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

MERCURY SYSTEMS INC is the larger business by last-quarter revenue ($232.9M vs $140.0M, roughly 1.7× Fat Brands, Inc). MERCURY SYSTEMS INC runs the higher net margin — -6.5% vs -41.6%, a 35.1% gap on every dollar of revenue. On growth, MERCURY SYSTEMS INC posted the faster year-over-year revenue change (4.4% vs -2.3%). MERCURY SYSTEMS INC produced more free cash flow last quarter ($45.7M vs $-16.9M). Over the past eight quarters, MERCURY SYSTEMS INC's revenue compounded faster (5.7% CAGR vs -6.1%).

FAT Brands Inc. is an American multi-brand restaurant and sports bar franchise operator headquartered in Beverly Hills, California.

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.

FAT vs MRCY — Head-to-Head

Bigger by revenue
MRCY
MRCY
1.7× larger
MRCY
$232.9M
$140.0M
FAT
Growing faster (revenue YoY)
MRCY
MRCY
+6.7% gap
MRCY
4.4%
-2.3%
FAT
Higher net margin
MRCY
MRCY
35.1% more per $
MRCY
-6.5%
-41.6%
FAT
More free cash flow
MRCY
MRCY
$62.6M more FCF
MRCY
$45.7M
$-16.9M
FAT
Faster 2-yr revenue CAGR
MRCY
MRCY
Annualised
MRCY
5.7%
-6.1%
FAT

Income Statement — Q3 FY2025 vs Q2 FY2026

Metric
FAT
FAT
MRCY
MRCY
Revenue
$140.0M
$232.9M
Net Profit
$-58.2M
$-15.1M
Gross Margin
26.0%
Operating Margin
-12.4%
-4.6%
Net Margin
-41.6%
-6.5%
Revenue YoY
-2.3%
4.4%
Net Profit YoY
-30.1%
14.1%
EPS (diluted)
$-3.39
$-0.26

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
FAT
FAT
MRCY
MRCY
Q4 25
$232.9M
Q3 25
$140.0M
$225.2M
Q2 25
$146.8M
$273.1M
Q1 25
$142.0M
$211.4M
Q4 24
$145.3M
$223.1M
Q3 24
$143.4M
$204.4M
Q2 24
$152.0M
$248.6M
Q1 24
$152.0M
$208.3M
Net Profit
FAT
FAT
MRCY
MRCY
Q4 25
$-15.1M
Q3 25
$-58.2M
$-12.5M
Q2 25
$-54.2M
$16.4M
Q1 25
$-46.0M
$-19.2M
Q4 24
$-67.4M
$-17.6M
Q3 24
$-44.8M
$-17.5M
Q2 24
$-39.4M
$-10.8M
Q1 24
$-38.3M
$-44.6M
Gross Margin
FAT
FAT
MRCY
MRCY
Q4 25
26.0%
Q3 25
27.9%
Q2 25
31.0%
Q1 25
27.0%
Q4 24
27.3%
Q3 24
25.3%
Q2 24
29.5%
Q1 24
19.5%
Operating Margin
FAT
FAT
MRCY
MRCY
Q4 25
-4.6%
Q3 25
-12.4%
-3.8%
Q2 25
-10.6%
8.6%
Q1 25
-6.0%
-8.2%
Q4 24
-27.1%
-5.6%
Q3 24
-6.2%
-6.6%
Q2 24
-1.8%
-3.2%
Q1 24
-0.9%
-21.9%
Net Margin
FAT
FAT
MRCY
MRCY
Q4 25
-6.5%
Q3 25
-41.6%
-5.6%
Q2 25
-36.9%
6.0%
Q1 25
-32.4%
-9.1%
Q4 24
-46.4%
-7.9%
Q3 24
-31.2%
-8.6%
Q2 24
-25.9%
-4.3%
Q1 24
-25.2%
-21.4%
EPS (diluted)
FAT
FAT
MRCY
MRCY
Q4 25
$-0.26
Q3 25
$-3.39
$-0.21
Q2 25
$-3.17
$0.28
Q1 25
$-2.73
$-0.33
Q4 24
$-4.06
$-0.30
Q3 24
$-2.74
$-0.30
Q2 24
$-2.43
$-0.18
Q1 24
$-2.37
$-0.77

