$956.0M
Free Cash Flow
CMS
CMS
CSTM
CSTM
Q4 25
$109.0M
Q3 25
$-635.0M
$24.0M
Q2 25
$-470.0M
$37.0M
Q1 25
$112.0M
$-11.0M
Q4 24
Q3 24
$-502.0M
Q2 24
$26.0M
$54.0M
Q1 24
$343.0M
FCF Margin
CMS
CMS
CSTM
CSTM
Q4 25
5.0%
Q3 25
-32.2%
1.1%
Q2 25
-26.1%
1.8%
Q1 25
4.7%
-0.6%
Q4 24
Q3 24
-29.3%
Q2 24
1.6%
2.8%
Q1 24
16.0%
Capex Intensity
CMS
CMS
CSTM
CSTM
Q4 25
5.0%
Q3 25
49.5%
3.5%
Q2 25
49.2%
3.7%
Q1 25
37.0%
3.5%
Q4 24
Q3 24
47.1%
Q2 24
43.2%
4.3%
Q1 24
28.6%
Cash Conversion
CMS
CMS
CSTM
CSTM
Q4 25
1.65×
1.95×
Q3 25
1.24×
1.13×
Q2 25
2.06×
3.17×
Q1 25
3.29×
1.57×
Q4 24
1.52×
Q3 24
1.20×
Q2 24
3.57×
1.82×
Q1 24
3.33×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CMS
CMS

Electric Utility$1.3B59%
Gas Utility$803.0M38%
North Star Clean Energy$77.0M4%

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%

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