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

First Solar is the larger business by last-quarter revenue ($1.7B vs $1.5B, roughly 1.1× BioNTech SE). First Solar runs the higher net margin — 31.0% vs -1.9%, a 32.8% gap on every dollar of revenue.

BioNTech SE is a German multinational biotechnology company headquartered in Mainz that develops immunotherapies and vaccines, particularly for cancer and infectious diseases.

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.

BNTX vs FSLR — Head-to-Head

Bigger by revenue
FSLR
FSLR
1.1× larger
FSLR
$1.7B
$1.5B
BNTX
Higher net margin
FSLR
FSLR
32.8% more per $
FSLR
31.0%
-1.9%
BNTX

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
BNTX
BNTX
FSLR
FSLR
Revenue
$1.5B
$1.7B
Net Profit
$-28.7M
$520.9M
Gross Margin
39.5%
Operating Margin
-3.1%
32.6%
Net Margin
-1.9%
31.0%
Revenue YoY
11.1%
Net Profit YoY
32.5%
EPS (diluted)
$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
BNTX
BNTX
FSLR
FSLR
Q4 25
$1.7B
Q3 25
$1.5B
$1.6B
Q2 25
$260.8M
$1.1B
Q1 25
$844.6M
Q4 24
$1.5B
Q3 24
$1.2B
$887.7M
Q2 24
$1.0B
Q1 24
$794.1M
Net Profit
BNTX
BNTX
FSLR
FSLR
Q4 25
$520.9M
Q3 25
$-28.7M
$455.9M
Q2 25
$-386.6M
$341.9M
Q1 25
$209.5M
Q4 24
$393.1M
Q3 24
$198.1M
$313.0M
Q2 24
$349.4M
Q1 24
$236.6M
Gross Margin
BNTX
BNTX
FSLR
FSLR
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%
Q1 24
43.6%
Operating Margin
BNTX
BNTX
FSLR
FSLR
Q4 25
32.6%
Q3 25
-3.1%
29.2%
Q2 25
-192.1%
33.0%
Q1 25
26.2%
Q4 24
30.2%
Q3 24
0.8%
36.3%
Q2 24
36.9%
Q1 24
30.6%
Net Margin
BNTX
BNTX
FSLR
FSLR
Q4 25
31.0%
Q3 25
-1.9%
28.6%
Q2 25
-148.2%
31.2%
Q1 25
24.8%
Q4 24
26.0%
Q3 24
15.9%
35.3%
Q2 24
34.6%
Q1 24
29.8%
EPS (diluted)
BNTX
BNTX
FSLR
FSLR
Q4 25
$4.84
Q3 25
$4.24
Q2 25
$3.18
Q1 25
$1.95
Q4 24
$3.66
Q3 24
$2.91
Q2 24
$3.25
Q1 24
$2.20

Balance Sheet & Financial Strength

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

Metric
BNTX
BNTX
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$2.8B
Total DebtLower is stronger
Stockholders' EquityBook value
$9.5B
Total Assets
$13.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BNTX
BNTX
FSLR
FSLR
Q4 25
$2.8B
Q3 25
$2.0B
Q2 25
$1.1B
Q1 25
$837.6M
Q4 24
$1.6B
Q3 24
$1.0B
Q2 24
$1.7B
Q1 24
$1.7B
Stockholders' Equity
BNTX
BNTX
FSLR
FSLR
Q4 25
$9.5B
Q3 25
$9.0B
Q2 25
$8.5B
Q1 25
$8.2B
Q4 24
$8.0B
Q3 24
$7.6B
Q2 24
$7.3B
Q1 24
$6.9B
Total Assets
BNTX
BNTX
FSLR
FSLR
Q4 25
$13.3B
Q3 25
$13.5B
Q2 25
$12.9B
Q1 25
$12.1B
Q4 24
$12.1B
Q3 24
$11.4B
Q2 24
$11.0B
Q1 24
$10.8B

Cash Flow & Capital Efficiency

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

Metric
BNTX
BNTX
FSLR
FSLR
Operating Cash FlowLast quarter
$1.2B
Free Cash FlowOCF − Capex
$1.1B
FCF MarginFCF / Revenue
63.6%
Capex IntensityCapex / Revenue
10.2%
Cash ConversionOCF / Net Profit
2.38×
TTM Free Cash FlowTrailing 4 quarters
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BNTX
BNTX
FSLR
FSLR
Q4 25
$1.2B
Q3 25
$1.3B
Q2 25
$149.6M
Q1 25
$-608.0M
Q4 24
$811.0M
Q3 24
$-53.7M
Q2 24
$193.0M
Q1 24
$267.7M
Free Cash Flow
BNTX
BNTX
FSLR
FSLR
Q4 25
$1.1B
Q3 25
$1.1B
Q2 25
$-138.6M
Q1 25
$-813.9M
Q4 24
$497.5M
Q3 24
$-487.7M
Q2 24
$-172.1M
Q1 24
$-145.7M
FCF Margin
BNTX
BNTX
FSLR
FSLR
Q4 25
63.6%
Q3 25
67.1%
Q2 25
-12.6%
Q1 25
-96.4%
Q4 24
32.9%
Q3 24
-54.9%
Q2 24
-17.0%
Q1 24
-18.4%
Capex Intensity
BNTX
BNTX
FSLR
FSLR
Q4 25
10.2%
Q3 25
12.8%
Q2 25
26.3%
Q1 25
24.4%
Q4 24
20.7%
Q3 24
48.9%
Q2 24
36.1%
Q1 24
52.1%
Cash Conversion
BNTX
BNTX
FSLR
FSLR
Q4 25
2.38×
Q3 25
2.79×
Q2 25
0.44×
Q1 25
-2.90×
Q4 24
2.06×
Q3 24
-0.17×
Q2 24
0.55×
Q1 24
1.13×

Financial Flow Comparison

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

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