vs

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

ONTO INNOVATION INC. is the larger business by last-quarter revenue ($218.2M vs $215.8M, roughly 1.0× DUCOMMUN INC). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs 3.4%, a 9.5% gap on every dollar of revenue. On growth, DUCOMMUN INC posted the faster year-over-year revenue change (9.4% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $-78.8M). Over the past eight quarters, DUCOMMUN INC's revenue compounded faster (6.3% CAGR vs 2.6%).

Ducommun Inc. is a global aerospace and defense manufacturing enterprise that provides complex structural components, electronic systems and professional engineering services. It mainly serves clients across the commercial aviation, military defense and space sectors, delivering high-reliability solutions for critical aerospace application scenarios.

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.

DCO vs ONTO — Head-to-Head

Bigger by revenue
ONTO
ONTO
1.0× larger
ONTO
$218.2M
$215.8M
DCO
Growing faster (revenue YoY)
DCO
DCO
+22.9% gap
DCO
9.4%
-13.5%
ONTO
Higher net margin
ONTO
ONTO
9.5% more per $
ONTO
12.9%
3.4%
DCO
More free cash flow
ONTO
ONTO
$160.8M more FCF
ONTO
$82.0M
$-78.8M
DCO
Faster 2-yr revenue CAGR
DCO
DCO
Annualised
DCO
6.3%
2.6%
ONTO

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
DCO
DCO
ONTO
ONTO
Revenue
$215.8M
$218.2M
Net Profit
$7.4M
$28.2M
Gross Margin
27.7%
50.7%
Operating Margin
6.5%
10.9%
Net Margin
3.4%
12.9%
Revenue YoY
9.4%
-13.5%
Net Profit YoY
9.9%
-46.8%
EPS (diluted)
$0.52
$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
DCO
DCO
ONTO
ONTO
Q4 25
$215.8M
Q3 25
$212.6M
$218.2M
Q2 25
$202.3M
$253.6M
Q1 25
$194.1M
$266.6M
Q4 24
$197.3M
$263.9M
Q3 24
$201.4M
$252.2M
Q2 24
$197.0M
$242.3M
Q1 24
$190.8M
$228.8M
Net Profit
DCO
DCO
ONTO
ONTO
Q4 25
$7.4M
Q3 25
$-64.4M
$28.2M
Q2 25
$12.6M
$33.9M
Q1 25
$10.5M
$64.1M
Q4 24
$6.8M
$48.8M
Q3 24
$10.1M
$53.1M
Q2 24
$7.7M
$52.9M
Q1 24
$6.8M
$46.9M
Gross Margin
DCO
DCO
ONTO
ONTO
Q4 25
27.7%
Q3 25
26.6%
50.7%
Q2 25
26.6%
48.2%
Q1 25
26.6%
53.7%
Q4 24
23.5%
50.2%
Q3 24
26.2%
54.1%
Q2 24
26.0%
52.9%
Q1 24
24.6%
51.7%
Operating Margin
DCO
DCO
ONTO
ONTO
Q4 25
6.5%
Q3 25
-37.7%
10.9%
Q2 25
8.5%
12.7%
Q1 25
8.5%
23.7%
Q4 24
5.3%
16.1%
Q3 24
7.6%
21.0%
Q2 24
7.1%
20.2%
Q1 24
6.6%
18.7%
Net Margin
DCO
DCO
ONTO
ONTO
Q4 25
3.4%
Q3 25
-30.3%
12.9%
Q2 25
6.2%
13.4%
Q1 25
5.4%
24.0%
Q4 24
3.4%
18.5%
Q3 24
5.0%
21.0%
Q2 24
3.9%
21.9%
Q1 24
3.6%
20.5%
EPS (diluted)
DCO
DCO
ONTO
ONTO
Q4 25
$0.52
Q3 25
$-4.30
$0.57
Q2 25
$0.82
$0.69
Q1 25
$0.69
$1.30
Q4 24
$0.45
$0.98
Q3 24
$0.67
$1.07
Q2 24
$0.52
$1.07
Q1 24
$0.46
$0.94

