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Side-by-side financial comparison of Clean Energy Fuels Corp. (CLNE) and Quest Diagnostics (DGX). Click either name above to swap in a different company.

Quest Diagnostics is the larger business by last-quarter revenue ($2.9B vs $117.6M, roughly 24.6× Clean Energy Fuels Corp.). Quest Diagnostics runs the higher net margin — 9.7% vs -10.6%, a 20.3% gap on every dollar of revenue. On growth, Quest Diagnostics posted the faster year-over-year revenue change (9.2% vs 0.0%). Over the past eight quarters, Quest Diagnostics's revenue compounded faster (9.9% CAGR vs 9.5%).

Bloom Energy is an American public company that designs and manufactures solid oxide fuel cells (SOFCs) which independently produce electricity onsite for power generation in data centers, manufacturing, and other commercial sectors. Founded in 2001 and headquartered in San Jose, California; its fuel cell technology generates electricity through a chemical conversion process, which differs from most other power sources reliant on combustion, and can use natural gas, biogas or hydrogen as fuel...

Quest Diagnostics Incorporated is an American clinical laboratory. A Fortune 500 company, Quest operates in the United States, Puerto Rico, Mexico, and Brazil. Quest also maintains collaborative agreements with various hospitals and clinics across the globe.

CLNE vs DGX — Head-to-Head

Bigger by revenue
DGX
DGX
24.6× larger
DGX
$2.9B
$117.6M
CLNE
Growing faster (revenue YoY)
DGX
DGX
+9.1% gap
DGX
9.2%
0.0%
CLNE
Higher net margin
DGX
DGX
20.3% more per $
DGX
9.7%
-10.6%
CLNE
Faster 2-yr revenue CAGR
DGX
DGX
Annualised
DGX
9.9%
9.5%
CLNE

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
CLNE
CLNE
DGX
DGX
Revenue
$117.6M
$2.9B
Net Profit
$-12.4M
$281.0M
Gross Margin
Operating Margin
-2.5%
15.4%
Net Margin
-10.6%
9.7%
Revenue YoY
0.0%
9.2%
Net Profit YoY
12.0%
EPS (diluted)
$2.24

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
CLNE
CLNE
DGX
DGX
Q1 26
$117.6M
$2.9B
Q4 25
$112.3M
$2.8B
Q3 25
$106.1M
$2.8B
Q2 25
$102.6M
$2.8B
Q1 25
$103.8M
$2.7B
Q4 24
$109.3M
$2.6B
Q3 24
$104.9M
$2.5B
Q2 24
$98.0M
$2.4B
Net Profit
CLNE
CLNE
DGX
DGX
Q1 26
$-12.4M
$281.0M
Q4 25
$-43.0M
$245.0M
Q3 25
$-23.8M
$245.0M
Q2 25
$-20.2M
$282.0M
Q1 25
$-135.0M
$220.0M
Q4 24
$-30.2M
$222.0M
Q3 24
$-18.2M
$226.0M
Q2 24
$-16.3M
$229.0M
Gross Margin
CLNE
CLNE
DGX
DGX
Q1 26
Q4 25
32.4%
Q3 25
33.7%
Q2 25
34.2%
Q1 25
32.5%
Q4 24
32.7%
Q3 24
32.6%
Q2 24
33.5%
Operating Margin
CLNE
CLNE
DGX
DGX
Q1 26
-2.5%
15.4%
Q4 25
-9.5%
13.8%
Q3 25
-12.8%
13.7%
Q2 25
-9.0%
15.9%
Q1 25
-121.7%
13.0%
Q4 24
-11.8%
13.8%
Q3 24
-8.1%
13.3%
Q2 24
-5.7%
14.8%
Net Margin
CLNE
CLNE
DGX
DGX
Q1 26
-10.6%
9.7%
Q4 25
-38.3%
8.7%
Q3 25
-22.4%
8.7%
Q2 25
-19.7%
10.2%
Q1 25
-130.1%
8.3%
Q4 24
-27.6%
8.5%
Q3 24
-17.3%
9.1%
Q2 24
-16.6%
9.6%
EPS (diluted)
CLNE
CLNE
DGX
DGX
Q1 26
$2.24
Q4 25
$-0.21
$2.18
Q3 25
$-0.11
$2.16
Q2 25
$-0.09
$2.47
Q1 25
$-0.60
$1.94
Q4 24
$-0.14
$1.95
Q3 24
$-0.08
$1.99
Q2 24
$-0.07
$2.03

