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Side-by-side financial comparison of Delek US Holdings, Inc. (DK) and First Solar (FSLR). Click either name above to swap in a different company.

Delek US Holdings, Inc. is the larger business by last-quarter revenue ($2.6B vs $1.0B, roughly 2.5× First Solar). First Solar runs the higher net margin — 33.2% vs -7.7%, a 40.8% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (23.6% vs -4.9%). Over the past eight quarters, First Solar's revenue compounded faster (1.7% CAGR vs -10.8%).

Delek US Holdings, Inc. is an oil refining, logistics and biofuels company founded in 2001 and headquartered in Brentwood, Tennessee.

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.

DK vs FSLR — Head-to-Head

Bigger by revenue
DK
DK
2.5× larger
DK
$2.6B
$1.0B
FSLR
Growing faster (revenue YoY)
FSLR
FSLR
+28.6% gap
FSLR
23.6%
-4.9%
DK
Higher net margin
FSLR
FSLR
40.8% more per $
FSLR
33.2%
-7.7%
DK
Faster 2-yr revenue CAGR
FSLR
FSLR
Annualised
FSLR
1.7%
-10.8%
DK

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
DK
DK
FSLR
FSLR
Revenue
$2.6B
$1.0B
Net Profit
$-201.3M
$346.6M
Gross Margin
-5.8%
46.6%
Operating Margin
33.1%
Net Margin
-7.7%
33.2%
Revenue YoY
-4.9%
23.6%
Net Profit YoY
65.4%
EPS (diluted)
$-3.34
$3.22

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
DK
DK
FSLR
FSLR
Q1 26
$2.6B
$1.0B
Q4 25
$2.4B
$1.7B
Q3 25
$2.9B
$1.6B
Q2 25
$2.8B
$1.1B
Q1 25
$2.6B
$844.6M
Q4 24
$2.4B
$1.5B
Q3 24
$3.0B
$887.7M
Q2 24
$3.3B
$1.0B
Net Profit
DK
DK
FSLR
FSLR
Q1 26
$-201.3M
$346.6M
Q4 25
$78.3M
$520.9M
Q3 25
$178.0M
$455.9M
Q2 25
$-106.4M
$341.9M
Q1 25
$-172.7M
$209.5M
Q4 24
$-413.8M
$393.1M
Q3 24
$-76.8M
$313.0M
Q2 24
$-37.2M
$349.4M
Gross Margin
DK
DK
FSLR
FSLR
Q1 26
-5.8%
46.6%
Q4 25
9.3%
39.5%
Q3 25
13.8%
38.3%
Q2 25
1.9%
45.6%
Q1 25
-2.4%
40.8%
Q4 24
-5.7%
37.5%
Q3 24
-0.7%
50.2%
Q2 24
0.5%
49.4%
Operating Margin
DK
DK
FSLR
FSLR
Q1 26
33.1%
Q4 25
6.8%
32.6%
Q3 25
10.2%
29.2%
Q2 25
-1.2%
33.0%
Q1 25
-4.8%
26.2%
Q4 24
-17.0%
30.2%
Q3 24
-4.0%
36.3%
Q2 24
0.1%
36.9%
Net Margin
DK
DK
FSLR
FSLR
Q1 26
-7.7%
33.2%
Q4 25
3.2%
31.0%
Q3 25
6.2%
28.6%
Q2 25
-3.8%
31.2%
Q1 25
-6.5%
24.8%
Q4 24
-17.4%
26.0%
Q3 24
-2.5%
35.3%
Q2 24
-1.1%
34.6%
EPS (diluted)
DK
DK
FSLR
FSLR
Q1 26
$-3.34
$3.22
Q4 25
$1.23
$4.84
Q3 25
$2.93
$4.24
Q2 25
$-1.76
$3.18
Q1 25
$-2.78
$1.95
Q4 24
$-6.48
$3.66
Q3 24
$-1.20
$2.91
Q2 24
$-0.58
$3.25