Balance Sheet & Financial Strength

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

Metric
DCO
DCO
ONTO
ONTO
Cash + ST InvestmentsLiquidity on hand
$45.3M
$603.1M
Total DebtLower is stronger
$298.8M
Stockholders' EquityBook value
$662.1M
$2.0B
Total Assets
$1.2B
$2.2B
Debt / EquityLower = less leverage
0.45×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DCO
DCO
ONTO
ONTO
Q4 25
$45.3M
Q3 25
$50.9M
$603.1M
Q2 25
$37.1M
$217.5M
Q1 25
$30.7M
$203.7M
Q4 24
$37.1M
$212.9M
Q3 24
$37.3M
$188.7M
Q2 24
$29.4M
$172.6M
Q1 24
$32.1M
$190.9M
Total Debt
DCO
DCO
ONTO
ONTO
Q4 25
$298.8M
Q3 25
$215.0M
Q2 25
$218.1M
Q1 25
$229.9M
Q4 24
$229.8M
Q3 24
$246.0M
Q2 24
$250.9M
Q1 24
$253.9M
Stockholders' Equity
DCO
DCO
ONTO
ONTO
Q4 25
$662.1M
Q3 25
$649.0M
$2.0B
Q2 25
$707.8M
$2.0B
Q1 25
$693.0M
$1.9B
Q4 24
$682.5M
$1.9B
Q3 24
$665.6M
$1.9B
Q2 24
$655.9M
$1.8B
Q1 24
$645.5M
$1.8B
Total Assets
DCO
DCO
ONTO
ONTO
Q4 25
$1.2B
Q3 25
$1.2B
$2.2B
Q2 25
$1.1B
$2.1B
Q1 25
$1.1B
$2.1B
Q4 24
$1.1B
$2.1B
Q3 24
$1.1B
$2.1B
Q2 24
$1.1B
$2.0B
Q1 24
$1.1B
$2.0B
Debt / Equity
DCO
DCO
ONTO
ONTO
Q4 25
0.45×
Q3 25
0.33×
Q2 25
0.31×
Q1 25
0.33×
Q4 24
0.34×
Q3 24
0.37×
Q2 24
0.38×
Q1 24
0.39×

Cash Flow & Capital Efficiency

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

Metric
DCO
DCO
ONTO
ONTO
Operating Cash FlowLast quarter
$-74.7M
$83.4M
Free Cash FlowOCF − Capex
$-78.8M
$82.0M
FCF MarginFCF / Revenue
-36.5%
37.6%
Capex IntensityCapex / Revenue
1.9%
0.6%
Cash ConversionOCF / Net Profit
-10.03×
2.95×
TTM Free Cash FlowTrailing 4 quarters
$-48.6M
$261.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DCO
DCO
ONTO
ONTO
Q4 25
$-74.7M
Q3 25
$18.1M
$83.4M
Q2 25
$22.4M
$57.9M
Q1 25
$771.0K
$92.0M
Q4 24
$18.4M
$56.0M
Q3 24
$13.9M
$67.2M
Q2 24
$3.5M
$65.3M
Q1 24
$-1.6M
$57.1M
Free Cash Flow
DCO
DCO
ONTO
ONTO
Q4 25
$-78.8M
Q3 25
$16.0M
$82.0M
Q2 25
$18.1M
$44.2M
Q1 25
$-4.0M
$83.7M
Q4 24
$14.6M
$51.4M
Q3 24
$12.0M
$59.2M
Q2 24
$144.0K
$53.0M
Q1 24
$-6.6M
$50.2M
FCF Margin
DCO
DCO
ONTO
ONTO
Q4 25
-36.5%
Q3 25
7.5%
37.6%
Q2 25
9.0%
17.4%
Q1 25
-2.1%
31.4%
Q4 24
7.4%
19.5%
Q3 24
5.9%
23.5%
Q2 24
0.1%
21.9%
Q1 24
-3.5%
21.9%
Capex Intensity
DCO
DCO
ONTO
ONTO
Q4 25
1.9%
Q3 25
1.0%
0.6%
Q2 25
2.1%
5.4%
Q1 25
2.5%
3.1%
Q4 24
2.0%
1.8%
Q3 24
1.0%
3.2%
Q2 24
1.7%
5.1%
Q1 24
2.6%
3.0%
Cash Conversion
DCO
DCO
ONTO
ONTO
Q4 25
-10.03×
Q3 25
2.95×
Q2 25
1.79×
1.71×
Q1 25
0.07×
1.44×
Q4 24
2.72×
1.15×
Q3 24
1.37×
1.27×
Q2 24
0.45×
1.23×
Q1 24
-0.24×
1.22×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DCO
DCO

Other$90.1M42%
Militaryand Space$60.0M28%
Electronic Systems Segment$31.3M15%
Commercial Aerospace$24.8M11%
Estimate At Completion Adjustment$6.6M3%
Industrial$3.0M1%

ONTO
ONTO

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

Related Comparisons