vs

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

CONSTELLIUM SE is the larger business by last-quarter revenue ($2.2B vs $1.7B, roughly 1.3× First Solar). First Solar runs the higher net margin — 31.0% vs 5.1%, a 25.9% 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.

First Solar, Inc. is a publicly traded American manufacturer of solar panels. First Solar uses rigid thin-film modules for its solar panels, and produces CdTe panels using cadmium telluride (CdTe) as a semiconductor. The company was founded in 1990 by inventor Harold McMaster as Solar Cells, Inc. In 1999 it was purchased by True North Partners, LLC, which rebranded it as First Solar, Inc. It provides end-of-life panel recycling at each of its manufacturing facilities.

CSTM vs FSLR — Head-to-Head

Bigger by revenue
CSTM
CSTM
1.3× larger
CSTM
$2.2B
$1.7B
FSLR
Higher net margin
FSLR
FSLR
25.9% more per $
FSLR
31.0%
5.1%
CSTM

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CSTM
CSTM
FSLR
FSLR
Revenue
$2.2B
$1.7B
Net Profit
$112.0M
$520.9M
Gross Margin
39.5%
Operating Margin
7.5%
32.6%
Net Margin
5.1%
31.0%
Revenue YoY
11.1%
Net Profit YoY
32.5%
EPS (diluted)
$0.79
$4.84

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
FSLR
FSLR
Q1 26
$1.7B
Q4 25
$2.2B
$1.7B
Q3 25
$2.2B
$1.6B
Q2 25
$2.1B
$1.1B
Q1 25
$2.0B
$844.6M
Q4 24
$1.5B
Q3 24
$887.7M
Q2 24
$1.9B
$1.0B
Net Profit
CSTM
CSTM
FSLR
FSLR
Q1 26
$520.9M
Q4 25
$112.0M
$520.9M
Q3 25
$88.0M
$455.9M
Q2 25
$36.0M
$341.9M
Q1 25
$37.0M
$209.5M
Q4 24
$393.1M
Q3 24
$313.0M
Q2 24
$76.0M
$349.4M
Gross Margin
CSTM
CSTM
FSLR
FSLR
Q1 26
39.5%
Q4 25
39.5%
Q3 25
38.3%
Q2 25
45.6%
Q1 25
40.8%
Q4 24
37.5%
Q3 24
50.2%
Q2 24
49.4%
Operating Margin
CSTM
CSTM
FSLR
FSLR
Q1 26
32.6%
Q4 25
7.5%
32.6%
Q3 25
5.8%
29.2%
Q2 25
2.7%
33.0%
Q1 25
3.1%
26.2%
Q4 24
30.2%
Q3 24
36.3%
Q2 24
5.4%
36.9%
Net Margin
CSTM
CSTM
FSLR
FSLR
Q1 26
31.0%
Q4 25
5.1%
31.0%
Q3 25
4.1%
28.6%
Q2 25
1.7%
31.2%
Q1 25
1.9%
24.8%
Q4 24
26.0%
Q3 24
35.3%
Q2 24
3.9%
34.6%
EPS (diluted)
CSTM
CSTM
FSLR
FSLR
Q1 26
$4.84
Q4 25
$0.79
$4.84
Q3 25
$0.62
$4.24
Q2 25
$0.25
$3.18
Q1 25
$0.26
$1.95
Q4 24
$3.66
Q3 24
$2.91
Q2 24
$0.51
$3.25

Balance Sheet & Financial Strength

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

Metric
CSTM
CSTM
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$120.0M
$2.8B
Total DebtLower is stronger
$1.9B
$498.6M
Stockholders' EquityBook value
$952.0M
$9.5B
Total Assets
$5.4B
$13.3B
Debt / EquityLower = less leverage
2.00×
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTM
CSTM
FSLR
FSLR
Q1 26
$2.8B
Q4 25
$120.0M
$2.8B
Q3 25
$122.0M
$2.0B
Q2 25
$133.0M
$1.1B
Q1 25
$118.0M
$837.6M
Q4 24
$1.6B
Q3 24
$1.0B
Q2 24
$1.7B
Total Debt
CSTM
CSTM
FSLR
FSLR
Q1 26
$498.6M
Q4 25
$1.9B
Q3 25
$2.0B
Q2 25
$2.0B
Q1 25
$1.9B
Q4 24
Q3 24
Q2 24
Stockholders' Equity
CSTM
CSTM
FSLR
FSLR
Q1 26
$9.5B
Q4 25
$952.0M
$9.5B
Q3 25
$845.0M
$9.0B
Q2 25
$780.0M
$8.5B
Q1 25
$745.0M
$8.2B
Q4 24
$8.0B
Q3 24
$7.6B
Q2 24
$796.0M
$7.3B
Total Assets
CSTM
CSTM
FSLR
FSLR
Q1 26
$13.3B
Q4 25
$5.4B
$13.3B
Q3 25
$5.4B
$13.5B
Q2 25
$5.4B
$12.9B
Q1 25
$5.2B
$12.1B
Q4 24
$12.1B
Q3 24
$11.4B
Q2 24
$11.0B
Debt / Equity
CSTM
CSTM
FSLR
FSLR
Q1 26
0.05×
Q4 25
2.00×
Q3 25
2.34×
Q2 25
2.53×
Q1 25
2.56×
Q4 24
Q3 24
Q2 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
FSLR
FSLR
Operating Cash FlowLast quarter
$218.0M
$2.1B
Free Cash FlowOCF − Capex
$109.0M
FCF MarginFCF / Revenue
5.0%
Capex IntensityCapex / Revenue
5.0%
Cash ConversionOCF / Net Profit
1.95×
3.95×
TTM Free Cash FlowTrailing 4 quarters
$159.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTM
CSTM
FSLR
FSLR
Q1 26
$2.1B
Q4 25
$218.0M
$1.2B
Q3 25
$99.0M
$1.3B
Q2 25
$114.0M
$149.6M
Q1 25
$58.0M
$-608.0M
Q4 24
$811.0M
Q3 24
$-53.7M
Q2 24
$138.0M
$193.0M
Free Cash Flow
CSTM
CSTM
FSLR
FSLR
Q1 26
Q4 25
$109.0M
$1.1B
Q3 25
$24.0M
$1.1B
Q2 25
$37.0M
$-138.6M
Q1 25
$-11.0M
$-813.9M
Q4 24
$497.5M
Q3 24
$-487.7M
Q2 24
$54.0M
$-172.1M
FCF Margin
CSTM
CSTM
FSLR
FSLR
Q1 26
Q4 25
5.0%
63.6%
Q3 25
1.1%
67.1%
Q2 25
1.8%
-12.6%
Q1 25
-0.6%
-96.4%
Q4 24
32.9%
Q3 24
-54.9%
Q2 24
2.8%
-17.0%
Capex Intensity
CSTM
CSTM
FSLR
FSLR
Q1 26
Q4 25
5.0%
10.2%
Q3 25
3.5%
12.8%
Q2 25
3.7%
26.3%
Q1 25
3.5%
24.4%
Q4 24
20.7%
Q3 24
48.9%
Q2 24
4.3%
36.1%
Cash Conversion
CSTM
CSTM
FSLR
FSLR
Q1 26
3.95×
Q4 25
1.95×
2.38×
Q3 25
1.13×
2.79×
Q2 25
3.17×
0.44×
Q1 25
1.57×
-2.90×
Q4 24
2.06×
Q3 24
-0.17×
Q2 24
1.82×
0.55×

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%

FSLR
FSLR

Segment breakdown not available.

Related Comparisons