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

LKQ Corporation is the larger business by last-quarter revenue ($3.0B vs $2.2B, roughly 1.4× CONSTELLIUM SE). CONSTELLIUM SE runs the higher net margin — 5.1% vs 2.2%, a 2.9% gap on every dollar of revenue. LKQ Corporation produced more free cash flow last quarter ($274.0M vs $109.0M).

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.

LKQ Corporation is an American provider of alternative and speciality parts to repair and accessorize automobiles and other vehicles. LKQ has operations in North America, Europe and Taiwan. LKQ sells replacement systems, components, equipment and parts to repair and accessorize automobiles, trucks, and recreational and performance vehicles.

CSTM vs LKQ — Head-to-Head

Bigger by revenue
LKQ
LKQ
1.4× larger
LKQ
$3.0B
$2.2B
CSTM
Higher net margin
CSTM
CSTM
2.9% more per $
CSTM
5.1%
2.2%
LKQ
More free cash flow
LKQ
LKQ
$165.0M more FCF
LKQ
$274.0M
$109.0M
CSTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSTM
CSTM
LKQ
LKQ
Revenue
$2.2B
$3.0B
Net Profit
$112.0M
$66.0M
Gross Margin
37.2%
Operating Margin
7.5%
3.9%
Net Margin
5.1%
2.2%
Revenue YoY
-9.2%
Net Profit YoY
-58.0%
EPS (diluted)
$0.79
$0.25

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
LKQ
LKQ
Q4 25
$2.2B
$3.0B
Q3 25
$2.2B
$3.5B
Q2 25
$2.1B
$3.6B
Q1 25
$2.0B
$3.5B
Q4 24
$3.4B
Q3 24
$3.6B
Q2 24
$1.9B
$3.7B
Q1 24
$3.7B
Net Profit
CSTM
CSTM
LKQ
LKQ
Q4 25
$112.0M
$66.0M
Q3 25
$88.0M
$180.0M
Q2 25
$36.0M
$193.0M
Q1 25
$37.0M
$169.0M
Q4 24
$157.0M
Q3 24
$192.0M
Q2 24
$76.0M
$186.0M
Q1 24
$158.0M
Gross Margin
CSTM
CSTM
LKQ
LKQ
Q4 25
37.2%
Q3 25
38.3%
Q2 25
38.8%
Q1 25
39.8%
Q4 24
39.5%
Q3 24
38.9%
Q2 24
38.8%
Q1 24
39.2%
Operating Margin
CSTM
CSTM
LKQ
LKQ
Q4 25
7.5%
3.9%
Q3 25
5.8%
7.8%
Q2 25
2.7%
8.6%
Q1 25
3.1%
8.3%
Q4 24
8.1%
Q3 24
8.6%
Q2 24
5.4%
8.9%
Q1 24
7.8%
Net Margin
CSTM
CSTM
LKQ
LKQ
Q4 25
5.1%
2.2%
Q3 25
4.1%
5.1%
Q2 25
1.7%
5.3%
Q1 25
1.9%
4.9%
Q4 24
4.7%
Q3 24
5.4%
Q2 24
3.9%
5.0%
Q1 24
4.3%
EPS (diluted)
CSTM
CSTM
LKQ
LKQ
Q4 25
$0.79
$0.25
Q3 25
$0.62
$0.70
Q2 25
$0.25
$0.75
Q1 25
$0.26
$0.65
Q4 24
$0.60
Q3 24
$0.73
Q2 24
$0.51
$0.70
Q1 24
$0.59

Balance Sheet & Financial Strength

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

Metric
CSTM
CSTM
LKQ
LKQ
Cash + ST InvestmentsLiquidity on hand
$120.0M
$319.0M
Total DebtLower is stronger
$1.9B
Stockholders' EquityBook value
$952.0M
$6.5B
Total Assets
$5.4B
$15.1B
Debt / EquityLower = less leverage
2.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTM
CSTM
LKQ
LKQ
Q4 25
$120.0M
$319.0M
Q3 25
$122.0M
$289.0M
Q2 25
$133.0M
$289.0M
Q1 25
$118.0M
$227.0M
Q4 24
$234.0M
Q3 24
$353.0M
Q2 24
$276.0M
Q1 24
$344.0M
Total Debt
CSTM
CSTM
LKQ
LKQ
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
CSTM
CSTM
LKQ
LKQ
Q4 25
$952.0M
$6.5B
Q3 25
$845.0M
$6.6B
Q2 25
$780.0M
$6.5B
Q1 25
$745.0M
$6.2B
Q4 24
$6.0B
Q3 24
$6.2B
Q2 24
$796.0M
$6.1B
Q1 24
$6.2B
Total Assets
CSTM
CSTM
LKQ
LKQ
Q4 25
$5.4B
$15.1B
Q3 25
$5.4B
$15.6B
Q2 25
$5.4B
$15.9B
Q1 25
$5.2B
$15.5B
Q4 24
$15.0B
Q3 24
$15.5B
Q2 24
$15.2B
Q1 24
$15.3B
Debt / Equity
CSTM
CSTM
LKQ
LKQ
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
CSTM
CSTM
LKQ
LKQ
Operating Cash FlowLast quarter
$218.0M
$330.0M
Free Cash FlowOCF − Capex
$109.0M
$274.0M
FCF MarginFCF / Revenue
5.0%
9.0%
Capex IntensityCapex / Revenue
5.0%
1.8%
Cash ConversionOCF / Net Profit
1.95×
5.00×
TTM Free Cash FlowTrailing 4 quarters
$159.0M
$847.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTM
CSTM
LKQ
LKQ
Q4 25
$218.0M
$330.0M
Q3 25
$99.0M
$440.0M
Q2 25
$114.0M
$296.0M
Q1 25
$58.0M
$-3.0M
Q4 24
$235.0M
Q3 24
$420.0M
Q2 24
$138.0M
$213.0M
Q1 24
$253.0M
Free Cash Flow
CSTM
CSTM
LKQ
LKQ
Q4 25
$109.0M
$274.0M
Q3 25
$24.0M
$387.0M
Q2 25
$37.0M
$243.0M
Q1 25
$-11.0M
$-57.0M
Q4 24
$149.0M
Q3 24
$341.0M
Q2 24
$54.0M
$133.0M
Q1 24
$187.0M
FCF Margin
CSTM
CSTM
LKQ
LKQ
Q4 25
5.0%
9.0%
Q3 25
1.1%
11.1%
Q2 25
1.8%
6.7%
Q1 25
-0.6%
-1.6%
Q4 24
4.4%
Q3 24
9.5%
Q2 24
2.8%
3.6%
Q1 24
5.0%
Capex Intensity
CSTM
CSTM
LKQ
LKQ
Q4 25
5.0%
1.8%
Q3 25
3.5%
1.5%
Q2 25
3.7%
1.5%
Q1 25
3.5%
1.6%
Q4 24
2.6%
Q3 24
2.2%
Q2 24
4.3%
2.2%
Q1 24
1.8%
Cash Conversion
CSTM
CSTM
LKQ
LKQ
Q4 25
1.95×
5.00×
Q3 25
1.13×
2.44×
Q2 25
3.17×
1.53×
Q1 25
1.57×
-0.02×
Q4 24
1.50×
Q3 24
2.19×
Q2 24
1.82×
1.15×
Q1 24
1.60×

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%

LKQ
LKQ

Partsand Services Domain$1.3B42%
Other$1.2B40%
DE$463.0M15%
Other Revenue$85.0M3%

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