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

Fastenal is the larger business by last-quarter revenue ($2.0B vs $1.7B, roughly 1.2× First Solar). First Solar runs the higher net margin — 31.0% vs 14.5%, a 16.5% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (11.1% vs 3.5%). Over the past eight quarters, First Solar's revenue compounded faster (29.0% CAGR vs 2.9%).

Fastenal Company is an American publicly traded company based in Winona, Minnesota, founded in 1967. Fastenal is a major distributor of industrial and construction supplies, and the largest fastener distributor in North America. Fastenal provides supply chain solutions including bin stock, vending machines, inventory management, and logistics services.

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.

FAST vs FSLR — Head-to-Head

Bigger by revenue
FAST
FAST
1.2× larger
FAST
$2.0B
$1.7B
FSLR
Growing faster (revenue YoY)
FSLR
FSLR
+7.7% gap
FSLR
11.1%
3.5%
FAST
Higher net margin
FSLR
FSLR
16.5% more per $
FSLR
31.0%
14.5%
FAST
Faster 2-yr revenue CAGR
FSLR
FSLR
Annualised
FSLR
29.0%
2.9%
FAST

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
FAST
FAST
FSLR
FSLR
Revenue
$2.0B
$1.7B
Net Profit
$293.9M
$520.9M
Gross Margin
44.3%
39.5%
Operating Margin
18.9%
32.6%
Net Margin
14.5%
31.0%
Revenue YoY
3.5%
11.1%
Net Profit YoY
-1.6%
32.5%
EPS (diluted)
$-0.01
$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
FAST
FAST
FSLR
FSLR
Q1 26
$2.0B
$1.7B
Q4 25
$2.0B
$1.7B
Q3 25
$2.1B
$1.6B
Q2 25
$2.1B
$1.1B
Q1 25
$2.0B
$844.6M
Q4 24
$1.8B
$1.5B
Q3 24
$1.9B
$887.7M
Q2 24
$1.9B
$1.0B
Net Profit
FAST
FAST
FSLR
FSLR
Q1 26
$293.9M
$520.9M
Q4 25
$293.9M
$520.9M
Q3 25
$335.5M
$455.9M
Q2 25
$330.3M
$341.9M
Q1 25
$298.7M
$209.5M
Q4 24
$262.1M
$393.1M
Q3 24
$298.1M
$313.0M
Q2 24
$292.7M
$349.4M
Gross Margin
FAST
FAST
FSLR
FSLR
Q1 26
44.3%
39.5%
Q4 25
44.3%
39.5%
Q3 25
45.3%
38.3%
Q2 25
45.3%
45.6%
Q1 25
45.1%
40.8%
Q4 24
44.8%
37.5%
Q3 24
44.9%
50.2%
Q2 24
45.1%
49.4%
Operating Margin
FAST
FAST
FSLR
FSLR
Q1 26
18.9%
32.6%
Q4 25
18.9%
32.6%
Q3 25
20.7%
29.2%
Q2 25
21.0%
33.0%
Q1 25
20.1%
26.2%
Q4 24
18.9%
30.2%
Q3 24
20.3%
36.3%
Q2 24
20.2%
36.9%
Net Margin
FAST
FAST
FSLR
FSLR
Q1 26
14.5%
31.0%
Q4 25
14.5%
31.0%
Q3 25
15.7%
28.6%
Q2 25
15.9%
31.2%
Q1 25
15.2%
24.8%
Q4 24
14.4%
26.0%
Q3 24
15.6%
35.3%
Q2 24
15.3%
34.6%
EPS (diluted)
FAST
FAST
FSLR
FSLR
Q1 26
$-0.01
$4.84
Q4 25
$-0.01
$4.84
Q3 25
$0.29
$4.24
Q2 25
$0.29
$3.18
Q1 25
$0.52
$1.95
Q4 24
$0.45
$3.66
Q3 24
$0.52
$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
FAST
FAST
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$276.8M
$2.8B
Total DebtLower is stronger
$125.0M
$498.6M
Stockholders' EquityBook value
$3.9B
$9.5B
Total Assets
$5.1B
$13.3B
Debt / EquityLower = less leverage
0.03×
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FAST
FAST
FSLR
FSLR
Q1 26
$276.8M
$2.8B
Q4 25
$276.8M
$2.8B
Q3 25
$288.1M
$2.0B
Q2 25
$237.8M
$1.1B
Q1 25
$231.8M
$837.6M
Q4 24
$255.8M
$1.6B
Q3 24
$292.2M
$1.0B
Q2 24
$255.5M
$1.7B
Total Debt
FAST
FAST
FSLR
FSLR
Q1 26
$125.0M
$498.6M
Q4 25
$125.0M
Q3 25
$195.0M
Q2 25
$230.0M
Q1 25
$200.0M
Q4 24
$200.0M
Q3 24
$240.0M
Q2 24
$235.0M
Stockholders' Equity
FAST
FAST
FSLR
FSLR
Q1 26
$3.9B
$9.5B
Q4 25
$3.9B
$9.5B
Q3 25
$3.9B
$9.0B
Q2 25
$3.8B
$8.5B
Q1 25
$3.7B
$8.2B
Q4 24
$3.6B
$8.0B
Q3 24
$3.6B
$7.6B
Q2 24
$3.5B
$7.3B
Total Assets
FAST
FAST
FSLR
FSLR
Q1 26
$5.1B
$13.3B
Q4 25
$5.1B
$13.3B
Q3 25
$5.1B
$13.5B
Q2 25
$5.0B
$12.9B
Q1 25
$4.9B
$12.1B
Q4 24
$4.7B
$12.1B
Q3 24
$4.7B
$11.4B
Q2 24
$4.6B
$11.0B
Debt / Equity
FAST
FAST
FSLR
FSLR
Q1 26
0.03×
0.05×
Q4 25
0.03×
Q3 25
0.05×
Q2 25
0.06×
Q1 25
0.05×
Q4 24
0.06×
Q3 24
0.07×
Q2 24
0.07×

