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

ONTO INNOVATION INC. is the larger business by last-quarter revenue ($218.2M vs $197.9M, roughly 1.1× REPLIGEN CORP). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs 6.7%, a 6.2% gap on every dollar of revenue. On growth, REPLIGEN CORP posted the faster year-over-year revenue change (13.6% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $17.6M). Over the past eight quarters, REPLIGEN CORP's revenue compounded faster (14.4% 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.

Repligen Corporation is a global life sciences company devoted to the development and commercialization of innovative bioprocessing technologies and systems that enable efficiencies in the process of manufacturing biological drugs.2025 The company is based in Waltham, Massachusetts,2014 and was incorporated in Delaware in 1981. A public company, Repligen is listed on the NASDAQ exchange under the symbol RGEN. As of 2025, Repligen employs over 1,900 employees globally and serves primarily biop...

ONTO vs RGEN — Head-to-Head

Bigger by revenue
ONTO
ONTO
1.1× larger
ONTO
$218.2M
$197.9M
RGEN
Growing faster (revenue YoY)
RGEN
RGEN
+27.1% gap
RGEN
13.6%
-13.5%
ONTO
Higher net margin
ONTO
ONTO
6.2% more per $
ONTO
12.9%
6.7%
RGEN
More free cash flow
ONTO
ONTO
$64.5M more FCF
ONTO
$82.0M
$17.6M
RGEN
Faster 2-yr revenue CAGR
RGEN
RGEN
Annualised
RGEN
14.4%
2.6%
ONTO

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
ONTO
ONTO
RGEN
RGEN
Revenue
$218.2M
$197.9M
Net Profit
$28.2M
$13.3M
Gross Margin
50.7%
52.5%
Operating Margin
10.9%
9.0%
Net Margin
12.9%
6.7%
Revenue YoY
-13.5%
13.6%
Net Profit YoY
-46.8%
143.9%
EPS (diluted)
$0.57
$0.24

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
RGEN
RGEN
Q4 25
$197.9M
Q3 25
$218.2M
$188.8M
Q2 25
$253.6M
$182.4M
Q1 25
$266.6M
$169.2M
Q4 24
$263.9M
$174.1M
Q3 24
$252.2M
$154.9M
Q2 24
$242.3M
$154.1M
Q1 24
$228.8M
$151.3M
Net Profit
ONTO
ONTO
RGEN
RGEN
Q4 25
$13.3M
Q3 25
$28.2M
$14.9M
Q2 25
$33.9M
$14.9M
Q1 25
$64.1M
$5.8M
Q4 24
$48.8M
$-30.3M
Q3 24
$53.1M
$-654.0K
Q2 24
$52.9M
$3.3M
Q1 24
$46.9M
$2.1M
Gross Margin
ONTO
ONTO
RGEN
RGEN
Q4 25
52.5%
Q3 25
50.7%
53.2%
Q2 25
48.2%
50.0%
Q1 25
53.7%
53.6%
Q4 24
50.2%
26.1%
Q3 24
54.1%
50.0%
Q2 24
52.9%
49.8%
Q1 24
51.7%
49.5%
Operating Margin
ONTO
ONTO
RGEN
RGEN
Q4 25
9.0%
Q3 25
10.9%
8.9%
Q2 25
12.7%
7.6%
Q1 25
23.7%
3.9%
Q4 24
16.1%
-17.7%
Q3 24
21.0%
-5.1%
Q2 24
20.2%
1.0%
Q1 24
18.7%
1.3%
Net Margin
ONTO
ONTO
RGEN
RGEN
Q4 25
6.7%
Q3 25
12.9%
7.9%
Q2 25
13.4%
8.2%
Q1 25
24.0%
3.4%
Q4 24
18.5%
-17.4%
Q3 24
21.0%
-0.4%
Q2 24
21.9%
2.2%
Q1 24
20.5%
1.4%
EPS (diluted)
ONTO
ONTO
RGEN
RGEN
Q4 25
$0.24
Q3 25
$0.57
$0.26
Q2 25
$0.69
$0.26
Q1 25
$1.30
$0.10
Q4 24
$0.98
$-0.55
Q3 24
$1.07
$-0.01
Q2 24
$1.07
$0.06
Q1 24
$0.94
$0.04

