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Side-by-side financial comparison of MASIMO CORP (MASI) and ONTO INNOVATION INC. (ONTO). Click either name above to swap in a different company.

MASIMO CORP is the larger business by last-quarter revenue ($371.5M vs $218.2M, roughly 1.7× ONTO INNOVATION INC.). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs -27.0%, a 40.0% gap on every dollar of revenue. On growth, ONTO INNOVATION INC. posted the faster year-over-year revenue change (-13.5% vs -26.4%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $50.9M). Over the past eight quarters, ONTO INNOVATION INC.'s revenue compounded faster (2.6% CAGR vs -17.7%).

Masimo Corporation is an American health technology and consumer electronics company headquartered in Irvine, California. The company develops patient monitoring devices, non-invasive sensors, and related software platforms used in hospital and home settings. Masimo has also operated in the consumer audio and wearable device markets.

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.

MASI vs ONTO — Head-to-Head

Bigger by revenue
MASI
MASI
1.7× larger
MASI
$371.5M
$218.2M
ONTO
Growing faster (revenue YoY)
ONTO
ONTO
+12.9% gap
ONTO
-13.5%
-26.4%
MASI
Higher net margin
ONTO
ONTO
40.0% more per $
ONTO
12.9%
-27.0%
MASI
More free cash flow
ONTO
ONTO
$31.1M more FCF
ONTO
$82.0M
$50.9M
MASI
Faster 2-yr revenue CAGR
ONTO
ONTO
Annualised
ONTO
2.6%
-17.7%
MASI

Income Statement — Q3 FY2025 vs Q3 FY2025

Metric
MASI
MASI
ONTO
ONTO
Revenue
$371.5M
$218.2M
Net Profit
$-100.4M
$28.2M
Gross Margin
62.1%
50.7%
Operating Margin
22.5%
10.9%
Net Margin
-27.0%
12.9%
Revenue YoY
-26.4%
-13.5%
Net Profit YoY
-1124.5%
-46.8%
EPS (diluted)
$-1.84
$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
MASI
MASI
ONTO
ONTO
Q3 25
$371.5M
$218.2M
Q2 25
$370.9M
$253.6M
Q1 25
$372.0M
$266.6M
Q4 24
$600.7M
$263.9M
Q3 24
$504.6M
$252.2M
Q2 24
$496.3M
$242.3M
Q1 24
$492.8M
$228.8M
Q4 23
$548.9M
Net Profit
MASI
MASI
ONTO
ONTO
Q3 25
$-100.4M
$28.2M
Q2 25
$51.3M
$33.9M
Q1 25
$-170.7M
$64.1M
Q4 24
$-349.6M
$48.8M
Q3 24
$9.8M
$53.1M
Q2 24
$16.0M
$52.9M
Q1 24
$18.9M
$46.9M
Q4 23
$33.9M
Gross Margin
MASI
MASI
ONTO
ONTO
Q3 25
62.1%
50.7%
Q2 25
62.9%
48.2%
Q1 25
62.9%
53.7%
Q4 24
40.7%
50.2%
Q3 24
52.2%
54.1%
Q2 24
51.3%
52.9%
Q1 24
49.0%
51.7%
Q4 23
47.9%
Operating Margin
MASI
MASI
ONTO
ONTO
Q3 25
22.5%
10.9%
Q2 25
17.4%
12.7%
Q1 25
21.0%
23.7%
Q4 24
-59.8%
16.1%
Q3 24
6.0%
21.0%
Q2 24
5.7%
20.2%
Q1 24
6.9%
18.7%
Q4 23
8.0%
Net Margin
MASI
MASI
ONTO
ONTO
Q3 25
-27.0%
12.9%
Q2 25
13.8%
13.4%
Q1 25
-45.9%
24.0%
Q4 24
-58.2%
18.5%
Q3 24
1.9%
21.0%
Q2 24
3.2%
21.9%
Q1 24
3.8%
20.5%
Q4 23
6.2%
EPS (diluted)
MASI
MASI
ONTO
ONTO
Q3 25
$-1.84
$0.57
Q2 25
$0.94
$0.69
Q1 25
$-3.12
$1.30
Q4 24
$-6.54
$0.98
Q3 24
$0.18
$1.07
Q2 24
$0.29
$1.07
Q1 24
$0.35
$0.94
Q4 23
$0.63