Cash Flow & Capital Efficiency

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

Metric
FAST
FAST
FSLR
FSLR
Operating Cash FlowLast quarter
$368.2M
$2.1B
Free Cash FlowOCF − Capex
$308.2M
FCF MarginFCF / Revenue
15.2%
Capex IntensityCapex / Revenue
3.0%
Cash ConversionOCF / Net Profit
1.25×
3.95×
TTM Free Cash FlowTrailing 4 quarters
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FAST
FAST
FSLR
FSLR
Q1 26
$368.2M
$2.1B
Q4 25
$368.2M
$1.2B
Q3 25
$386.9M
$1.3B
Q2 25
$278.6M
$149.6M
Q1 25
$262.2M
$-608.0M
Q4 24
$282.8M
$811.0M
Q3 24
$296.9M
$-53.7M
Q2 24
$258.0M
$193.0M
Free Cash Flow
FAST
FAST
FSLR
FSLR
Q1 26
$308.2M
Q4 25
$308.2M
$1.1B
Q3 25
$326.6M
$1.1B
Q2 25
$209.3M
$-138.6M
Q1 25
$206.5M
$-813.9M
Q4 24
$222.6M
$497.5M
Q3 24
$237.5M
$-487.7M
Q2 24
$201.9M
$-172.1M
FCF Margin
FAST
FAST
FSLR
FSLR
Q1 26
15.2%
Q4 25
15.2%
63.6%
Q3 25
15.3%
67.1%
Q2 25
10.1%
-12.6%
Q1 25
10.5%
-96.4%
Q4 24
12.2%
32.9%
Q3 24
12.4%
-54.9%
Q2 24
10.5%
-17.0%
Capex Intensity
FAST
FAST
FSLR
FSLR
Q1 26
3.0%
Q4 25
3.0%
10.2%
Q3 25
2.8%
12.8%
Q2 25
3.3%
26.3%
Q1 25
2.8%
24.4%
Q4 24
3.3%
20.7%
Q3 24
3.1%
48.9%
Q2 24
2.9%
36.1%
Cash Conversion
FAST
FAST
FSLR
FSLR
Q1 26
1.25×
3.95×
Q4 25
1.25×
2.38×
Q3 25
1.15×
2.79×
Q2 25
0.84×
0.44×
Q1 25
0.88×
-2.90×
Q4 24
1.08×
2.06×
Q3 24
1.00×
-0.17×
Q2 24
0.88×
0.55×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FAST
FAST

Reportable Segment Aggregation Before Other Operating Segment$1.8B90%
Other$211.2M10%

FSLR
FSLR

Segment breakdown not available.

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