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Side-by-side financial comparison of MERCURY SYSTEMS INC (MRCY) and CarParts.com, Inc. (PRTS). Click either name above to swap in a different company.

MERCURY SYSTEMS INC is the larger business by last-quarter revenue ($232.9M vs $120.4M, roughly 1.9× CarParts.com, Inc.). MERCURY SYSTEMS INC runs the higher net margin — -6.5% vs -9.6%, a 3.1% gap on every dollar of revenue. On growth, MERCURY SYSTEMS INC posted the faster year-over-year revenue change (4.4% vs -9.8%). Over the past eight quarters, MERCURY SYSTEMS INC's revenue compounded faster (5.7% CAGR vs -8.6%).

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.

Genuine Parts Company (GPC) is an American automotive and industrial parts distributor based in Atlanta, Georgia. Established by brothers Carlyle and Malcolm Fraser in 1928, the company has approximately 60,000 employees. In addition to the United States, GPC has operated in Australasia, Belgium, Canada, France, Germany, Mexico, the Netherlands, Poland, and the United Kingdom. GPC's subsidiaries include industrial parts distributor Motion as well as NAPA Auto Parts, which primarily sells part...

MRCY vs PRTS — Head-to-Head

Bigger by revenue
MRCY
MRCY
1.9× larger
MRCY
$232.9M
$120.4M
PRTS
Growing faster (revenue YoY)
MRCY
MRCY
+14.2% gap
MRCY
4.4%
-9.8%
PRTS
Higher net margin
MRCY
MRCY
3.1% more per $
MRCY
-6.5%
-9.6%
PRTS
Faster 2-yr revenue CAGR
MRCY
MRCY
Annualised
MRCY
5.7%
-8.6%
PRTS

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
MRCY
MRCY
PRTS
PRTS
Revenue
$232.9M
$120.4M
Net Profit
$-15.1M
$-11.6M
Gross Margin
26.0%
33.2%
Operating Margin
-4.6%
Net Margin
-6.5%
-9.6%
Revenue YoY
4.4%
-9.8%
Net Profit YoY
14.1%
25.0%
EPS (diluted)
$-0.26
$-0.82

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
PRTS
PRTS
Q4 25
$232.9M
$120.4M
Q3 25
$225.2M
$127.8M
Q2 25
$273.1M
$151.9M
Q1 25
$211.4M
$147.4M
Q4 24
$223.1M
$133.5M
Q3 24
$204.4M
$144.8M
Q2 24
$248.6M
$144.3M
Q1 24
$208.3M
Net Profit
MRCY
MRCY
PRTS
PRTS
Q4 25
$-15.1M
$-11.6M
Q3 25
$-12.5M
$-10.9M
Q2 25
$16.4M
$-12.7M
Q1 25
$-19.2M
$-15.3M
Q4 24
$-17.6M
$-15.4M
Q3 24
$-17.5M
$-10.0M
Q2 24
$-10.8M
$-8.7M
Q1 24
$-44.6M
Gross Margin
MRCY
MRCY
PRTS
PRTS
Q4 25
26.0%
33.2%
Q3 25
27.9%
33.1%
Q2 25
31.0%
32.8%
Q1 25
27.0%
32.1%
Q4 24
27.3%
32.5%
Q3 24
25.3%
35.2%
Q2 24
29.5%
33.5%
Q1 24
19.5%
Operating Margin
MRCY
MRCY
PRTS
PRTS
Q4 25
-4.6%
Q3 25
-3.8%
-7.9%
Q2 25
8.6%
-8.2%
Q1 25
-8.2%
-10.3%
Q4 24
-5.6%
-11.6%
Q3 24
-6.6%
-6.9%
Q2 24
-3.2%
-6.0%
Q1 24
-21.9%
Net Margin
MRCY
MRCY
PRTS
PRTS
Q4 25
-6.5%
-9.6%
Q3 25
-5.6%
-8.5%
Q2 25
6.0%
-8.4%
Q1 25
-9.1%
-10.4%
Q4 24
-7.9%
-11.5%
Q3 24
-8.6%
-6.9%
Q2 24
-4.3%
-6.0%
Q1 24
-21.4%
EPS (diluted)
MRCY
MRCY
PRTS
PRTS
Q4 25
$-0.26
$-0.82
Q3 25
$-0.21
$-0.19
Q2 25
$0.28
$-0.23
Q1 25
$-0.33
$-0.27
Q4 24
$-0.30
$-0.28
Q3 24
$-0.30
$-0.17
Q2 24
$-0.18
$-0.15
Q1 24
$-0.77

