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Side-by-side financial comparison of FTC Solar, Inc. (FTCI) 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 $32.9M, roughly 1.6× FTC Solar, Inc.). System1, Inc. runs the higher net margin — -26.0% vs -110.7%, a 84.8% gap on every dollar of revenue. On growth, FTC Solar, Inc. posted the faster year-over-year revenue change (148.9% vs -31.3%). Over the past eight quarters, FTC Solar, Inc.'s revenue compounded faster (61.6% CAGR vs -21.8%).

FTC Solar, Inc. is a leading global provider of advanced solar tracker systems, associated components, and supporting software for solar projects. It serves utility-scale, commercial, and industrial solar segments across key global markets, helping customers boost energy generation efficiency and lower overall project costs.

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.

FTCI vs SST — Head-to-Head

Bigger by revenue
SST
SST
1.6× larger
SST
$51.9M
$32.9M
FTCI
Growing faster (revenue YoY)
FTCI
FTCI
+180.2% gap
FTCI
148.9%
-31.3%
SST
Higher net margin
SST
SST
84.8% more per $
SST
-26.0%
-110.7%
FTCI
Faster 2-yr revenue CAGR
FTCI
FTCI
Annualised
FTCI
61.6%
-21.8%
SST

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FTCI
FTCI
SST
SST
Revenue
$32.9M
$51.9M
Net Profit
$-36.4M
$-13.5M
Gross Margin
14.9%
41.0%
Operating Margin
-17.2%
-33.6%
Net Margin
-110.7%
-26.0%
Revenue YoY
148.9%
-31.3%
Net Profit YoY
-197.4%
4.8%
EPS (diluted)
$-2.31
$-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
FTCI
FTCI
SST
SST
Q4 25
$32.9M
$51.9M
Q3 25
$26.0M
$61.6M
Q2 25
$20.0M
$78.1M
Q1 25
$20.8M
$74.5M
Q4 24
$13.2M
$75.6M
Q3 24
$10.1M
$88.8M
Q2 24
$11.4M
$94.6M
Q1 24
$12.6M
$84.9M
Net Profit
FTCI
FTCI
SST
SST
Q4 25
$-36.4M
$-13.5M
Q3 25
$-23.9M
$-18.5M
Q2 25
$-15.4M
$-17.5M
Q1 25
$-3.8M
$-15.9M
Q4 24
$-12.2M
$-14.2M
Q3 24
$-15.4M
$-23.6M
Q2 24
$-12.2M
$-26.4M
Q1 24
$-8.8M
$-10.5M
Gross Margin
FTCI
FTCI
SST
SST
Q4 25
14.9%
41.0%
Q3 25
6.1%
36.9%
Q2 25
-19.6%
35.7%
Q1 25
-16.6%
38.2%
Q4 24
-29.1%
42.1%
Q3 24
-42.5%
28.0%
Q2 24
-20.5%
27.6%
Q1 24
-16.7%
21.9%
Operating Margin
FTCI
FTCI
SST
SST
Q4 25
-17.2%
-33.6%
Q3 25
-29.6%
-25.3%
Q2 25
-57.5%
-20.4%
Q1 25
-50.8%
-17.6%
Q4 24
-101.7%
-15.7%
Q3 24
-147.8%
-24.6%
Q2 24
-104.3%
-30.8%
Q1 24
-99.3%
-30.4%
Net Margin
FTCI
FTCI
SST
SST
Q4 25
-110.7%
-26.0%
Q3 25
-92.0%
-30.1%
Q2 25
-77.2%
-22.4%
Q1 25
-18.4%
-21.3%
Q4 24
-92.7%
-18.7%
Q3 24
-151.5%
-26.6%
Q2 24
-107.1%
-27.9%
Q1 24
-69.7%
-12.4%
EPS (diluted)
FTCI
FTCI
SST
SST
Q4 25
$-2.31
$-3.58
Q3 25
$-1.61
$-2.30
Q2 25
$-1.18
$-2.23
Q1 25
$-0.58
$-0.21
Q4 24
$-0.95
$-3.41
Q3 24
$-1.21
$-3.37
Q2 24
$-0.97
$-3.80
Q1 24
$-0.70
$-0.16

