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

ONTO INNOVATION INC. is the larger business by last-quarter revenue ($218.2M vs $112.3M, roughly 1.9× Clean Energy Fuels Corp.). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs -38.3%, a 51.2% gap on every dollar of revenue. On growth, Clean Energy Fuels Corp. posted the faster year-over-year revenue change (2.7% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $6.5M). Over the past eight quarters, Clean Energy Fuels Corp.'s revenue compounded faster (4.1% CAGR vs 2.6%).

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...

Onto Innovation Inc. is an American semiconductor company formed in 2019 from the merger of Rudolph Technologies, Inc. and Nanometrics Incorporated. It is a provider of process and process control equipment and software for microelectronic manufacturing industries.

CLNE vs ONTO — Head-to-Head

Bigger by revenue
ONTO
ONTO
1.9× larger
ONTO
$218.2M
$112.3M
CLNE
Growing faster (revenue YoY)
CLNE
CLNE
+16.2% gap
CLNE
2.7%
-13.5%
ONTO
Higher net margin
ONTO
ONTO
51.2% more per $
ONTO
12.9%
-38.3%
CLNE
More free cash flow
ONTO
ONTO
$75.5M more FCF
ONTO
$82.0M
$6.5M
CLNE
Faster 2-yr revenue CAGR
CLNE
CLNE
Annualised
CLNE
4.1%
2.6%
ONTO

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
CLNE
CLNE
ONTO
ONTO
Revenue
$112.3M
$218.2M
Net Profit
$-43.0M
$28.2M
Gross Margin
50.7%
Operating Margin
-9.5%
10.9%
Net Margin
-38.3%
12.9%
Revenue YoY
2.7%
-13.5%
Net Profit YoY
-42.6%
-46.8%
EPS (diluted)
$-0.21
$0.57

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
ONTO
ONTO
Q4 25
$112.3M
Q3 25
$106.1M
$218.2M
Q2 25
$102.6M
$253.6M
Q1 25
$103.8M
$266.6M
Q4 24
$109.3M
$263.9M
Q3 24
$104.9M
$252.2M
Q2 24
$98.0M
$242.3M
Q1 24
$103.7M
$228.8M
Net Profit
CLNE
CLNE
ONTO
ONTO
Q4 25
$-43.0M
Q3 25
$-23.8M
$28.2M
Q2 25
$-20.2M
$33.9M
Q1 25
$-135.0M
$64.1M
Q4 24
$-30.2M
$48.8M
Q3 24
$-18.2M
$53.1M
Q2 24
$-16.3M
$52.9M
Q1 24
$-18.4M
$46.9M
Gross Margin
CLNE
CLNE
ONTO
ONTO
Q4 25
Q3 25
50.7%
Q2 25
48.2%
Q1 25
53.7%
Q4 24
50.2%
Q3 24
54.1%
Q2 24
52.9%
Q1 24
51.7%
Operating Margin
CLNE
CLNE
ONTO
ONTO
Q4 25
-9.5%
Q3 25
-12.8%
10.9%
Q2 25
-9.0%
12.7%
Q1 25
-121.7%
23.7%
Q4 24
-11.8%
16.1%
Q3 24
-8.1%
21.0%
Q2 24
-5.7%
20.2%
Q1 24
-9.0%
18.7%
Net Margin
CLNE
CLNE
ONTO
ONTO
Q4 25
-38.3%
Q3 25
-22.4%
12.9%
Q2 25
-19.7%
13.4%
Q1 25
-130.1%
24.0%
Q4 24
-27.6%
18.5%
Q3 24
-17.3%
21.0%
Q2 24
-16.6%
21.9%
Q1 24
-17.8%
20.5%
EPS (diluted)
CLNE
CLNE
ONTO
ONTO
Q4 25
$-0.21
Q3 25
$-0.11
$0.57
Q2 25
$-0.09
$0.69
Q1 25
$-0.60
$1.30
Q4 24
$-0.14
$0.98
Q3 24
$-0.08
$1.07
Q2 24
$-0.07
$1.07
Q1 24
$-0.08
$0.94

