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Side-by-side financial comparison of ONTO INNOVATION INC. (ONTO) and USA Compression Partners, LP (USAC). Click either name above to swap in a different company.

USA Compression Partners, LP is the larger business by last-quarter revenue ($252.5M vs $218.2M, roughly 1.2× ONTO INNOVATION INC.). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs 11.0%, a 1.9% gap on every dollar of revenue. On growth, USA Compression Partners, LP posted the faster year-over-year revenue change (2.7% vs -13.5%). USA Compression Partners, LP produced more free cash flow last quarter ($87.7M vs $82.0M). Over the past eight quarters, USA Compression Partners, LP's revenue compounded faster (4.9% CAGR vs 2.6%).

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.

USA Compression Partners, LP is a US-based provider of natural gas compression services and related infrastructure solutions. It serves clients across the upstream, midstream, and downstream segments of the oil and gas industry, offering custom compression systems, maintenance, and operational support to facilitate efficient natural gas production, processing, and transportation.

ONTO vs USAC — Head-to-Head

Bigger by revenue
USAC
USAC
1.2× larger
USAC
$252.5M
$218.2M
ONTO
Growing faster (revenue YoY)
USAC
USAC
+16.2% gap
USAC
2.7%
-13.5%
ONTO
Higher net margin
ONTO
ONTO
1.9% more per $
ONTO
12.9%
11.0%
USAC
More free cash flow
USAC
USAC
$5.7M more FCF
USAC
$87.7M
$82.0M
ONTO
Faster 2-yr revenue CAGR
USAC
USAC
Annualised
USAC
4.9%
2.6%
ONTO

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
ONTO
ONTO
USAC
USAC
Revenue
$218.2M
$252.5M
Net Profit
$28.2M
$27.8M
Gross Margin
50.7%
Operating Margin
10.9%
30.3%
Net Margin
12.9%
11.0%
Revenue YoY
-13.5%
2.7%
Net Profit YoY
-46.8%
9.1%
EPS (diluted)
$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
ONTO
ONTO
USAC
USAC
Q4 25
$252.5M
Q3 25
$218.2M
$250.3M
Q2 25
$253.6M
$250.1M
Q1 25
$266.6M
$245.2M
Q4 24
$263.9M
$245.9M
Q3 24
$252.2M
$240.0M
Q2 24
$242.3M
$235.3M
Q1 24
$228.8M
$229.3M
Net Profit
ONTO
ONTO
USAC
USAC
Q4 25
$27.8M
Q3 25
$28.2M
$34.5M
Q2 25
$33.9M
$28.6M
Q1 25
$64.1M
$20.5M
Q4 24
$48.8M
$25.4M
Q3 24
$53.1M
$19.3M
Q2 24
$52.9M
$31.2M
Q1 24
$46.9M
$23.6M
Gross Margin
ONTO
ONTO
USAC
USAC
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
ONTO
ONTO
USAC
USAC
Q4 25
30.3%
Q3 25
10.9%
33.5%
Q2 25
12.7%
30.6%
Q1 25
23.7%
28.3%
Q4 24
16.1%
30.3%
Q3 24
21.0%
31.5%
Q2 24
20.2%
32.9%
Q1 24
18.7%
29.2%
Net Margin
ONTO
ONTO
USAC
USAC
Q4 25
11.0%
Q3 25
12.9%
13.8%
Q2 25
13.4%
11.4%
Q1 25
24.0%
8.4%
Q4 24
18.5%
10.3%
Q3 24
21.0%
8.1%
Q2 24
21.9%
13.3%
Q1 24
20.5%
10.3%
EPS (diluted)
ONTO
ONTO
USAC
USAC
Q4 25
Q3 25
$0.57
Q2 25
$0.69
Q1 25
$1.30
Q4 24
$0.98
Q3 24
$1.07
Q2 24
$1.07
Q1 24
$0.94

