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

MERCURY SYSTEMS INC is the larger business by last-quarter revenue ($235.8M vs $218.2M, roughly 1.1× ONTO INNOVATION INC.). ONTO INNOVATION INC. runs the higher net margin — 12.9% vs -1.2%, a 14.1% gap on every dollar of revenue. On growth, MERCURY SYSTEMS INC posted the faster year-over-year revenue change (11.5% vs -13.5%). ONTO INNOVATION INC. produced more free cash flow last quarter ($82.0M vs $-1.8M). Over the past eight quarters, ONTO INNOVATION INC.'s revenue compounded faster (2.6% CAGR vs -2.6%).

Mercury Systems, Inc. is a technology company serving the aerospace and defense industry. It designs, develops and manufactures open architecture computer hardware and software products, including secure embedded processing modules and subsystems, avionics mission computers and displays, rugged secure computer servers, and trusted microelectronics components, modules and subsystems.

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.

MRCY vs ONTO — Head-to-Head

Bigger by revenue
MRCY
MRCY
1.1× larger
MRCY
$235.8M
$218.2M
ONTO
Growing faster (revenue YoY)
MRCY
MRCY
+25.0% gap
MRCY
11.5%
-13.5%
ONTO
Higher net margin
ONTO
ONTO
14.1% more per $
ONTO
12.9%
-1.2%
MRCY
More free cash flow
ONTO
ONTO
$83.8M more FCF
ONTO
$82.0M
$-1.8M
MRCY
Faster 2-yr revenue CAGR
ONTO
ONTO
Annualised
ONTO
2.6%
-2.6%
MRCY

Income Statement — Q3 FY2026 vs Q3 FY2025

Metric
MRCY
MRCY
ONTO
ONTO
Revenue
$235.8M
$218.2M
Net Profit
$-2.9M
$28.2M
Gross Margin
99.6%
50.7%
Operating Margin
72.9%
10.9%
Net Margin
-1.2%
12.9%
Revenue YoY
11.5%
-13.5%
Net Profit YoY
-46.8%
EPS (diluted)
$-0.04
$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
MRCY
MRCY
ONTO
ONTO
Q1 26
$235.8M
Q4 25
$232.9M
Q3 25
$225.2M
$218.2M
Q2 25
$273.1M
$253.6M
Q1 25
$211.4M
$266.6M
Q4 24
$223.1M
$263.9M
Q3 24
$204.4M
$252.2M
Q2 24
$248.6M
$242.3M
Net Profit
MRCY
MRCY
ONTO
ONTO
Q1 26
$-2.9M
Q4 25
$-15.1M
Q3 25
$-12.5M
$28.2M
Q2 25
$16.4M
$33.9M
Q1 25
$-19.2M
$64.1M
Q4 24
$-17.6M
$48.8M
Q3 24
$-17.5M
$53.1M
Q2 24
$-10.8M
$52.9M
Gross Margin
MRCY
MRCY
ONTO
ONTO
Q1 26
99.6%
Q4 25
26.0%
Q3 25
27.9%
50.7%
Q2 25
31.0%
48.2%
Q1 25
27.0%
53.7%
Q4 24
27.3%
50.2%
Q3 24
25.3%
54.1%
Q2 24
29.5%
52.9%
Operating Margin
MRCY
MRCY
ONTO
ONTO
Q1 26
72.9%
Q4 25
-4.6%
Q3 25
-3.8%
10.9%
Q2 25
8.6%
12.7%
Q1 25
-8.2%
23.7%
Q4 24
-5.6%
16.1%
Q3 24
-6.6%
21.0%
Q2 24
-3.2%
20.2%
Net Margin
MRCY
MRCY
ONTO
ONTO
Q1 26
-1.2%
Q4 25
-6.5%
Q3 25
-5.6%
12.9%
Q2 25
6.0%
13.4%
Q1 25
-9.1%
24.0%
Q4 24
-7.9%
18.5%
Q3 24
-8.6%
21.0%
Q2 24
-4.3%
21.9%
EPS (diluted)
MRCY
MRCY
ONTO
ONTO
Q1 26
$-0.04
Q4 25
$-0.26
Q3 25
$-0.21
$0.57
Q2 25
$0.28
$0.69
Q1 25
$-0.33
$1.30
Q4 24
$-0.30
$0.98
Q3 24
$-0.30
$1.07
Q2 24
$-0.18
$1.07