Balance Sheet & Financial Strength

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

Metric
FTCI
FTCI
SST
SST
Cash + ST InvestmentsLiquidity on hand
$21.1M
$86.9M
Total DebtLower is stronger
$9.9M
$305.1M
Stockholders' EquityBook value
$-43.0M
$30.5M
Total Assets
$111.8M
$405.0M
Debt / EquityLower = less leverage
10.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FTCI
FTCI
SST
SST
Q4 25
$21.1M
$86.9M
Q3 25
$24.4M
$54.6M
Q2 25
$3.5M
$63.6M
Q1 25
$5.9M
$43.9M
Q4 24
$11.2M
$63.6M
Q3 24
$8.3M
$69.1M
Q2 24
$10.8M
$75.7M
Q1 24
$14.0M
$69.9M
Total Debt
FTCI
FTCI
SST
SST
Q4 25
$9.9M
$305.1M
Q3 25
$16.6M
$259.2M
Q2 25
$10.9M
$263.3M
Q1 25
$10.2M
$267.4M
Q4 24
$9.5M
$255.1M
Q3 24
$259.2M
Q2 24
$263.3M
Q1 24
$268.6M
Stockholders' Equity
FTCI
FTCI
SST
SST
Q4 25
$-43.0M
$30.5M
Q3 25
$-13.7M
$42.7M
Q2 25
$9.0M
$58.2M
Q1 25
$15.5M
$67.2M
Q4 24
$19.0M
$80.3M
Q3 24
$30.4M
$90.3M
Q2 24
$44.2M
$109.4M
Q1 24
$55.2M
$131.7M
Total Assets
FTCI
FTCI
SST
SST
Q4 25
$111.8M
$405.0M
Q3 25
$111.5M
$385.2M
Q2 25
$83.0M
$429.2M
Q1 25
$84.1M
$419.2M
Q4 24
$89.9M
$459.1M
Q3 24
$91.7M
$479.3M
Q2 24
$100.3M
$511.3M
Q1 24
$115.0M
$521.1M
Debt / Equity
FTCI
FTCI
SST
SST
Q4 25
10.01×
Q3 25
6.07×
Q2 25
1.20×
4.53×
Q1 25
0.65×
3.98×
Q4 24
0.50×
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
FTCI
FTCI
SST
SST
Operating Cash FlowLast quarter
$-8.0M
$-10.6M
Free Cash FlowOCF − Capex
$-8.4M
FCF MarginFCF / Revenue
-25.7%
Capex IntensityCapex / Revenue
1.3%
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-34.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FTCI
FTCI
SST
SST
Q4 25
$-8.0M
$-10.6M
Q3 25
$-14.6M
$-2.1M
Q2 25
$-2.3M
$24.5M
Q1 25
$-8.5M
$-15.9M
Q4 24
$-16.7M
$772.0K
Q3 24
$-2.4M
$-5.0K
Q2 24
$-3.8M
$10.0M
Q1 24
$-11.9M
$-16.0M
Free Cash Flow
FTCI
FTCI
SST
SST
Q4 25
$-8.4M
Q3 25
$-15.1M
Q2 25
$-2.5M
Q1 25
$-8.6M
$-16.0M
Q4 24
$-17.0M
Q3 24
$-2.6M
$-36.0K
Q2 24
$-4.5M
Q1 24
$-12.3M
FCF Margin
FTCI
FTCI
SST
SST
Q4 25
-25.7%
Q3 25
-57.9%
Q2 25
-12.4%
Q1 25
-41.2%
-21.5%
Q4 24
-128.6%
Q3 24
-25.6%
-0.0%
Q2 24
-39.2%
Q1 24
-97.6%
Capex Intensity
FTCI
FTCI
SST
SST
Q4 25
1.3%
0.0%
Q3 25
1.7%
0.0%
Q2 25
0.9%
0.0%
Q1 25
0.4%
0.1%
Q4 24
2.2%
0.0%
Q3 24
2.2%
0.0%
Q2 24
6.1%
0.0%
Q1 24
3.4%
0.0%

Financial Flow Comparison

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

Revenue Breakdown by Segment

FTCI
FTCI

Products$26.2M80%
Services$6.7M20%

SST
SST

Segment breakdown not available.

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