Balance Sheet & Financial Strength

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

Metric
FAT
FAT
MRCY
MRCY
Cash + ST InvestmentsLiquidity on hand
$335.0M
Total DebtLower is stronger
$1.3B
Stockholders' EquityBook value
$-585.8M
$1.5B
Total Assets
$1.2B
$2.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FAT
FAT
MRCY
MRCY
Q4 25
$335.0M
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
Total Debt
FAT
FAT
MRCY
MRCY
Q4 25
Q3 25
$1.3B
Q2 25
$1.3B
Q1 25
$1.3B
Q4 24
$1.3B
Q3 24
$1.2B
Q2 24
$1.2B
Q1 24
$1.2B
Stockholders' Equity
FAT
FAT
MRCY
MRCY
Q4 25
$1.5B
Q3 25
$-585.8M
$1.5B
Q2 25
$-536.5M
$1.5B
Q1 25
$-493.9M
$1.5B
Q4 24
$-455.7M
$1.5B
Q3 24
$-386.1M
$1.5B
Q2 24
$-338.6M
$1.5B
Q1 24
$-296.8M
$1.5B
Total Assets
FAT
FAT
MRCY
MRCY
Q4 25
$2.5B
Q3 25
$1.2B
$2.5B
Q2 25
$1.2B
$2.4B
Q1 25
$1.3B
$2.4B
Q4 24
$1.3B
$2.4B
Q3 24
$1.3B
$2.4B
Q2 24
$1.4B
$2.4B
Q1 24
$1.4B
$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
FAT
FAT
MRCY
MRCY
Operating Cash FlowLast quarter
$-14.5M
$51.6M
Free Cash FlowOCF − Capex
$-16.9M
$45.7M
FCF MarginFCF / Revenue
-12.1%
19.6%
Capex IntensityCapex / Revenue
1.7%
2.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-75.0M
$99.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FAT
FAT
MRCY
MRCY
Q4 25
$51.6M
Q3 25
$-14.5M
$2.2M
Q2 25
$-26.9M
$38.1M
Q1 25
$-13.2M
$30.0M
Q4 24
$-10.4M
$85.5M
Q3 24
$-3.2M
$-14.7M
Q2 24
$-14.2M
$71.8M
Q1 24
$-28.4M
$-17.8M
Free Cash Flow
FAT
FAT
MRCY
MRCY
Q4 25
$45.7M
Q3 25
$-16.9M
$-4.4M
Q2 25
$-29.3M
$34.0M
Q1 25
$-17.8M
$24.1M
Q4 24
$-11.0M
$81.9M
Q3 24
$-11.1M
$-20.9M
Q2 24
$-24.4M
$61.4M
Q1 24
$-32.5M
$-25.7M
FCF Margin
FAT
FAT
MRCY
MRCY
Q4 25
19.6%
Q3 25
-12.1%
-1.9%
Q2 25
-20.0%
12.4%
Q1 25
-12.5%
11.4%
Q4 24
-7.6%
36.7%
Q3 24
-7.7%
-10.2%
Q2 24
-16.1%
24.7%
Q1 24
-21.4%
-12.4%
Capex Intensity
FAT
FAT
MRCY
MRCY
Q4 25
2.5%
Q3 25
1.7%
2.9%
Q2 25
1.6%
1.5%
Q1 25
3.2%
2.8%
Q4 24
0.4%
1.6%
Q3 24
5.5%
3.1%
Q2 24
6.7%
4.2%
Q1 24
2.7%
3.8%
Cash Conversion
FAT
FAT
MRCY
MRCY
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

FAT
FAT

Restaurant Sales$96.6M69%
Royalty$21.6M15%
Factory$9.6M7%
Advertising$9.1M7%
Franchisor$1.5M1%
Other$1.5M1%

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%

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