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

CONSTELLIUM SE is the larger business by last-quarter revenue ($2.2B vs $1.1B, roughly 1.9× Fabrinet). Fabrinet runs the higher net margin — 9.9% vs 5.1%, a 4.9% gap on every dollar of revenue. CONSTELLIUM SE produced more free cash flow last quarter ($109.0M vs $-5.3M).

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.

Below is a list of companies having stocks that are included in the S&P MidCap 400 stock market index. The index, maintained by S&P Dow Jones Indices, comprises the common stocks of 400 mid-cap, mostly American, companies. Although called the S&P 400, the index sometimes contains more than 400 stocks when it includes two or more share classes of stock from one of its component companies.

CSTM vs FN — Head-to-Head

Bigger by revenue
CSTM
CSTM
1.9× larger
CSTM
$2.2B
$1.1B
FN
Higher net margin
FN
FN
4.9% more per $
FN
9.9%
5.1%
CSTM
More free cash flow
CSTM
CSTM
$114.3M more FCF
CSTM
$109.0M
$-5.3M
FN

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
CSTM
CSTM
FN
FN
Revenue
$2.2B
$1.1B
Net Profit
$112.0M
$112.6M
Gross Margin
12.2%
Operating Margin
7.5%
10.1%
Net Margin
5.1%
9.9%
Revenue YoY
35.9%
Net Profit YoY
30.0%
EPS (diluted)
$0.79
$3.11

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
FN
FN
Q4 25
$2.2B
$1.1B
Q3 25
$2.2B
$978.1M
Q2 25
$2.1B
$909.7M
Q1 25
$2.0B
$871.8M
Q4 24
$833.6M
Q3 24
$804.2M
Q2 24
$1.9B
$753.3M
Q1 24
$731.5M
Net Profit
CSTM
CSTM
FN
FN
Q4 25
$112.0M
$112.6M
Q3 25
$88.0M
$95.9M
Q2 25
$36.0M
$87.2M
Q1 25
$37.0M
$81.3M
Q4 24
$86.6M
Q3 24
$77.4M
Q2 24
$76.0M
$81.1M
Q1 24
$80.9M
Gross Margin
CSTM
CSTM
FN
FN
Q4 25
12.2%
Q3 25
11.9%
Q2 25
12.2%
Q1 25
11.7%
Q4 24
12.1%
Q3 24
12.3%
Q2 24
12.3%
Q1 24
12.4%
Operating Margin
CSTM
CSTM
FN
FN
Q4 25
7.5%
10.1%
Q3 25
5.8%
9.6%
Q2 25
2.7%
9.8%
Q1 25
3.1%
9.0%
Q4 24
9.5%
Q3 24
9.6%
Q2 24
5.4%
9.7%
Q1 24
9.7%
Net Margin
CSTM
CSTM
FN
FN
Q4 25
5.1%
9.9%
Q3 25
4.1%
9.8%
Q2 25
1.7%
9.6%
Q1 25
1.9%
9.3%
Q4 24
10.4%
Q3 24
9.6%
Q2 24
3.9%
10.8%
Q1 24
11.1%
EPS (diluted)
CSTM
CSTM
FN
FN
Q4 25
$0.79
$3.11
Q3 25
$0.62
$2.66
Q2 25
$0.25
$2.41
Q1 25
$0.26
$2.25
Q4 24
$2.38
Q3 24
$2.13
Q2 24
$0.51
$2.22
Q1 24
$2.21

Balance Sheet & Financial Strength

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

Metric
CSTM
CSTM
FN
FN
Cash + ST InvestmentsLiquidity on hand
$120.0M
$960.8M
Total DebtLower is stronger
$1.9B
Stockholders' EquityBook value
$952.0M
$2.2B
Total Assets
$5.4B
$3.3B
Debt / EquityLower = less leverage
2.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTM
CSTM
FN
FN
Q4 25
$120.0M
$960.8M
Q3 25
$122.0M
$968.8M
Q2 25
$133.0M
$934.2M
Q1 25
$118.0M
$950.7M
Q4 24
$934.6M
Q3 24
$908.9M
Q2 24
$858.6M
Q1 24
$794.0M
Total Debt
CSTM
CSTM
FN
FN
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
FN
FN
Q4 25
$952.0M
$2.2B
Q3 25
$845.0M
$2.1B
Q2 25
$780.0M
$2.0B
Q1 25
$745.0M
$1.9B
Q4 24
$1.8B
Q3 24
$1.8B
Q2 24
$796.0M
$1.7B
Q1 24
$1.7B
Total Assets
CSTM
CSTM
FN
FN
Q4 25
$5.4B
$3.3B
Q3 25
$5.4B
$3.0B
Q2 25
$5.4B
$2.8B
Q1 25
$5.2B
$2.6B
Q4 24
$2.5B
Q3 24
$2.4B
Q2 24
$2.3B
Q1 24
$2.2B
Debt / Equity
CSTM
CSTM
FN
FN
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
FN
FN
Operating Cash FlowLast quarter
$218.0M
$46.3M
Free Cash FlowOCF − Capex
$109.0M
$-5.3M
FCF MarginFCF / Revenue
5.0%
-0.5%
Capex IntensityCapex / Revenue
5.0%
4.6%
Cash ConversionOCF / Net Profit
1.95×
0.41×
TTM Free Cash FlowTrailing 4 quarters
$159.0M
$102.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTM
CSTM
FN
FN
Q4 25
$218.0M
$46.3M
Q3 25
$99.0M
$102.6M
Q2 25
$114.0M
$55.1M
Q1 25
$58.0M
$74.2M
Q4 24
$115.9M
Q3 24
$83.2M
Q2 24
$138.0M
$83.1M
Q1 24
$100.9M
Free Cash Flow
CSTM
CSTM
FN
FN
Q4 25
$109.0M
$-5.3M
Q3 25
$24.0M
$57.3M
Q2 25
$37.0M
$4.7M
Q1 25
$-11.0M
$45.7M
Q4 24
$94.0M
Q3 24
$62.9M
Q2 24
$54.0M
$70.4M
Q1 24
$87.3M
FCF Margin
CSTM
CSTM
FN
FN
Q4 25
5.0%
-0.5%
Q3 25
1.1%
5.9%
Q2 25
1.8%
0.5%
Q1 25
-0.6%
5.2%
Q4 24
11.3%
Q3 24
7.8%
Q2 24
2.8%
9.3%
Q1 24
11.9%
Capex Intensity
CSTM
CSTM
FN
FN
Q4 25
5.0%
4.6%
Q3 25
3.5%
4.6%
Q2 25
3.7%
5.5%
Q1 25
3.5%
3.3%
Q4 24
2.6%
Q3 24
2.5%
Q2 24
4.3%
1.7%
Q1 24
1.9%
Cash Conversion
CSTM
CSTM
FN
FN
Q4 25
1.95×
0.41×
Q3 25
1.13×
1.07×
Q2 25
3.17×
0.63×
Q1 25
1.57×
0.91×
Q4 24
1.34×
Q3 24
1.07×
Q2 24
1.82×
1.02×
Q1 24
1.25×

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%

FN
FN

Optical Communications$832.6M73%
Non Optical Communications$300.3M27%

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