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

POWELL INDUSTRIES INC is the larger business by last-quarter revenue ($251.2M vs $218.2M, roughly 1.2× ONTO INNOVATION INC.). POWELL INDUSTRIES INC runs the higher net margin — 16.5% vs 12.9%, a 3.5% gap on every dollar of revenue. On growth, POWELL INDUSTRIES INC posted the faster year-over-year revenue change (4.0% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $41.6M). Over the past eight quarters, ONTO INNOVATION INC.'s revenue compounded faster (2.6% CAGR vs -0.8%).

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.

Powell Industries, Inc. is a manufacturer of Integrated/Packaged Solutions and Electrical Equipment to monitor and control the distribution of electrical power in commercial and industrial markets founded in 1947. Its headquarters is in Houston, Texas.

ONTO vs POWL — Head-to-Head

Bigger by revenue
POWL
POWL
1.2× larger
POWL
$251.2M
$218.2M
ONTO
Growing faster (revenue YoY)
POWL
POWL
+17.5% gap
POWL
4.0%
-13.5%
ONTO
Higher net margin
POWL
POWL
3.5% more per $
POWL
16.5%
12.9%
ONTO
More free cash flow
ONTO
ONTO
$40.4M more FCF
ONTO
$82.0M
$41.6M
POWL
Faster 2-yr revenue CAGR
ONTO
ONTO
Annualised
ONTO
2.6%
-0.8%
POWL

Income Statement — Q3 FY2025 vs Q1 FY2026

Metric
ONTO
ONTO
POWL
POWL
Revenue
$218.2M
$251.2M
Net Profit
$28.2M
$41.4M
Gross Margin
50.7%
28.4%
Operating Margin
10.9%
17.0%
Net Margin
12.9%
16.5%
Revenue YoY
-13.5%
4.0%
Net Profit YoY
-46.8%
19.1%
EPS (diluted)
$0.57
$3.40

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
POWL
POWL
Q4 25
$251.2M
Q3 25
$218.2M
$298.0M
Q2 25
$253.6M
$286.3M
Q1 25
$266.6M
$278.6M
Q4 24
$263.9M
$241.4M
Q3 24
$252.2M
$275.1M
Q2 24
$242.3M
$288.2M
Q1 24
$228.8M
$255.1M
Net Profit
ONTO
ONTO
POWL
POWL
Q4 25
$41.4M
Q3 25
$28.2M
$51.4M
Q2 25
$33.9M
$48.2M
Q1 25
$64.1M
$46.3M
Q4 24
$48.8M
$34.8M
Q3 24
$53.1M
$46.1M
Q2 24
$52.9M
$46.2M
Q1 24
$46.9M
$33.5M
Gross Margin
ONTO
ONTO
POWL
POWL
Q4 25
28.4%
Q3 25
50.7%
31.4%
Q2 25
48.2%
30.7%
Q1 25
53.7%
29.9%
Q4 24
50.2%
24.7%
Q3 24
54.1%
29.2%
Q2 24
52.9%
28.4%
Q1 24
51.7%
24.6%
Operating Margin
ONTO
ONTO
POWL
POWL
Q4 25
17.0%
Q3 25
10.9%
21.2%
Q2 25
12.7%
21.0%
Q1 25
23.7%
21.1%
Q4 24
16.1%
14.7%
Q3 24
21.0%
20.4%
Q2 24
20.2%
19.9%
Q1 24
18.7%
15.5%
Net Margin
ONTO
ONTO
POWL
POWL
Q4 25
16.5%
Q3 25
12.9%
17.3%
Q2 25
13.4%
16.8%
Q1 25
24.0%
16.6%
Q4 24
18.5%
14.4%
Q3 24
21.0%
16.7%
Q2 24
21.9%
16.0%
Q1 24
20.5%
13.1%
EPS (diluted)
ONTO
ONTO
POWL
POWL
Q4 25
$3.40
Q3 25
$0.57
$4.23
Q2 25
$0.69
$3.96
Q1 25
$1.30
$3.81
Q4 24
$0.98
$2.86
Q3 24
$1.07
$3.77
Q2 24
$1.07
$3.79
Q1 24
$0.94
$2.75