Balance Sheet & Financial Strength

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

Metric
MRCY
MRCY
PRTS
PRTS
Cash + ST InvestmentsLiquidity on hand
$335.0M
$25.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.5B
$53.5M
Total Assets
$2.5B
$184.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MRCY
MRCY
PRTS
PRTS
Q4 25
$335.0M
$25.8M
Q3 25
$304.7M
Q2 25
$309.1M
Q1 25
$269.8M
Q4 24
$242.6M
Q3 24
$158.1M
Q2 24
$180.5M
Q1 24
$142.6M
Stockholders' Equity
MRCY
MRCY
PRTS
PRTS
Q4 25
$1.5B
$53.5M
Q3 25
$1.5B
$64.2M
Q2 25
$1.5B
$62.4M
Q1 25
$1.5B
$72.8M
Q4 24
$1.5B
$85.2M
Q3 24
$1.5B
$97.2M
Q2 24
$1.5B
$103.9M
Q1 24
$1.5B
Total Assets
MRCY
MRCY
PRTS
PRTS
Q4 25
$2.5B
$184.9M
Q3 25
$2.5B
$200.3M
Q2 25
$2.4B
$189.6M
Q1 25
$2.4B
$216.5M
Q4 24
$2.4B
$210.6M
Q3 24
$2.4B
$227.6M
Q2 24
$2.4B
$238.0M
Q1 24
$2.4B

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
PRTS
PRTS
Operating Cash FlowLast quarter
$51.6M
Free Cash FlowOCF − Capex
$45.7M
FCF MarginFCF / Revenue
19.6%
Capex IntensityCapex / Revenue
2.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$99.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MRCY
MRCY
PRTS
PRTS
Q4 25
$51.6M
Q3 25
$2.2M
$-6.4M
Q2 25
$38.1M
$-25.6M
Q1 25
$30.0M
$5.5M
Q4 24
$85.5M
$1.8M
Q3 24
$-14.7M
$8.5M
Q2 24
$71.8M
$-3.6M
Q1 24
$-17.8M
Free Cash Flow
MRCY
MRCY
PRTS
PRTS
Q4 25
$45.7M
Q3 25
$-4.4M
$-8.3M
Q2 25
$34.0M
$-27.9M
Q1 25
$24.1M
$3.4M
Q4 24
$81.9M
$-631.0K
Q3 24
$-20.9M
$4.9M
Q2 24
$61.4M
$-10.8M
Q1 24
$-25.7M
FCF Margin
MRCY
MRCY
PRTS
PRTS
Q4 25
19.6%
Q3 25
-1.9%
-6.5%
Q2 25
12.4%
-18.3%
Q1 25
11.4%
2.3%
Q4 24
36.7%
-0.5%
Q3 24
-10.2%
3.4%
Q2 24
24.7%
-7.5%
Q1 24
-12.4%
Capex Intensity
MRCY
MRCY
PRTS
PRTS
Q4 25
2.5%
Q3 25
2.9%
1.5%
Q2 25
1.5%
1.5%
Q1 25
2.8%
1.4%
Q4 24
1.6%
1.8%
Q3 24
3.1%
2.5%
Q2 24
4.2%
4.9%
Q1 24
3.8%
Cash Conversion
MRCY
MRCY
PRTS
PRTS
Q4 25
Q3 25
Q2 25
2.33×
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

MRCY
MRCY

Airborne$84.2M36%
Components$48.7M21%
Other End Applications$36.8M16%
Electronic Warfare$27.5M12%
Other Sensor And Effector Applications$23.9M10%
Space$11.9M5%

PRTS
PRTS

Segment breakdown not available.

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