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

AMERICAN SUPERCONDUCTOR CORP is the larger business by last-quarter revenue ($74.5M vs $51.9M, roughly 1.4× System1, Inc.). AMERICAN SUPERCONDUCTOR CORP runs the higher net margin — 158.1% vs -26.0%, a 184.0% gap on every dollar of revenue. On growth, AMERICAN SUPERCONDUCTOR CORP posted the faster year-over-year revenue change (21.4% vs -31.3%). Over the past eight quarters, AMERICAN SUPERCONDUCTOR CORP's revenue compounded faster (33.2% CAGR vs -21.8%).

Anglo American plc is a British multinational mining company with headquarters in London, England. It is the world's largest producer of platinum, representing approximately 40 percent of global output, as well as being a major producer of diamonds, copper, nickel, iron ore, polyhalite and steelmaking coal. The company has operations in Africa, Asia, Australia, Europe, North America and South America.

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.

AMSC vs SST — Head-to-Head

Bigger by revenue
AMSC
AMSC
1.4× larger
AMSC
$74.5M
$51.9M
SST
Growing faster (revenue YoY)
AMSC
AMSC
+52.7% gap
AMSC
21.4%
-31.3%
SST
Higher net margin
AMSC
AMSC
184.0% more per $
AMSC
158.1%
-26.0%
SST
Faster 2-yr revenue CAGR
AMSC
AMSC
Annualised
AMSC
33.2%
-21.8%
SST

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
AMSC
AMSC
SST
SST
Revenue
$74.5M
$51.9M
Net Profit
$117.8M
$-13.5M
Gross Margin
30.7%
41.0%
Operating Margin
4.5%
-33.6%
Net Margin
158.1%
-26.0%
Revenue YoY
21.4%
-31.3%
Net Profit YoY
4679.1%
4.8%
EPS (diluted)
$2.62
$-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
AMSC
AMSC
SST
SST
Q4 25
$74.5M
$51.9M
Q3 25
$65.9M
$61.6M
Q2 25
$72.4M
$78.1M
Q1 25
$66.7M
$74.5M
Q4 24
$61.4M
$75.6M
Q3 24
$54.5M
$88.8M
Q2 24
$40.3M
$94.6M
Q1 24
$42.0M
$84.9M
Net Profit
AMSC
AMSC
SST
SST
Q4 25
$117.8M
$-13.5M
Q3 25
$4.8M
$-18.5M
Q2 25
$6.7M
$-17.5M
Q1 25
$1.2M
$-15.9M
Q4 24
$2.5M
$-14.2M
Q3 24
$4.9M
$-23.6M
Q2 24
$-2.5M
$-26.4M
Q1 24
$-1.6M
$-10.5M
Gross Margin
AMSC
AMSC
SST
SST
Q4 25
30.7%
41.0%
Q3 25
31.0%
36.9%
Q2 25
33.8%
35.7%
Q1 25
26.5%
38.2%
Q4 24
26.6%
42.1%
Q3 24
28.7%
28.0%
Q2 24
30.3%
27.6%
Q1 24
24.8%
21.9%
Operating Margin
AMSC
AMSC
SST
SST
Q4 25
4.5%
-33.6%
Q3 25
4.5%
-25.3%
Q2 25
7.8%
-20.4%
Q1 25
2.5%
-17.6%
Q4 24
2.1%
-15.7%
Q3 24
-1.4%
-24.6%
Q2 24
-8.2%
-30.8%
Q1 24
-5.3%
-30.4%
Net Margin
AMSC
AMSC
SST
SST
Q4 25
158.1%
-26.0%
Q3 25
7.2%
-30.1%
Q2 25
9.3%
-22.4%
Q1 25
1.8%
-21.3%
Q4 24
4.0%
-18.7%
Q3 24
9.0%
-26.6%
Q2 24
-6.3%
-27.9%
Q1 24
-3.8%
-12.4%
EPS (diluted)
AMSC
AMSC
SST
SST
Q4 25
$2.62
$-3.58
Q3 25
$0.11
$-2.30
Q2 25
$0.17
$-2.23
Q1 25
$0.04
$-0.21
Q4 24
$0.06
$-3.41
Q3 24
$0.13
$-3.37
Q2 24
$-0.07
$-3.80
Q1 24
$-0.03
$-0.16