Balance Sheet & Financial Strength

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

Metric
ONTO
ONTO
RGEN
RGEN
Cash + ST InvestmentsLiquidity on hand
$603.1M
$767.6M
Total DebtLower is stronger
$542.2M
Stockholders' EquityBook value
$2.0B
$2.1B
Total Assets
$2.2B
$2.9B
Debt / EquityLower = less leverage
0.26×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ONTO
ONTO
RGEN
RGEN
Q4 25
$767.6M
Q3 25
$603.1M
$748.7M
Q2 25
$217.5M
$708.9M
Q1 25
$203.7M
$697.2M
Q4 24
$212.9M
$757.4M
Q3 24
$188.7M
$784.0M
Q2 24
$172.6M
$809.1M
Q1 24
$190.9M
$780.6M
Total Debt
ONTO
ONTO
RGEN
RGEN
Q4 25
$542.2M
Q3 25
$537.9M
Q2 25
Q1 25
Q4 24
$525.6M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ONTO
ONTO
RGEN
RGEN
Q4 25
$2.1B
Q3 25
$2.0B
$2.1B
Q2 25
$2.0B
$2.1B
Q1 25
$1.9B
$2.0B
Q4 24
$1.9B
$2.0B
Q3 24
$1.9B
$2.0B
Q2 24
$1.8B
$2.0B
Q1 24
$1.8B
$2.0B
Total Assets
ONTO
ONTO
RGEN
RGEN
Q4 25
$2.9B
Q3 25
$2.2B
$2.9B
Q2 25
$2.1B
$2.9B
Q1 25
$2.1B
$2.9B
Q4 24
$2.1B
$2.8B
Q3 24
$2.1B
$2.8B
Q2 24
$2.0B
$2.9B
Q1 24
$2.0B
$2.8B
Debt / Equity
ONTO
ONTO
RGEN
RGEN
Q4 25
0.26×
Q3 25
0.26×
Q2 25
Q1 25
Q4 24
0.27×
Q3 24
Q2 24
Q1 24

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
RGEN
RGEN
Operating Cash FlowLast quarter
$83.4M
$25.7M
Free Cash FlowOCF − Capex
$82.0M
$17.6M
FCF MarginFCF / Revenue
37.6%
8.9%
Capex IntensityCapex / Revenue
0.6%
4.1%
Cash ConversionOCF / Net Profit
2.95×
1.93×
TTM Free Cash FlowTrailing 4 quarters
$261.3M
$93.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ONTO
ONTO
RGEN
RGEN
Q4 25
$25.7M
Q3 25
$83.4M
$48.1M
Q2 25
$57.9M
$28.6M
Q1 25
$92.0M
$15.0M
Q4 24
$56.0M
$39.2M
Q3 24
$67.2M
$49.3M
Q2 24
$65.3M
$42.2M
Q1 24
$57.1M
$44.7M
Free Cash Flow
ONTO
ONTO
RGEN
RGEN
Q4 25
$17.6M
Q3 25
$82.0M
$43.4M
Q2 25
$44.2M
$21.5M
Q1 25
$83.7M
$11.4M
Q4 24
$51.4M
$33.6M
Q3 24
$59.2M
$42.3M
Q2 24
$53.0M
$37.4M
Q1 24
$50.2M
$36.4M
FCF Margin
ONTO
ONTO
RGEN
RGEN
Q4 25
8.9%
Q3 25
37.6%
23.0%
Q2 25
17.4%
11.8%
Q1 25
31.4%
6.8%
Q4 24
19.5%
19.3%
Q3 24
23.5%
27.3%
Q2 24
21.9%
24.3%
Q1 24
21.9%
24.0%
Capex Intensity
ONTO
ONTO
RGEN
RGEN
Q4 25
4.1%
Q3 25
0.6%
2.5%
Q2 25
5.4%
3.9%
Q1 25
3.1%
2.1%
Q4 24
1.8%
3.2%
Q3 24
3.2%
4.5%
Q2 24
5.1%
3.1%
Q1 24
3.0%
5.5%
Cash Conversion
ONTO
ONTO
RGEN
RGEN
Q4 25
1.93×
Q3 25
2.95×
3.23×
Q2 25
1.71×
1.92×
Q1 25
1.44×
2.57×
Q4 24
1.15×
Q3 24
1.27×
Q2 24
1.23×
12.70×
Q1 24
1.22×
21.35×

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%

RGEN
RGEN

Segment breakdown not available.

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