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

Inogen Inc is the larger business by last-quarter revenue ($68.6M vs $51.9M, roughly 1.3× System1, Inc.). On growth, Inogen Inc posted the faster year-over-year revenue change (3.4% vs -31.3%). Over the past eight quarters, Inogen Inc's revenue compounded faster (4.2% CAGR vs -21.8%).

Inogen Inc is a medical technology firm specializing in the development, production and distribution of portable oxygen concentrators and associated respiratory care products. It caters primarily to patients with chronic respiratory conditions needing long-term oxygen therapy across North America, Europe and other global markets, focusing on home care and ambulatory patient segments to enhance users' quality of life.

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.

INGN vs SST — Head-to-Head

Bigger by revenue
INGN
INGN
1.3× larger
INGN
$68.6M
$51.9M
SST
Growing faster (revenue YoY)
INGN
INGN
+34.7% gap
INGN
3.4%
-31.3%
SST
Faster 2-yr revenue CAGR
INGN
INGN
Annualised
INGN
4.2%
-21.8%
SST

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
INGN
INGN
SST
SST
Revenue
$68.6M
$51.9M
Net Profit
$-13.5M
Gross Margin
51.4%
41.0%
Operating Margin
-13.6%
-33.6%
Net Margin
-26.0%
Revenue YoY
3.4%
-31.3%
Net Profit YoY
4.8%
EPS (diluted)
$-0.26
$-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
INGN
INGN
SST
SST
Q4 25
$68.6M
$51.9M
Q3 25
$79.1M
$61.6M
Q2 25
$79.2M
$78.1M
Q1 25
$68.5M
$74.5M
Q4 24
$66.3M
$75.6M
Q3 24
$74.9M
$88.8M
Q2 24
$74.4M
$94.6M
Q1 24
$63.1M
$84.9M
Net Profit
INGN
INGN
SST
SST
Q4 25
$-13.5M
Q3 25
$-5.3M
$-18.5M
Q2 25
$-4.2M
$-17.5M
Q1 25
$-6.2M
$-15.9M
Q4 24
$-14.2M
Q3 24
$-6.0M
$-23.6M
Q2 24
$-5.6M
$-26.4M
Q1 24
$-14.6M
$-10.5M
Gross Margin
INGN
INGN
SST
SST
Q4 25
51.4%
41.0%
Q3 25
52.2%
36.9%
Q2 25
52.2%
35.7%
Q1 25
53.1%
38.2%
Q4 24
54.7%
42.1%
Q3 24
55.2%
28.0%
Q2 24
57.4%
27.6%
Q1 24
54.5%
21.9%
Operating Margin
INGN
INGN
SST
SST
Q4 25
-13.6%
-33.6%
Q3 25
-9.0%
-25.3%
Q2 25
-7.7%
-20.4%
Q1 25
-11.2%
-17.6%
Q4 24
-17.2%
-15.7%
Q3 24
-10.4%
-24.6%
Q2 24
-9.5%
-30.8%
Q1 24
-25.8%
-30.4%
Net Margin
INGN
INGN
SST
SST
Q4 25
-26.0%
Q3 25
-6.7%
-30.1%
Q2 25
-5.2%
-22.4%
Q1 25
-9.0%
-21.3%
Q4 24
-18.7%
Q3 24
-8.0%
-26.6%
Q2 24
-7.5%
-27.9%
Q1 24
-23.1%
-12.4%
EPS (diluted)
INGN
INGN
SST
SST
Q4 25
$-0.26
$-3.58
Q3 25
$-0.20
$-2.30
Q2 25
$-0.15
$-2.23
Q1 25
$-0.25
$-0.21
Q4 24
$-0.41
$-3.41
Q3 24
$-0.25
$-3.37
Q2 24
$-0.24
$-3.80
Q1 24
$-0.62
$-0.16

Balance Sheet & Financial Strength

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

Metric
INGN
INGN
SST
SST
Cash + ST InvestmentsLiquidity on hand
$103.7M
$86.9M
Total DebtLower is stronger
$305.1M
Stockholders' EquityBook value
$192.2M
$30.5M
Total Assets
$298.6M
$405.0M
Debt / EquityLower = less leverage
10.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
INGN
INGN
SST
SST
Q4 25
$103.7M
$86.9M
Q3 25
$106.5M
$54.6M
Q2 25
$103.7M
$63.6M
Q1 25
$118.9M
$43.9M
Q4 24
$113.8M
$63.6M
Q3 24
$105.7M
$69.1M
Q2 24
$97.9M
$75.7M
Q1 24
$107.4M
$69.9M
Total Debt
INGN
INGN
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
INGN
INGN
SST
SST
Q4 25
$192.2M
$30.5M
Q3 25
$197.2M
$42.7M
Q2 25
$199.5M
$58.2M
Q1 25
$198.0M
$67.2M
Q4 24
$173.9M
$80.3M
Q3 24
$185.4M
$90.3M
Q2 24
$187.6M
$109.4M
Q1 24
$191.9M
$131.7M
Total Assets
INGN
INGN
SST
SST
Q4 25
$298.6M
$405.0M
Q3 25
$307.0M
$385.2M
Q2 25
$312.0M
$429.2M
Q1 25
$308.4M
$419.2M
Q4 24
$296.2M
$459.1M
Q3 24
$306.2M
$479.3M
Q2 24
$308.9M
$511.3M
Q1 24
$315.6M
$521.1M
Debt / Equity
INGN
INGN
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
INGN
INGN
SST
SST
Operating Cash FlowLast quarter
$-943.0K
$-10.6M
Free Cash FlowOCF − Capex
$-1.9M
FCF MarginFCF / Revenue
-2.8%
Capex IntensityCapex / Revenue
1.4%
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-13.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
INGN
INGN
SST
SST
Q4 25
$-943.0K
$-10.6M
Q3 25
$2.2M
$-2.1M
Q2 25
$4.3M
$24.5M
Q1 25
$-16.8M
$-15.9M
Q4 24
$-3.0M
$772.0K
Q3 24
$7.0M
$-5.0K
Q2 24
$6.7M
$10.0M
Q1 24
$-4.7M
$-16.0M
Free Cash Flow
INGN
INGN
SST
SST
Q4 25
$-1.9M
Q3 25
$1.6M
Q2 25
$3.7M
Q1 25
$-17.1M
$-16.0M
Q4 24
$-3.3M
Q3 24
$5.3M
$-36.0K
Q2 24
$6.6M
Q1 24
$-6.1M
FCF Margin
INGN
INGN
SST
SST
Q4 25
-2.8%
Q3 25
2.0%
Q2 25
4.6%
Q1 25
-24.9%
-21.5%
Q4 24
-5.0%
Q3 24
7.1%
-0.0%
Q2 24
8.9%
Q1 24
-9.6%
Capex Intensity
INGN
INGN
SST
SST
Q4 25
1.4%
0.0%
Q3 25
0.7%
0.0%
Q2 25
0.9%
0.0%
Q1 25
0.4%
0.1%
Q4 24
0.5%
0.0%
Q3 24
2.2%
0.0%
Q2 24
0.1%
0.0%
Q1 24
2.1%
0.0%

Financial Flow Comparison

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

Revenue Breakdown by Segment

INGN
INGN

Other$36.1M53%
Non Us$32.5M47%

SST
SST

Segment breakdown not available.

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