Balance Sheet & Financial Strength

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

Metric
DK
DK
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$624.1M
$2.4B
Total DebtLower is stronger
$3.2B
$425.8M
Stockholders' EquityBook value
$302.0M
$9.9B
Total Assets
$7.6B
$13.4B
Debt / EquityLower = less leverage
10.54×
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DK
DK
FSLR
FSLR
Q1 26
$624.1M
$2.4B
Q4 25
$625.8M
$2.8B
Q3 25
$630.9M
$2.0B
Q2 25
$615.5M
$1.1B
Q1 25
$623.8M
$837.6M
Q4 24
$735.6M
$1.6B
Q3 24
$1.0B
$1.0B
Q2 24
$657.9M
$1.7B
Total Debt
DK
DK
FSLR
FSLR
Q1 26
$3.2B
$425.8M
Q4 25
$3.2B
Q3 25
$3.2B
Q2 25
$3.1B
Q1 25
$3.0B
Q4 24
$2.8B
Q3 24
$2.8B
Q2 24
$2.5B
Stockholders' Equity
DK
DK
FSLR
FSLR
Q1 26
$302.0M
$9.9B
Q4 25
$547.3M
$9.5B
Q3 25
$444.8M
$9.0B
Q2 25
$294.9M
$8.5B
Q1 25
$429.4M
$8.2B
Q4 24
$575.2M
$8.0B
Q3 24
$875.4M
$7.6B
Q2 24
$982.8M
$7.3B
Total Assets
DK
DK
FSLR
FSLR
Q1 26
$7.6B
$13.4B
Q4 25
$6.8B
$13.3B
Q3 25
$7.1B
$13.5B
Q2 25
$7.1B
$12.9B
Q1 25
$6.9B
$12.1B
Q4 24
$6.7B
$12.1B
Q3 24
$7.0B
$11.4B
Q2 24
$6.9B
$11.0B
Debt / Equity
DK
DK
FSLR
FSLR
Q1 26
10.54×
0.04×
Q4 25
5.91×
Q3 25
7.14×
Q2 25
10.51×
Q1 25
7.07×
Q4 24
4.81×
Q3 24
3.19×
Q2 24
2.50×

Cash Flow & Capital Efficiency

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

Metric
DK
DK
FSLR
FSLR
Operating Cash FlowLast quarter
$-214.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
-0.62×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DK
DK
FSLR
FSLR
Q1 26
$-214.9M
Q4 25
$502.8M
$1.2B
Q3 25
$44.0M
$1.3B
Q2 25
$51.4M
$149.6M
Q1 25
$-62.4M
$-608.0M
Q4 24
$-163.5M
$811.0M
Q3 24
$-21.6M
$-53.7M
Q2 24
$-48.4M
$193.0M
Free Cash Flow
DK
DK
FSLR
FSLR
Q1 26
Q4 25
$382.8M
$1.1B
Q3 25
$-64.0M
$1.1B
Q2 25
$-114.4M
$-138.6M
Q1 25
$-198.1M
$-813.9M
Q4 24
$-354.0M
$497.5M
Q3 24
$-140.6M
$-487.7M
Q2 24
$-128.3M
$-172.1M
FCF Margin
DK
DK
FSLR
FSLR
Q1 26
Q4 25
15.8%
63.6%
Q3 25
-2.2%
67.1%
Q2 25
-4.1%
-12.6%
Q1 25
-7.5%
-96.4%
Q4 24
-14.9%
32.9%
Q3 24
-4.6%
-54.9%
Q2 24
-3.9%
-17.0%
Capex Intensity
DK
DK
FSLR
FSLR
Q1 26
Q4 25
4.9%
10.2%
Q3 25
3.7%
12.8%
Q2 25
6.0%
26.3%
Q1 25
5.1%
24.4%
Q4 24
8.0%
20.7%
Q3 24
3.9%
48.9%
Q2 24
2.4%
36.1%
Cash Conversion
DK
DK
FSLR
FSLR
Q1 26
-0.62×
Q4 25
6.42×
2.38×
Q3 25
0.25×
2.79×
Q2 25
0.44×
Q1 25
-2.90×
Q4 24
2.06×
Q3 24
-0.17×
Q2 24
0.55×

Financial Flow Comparison

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

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