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Side-by-side financial comparison of ONTO INNOVATION INC. (ONTO) and U S PHYSICAL THERAPY INC (USPH). Click either name above to swap in a different company.

ONTO INNOVATION INC. is the larger business by last-quarter revenue ($218.2M vs $202.7M, roughly 1.1× U S PHYSICAL THERAPY INC). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs 2.0%, a 10.9% gap on every dollar of revenue. On growth, U S PHYSICAL THERAPY INC posted the faster year-over-year revenue change (12.3% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $21.0M). Over the past eight quarters, U S PHYSICAL THERAPY INC's revenue compounded faster (14.1% 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.

U.S. Physical Therapy Inc. operates hundreds of outpatient physical therapy clinics across the U.S. It offers rehabilitative care for patients recovering from injuries, surgeries, chronic pain and mobility impairments, plus specialized services including sports medicine and pediatric rehabilitation.

ONTO vs USPH — Head-to-Head

Bigger by revenue
ONTO
ONTO
1.1× larger
ONTO
$218.2M
$202.7M
USPH
Growing faster (revenue YoY)
USPH
USPH
+25.8% gap
USPH
12.3%
-13.5%
ONTO
Higher net margin
ONTO
ONTO
10.9% more per $
ONTO
12.9%
2.0%
USPH
More free cash flow
ONTO
ONTO
$61.0M more FCF
ONTO
$82.0M
$21.0M
USPH
Faster 2-yr revenue CAGR
USPH
USPH
Annualised
USPH
14.1%
2.6%
ONTO

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
ONTO
ONTO
USPH
USPH
Revenue
$218.2M
$202.7M
Net Profit
$28.2M
$4.2M
Gross Margin
50.7%
19.8%
Operating Margin
10.9%
8.3%
Net Margin
12.9%
2.0%
Revenue YoY
-13.5%
12.3%
Net Profit YoY
-46.8%
-55.1%
EPS (diluted)
$0.57
$-0.44

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
USPH
USPH
Q4 25
$202.7M
Q3 25
$218.2M
$197.1M
Q2 25
$253.6M
$197.3M
Q1 25
$266.6M
$183.8M
Q4 24
$263.9M
$180.4M
Q3 24
$252.2M
$168.0M
Q2 24
$242.3M
$167.2M
Q1 24
$228.8M
$155.7M
Net Profit
ONTO
ONTO
USPH
USPH
Q4 25
$4.2M
Q3 25
$28.2M
$13.1M
Q2 25
$33.9M
$12.4M
Q1 25
$64.1M
$9.9M
Q4 24
$48.8M
$9.2M
Q3 24
$53.1M
$6.6M
Q2 24
$52.9M
$7.5M
Q1 24
$46.9M
$8.0M
Gross Margin
ONTO
ONTO
USPH
USPH
Q4 25
19.8%
Q3 25
50.7%
18.7%
Q2 25
48.2%
21.1%
Q1 25
53.7%
16.9%
Q4 24
50.2%
18.0%
Q3 24
54.1%
17.3%
Q2 24
52.9%
20.3%
Q1 24
51.7%
18.2%
Operating Margin
ONTO
ONTO
USPH
USPH
Q4 25
8.3%
Q3 25
10.9%
12.8%
Q2 25
12.7%
12.6%
Q1 25
23.7%
10.7%
Q4 24
16.1%
10.9%
Q3 24
21.0%
7.6%
Q2 24
20.2%
9.3%
Q1 24
18.7%
9.6%
Net Margin
ONTO
ONTO
USPH
USPH
Q4 25
2.0%
Q3 25
12.9%
6.7%
Q2 25
13.4%
6.3%
Q1 25
24.0%
5.4%
Q4 24
18.5%
5.1%
Q3 24
21.0%
3.9%
Q2 24
21.9%
4.5%
Q1 24
20.5%
5.2%
EPS (diluted)
ONTO
ONTO
USPH
USPH
Q4 25
$-0.44
Q3 25
$0.57
$0.48
Q2 25
$0.69
$0.58
Q1 25
$1.30
$0.80
Q4 24
$0.98
$0.52
Q3 24
$1.07
$0.39
Q2 24
$1.07
$0.47
Q1 24
$0.94
$0.46

