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Side-by-side financial comparison of DARLING INGREDIENTS INC. (DAR) and Fastenal (FAST). Click either name above to swap in a different company.

Fastenal is the larger business by last-quarter revenue ($2.0B vs $1.6B, roughly 1.3× DARLING INGREDIENTS INC.). Fastenal runs the higher net margin — 14.5% vs 1.2%, a 13.3% gap on every dollar of revenue. On growth, DARLING INGREDIENTS INC. posted the faster year-over-year revenue change (10.0% vs 3.5%). Over the past eight quarters, Fastenal's revenue compounded faster (2.9% CAGR vs -1.6%).

Darling Ingredients Inc. is a global sustainable natural ingredients maker that converts edible and inedible organic byproducts into high-value products: food-grade nutritional ingredients, animal feed additives, pharmaceutical raw materials and biofuel components, serving food, agriculture, pharma and renewable energy markets across North America, Europe and Asia-Pacific.

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.

DAR vs FAST — Head-to-Head

Bigger by revenue
FAST
FAST
1.3× larger
FAST
$2.0B
$1.6B
DAR
Growing faster (revenue YoY)
DAR
DAR
+6.5% gap
DAR
10.0%
3.5%
FAST
Higher net margin
FAST
FAST
13.3% more per $
FAST
14.5%
1.2%
DAR
Faster 2-yr revenue CAGR
FAST
FAST
Annualised
FAST
2.9%
-1.6%
DAR

Income Statement — Q3 FY2025 vs Q1 FY2026

Metric
DAR
DAR
FAST
FAST
Revenue
$1.6B
$2.0B
Net Profit
$19.4M
$293.9M
Gross Margin
24.7%
44.3%
Operating Margin
4.6%
18.9%
Net Margin
1.2%
14.5%
Revenue YoY
10.0%
3.5%
Net Profit YoY
14.2%
-1.6%
EPS (diluted)
$0.12
$-0.01

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
DAR
DAR
FAST
FAST
Q1 26
$2.0B
Q4 25
$2.0B
Q3 25
$1.6B
$2.1B
Q2 25
$1.5B
$2.1B
Q1 25
$1.4B
$2.0B
Q4 24
$1.4B
$1.8B
Q3 24
$1.4B
$1.9B
Q2 24
$1.5B
$1.9B
Net Profit
DAR
DAR
FAST
FAST
Q1 26
$293.9M
Q4 25
$293.9M
Q3 25
$19.4M
$335.5M
Q2 25
$12.7M
$330.3M
Q1 25
$-26.2M
$298.7M
Q4 24
$101.9M
$262.1M
Q3 24
$16.9M
$298.1M
Q2 24
$78.9M
$292.7M
Gross Margin
DAR
DAR
FAST
FAST
Q1 26
44.3%
Q4 25
44.3%
Q3 25
24.7%
45.3%
Q2 25
23.3%
45.3%
Q1 25
22.6%
45.1%
Q4 24
23.5%
44.8%
Q3 24
22.1%
44.9%
Q2 24
22.5%
45.1%
Operating Margin
DAR
DAR
FAST
FAST
Q1 26
18.9%
Q4 25
18.9%
Q3 25
4.6%
20.7%
Q2 25
5.1%
21.0%
Q1 25
2.1%
20.1%
Q4 24
8.6%
18.9%
Q3 24
4.2%
20.3%
Q2 24
10.2%
20.2%
Net Margin
DAR
DAR
FAST
FAST
Q1 26
14.5%
Q4 25
14.5%
Q3 25
1.2%
15.7%
Q2 25
0.9%
15.9%
Q1 25
-1.9%
15.2%
Q4 24
7.2%
14.4%
Q3 24
1.2%
15.6%
Q2 24
5.4%
15.3%
EPS (diluted)
DAR
DAR
FAST
FAST
Q1 26
$-0.01
Q4 25
$-0.01
Q3 25
$0.12
$0.29
Q2 25
$0.08
$0.29
Q1 25
$-0.16
$0.52
Q4 24
$0.63
$0.45
Q3 24
$0.11
$0.52
Q2 24
$0.49
$0.51

