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Side-by-side financial comparison of ONTO INNOVATION INC. (ONTO) and VNET Group, Inc. (VNET). Click either name above to swap in a different company.

VNET Group, Inc. is the larger business by last-quarter revenue ($362.7M vs $218.2M, roughly 1.7× ONTO INNOVATION INC.). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs -10.7%, a 23.6% gap on every dollar of revenue. ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $-193.1M). Over the past eight quarters, VNET Group, Inc.'s revenue compounded faster (17.4% 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.

VNET Group, Inc. is a leading neutral internet data center service provider operating primarily in China. It offers cloud computing infrastructure, colocation services, managed network solutions, and hybrid cloud support to enterprise clients across technology, finance, and retail sectors, enabling stable, high-performance digital operation foundations for domestic and global businesses expanding in the Chinese market.

ONTO vs VNET — Head-to-Head

Bigger by revenue
VNET
VNET
1.7× larger
VNET
$362.7M
$218.2M
ONTO
Higher net margin
ONTO
ONTO
23.6% more per $
ONTO
12.9%
-10.7%
VNET
More free cash flow
ONTO
ONTO
$275.1M more FCF
ONTO
$82.0M
$-193.1M
VNET
Faster 2-yr revenue CAGR
VNET
VNET
Annualised
VNET
17.4%
2.6%
ONTO

Income Statement — Q3 FY2025 vs Q3 FY2025

Metric
ONTO
ONTO
VNET
VNET
Revenue
$218.2M
$362.7M
Net Profit
$28.2M
$-38.7M
Gross Margin
50.7%
20.9%
Operating Margin
10.9%
0.5%
Net Margin
12.9%
-10.7%
Revenue YoY
-13.5%
Net Profit YoY
-46.8%
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
VNET
VNET
Q3 25
$218.2M
$362.7M
Q2 25
$253.6M
Q1 25
$266.6M
$309.5M
Q4 24
$263.9M
Q3 24
$252.2M
$302.2M
Q2 24
$242.3M
$274.4M
Q1 24
$228.8M
$262.9M
Q3 23
$207.2M
$258.6M
Net Profit
ONTO
ONTO
VNET
VNET
Q3 25
$28.2M
$-38.7M
Q2 25
$33.9M
Q1 25
$64.1M
$-2.4M
Q4 24
$48.8M
Q3 24
$53.1M
$-2.1M
Q2 24
$52.9M
$-1.1M
Q1 24
$46.9M
$-22.0M
Q3 23
$35.9M
$-5.5M
Gross Margin
ONTO
ONTO
VNET
VNET
Q3 25
50.7%
20.9%
Q2 25
48.2%
Q1 25
53.7%
25.2%
Q4 24
50.2%
Q3 24
54.1%
23.2%
Q2 24
52.9%
21.3%
Q1 24
51.7%
21.6%
Q3 23
51.6%
16.2%
Operating Margin
ONTO
ONTO
VNET
VNET
Q3 25
10.9%
0.5%
Q2 25
12.7%
Q1 25
23.7%
0.1%
Q4 24
16.1%
Q3 24
21.0%
24.5%
Q2 24
20.2%
0.2%
Q1 24
18.7%
0.2%
Q3 23
16.4%
1.7%
Net Margin
ONTO
ONTO
VNET
VNET
Q3 25
12.9%
-10.7%
Q2 25
13.4%
Q1 25
24.0%
-0.8%
Q4 24
18.5%
Q3 24
21.0%
-0.7%
Q2 24
21.9%
-0.4%
Q1 24
20.5%
-8.4%
Q3 23
17.3%
-2.1%
EPS (diluted)
ONTO
ONTO
VNET
VNET
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
Q3 23
$0.73

Balance Sheet & Financial Strength

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

Metric
ONTO
ONTO
VNET
VNET
Cash + ST InvestmentsLiquidity on hand
$603.1M
$492.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.0B
$890.8M
Total Assets
$2.2B
$6.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ONTO
ONTO
VNET
VNET
Q3 25
$603.1M
$492.1M
Q2 25
$217.5M
Q1 25
$203.7M
$544.3M
Q4 24
$212.9M
Q3 24
$188.7M
$219.5M
Q2 24
$172.6M
$247.2M
Q1 24
$190.9M
$246.9M
Q3 23
$206.6M
$370.4M
Total Debt
ONTO
ONTO
VNET
VNET
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$1.2B
Q2 24
Q1 24
Q3 23
Stockholders' Equity
ONTO
ONTO
VNET
VNET
Q3 25
$2.0B
$890.8M
Q2 25
$2.0B
Q1 25
$1.9B
$927.8M
Q4 24
$1.9B
Q3 24
$1.9B
$902.9M
Q2 24
$1.8B
$900.6M
Q1 24
$1.8B
$895.1M
Q3 23
$1.7B
$942.7M
Total Assets
ONTO
ONTO
VNET
VNET
Q3 25
$2.2B
$6.1B
Q2 25
$2.1B
Q1 25
$2.1B
$5.4B
Q4 24
$2.1B
Q3 24
$2.1B
$4.3B
Q2 24
$2.0B
$4.0B
Q1 24
$2.0B
$3.9B
Q3 23
$1.9B
$4.1B
Debt / Equity
ONTO
ONTO
VNET
VNET
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
1.28×
Q2 24
Q1 24
Q3 23

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
VNET
VNET
Operating Cash FlowLast quarter
$83.4M
$113.8M
Free Cash FlowOCF − Capex
$82.0M
$-193.1M
FCF MarginFCF / Revenue
37.6%
-53.2%
Capex IntensityCapex / Revenue
0.6%
84.6%
Cash ConversionOCF / Net Profit
2.95×
TTM Free Cash FlowTrailing 4 quarters
$261.3M
$-589.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ONTO
ONTO
VNET
VNET
Q3 25
$83.4M
$113.8M
Q2 25
$57.9M
Q1 25
$92.0M
$27.0M
Q4 24
$56.0M
Q3 24
$67.2M
$108.3M
Q2 24
$65.3M
$55.8M
Q1 24
$57.1M
$37.1M
Q3 23
$60.3M
$62.3M
Free Cash Flow
ONTO
ONTO
VNET
VNET
Q3 25
$82.0M
$-193.1M
Q2 25
$44.2M
Q1 25
$83.7M
$-220.0M
Q4 24
$51.4M
Q3 24
$59.2M
$-95.0M
Q2 24
$53.0M
$-81.6M
Q1 24
$50.2M
$-102.2M
Q3 23
$48.1M
$-67.5M
FCF Margin
ONTO
ONTO
VNET
VNET
Q3 25
37.6%
-53.2%
Q2 25
17.4%
Q1 25
31.4%
-71.1%
Q4 24
19.5%
Q3 24
23.5%
-31.4%
Q2 24
21.9%
-29.8%
Q1 24
21.9%
-38.9%
Q3 23
23.2%
-26.1%
Capex Intensity
ONTO
ONTO
VNET
VNET
Q3 25
0.6%
84.6%
Q2 25
5.4%
Q1 25
3.1%
79.8%
Q4 24
1.8%
Q3 24
3.2%
67.3%
Q2 24
5.1%
50.1%
Q1 24
3.0%
53.0%
Q3 23
5.9%
50.2%
Cash Conversion
ONTO
ONTO
VNET
VNET
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×
Q3 23
1.68×

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%

VNET
VNET

Segment breakdown not available.

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