Balance Sheet & Financial Strength

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

Metric
AMSC
AMSC
SST
SST
Cash + ST InvestmentsLiquidity on hand
$141.1M
$86.9M
Total DebtLower is stronger
$305.1M
Stockholders' EquityBook value
$536.8M
$30.5M
Total Assets
$719.5M
$405.0M
Debt / EquityLower = less leverage
10.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMSC
AMSC
SST
SST
Q4 25
$141.1M
$86.9M
Q3 25
$212.9M
$54.6M
Q2 25
$207.9M
$63.6M
Q1 25
$79.5M
$43.9M
Q4 24
$75.2M
$63.6M
Q3 24
$72.1M
$69.1M
Q2 24
$93.5M
$75.7M
Q1 24
$90.5M
$69.9M
Total Debt
AMSC
AMSC
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
AMSC
AMSC
SST
SST
Q4 25
$536.8M
$30.5M
Q3 25
$342.2M
$42.7M
Q2 25
$333.1M
$58.2M
Q1 25
$197.1M
$67.2M
Q4 24
$192.7M
$80.3M
Q3 24
$187.0M
$90.3M
Q2 24
$143.3M
$109.4M
Q1 24
$144.6M
$131.7M
Total Assets
AMSC
AMSC
SST
SST
Q4 25
$719.5M
$405.0M
Q3 25
$445.6M
$385.2M
Q2 25
$452.8M
$429.2M
Q1 25
$310.5M
$419.2M
Q4 24
$310.3M
$459.1M
Q3 24
$298.4M
$479.3M
Q2 24
$240.1M
$511.3M
Q1 24
$232.8M
$521.1M
Debt / Equity
AMSC
AMSC
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
AMSC
AMSC
SST
SST
Operating Cash FlowLast quarter
$3.2M
$-10.6M
Free Cash FlowOCF − Capex
$2.4M
FCF MarginFCF / Revenue
3.2%
Capex IntensityCapex / Revenue
1.2%
0.0%
Cash ConversionOCF / Net Profit
0.03×
TTM Free Cash FlowTrailing 4 quarters
$16.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMSC
AMSC
SST
SST
Q4 25
$3.2M
$-10.6M
Q3 25
$6.5M
$-2.1M
Q2 25
$4.1M
$24.5M
Q1 25
$6.3M
$-15.9M
Q4 24
$5.9M
$772.0K
Q3 24
$12.7M
$-5.0K
Q2 24
$3.4M
$10.0M
Q1 24
$2.2M
$-16.0M
Free Cash Flow
AMSC
AMSC
SST
SST
Q4 25
$2.4M
Q3 25
$5.1M
Q2 25
$3.3M
Q1 25
$5.3M
$-16.0M
Q4 24
$5.3M
Q3 24
$12.1M
$-36.0K
Q2 24
$3.1M
Q1 24
$1.9M
FCF Margin
AMSC
AMSC
SST
SST
Q4 25
3.2%
Q3 25
7.7%
Q2 25
4.6%
Q1 25
7.9%
-21.5%
Q4 24
8.7%
Q3 24
22.3%
-0.0%
Q2 24
7.8%
Q1 24
4.6%
Capex Intensity
AMSC
AMSC
SST
SST
Q4 25
1.2%
0.0%
Q3 25
2.1%
0.0%
Q2 25
1.1%
0.0%
Q1 25
1.6%
0.1%
Q4 24
0.9%
0.0%
Q3 24
1.1%
0.0%
Q2 24
0.7%
0.0%
Q1 24
0.7%
0.0%
Cash Conversion
AMSC
AMSC
SST
SST
Q4 25
0.03×
Q3 25
1.37×
Q2 25
0.61×
Q1 25
5.22×
Q4 24
2.38×
Q3 24
2.60×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMSC
AMSC

Equipment And Systems$56.0M75%
Megatran$14.1M19%
Comtrafo Industria De Transformadores Eletricos SA$4.6M6%

SST
SST

Segment breakdown not available.

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