Balance Sheet & Financial Strength

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

Metric
CLNE
CLNE
DGX
DGX
Cash + ST InvestmentsLiquidity on hand
$70.8M
$393.0M
Total DebtLower is stronger
$54.0K
$5.7B
Stockholders' EquityBook value
$563.7M
$7.7B
Total Assets
$1.0B
$16.7B
Debt / EquityLower = less leverage
0.00×
0.74×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLNE
CLNE
DGX
DGX
Q1 26
$70.8M
$393.0M
Q4 25
$156.1M
$420.0M
Q3 25
$232.2M
$432.0M
Q2 25
$240.8M
$319.0M
Q1 25
$226.6M
$188.0M
Q4 24
$217.5M
$549.0M
Q3 24
$243.5M
$764.0M
Q2 24
$249.3M
$271.0M
Total Debt
CLNE
CLNE
DGX
DGX
Q1 26
$54.0K
$5.7B
Q4 25
$226.8M
$5.2B
Q3 25
$284.3M
$5.2B
Q2 25
$277.9M
$5.2B
Q1 25
$271.6M
$5.9B
Q4 24
$265.4M
$5.6B
Q3 24
$264.1M
$5.6B
Q2 24
$263.0M
$3.8B
Stockholders' Equity
CLNE
CLNE
DGX
DGX
Q1 26
$563.7M
$7.7B
Q4 25
$559.4M
$7.2B
Q3 25
$585.2M
$7.3B
Q2 25
$590.8M
$7.2B
Q1 25
$596.7M
$6.9B
Q4 24
$713.3M
$6.8B
Q3 24
$724.8M
$6.8B
Q2 24
$723.0M
$6.6B
Total Assets
CLNE
CLNE
DGX
DGX
Q1 26
$1.0B
$16.7B
Q4 25
$1.1B
$16.2B
Q3 25
$1.1B
$16.2B
Q2 25
$1.1B
$16.0B
Q1 25
$1.1B
$15.8B
Q4 24
$1.2B
$16.2B
Q3 24
$1.2B
$16.1B
Q2 24
$1.2B
$13.9B
Debt / Equity
CLNE
CLNE
DGX
DGX
Q1 26
0.00×
0.74×
Q4 25
0.41×
0.72×
Q3 25
0.49×
0.71×
Q2 25
0.47×
0.72×
Q1 25
0.46×
0.85×
Q4 24
0.37×
0.83×
Q3 24
0.36×
0.83×
Q2 24
0.36×
0.58×

Cash Flow & Capital Efficiency

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

Metric
CLNE
CLNE
DGX
DGX
Operating Cash FlowLast quarter
$278.0M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
3.9%
Cash ConversionOCF / Net Profit
0.99×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLNE
CLNE
DGX
DGX
Q1 26
$278.0M
Q4 25
$13.1M
$465.0M
Q3 25
$13.1M
$563.0M
Q2 25
$35.9M
$544.0M
Q1 25
$23.4M
$314.0M
Q4 24
$21.9M
$464.0M
Q3 24
$21.4M
$356.0M
Q2 24
$18.8M
$360.0M
Free Cash Flow
CLNE
CLNE
DGX
DGX
Q1 26
Q4 25
$6.5M
$307.0M
Q3 25
$6.5M
$419.0M
Q2 25
$30.9M
$436.0M
Q1 25
$15.9M
$197.0M
Q4 24
$10.3M
$341.0M
Q3 24
$42.0K
$250.0M
Q2 24
$4.8M
$268.0M
FCF Margin
CLNE
CLNE
DGX
DGX
Q1 26
Q4 25
5.8%
10.9%
Q3 25
6.1%
14.9%
Q2 25
30.2%
15.8%
Q1 25
15.4%
7.4%
Q4 24
9.5%
13.0%
Q3 24
0.0%
10.0%
Q2 24
4.9%
11.2%
Capex Intensity
CLNE
CLNE
DGX
DGX
Q1 26
3.9%
Q4 25
5.9%
5.6%
Q3 25
6.2%
5.1%
Q2 25
4.8%
3.9%
Q1 25
7.2%
4.4%
Q4 24
10.5%
4.7%
Q3 24
20.3%
4.3%
Q2 24
14.2%
3.8%
Cash Conversion
CLNE
CLNE
DGX
DGX
Q1 26
0.99×
Q4 25
1.90×
Q3 25
2.30×
Q2 25
1.93×
Q1 25
1.43×
Q4 24
2.09×
Q3 24
1.58×
Q2 24
1.57×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CLNE
CLNE

Product revenue$102.9M88%
Service revenue$14.7M12%

DGX
DGX

Segment breakdown not available.

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