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

SentinelOne, Inc. is the larger business by last-quarter revenue ($258.9M vs $218.2M, roughly 1.2× ONTO INNOVATION INC.). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs -23.3%, a 36.2% gap on every dollar of revenue. On growth, SentinelOne, Inc. posted the faster year-over-year revenue change (22.9% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $20.9M).

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.

SentinelOne, Inc. is an American cybersecurity company listed on NYSE based in Mountain View, California. The company was founded in 2013 by Tomer Weingarten, Almog Cohen and Ehud ("Udi") Shamir. Weingarten acts as the company's CEO. The company has approximately 2,800 employees and offices in Mountain View, Boston, Prague, Tokyo, and Tel Aviv. The company uses machine learning for monitoring personal computers, IoT devices, and cloud workloads. The company's platform utilizes a heuristic mod...

ONTO vs S — Head-to-Head

Bigger by revenue
S
S
1.2× larger
S
$258.9M
$218.2M
ONTO
Growing faster (revenue YoY)
S
S
+36.4% gap
S
22.9%
-13.5%
ONTO
Higher net margin
ONTO
ONTO
36.2% more per $
ONTO
12.9%
-23.3%
S
More free cash flow
ONTO
ONTO
$61.1M more FCF
ONTO
$82.0M
$20.9M
S

Income Statement — Q3 FY2025 vs Q3 FY2026

Metric
ONTO
ONTO
S
S
Revenue
$218.2M
$258.9M
Net Profit
$28.2M
$-60.3M
Gross Margin
50.7%
73.8%
Operating Margin
10.9%
-28.3%
Net Margin
12.9%
-23.3%
Revenue YoY
-13.5%
22.9%
Net Profit YoY
-46.8%
23.1%
EPS (diluted)
$0.57
$-0.18

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
S
S
Q4 25
$258.9M
Q3 25
$218.2M
$242.2M
Q2 25
$253.6M
$229.0M
Q1 25
$266.6M
Q4 24
$263.9M
Q3 24
$252.2M
Q2 24
$242.3M
Q1 24
$228.8M
Net Profit
ONTO
ONTO
S
S
Q4 25
$-60.3M
Q3 25
$28.2M
$-72.0M
Q2 25
$33.9M
$-208.2M
Q1 25
$64.1M
Q4 24
$48.8M
Q3 24
$53.1M
Q2 24
$52.9M
Q1 24
$46.9M
Gross Margin
ONTO
ONTO
S
S
Q4 25
73.8%
Q3 25
50.7%
75.0%
Q2 25
48.2%
75.3%
Q1 25
53.7%
Q4 24
50.2%
Q3 24
54.1%
Q2 24
52.9%
Q1 24
51.7%
Operating Margin
ONTO
ONTO
S
S
Q4 25
-28.3%
Q3 25
10.9%
-33.3%
Q2 25
12.7%
-38.2%
Q1 25
23.7%
Q4 24
16.1%
Q3 24
21.0%
Q2 24
20.2%
Q1 24
18.7%
Net Margin
ONTO
ONTO
S
S
Q4 25
-23.3%
Q3 25
12.9%
-29.7%
Q2 25
13.4%
-90.9%
Q1 25
24.0%
Q4 24
18.5%
Q3 24
21.0%
Q2 24
21.9%
Q1 24
20.5%
EPS (diluted)
ONTO
ONTO
S
S
Q4 25
$-0.18
Q3 25
$0.57
$-0.22
Q2 25
$0.69
$-0.63
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
S
S
Cash + ST InvestmentsLiquidity on hand
$603.1M
$649.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.0B
$1.5B
Total Assets
$2.2B
$2.4B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ONTO
ONTO
S
S
Q4 25
$649.8M
Q3 25
$603.1M
$810.8M
Q2 25
$217.5M
$766.9M
Q1 25
$203.7M
Q4 24
$212.9M
Q3 24
$188.7M
Q2 24
$172.6M
Q1 24
$190.9M
Stockholders' Equity
ONTO
ONTO
S
S
Q4 25
$1.5B
Q3 25
$2.0B
$1.5B
Q2 25
$2.0B
$1.5B
Q1 25
$1.9B
Q4 24
$1.9B
Q3 24
$1.9B
Q2 24
$1.8B
Q1 24
$1.8B
Total Assets
ONTO
ONTO
S
S
Q4 25
$2.4B
Q3 25
$2.2B
$2.4B
Q2 25
$2.1B
$2.4B
Q1 25
$2.1B
Q4 24
$2.1B
Q3 24
$2.1B
Q2 24
$2.0B
Q1 24
$2.0B

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
S
S
Operating Cash FlowLast quarter
$83.4M
$21.0M
Free Cash FlowOCF − Capex
$82.0M
$20.9M
FCF MarginFCF / Revenue
37.6%
8.1%
Capex IntensityCapex / Revenue
0.6%
0.0%
Cash ConversionOCF / Net Profit
2.95×
TTM Free Cash FlowTrailing 4 quarters
$261.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ONTO
ONTO
S
S
Q4 25
$21.0M
Q3 25
$83.4M
$-1.0M
Q2 25
$57.9M
$52.3M
Q1 25
$92.0M
Q4 24
$56.0M
Q3 24
$67.2M
Q2 24
$65.3M
Q1 24
$57.1M
Free Cash Flow
ONTO
ONTO
S
S
Q4 25
$20.9M
Q3 25
$82.0M
$-1.3M
Q2 25
$44.2M
$52.1M
Q1 25
$83.7M
Q4 24
$51.4M
Q3 24
$59.2M
Q2 24
$53.0M
Q1 24
$50.2M
FCF Margin
ONTO
ONTO
S
S
Q4 25
8.1%
Q3 25
37.6%
-0.5%
Q2 25
17.4%
22.8%
Q1 25
31.4%
Q4 24
19.5%
Q3 24
23.5%
Q2 24
21.9%
Q1 24
21.9%
Capex Intensity
ONTO
ONTO
S
S
Q4 25
0.0%
Q3 25
0.6%
0.1%
Q2 25
5.4%
0.1%
Q1 25
3.1%
Q4 24
1.8%
Q3 24
3.2%
Q2 24
5.1%
Q1 24
3.0%
Cash Conversion
ONTO
ONTO
S
S
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

ONTO
ONTO

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

S
S

US$154.8M60%
Non Us$104.1M40%

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