Balance Sheet & Financial Strength

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

Metric
CLNE
CLNE
ONTO
ONTO
Cash + ST InvestmentsLiquidity on hand
$156.1M
$603.1M
Total DebtLower is stronger
$226.8M
Stockholders' EquityBook value
$559.4M
$2.0B
Total Assets
$1.1B
$2.2B
Debt / EquityLower = less leverage
0.41×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLNE
CLNE
ONTO
ONTO
Q4 25
$156.1M
Q3 25
$232.2M
$603.1M
Q2 25
$240.8M
$217.5M
Q1 25
$226.6M
$203.7M
Q4 24
$217.5M
$212.9M
Q3 24
$243.5M
$188.7M
Q2 24
$249.3M
$172.6M
Q1 24
$248.9M
$190.9M
Total Debt
CLNE
CLNE
ONTO
ONTO
Q4 25
$226.8M
Q3 25
$284.3M
Q2 25
$277.9M
Q1 25
$271.6M
Q4 24
$265.4M
Q3 24
$264.1M
Q2 24
$263.0M
Q1 24
$262.0M
Stockholders' Equity
CLNE
CLNE
ONTO
ONTO
Q4 25
$559.4M
Q3 25
$585.2M
$2.0B
Q2 25
$590.8M
$2.0B
Q1 25
$596.7M
$1.9B
Q4 24
$713.3M
$1.9B
Q3 24
$724.8M
$1.9B
Q2 24
$723.0M
$1.8B
Q1 24
$722.9M
$1.8B
Total Assets
CLNE
CLNE
ONTO
ONTO
Q4 25
$1.1B
Q3 25
$1.1B
$2.2B
Q2 25
$1.1B
$2.1B
Q1 25
$1.1B
$2.1B
Q4 24
$1.2B
$2.1B
Q3 24
$1.2B
$2.1B
Q2 24
$1.2B
$2.0B
Q1 24
$1.2B
$2.0B
Debt / Equity
CLNE
CLNE
ONTO
ONTO
Q4 25
0.41×
Q3 25
0.49×
Q2 25
0.47×
Q1 25
0.46×
Q4 24
0.37×
Q3 24
0.36×
Q2 24
0.36×
Q1 24
0.36×

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
ONTO
ONTO
Operating Cash FlowLast quarter
$13.1M
$83.4M
Free Cash FlowOCF − Capex
$6.5M
$82.0M
FCF MarginFCF / Revenue
5.8%
37.6%
Capex IntensityCapex / Revenue
5.9%
0.6%
Cash ConversionOCF / Net Profit
2.95×
TTM Free Cash FlowTrailing 4 quarters
$59.9M
$261.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLNE
CLNE
ONTO
ONTO
Q4 25
$13.1M
Q3 25
$13.1M
$83.4M
Q2 25
$35.9M
$57.9M
Q1 25
$23.4M
$92.0M
Q4 24
$21.9M
$56.0M
Q3 24
$21.4M
$67.2M
Q2 24
$18.8M
$65.3M
Q1 24
$2.6M
$57.1M
Free Cash Flow
CLNE
CLNE
ONTO
ONTO
Q4 25
$6.5M
Q3 25
$6.5M
$82.0M
Q2 25
$30.9M
$44.2M
Q1 25
$15.9M
$83.7M
Q4 24
$10.3M
$51.4M
Q3 24
$42.0K
$59.2M
Q2 24
$4.8M
$53.0M
Q1 24
$-15.6M
$50.2M
FCF Margin
CLNE
CLNE
ONTO
ONTO
Q4 25
5.8%
Q3 25
6.1%
37.6%
Q2 25
30.2%
17.4%
Q1 25
15.4%
31.4%
Q4 24
9.5%
19.5%
Q3 24
0.0%
23.5%
Q2 24
4.9%
21.9%
Q1 24
-15.1%
21.9%
Capex Intensity
CLNE
CLNE
ONTO
ONTO
Q4 25
5.9%
Q3 25
6.2%
0.6%
Q2 25
4.8%
5.4%
Q1 25
7.2%
3.1%
Q4 24
10.5%
1.8%
Q3 24
20.3%
3.2%
Q2 24
14.2%
5.1%
Q1 24
17.6%
3.0%
Cash Conversion
CLNE
CLNE
ONTO
ONTO
Q4 25
Q3 25
2.95×
Q2 25
1.71×
Q1 25
1.44×
Q4 24
1.15×
Q3 24
1.27×
Q2 24
1.23×
Q1 24
1.22×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CLNE
CLNE

Volume Related Fuel Sales$73.6M66%
Services$15.1M13%
Station Construction Sales$10.7M9%
Volume Related Renewable Identification Number Credits$9.5M8%
Volume Related Low Carbon Fuel Standard Credits$3.4M3%

ONTO
ONTO

Systems And Software Revenue$173.8M80%
Parts Revenue$23.9M11%
Service Revenue$20.5M9%

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