Balance Sheet & Financial Strength

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

Metric
MRCY
MRCY
ONTO
ONTO
Cash + ST InvestmentsLiquidity on hand
$331.8M
$603.1M
Total DebtLower is stronger
$591.5M
Stockholders' EquityBook value
$1.5B
$2.0B
Total Assets
$2.5B
$2.2B
Debt / EquityLower = less leverage
0.40×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MRCY
MRCY
ONTO
ONTO
Q1 26
$331.8M
Q4 25
$335.0M
Q3 25
$304.7M
$603.1M
Q2 25
$309.1M
$217.5M
Q1 25
$269.8M
$203.7M
Q4 24
$242.6M
$212.9M
Q3 24
$158.1M
$188.7M
Q2 24
$180.5M
$172.6M
Total Debt
MRCY
MRCY
ONTO
ONTO
Q1 26
$591.5M
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
MRCY
MRCY
ONTO
ONTO
Q1 26
$1.5B
Q4 25
$1.5B
Q3 25
$1.5B
$2.0B
Q2 25
$1.5B
$2.0B
Q1 25
$1.5B
$1.9B
Q4 24
$1.5B
$1.9B
Q3 24
$1.5B
$1.9B
Q2 24
$1.5B
$1.8B
Total Assets
MRCY
MRCY
ONTO
ONTO
Q1 26
$2.5B
Q4 25
$2.5B
Q3 25
$2.5B
$2.2B
Q2 25
$2.4B
$2.1B
Q1 25
$2.4B
$2.1B
Q4 24
$2.4B
$2.1B
Q3 24
$2.4B
$2.1B
Q2 24
$2.4B
$2.0B
Debt / Equity
MRCY
MRCY
ONTO
ONTO
Q1 26
0.40×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
MRCY
MRCY
ONTO
ONTO
Operating Cash FlowLast quarter
$6.4M
$83.4M
Free Cash FlowOCF − Capex
$-1.8M
$82.0M
FCF MarginFCF / Revenue
-0.8%
37.6%
Capex IntensityCapex / Revenue
0.6%
Cash ConversionOCF / Net Profit
2.95×
TTM Free Cash FlowTrailing 4 quarters
$73.5M
$261.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MRCY
MRCY
ONTO
ONTO
Q1 26
$6.4M
Q4 25
$51.6M
Q3 25
$2.2M
$83.4M
Q2 25
$38.1M
$57.9M
Q1 25
$30.0M
$92.0M
Q4 24
$85.5M
$56.0M
Q3 24
$-14.7M
$67.2M
Q2 24
$71.8M
$65.3M
Free Cash Flow
MRCY
MRCY
ONTO
ONTO
Q1 26
$-1.8M
Q4 25
$45.7M
Q3 25
$-4.4M
$82.0M
Q2 25
$34.0M
$44.2M
Q1 25
$24.1M
$83.7M
Q4 24
$81.9M
$51.4M
Q3 24
$-20.9M
$59.2M
Q2 24
$61.4M
$53.0M
FCF Margin
MRCY
MRCY
ONTO
ONTO
Q1 26
-0.8%
Q4 25
19.6%
Q3 25
-1.9%
37.6%
Q2 25
12.4%
17.4%
Q1 25
11.4%
31.4%
Q4 24
36.7%
19.5%
Q3 24
-10.2%
23.5%
Q2 24
24.7%
21.9%
Capex Intensity
MRCY
MRCY
ONTO
ONTO
Q1 26
Q4 25
2.5%
Q3 25
2.9%
0.6%
Q2 25
1.5%
5.4%
Q1 25
2.8%
3.1%
Q4 24
1.6%
1.8%
Q3 24
3.1%
3.2%
Q2 24
4.2%
5.1%
Cash Conversion
MRCY
MRCY
ONTO
ONTO
Q1 26
Q4 25
Q3 25
2.95×
Q2 25
2.33×
1.71×
Q1 25
1.44×
Q4 24
1.15×
Q3 24
1.27×
Q2 24
1.23×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MRCY
MRCY

Segment breakdown not available.

ONTO
ONTO

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

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