Balance Sheet & Financial Strength

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

Metric
ONTO
ONTO
USAC
USAC
Cash + ST InvestmentsLiquidity on hand
$603.1M
$8.6M
Total DebtLower is stronger
$2.5B
Stockholders' EquityBook value
$2.0B
Total Assets
$2.2B
$2.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ONTO
ONTO
USAC
USAC
Q4 25
$8.6M
Q3 25
$603.1M
Q2 25
$217.5M
$2.0K
Q1 25
$203.7M
$2.0K
Q4 24
$212.9M
$14.0K
Q3 24
$188.7M
$79.0K
Q2 24
$172.6M
$9.0K
Q1 24
$190.9M
$8.0K
Total Debt
ONTO
ONTO
USAC
USAC
Q4 25
$2.5B
Q3 25
$2.5B
Q2 25
$2.5B
Q1 25
$2.5B
Q4 24
$2.5B
Q3 24
$2.5B
Q2 24
$2.5B
Q1 24
$2.5B
Stockholders' Equity
ONTO
ONTO
USAC
USAC
Q4 25
Q3 25
$2.0B
Q2 25
$2.0B
Q1 25
$1.9B
Q4 24
$1.9B
Q3 24
$1.9B
Q2 24
$1.8B
Q1 24
$1.8B
Total Assets
ONTO
ONTO
USAC
USAC
Q4 25
$2.6B
Q3 25
$2.2B
$2.7B
Q2 25
$2.1B
$2.7B
Q1 25
$2.1B
$2.7B
Q4 24
$2.1B
$2.7B
Q3 24
$2.1B
$2.8B
Q2 24
$2.0B
$2.8B
Q1 24
$2.0B
$2.8B

Cash Flow & Capital Efficiency

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

Metric
ONTO
ONTO
USAC
USAC
Operating Cash FlowLast quarter
$83.4M
$139.5M
Free Cash FlowOCF − Capex
$82.0M
$87.7M
FCF MarginFCF / Revenue
37.6%
34.8%
Capex IntensityCapex / Revenue
0.6%
20.5%
Cash ConversionOCF / Net Profit
2.95×
5.02×
TTM Free Cash FlowTrailing 4 quarters
$261.3M
$277.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ONTO
ONTO
USAC
USAC
Q4 25
$139.5M
Q3 25
$83.4M
$75.9M
Q2 25
$57.9M
$124.2M
Q1 25
$92.0M
$54.7M
Q4 24
$56.0M
$130.2M
Q3 24
$67.2M
$48.5M
Q2 24
$65.3M
$96.7M
Q1 24
$57.1M
$65.9M
Free Cash Flow
ONTO
ONTO
USAC
USAC
Q4 25
$87.7M
Q3 25
$82.0M
$51.9M
Q2 25
$44.2M
$101.1M
Q1 25
$83.7M
$36.3M
Q4 24
$51.4M
$101.2M
Q3 24
$59.2M
$19.8M
Q2 24
$53.0M
$48.2M
Q1 24
$50.2M
$-32.7M
FCF Margin
ONTO
ONTO
USAC
USAC
Q4 25
34.8%
Q3 25
37.6%
20.7%
Q2 25
17.4%
40.4%
Q1 25
31.4%
14.8%
Q4 24
19.5%
41.1%
Q3 24
23.5%
8.2%
Q2 24
21.9%
20.5%
Q1 24
21.9%
-14.3%
Capex Intensity
ONTO
ONTO
USAC
USAC
Q4 25
20.5%
Q3 25
0.6%
9.6%
Q2 25
5.4%
9.3%
Q1 25
3.1%
7.5%
Q4 24
1.8%
11.8%
Q3 24
3.2%
12.0%
Q2 24
5.1%
20.6%
Q1 24
3.0%
43.0%
Cash Conversion
ONTO
ONTO
USAC
USAC
Q4 25
5.02×
Q3 25
2.95×
2.20×
Q2 25
1.71×
4.35×
Q1 25
1.44×
2.66×
Q4 24
1.15×
5.12×
Q3 24
1.27×
2.51×
Q2 24
1.23×
3.10×
Q1 24
1.22×
2.80×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ONTO
ONTO

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

USAC
USAC

Revenue From Contract Operations Excluding Revenue From Related Party$231.7M92%
Entities Affiliated With Energy Transfer LP$16.6M7%
Transferred At Point In Time$5.4M2%

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