Balance Sheet & Financial Strength

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

Metric
MASI
MASI
ONTO
ONTO
Cash + ST InvestmentsLiquidity on hand
$312.3M
$603.1M
Total DebtLower is stronger
$559.1M
Stockholders' EquityBook value
$810.0M
$2.0B
Total Assets
$1.8B
$2.2B
Debt / EquityLower = less leverage
0.69×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MASI
MASI
ONTO
ONTO
Q3 25
$312.3M
$603.1M
Q2 25
$149.6M
$217.5M
Q1 25
$130.8M
$203.7M
Q4 24
$177.6M
$212.9M
Q3 24
$158.5M
$188.7M
Q2 24
$129.6M
$172.6M
Q1 24
$157.6M
$190.9M
Q4 23
$163.0M
Total Debt
MASI
MASI
ONTO
ONTO
Q3 25
$559.1M
Q2 25
$613.7M
Q1 25
$651.0M
Q4 24
$765.2M
Q3 24
$772.6M
Q2 24
$781.6M
Q1 24
$876.0M
Q4 23
$906.0M
Stockholders' Equity
MASI
MASI
ONTO
ONTO
Q3 25
$810.0M
$2.0B
Q2 25
$1.0B
$2.0B
Q1 25
$946.4M
$1.9B
Q4 24
$1.1B
$1.9B
Q3 24
$1.5B
$1.9B
Q2 24
$1.4B
$1.8B
Q1 24
$1.4B
$1.8B
Q4 23
$1.4B
Total Assets
MASI
MASI
ONTO
ONTO
Q3 25
$1.8B
$2.2B
Q2 25
$2.4B
$2.1B
Q1 25
$2.3B
$2.1B
Q4 24
$2.6B
$2.1B
Q3 24
$3.1B
$2.1B
Q2 24
$2.9B
$2.0B
Q1 24
$3.0B
$2.0B
Q4 23
$3.0B
Debt / Equity
MASI
MASI
ONTO
ONTO
Q3 25
0.69×
Q2 25
0.59×
Q1 25
0.69×
Q4 24
0.73×
Q3 24
0.53×
Q2 24
0.57×
Q1 24
0.64×
Q4 23
0.66×

Cash Flow & Capital Efficiency

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

Metric
MASI
MASI
ONTO
ONTO
Operating Cash FlowLast quarter
$56.8M
$83.4M
Free Cash FlowOCF − Capex
$50.9M
$82.0M
FCF MarginFCF / Revenue
13.7%
37.6%
Capex IntensityCapex / Revenue
1.6%
0.6%
Cash ConversionOCF / Net Profit
2.95×
TTM Free Cash FlowTrailing 4 quarters
$191.0M
$261.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MASI
MASI
ONTO
ONTO
Q3 25
$56.8M
$83.4M
Q2 25
$69.4M
$57.9M
Q1 25
$31.1M
$92.0M
Q4 24
$50.5M
$56.0M
Q3 24
$25.6M
$67.2M
Q2 24
$74.5M
$65.3M
Q1 24
$45.8M
$57.1M
Q4 23
$77.1M
Free Cash Flow
MASI
MASI
ONTO
ONTO
Q3 25
$50.9M
$82.0M
Q2 25
$65.6M
$44.2M
Q1 25
$28.5M
$83.7M
Q4 24
$46.0M
$51.4M
Q3 24
$16.9M
$59.2M
Q2 24
$66.9M
$53.0M
Q1 24
$37.6M
$50.2M
Q4 23
$66.2M
FCF Margin
MASI
MASI
ONTO
ONTO
Q3 25
13.7%
37.6%
Q2 25
17.7%
17.4%
Q1 25
7.7%
31.4%
Q4 24
7.7%
19.5%
Q3 24
3.3%
23.5%
Q2 24
13.5%
21.9%
Q1 24
7.6%
21.9%
Q4 23
12.1%
Capex Intensity
MASI
MASI
ONTO
ONTO
Q3 25
1.6%
0.6%
Q2 25
1.0%
5.4%
Q1 25
0.7%
3.1%
Q4 24
0.7%
1.8%
Q3 24
1.7%
3.2%
Q2 24
1.5%
5.1%
Q1 24
1.7%
3.0%
Q4 23
2.0%
Cash Conversion
MASI
MASI
ONTO
ONTO
Q3 25
2.95×
Q2 25
1.35×
1.71×
Q1 25
1.44×
Q4 24
1.15×
Q3 24
2.61×
1.27×
Q2 24
4.66×
1.23×
Q1 24
2.42×
1.22×
Q4 23
2.27×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MASI
MASI

Segment breakdown not available.

ONTO
ONTO

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

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