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Side-by-side financial comparison of Diamondback Energy (FANG) and Fastenal (FAST). Click either name above to swap in a different company.

Diamondback Energy is the larger business by last-quarter revenue ($3.4B vs $2.0B, roughly 1.7× Fastenal). Fastenal runs the higher net margin — 14.5% vs -43.2%, a 57.7% gap on every dollar of revenue. On growth, Fastenal posted the faster year-over-year revenue change (3.5% vs -9.0%). Over the past eight quarters, Diamondback Energy's revenue compounded faster (23.1% CAGR vs 2.9%).

Diamondback Energy, headquartered in Midland, Texas, is an American company engaged in hydrocarbon exploration in the Permian Basin.

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.

FANG vs FAST — Head-to-Head

Bigger by revenue
FANG
FANG
1.7× larger
FANG
$3.4B
$2.0B
FAST
Growing faster (revenue YoY)
FAST
FAST
+12.5% gap
FAST
3.5%
-9.0%
FANG
Higher net margin
FAST
FAST
57.7% more per $
FAST
14.5%
-43.2%
FANG
Faster 2-yr revenue CAGR
FANG
FANG
Annualised
FANG
23.1%
2.9%
FAST

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
FANG
FANG
FAST
FAST
Revenue
$3.4B
$2.0B
Net Profit
$-1.5B
$293.9M
Gross Margin
44.3%
Operating Margin
-82.4%
18.9%
Net Margin
-43.2%
14.5%
Revenue YoY
-9.0%
3.5%
Net Profit YoY
-235.8%
-1.6%
EPS (diluted)
$-4.99
$-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
FANG
FANG
FAST
FAST
Q1 26
$2.0B
Q4 25
$3.4B
$2.0B
Q3 25
$3.9B
$2.1B
Q2 25
$3.7B
$2.1B
Q1 25
$4.0B
$2.0B
Q4 24
$3.7B
$1.8B
Q3 24
$2.6B
$1.9B
Q2 24
$2.5B
$1.9B
Net Profit
FANG
FANG
FAST
FAST
Q1 26
$293.9M
Q4 25
$-1.5B
$293.9M
Q3 25
$1.0B
$335.5M
Q2 25
$699.0M
$330.3M
Q1 25
$1.4B
$298.7M
Q4 24
$1.1B
$262.1M
Q3 24
$659.0M
$298.1M
Q2 24
$837.0M
$292.7M
Gross Margin
FANG
FANG
FAST
FAST
Q1 26
44.3%
Q4 25
44.3%
Q3 25
45.3%
Q2 25
45.3%
Q1 25
45.1%
Q4 24
44.8%
Q3 24
44.9%
Q2 24
45.1%
Operating Margin
FANG
FANG
FAST
FAST
Q1 26
18.9%
Q4 25
-82.4%
18.9%
Q3 25
31.5%
20.7%
Q2 25
31.0%
21.0%
Q1 25
41.3%
20.1%
Q4 24
38.0%
18.9%
Q3 24
26.8%
20.3%
Q2 24
46.6%
20.2%
Net Margin
FANG
FANG
FAST
FAST
Q1 26
14.5%
Q4 25
-43.2%
14.5%
Q3 25
25.9%
15.7%
Q2 25
19.0%
15.9%
Q1 25
34.7%
15.2%
Q4 24
28.9%
14.4%
Q3 24
24.9%
15.6%
Q2 24
33.7%
15.3%
EPS (diluted)
FANG
FANG
FAST
FAST
Q1 26
$-0.01
Q4 25
$-4.99
$-0.01
Q3 25
$3.51
$0.29
Q2 25
$2.38
$0.29
Q1 25
$4.83
$0.52
Q4 24
$3.40
$0.45
Q3 24
$3.19
$0.52
Q2 24
$4.66
$0.51

Balance Sheet & Financial Strength

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

Metric
FANG
FANG
FAST
FAST
Cash + ST InvestmentsLiquidity on hand
$104.0M
$276.8M
Total DebtLower is stronger
$13.7B
$125.0M
Stockholders' EquityBook value
$37.0B
$3.9B
Total Assets
$71.1B
$5.1B
Debt / EquityLower = less leverage
0.37×
0.03×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FANG
FANG
FAST
FAST
Q1 26
$276.8M
Q4 25
$104.0M
$276.8M
Q3 25
$159.0M
$288.1M
Q2 25
$219.0M
$237.8M
Q1 25
$1.8B
$231.8M
Q4 24
$161.0M
$255.8M
Q3 24
$370.0M
$292.2M
Q2 24
$6.9B
$255.5M
Total Debt
FANG
FANG
FAST
FAST
Q1 26
$125.0M
Q4 25
$13.7B
$125.0M
Q3 25
$15.8B
$195.0M
Q2 25
$15.1B
$230.0M
Q1 25
$13.0B
$200.0M
Q4 24
$12.1B
$200.0M
Q3 24
$11.9B
$240.0M
Q2 24
$12.0B
$235.0M
Stockholders' Equity
FANG
FANG
FAST
FAST
Q1 26
$3.9B
Q4 25
$37.0B
$3.9B
Q3 25
$39.1B
$3.9B
Q2 25
$38.9B
$3.8B
Q1 25
$38.5B
$3.7B
Q4 24
$37.7B
$3.6B
Q3 24
$37.4B
$3.6B
Q2 24
$17.4B
$3.5B
Total Assets
FANG
FANG
FAST
FAST
Q1 26
$5.1B
Q4 25
$71.1B
$5.1B
Q3 25
$76.2B
$5.1B
Q2 25
$71.9B
$5.0B
Q1 25
$70.1B
$4.9B
Q4 24
$67.3B
$4.7B
Q3 24
$65.7B
$4.7B
Q2 24
$35.6B
$4.6B
Debt / Equity
FANG
FANG
FAST
FAST
Q1 26
0.03×
Q4 25
0.37×
0.03×
Q3 25
0.41×
0.05×
Q2 25
0.39×
0.06×
Q1 25
0.34×
0.05×
Q4 24
0.32×
0.06×
Q3 24
0.32×
0.07×
Q2 24
0.69×
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
FANG
FANG
FAST
FAST
Operating Cash FlowLast quarter
$2.3B
$368.2M
Free Cash FlowOCF − Capex
$308.2M
FCF MarginFCF / Revenue
15.2%
Capex IntensityCapex / Revenue
3.0%
Cash ConversionOCF / Net Profit
1.25×
TTM Free Cash FlowTrailing 4 quarters
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FANG
FANG
FAST
FAST
Q1 26
$368.2M
Q4 25
$2.3B
$368.2M
Q3 25
$2.4B
$386.9M
Q2 25
$1.7B
$278.6M
Q1 25
$2.4B
$262.2M
Q4 24
$2.3B
$282.8M
Q3 24
$1.2B
$296.9M
Q2 24
$1.5B
$258.0M
Free Cash Flow
FANG
FANG
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
FANG
FANG
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
FANG
FANG
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
FANG
FANG
FAST
FAST
Q1 26
1.25×
Q4 25
1.25×
Q3 25
2.34×
1.15×
Q2 25
2.40×
0.84×
Q1 25
1.68×
0.88×
Q4 24
2.18×
1.08×
Q3 24
1.83×
1.00×
Q2 24
1.83×
0.88×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FANG
FANG

Oil Explorationand Production$2.7B81%
Oil Purchased$308.0M9%
Natural Gas Liquids Production$293.0M9%
Natural Gas Production$4.0M0%

FAST
FAST

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

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