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Side-by-side financial comparison of Joby Aviation, Inc. (JOBY) and System1, Inc. (SST). Click either name above to swap in a different company.

System1, Inc. is the larger business by last-quarter revenue ($51.9M vs $30.8M, roughly 1.7× Joby Aviation, Inc.). On growth, Joby Aviation, Inc. posted the faster year-over-year revenue change (55965.5% vs -31.3%).

Joby Aviation is a United States venture-backed aviation company, developing an electric vertical takeoff and landing (eVTOL) aircraft that it intends to operate as an air taxi service. Joby Aviation is headquartered in Santa Cruz, California and has offices in San Carlos, California; Marina, California; and Munich, Germany.

System1 is an American Internet advertising company. Formerly known as OpenMail, it was founded in 2013. It describes itself as operating a "Responsive Acquisition Marketing Platform", and cites privacy as one of its principal foci, although it has been criticized for its influence on privacy-focused properties, including search engine Startpage.com. It is headquartered in Marina del Rey, California.

JOBY vs SST — Head-to-Head

Bigger by revenue
SST
SST
1.7× larger
SST
$51.9M
$30.8M
JOBY
Growing faster (revenue YoY)
JOBY
JOBY
+55996.7% gap
JOBY
55965.5%
-31.3%
SST

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
JOBY
JOBY
SST
SST
Revenue
$30.8M
$51.9M
Net Profit
$-13.5M
Gross Margin
41.0%
Operating Margin
-33.6%
Net Margin
-26.0%
Revenue YoY
55965.5%
-31.3%
Net Profit YoY
50.7%
4.8%
EPS (diluted)
$-3.58

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
JOBY
JOBY
SST
SST
Q4 25
$30.8M
$51.9M
Q3 25
$22.6M
$61.6M
Q2 25
$78.1M
Q1 25
$0
$74.5M
Q4 24
$75.6M
Q3 24
$88.8M
Q2 24
$94.6M
Q1 24
$84.9M
Net Profit
JOBY
JOBY
SST
SST
Q4 25
$-13.5M
Q3 25
$-401.2M
$-18.5M
Q2 25
$-17.5M
Q1 25
$-82.4M
$-15.9M
Q4 24
$-14.2M
Q3 24
$-23.6M
Q2 24
$-26.4M
Q1 24
$-10.5M
Gross Margin
JOBY
JOBY
SST
SST
Q4 25
41.0%
Q3 25
36.9%
Q2 25
35.7%
Q1 25
38.2%
Q4 24
42.1%
Q3 24
28.0%
Q2 24
27.6%
Q1 24
21.9%
Operating Margin
JOBY
JOBY
SST
SST
Q4 25
-33.6%
Q3 25
-804.8%
-25.3%
Q2 25
-20.4%
Q1 25
-17.6%
Q4 24
-15.7%
Q3 24
-24.6%
Q2 24
-30.8%
Q1 24
-30.4%
Net Margin
JOBY
JOBY
SST
SST
Q4 25
-26.0%
Q3 25
-1777.4%
-30.1%
Q2 25
-22.4%
Q1 25
-21.3%
Q4 24
-18.7%
Q3 24
-26.6%
Q2 24
-27.9%
Q1 24
-12.4%
EPS (diluted)
JOBY
JOBY
SST
SST
Q4 25
$-3.58
Q3 25
$-0.48
$-2.30
Q2 25
$-2.23
Q1 25
$-0.11
$-0.21
Q4 24
$-3.41
Q3 24
$-3.37
Q2 24
$-3.80
Q1 24
$-0.16

Balance Sheet & Financial Strength

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

Metric
JOBY
JOBY
SST
SST
Cash + ST InvestmentsLiquidity on hand
$1.4B
$86.9M
Total DebtLower is stronger
$305.1M
Stockholders' EquityBook value
$1.4B
$30.5M
Total Assets
$1.8B
$405.0M
Debt / EquityLower = less leverage
10.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
JOBY
JOBY
SST
SST
Q4 25
$1.4B
$86.9M
Q3 25
$978.1M
$54.6M
Q2 25
$63.6M
Q1 25
$812.5M
$43.9M
Q4 24
$63.6M
Q3 24
$69.1M
Q2 24
$75.7M
Q1 24
$69.9M
Total Debt
JOBY
JOBY
SST
SST
Q4 25
$305.1M
Q3 25
$259.2M
Q2 25
$263.3M
Q1 25
$267.4M
Q4 24
$255.1M
Q3 24
$259.2M
Q2 24
$263.3M
Q1 24
$268.6M
Stockholders' Equity
JOBY
JOBY
SST
SST
Q4 25
$1.4B
$30.5M
Q3 25
$896.5M
$42.7M
Q2 25
$58.2M
Q1 25
$859.4M
$67.2M
Q4 24
$80.3M
Q3 24
$90.3M
Q2 24
$109.4M
Q1 24
$131.7M
Total Assets
JOBY
JOBY
SST
SST
Q4 25
$1.8B
$405.0M
Q3 25
$1.4B
$385.2M
Q2 25
$429.2M
Q1 25
$1.1B
$419.2M
Q4 24
$459.1M
Q3 24
$479.3M
Q2 24
$511.3M
Q1 24
$521.1M
Debt / Equity
JOBY
JOBY
SST
SST
Q4 25
10.01×
Q3 25
6.07×
Q2 25
4.53×
Q1 25
3.98×
Q4 24
3.18×
Q3 24
2.87×
Q2 24
2.41×
Q1 24
2.04×

Cash Flow & Capital Efficiency

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

Metric
JOBY
JOBY
SST
SST
Operating Cash FlowLast quarter
$-509.9M
$-10.6M
Free Cash FlowOCF − Capex
$-563.8M
FCF MarginFCF / Revenue
-1828.4%
Capex IntensityCapex / Revenue
174.9%
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-930.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
JOBY
JOBY
SST
SST
Q4 25
$-509.9M
$-10.6M
Q3 25
$-139.2M
$-2.1M
Q2 25
$24.5M
Q1 25
$-111.0M
$-15.9M
Q4 24
$772.0K
Q3 24
$-5.0K
Q2 24
$10.0M
Q1 24
$-16.0M
Free Cash Flow
JOBY
JOBY
SST
SST
Q4 25
$-563.8M
Q3 25
$-152.2M
Q2 25
Q1 25
$-125.9M
$-16.0M
Q4 24
Q3 24
$-36.0K
Q2 24
Q1 24
FCF Margin
JOBY
JOBY
SST
SST
Q4 25
-1828.4%
Q3 25
-674.3%
Q2 25
Q1 25
-21.5%
Q4 24
Q3 24
-0.0%
Q2 24
Q1 24
Capex Intensity
JOBY
JOBY
SST
SST
Q4 25
174.9%
0.0%
Q3 25
57.7%
0.0%
Q2 25
0.0%
Q1 25
0.1%
Q4 24
0.0%
Q3 24
0.0%
Q2 24
0.0%
Q1 24
0.0%

Financial Flow Comparison

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

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