Balance Sheet & Financial Strength

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

Metric
DAR
DAR
FAST
FAST
Cash + ST InvestmentsLiquidity on hand
$91.5M
$276.8M
Total DebtLower is stronger
$4.0B
$125.0M
Stockholders' EquityBook value
$4.7B
$3.9B
Total Assets
$10.5B
$5.1B
Debt / EquityLower = less leverage
0.86×
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DAR
DAR
FAST
FAST
Q1 26
$276.8M
Q4 25
$276.8M
Q3 25
$91.5M
$288.1M
Q2 25
$94.6M
$237.8M
Q1 25
$81.5M
$231.8M
Q4 24
$76.0M
$255.8M
Q3 24
$114.8M
$292.2M
Q2 24
$121.6M
$255.5M
Total Debt
DAR
DAR
FAST
FAST
Q1 26
$125.0M
Q4 25
$125.0M
Q3 25
$4.0B
$195.0M
Q2 25
$3.9B
$230.0M
Q1 25
$3.8B
$200.0M
Q4 24
$3.9B
$200.0M
Q3 24
$4.1B
$240.0M
Q2 24
$4.3B
$235.0M
Stockholders' Equity
DAR
DAR
FAST
FAST
Q1 26
$3.9B
Q4 25
$3.9B
Q3 25
$4.7B
$3.9B
Q2 25
$4.6B
$3.8B
Q1 25
$4.4B
$3.7B
Q4 24
$4.4B
$3.6B
Q3 24
$4.6B
$3.6B
Q2 24
$4.5B
$3.5B
Total Assets
DAR
DAR
FAST
FAST
Q1 26
$5.1B
Q4 25
$5.1B
Q3 25
$10.5B
$5.1B
Q2 25
$10.3B
$5.0B
Q1 25
$10.0B
$4.9B
Q4 24
$10.1B
$4.7B
Q3 24
$10.6B
$4.7B
Q2 24
$10.6B
$4.6B
Debt / Equity
DAR
DAR
FAST
FAST
Q1 26
0.03×
Q4 25
0.03×
Q3 25
0.86×
0.05×
Q2 25
0.85×
0.06×
Q1 25
0.86×
0.05×
Q4 24
0.89×
0.06×
Q3 24
0.91×
0.07×
Q2 24
0.97×
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
DAR
DAR
FAST
FAST
Operating Cash FlowLast quarter
$224.3M
$368.2M
Free Cash FlowOCF − Capex
$308.2M
FCF MarginFCF / Revenue
15.2%
Capex IntensityCapex / Revenue
3.0%
Cash ConversionOCF / Net Profit
11.59×
1.25×
TTM Free Cash FlowTrailing 4 quarters
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DAR
DAR
FAST
FAST
Q1 26
$368.2M
Q4 25
$368.2M
Q3 25
$224.3M
$386.9M
Q2 25
$145.8M
$278.6M
Q1 25
$249.0M
$262.2M
Q4 24
$154.4M
$282.8M
Q3 24
$274.5M
$296.9M
Q2 24
$146.5M
$258.0M
Free Cash Flow
DAR
DAR
FAST
FAST
Q1 26
$308.2M
Q4 25
$308.2M
Q3 25
$326.6M
Q2 25
$209.3M
Q1 25
$206.5M
Q4 24
$222.6M
Q3 24
$237.5M
Q2 24
$201.9M
FCF Margin
DAR
DAR
FAST
FAST
Q1 26
15.2%
Q4 25
15.2%
Q3 25
15.3%
Q2 25
10.1%
Q1 25
10.5%
Q4 24
12.2%
Q3 24
12.4%
Q2 24
10.5%
Capex Intensity
DAR
DAR
FAST
FAST
Q1 26
3.0%
Q4 25
3.0%
Q3 25
2.8%
Q2 25
3.3%
Q1 25
2.8%
Q4 24
3.3%
Q3 24
3.1%
Q2 24
2.9%
Cash Conversion
DAR
DAR
FAST
FAST
Q1 26
1.25×
Q4 25
1.25×
Q3 25
11.59×
1.15×
Q2 25
11.52×
0.84×
Q1 25
0.88×
Q4 24
1.52×
1.08×
Q3 24
16.19×
1.00×
Q2 24
1.86×
0.88×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DAR
DAR

Fats$428.4M27%
Food Ingredients$380.6M24%
Diamond Green Diesel Holdings Llc Joint Venture$342.1M22%
Fuel Ingredients$154.3M10%
Used Cooking Oil$125.9M8%
Other Rendering$76.9M5%
Bakery$46.9M3%
Other Products And Services$12.2M1%

FAST
FAST

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

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