Balance Sheet & Financial Strength

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

Metric
ONTO
ONTO
USPH
USPH
Cash + ST InvestmentsLiquidity on hand
$603.1M
$35.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.0B
$476.4M
Total Assets
$2.2B
$1.2B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ONTO
ONTO
USPH
USPH
Q4 25
$35.6M
Q3 25
$603.1M
$31.1M
Q2 25
$217.5M
$34.1M
Q1 25
$203.7M
$39.2M
Q4 24
$212.9M
$41.4M
Q3 24
$188.7M
$117.0M
Q2 24
$172.6M
$112.9M
Q1 24
$190.9M
$132.3M
Stockholders' Equity
ONTO
ONTO
USPH
USPH
Q4 25
$476.4M
Q3 25
$2.0B
$503.6M
Q2 25
$2.0B
$500.8M
Q1 25
$1.9B
$497.3M
Q4 24
$1.9B
$488.9M
Q3 24
$1.9B
$482.8M
Q2 24
$1.8B
$484.6M
Q1 24
$1.8B
$479.8M
Total Assets
ONTO
ONTO
USPH
USPH
Q4 25
$1.2B
Q3 25
$2.2B
$1.2B
Q2 25
$2.1B
$1.2B
Q1 25
$2.1B
$1.2B
Q4 24
$2.1B
$1.2B
Q3 24
$2.1B
$1.0B
Q2 24
$2.0B
$1.0B
Q1 24
$2.0B
$1.0B

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
USPH
USPH
Operating Cash FlowLast quarter
$83.4M
$24.9M
Free Cash FlowOCF − Capex
$82.0M
$21.0M
FCF MarginFCF / Revenue
37.6%
10.4%
Capex IntensityCapex / Revenue
0.6%
1.9%
Cash ConversionOCF / Net Profit
2.95×
6.00×
TTM Free Cash FlowTrailing 4 quarters
$261.3M
$61.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ONTO
ONTO
USPH
USPH
Q4 25
$24.9M
Q3 25
$83.4M
$19.9M
Q2 25
$57.9M
$34.9M
Q1 25
$92.0M
$-4.7M
Q4 24
$56.0M
$19.4M
Q3 24
$67.2M
$22.1M
Q2 24
$65.3M
$29.0M
Q1 24
$57.1M
$4.4M
Free Cash Flow
ONTO
ONTO
USPH
USPH
Q4 25
$21.0M
Q3 25
$82.0M
$15.6M
Q2 25
$44.2M
$31.6M
Q1 25
$83.7M
$-7.3M
Q4 24
$51.4M
$16.9M
Q3 24
$59.2M
$19.6M
Q2 24
$53.0M
$26.7M
Q1 24
$50.2M
$2.6M
FCF Margin
ONTO
ONTO
USPH
USPH
Q4 25
10.4%
Q3 25
37.6%
7.9%
Q2 25
17.4%
16.0%
Q1 25
31.4%
-3.9%
Q4 24
19.5%
9.4%
Q3 24
23.5%
11.7%
Q2 24
21.9%
15.9%
Q1 24
21.9%
1.7%
Capex Intensity
ONTO
ONTO
USPH
USPH
Q4 25
1.9%
Q3 25
0.6%
2.2%
Q2 25
5.4%
1.6%
Q1 25
3.1%
1.4%
Q4 24
1.8%
1.4%
Q3 24
3.2%
1.5%
Q2 24
5.1%
1.4%
Q1 24
3.0%
1.2%
Cash Conversion
ONTO
ONTO
USPH
USPH
Q4 25
6.00×
Q3 25
2.95×
1.52×
Q2 25
1.71×
2.81×
Q1 25
1.44×
-0.47×
Q4 24
1.15×
2.10×
Q3 24
1.27×
3.34×
Q2 24
1.23×
3.86×
Q1 24
1.22×
0.55×

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%

USPH
USPH

Net Patient Revenues$169.7M84%
Industrial Injury Prevention Services Revenues$28.9M14%
Management Contract Revenues$2.3M1%

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