Balance Sheet & Financial Strength

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

Metric
ONTO
ONTO
POWL
POWL
Cash + ST InvestmentsLiquidity on hand
$603.1M
$500.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.0B
$668.9M
Total Assets
$2.2B
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ONTO
ONTO
POWL
POWL
Q4 25
$500.8M
Q3 25
$603.1M
$475.5M
Q2 25
$217.5M
$433.0M
Q1 25
$203.7M
$389.3M
Q4 24
$212.9M
$373.4M
Q3 24
$188.7M
$358.4M
Q2 24
$172.6M
$374.0M
Q1 24
$190.9M
$365.3M
Stockholders' Equity
ONTO
ONTO
POWL
POWL
Q4 25
$668.9M
Q3 25
$2.0B
$640.8M
Q2 25
$2.0B
$594.9M
Q1 25
$1.9B
$541.4M
Q4 24
$1.9B
$496.3M
Q3 24
$1.9B
$483.1M
Q2 24
$1.8B
$436.7M
Q1 24
$1.8B
$393.8M
Total Assets
ONTO
ONTO
POWL
POWL
Q4 25
$1.1B
Q3 25
$2.2B
$1.1B
Q2 25
$2.1B
$1.0B
Q1 25
$2.1B
$965.4M
Q4 24
$2.1B
$912.7M
Q3 24
$2.1B
$928.2M
Q2 24
$2.0B
$869.0M
Q1 24
$2.0B
$849.6M

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
POWL
POWL
Operating Cash FlowLast quarter
$83.4M
$43.6M
Free Cash FlowOCF − Capex
$82.0M
$41.6M
FCF MarginFCF / Revenue
37.6%
16.6%
Capex IntensityCapex / Revenue
0.6%
0.8%
Cash ConversionOCF / Net Profit
2.95×
1.05×
TTM Free Cash FlowTrailing 4 quarters
$261.3M
$161.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ONTO
ONTO
POWL
POWL
Q4 25
$43.6M
Q3 25
$83.4M
$61.1M
Q2 25
$57.9M
$47.4M
Q1 25
$92.0M
$22.4M
Q4 24
$56.0M
$37.1M
Q3 24
$67.2M
$-6.0M
Q2 24
$65.3M
$13.8M
Q1 24
$57.1M
$17.0M
Free Cash Flow
ONTO
ONTO
POWL
POWL
Q4 25
$41.6M
Q3 25
$82.0M
$59.3M
Q2 25
$44.2M
$42.3M
Q1 25
$83.7M
$18.3M
Q4 24
$51.4M
$34.9M
Q3 24
$59.2M
$-14.4M
Q2 24
$53.0M
$12.4M
Q1 24
$50.2M
$16.1M
FCF Margin
ONTO
ONTO
POWL
POWL
Q4 25
16.6%
Q3 25
37.6%
19.9%
Q2 25
17.4%
14.8%
Q1 25
31.4%
6.6%
Q4 24
19.5%
14.4%
Q3 24
23.5%
-5.3%
Q2 24
21.9%
4.3%
Q1 24
21.9%
6.3%
Capex Intensity
ONTO
ONTO
POWL
POWL
Q4 25
0.8%
Q3 25
0.6%
0.6%
Q2 25
5.4%
1.8%
Q1 25
3.1%
1.5%
Q4 24
1.8%
0.9%
Q3 24
3.2%
3.1%
Q2 24
5.1%
0.5%
Q1 24
3.0%
0.4%
Cash Conversion
ONTO
ONTO
POWL
POWL
Q4 25
1.05×
Q3 25
2.95×
1.19×
Q2 25
1.71×
0.98×
Q1 25
1.44×
0.48×
Q4 24
1.15×
1.07×
Q3 24
1.27×
-0.13×
Q2 24
1.23×
0.30×
Q1 24
1.22×
0.51×

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%

POWL
POWL

Oil And Gas Service$97.9M39%
Electricity$69.3M28%
Commercial And Other Industrial$40.6M16%
Petrochemical$22.8M9%
Other Customers$12.0M5%
Light Rail Traction Power Customer$8.6M3%

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