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Side-by-side financial comparison of AMERICAN SUPERCONDUCTOR CORP (AMSC) and READING INTERNATIONAL INC (RDI). Click either name above to swap in a different company.

AMERICAN SUPERCONDUCTOR CORP is the larger business by last-quarter revenue ($74.5M vs $50.3M, roughly 1.5× READING INTERNATIONAL INC). AMERICAN SUPERCONDUCTOR CORP runs the higher net margin — 158.1% vs -5.1%, a 163.2% gap on every dollar of revenue. On growth, AMERICAN SUPERCONDUCTOR CORP posted the faster year-over-year revenue change (21.4% vs -14.2%). READING INTERNATIONAL INC produced more free cash flow last quarter ($4.1M vs $2.4M). Over the past eight quarters, AMERICAN SUPERCONDUCTOR CORP's revenue compounded faster (33.2% CAGR vs 5.6%).

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.

The Reading Company was a Philadelphia-headquartered railroad that provided passenger and freight transport in eastern Pennsylvania and neighboring states from 1924 until its acquisition by Conrail in 1976.

AMSC vs RDI — Head-to-Head

Bigger by revenue
AMSC
AMSC
1.5× larger
AMSC
$74.5M
$50.3M
RDI
Growing faster (revenue YoY)
AMSC
AMSC
+35.6% gap
AMSC
21.4%
-14.2%
RDI
Higher net margin
AMSC
AMSC
163.2% more per $
AMSC
158.1%
-5.1%
RDI
More free cash flow
RDI
RDI
$1.8M more FCF
RDI
$4.1M
$2.4M
AMSC
Faster 2-yr revenue CAGR
AMSC
AMSC
Annualised
AMSC
33.2%
5.6%
RDI

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
AMSC
AMSC
RDI
RDI
Revenue
$74.5M
$50.3M
Net Profit
$117.8M
$-2.6M
Gross Margin
30.7%
Operating Margin
4.5%
-1.9%
Net Margin
158.1%
-5.1%
Revenue YoY
21.4%
-14.2%
Net Profit YoY
4679.1%
-14.5%
EPS (diluted)
$2.62
$-0.11

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
RDI
RDI
Q4 25
$74.5M
$50.3M
Q3 25
$65.9M
$52.2M
Q2 25
$72.4M
$60.4M
Q1 25
$66.7M
$40.2M
Q4 24
$61.4M
$58.6M
Q3 24
$54.5M
$60.1M
Q2 24
$40.3M
$46.8M
Q1 24
$42.0M
$45.1M
Net Profit
AMSC
AMSC
RDI
RDI
Q4 25
$117.8M
$-2.6M
Q3 25
$4.8M
$-4.2M
Q2 25
$6.7M
$-2.7M
Q1 25
$1.2M
$-4.8M
Q4 24
$2.5M
$-2.2M
Q3 24
$4.9M
$-7.0M
Q2 24
$-2.5M
$-12.8M
Q1 24
$-1.6M
$-13.2M
Gross Margin
AMSC
AMSC
RDI
RDI
Q4 25
30.7%
Q3 25
31.0%
Q2 25
33.8%
Q1 25
26.5%
Q4 24
26.6%
Q3 24
28.7%
Q2 24
30.3%
Q1 24
24.8%
Operating Margin
AMSC
AMSC
RDI
RDI
Q4 25
4.5%
-1.9%
Q3 25
4.5%
-0.6%
Q2 25
7.8%
4.8%
Q1 25
2.5%
-17.2%
Q4 24
2.1%
2.6%
Q3 24
-1.4%
-0.6%
Q2 24
-8.2%
-16.4%
Q1 24
-5.3%
-16.7%
Net Margin
AMSC
AMSC
RDI
RDI
Q4 25
158.1%
-5.1%
Q3 25
7.2%
-8.0%
Q2 25
9.3%
-4.4%
Q1 25
1.8%
-11.8%
Q4 24
4.0%
-3.8%
Q3 24
9.0%
-11.7%
Q2 24
-6.3%
-27.4%
Q1 24
-3.8%
-29.4%
EPS (diluted)
AMSC
AMSC
RDI
RDI
Q4 25
$2.62
$-0.11
Q3 25
$0.11
$-0.18
Q2 25
$0.17
$-0.12
Q1 25
$0.04
$-0.21
Q4 24
$0.06
$-0.11
Q3 24
$0.13
$-0.31
Q2 24
$-0.07
$-0.57
Q1 24
$-0.03
$-0.59

Balance Sheet & Financial Strength

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

Metric
AMSC
AMSC
RDI
RDI
Cash + ST InvestmentsLiquidity on hand
$141.1M
$10.5M
Total DebtLower is stronger
$185.1M
Stockholders' EquityBook value
$536.8M
$-18.2M
Total Assets
$719.5M
$434.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMSC
AMSC
RDI
RDI
Q4 25
$141.1M
$10.5M
Q3 25
$212.9M
$8.1M
Q2 25
$207.9M
$9.1M
Q1 25
$79.5M
$5.9M
Q4 24
$75.2M
$12.4M
Q3 24
$72.1M
$10.1M
Q2 24
$93.5M
$9.3M
Q1 24
$90.5M
$7.5M
Total Debt
AMSC
AMSC
RDI
RDI
Q4 25
$185.1M
Q3 25
Q2 25
Q1 25
Q4 24
$202.7M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AMSC
AMSC
RDI
RDI
Q4 25
$536.8M
$-18.2M
Q3 25
$342.2M
$-12.1M
Q2 25
$333.1M
$-7.7M
Q1 25
$197.1M
$-8.1M
Q4 24
$192.7M
$-4.4M
Q3 24
$187.0M
$1.6M
Q2 24
$143.3M
$6.5M
Q1 24
$144.6M
$18.0M
Total Assets
AMSC
AMSC
RDI
RDI
Q4 25
$719.5M
$434.9M
Q3 25
$445.6M
$435.2M
Q2 25
$452.8M
$438.1M
Q1 25
$310.5M
$441.0M
Q4 24
$310.3M
$471.0M
Q3 24
$298.4M
$495.7M
Q2 24
$240.1M
$494.9M
Q1 24
$232.8M
$494.9M

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
RDI
RDI
Operating Cash FlowLast quarter
$3.2M
$4.3M
Free Cash FlowOCF − Capex
$2.4M
$4.1M
FCF MarginFCF / Revenue
3.2%
8.2%
Capex IntensityCapex / Revenue
1.2%
0.3%
Cash ConversionOCF / Net Profit
0.03×
TTM Free Cash FlowTrailing 4 quarters
$16.0M
$-2.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMSC
AMSC
RDI
RDI
Q4 25
$3.2M
$4.3M
Q3 25
$6.5M
$295.0K
Q2 25
$4.1M
$1.6M
Q1 25
$6.3M
$-7.7M
Q4 24
$5.9M
$8.0M
Q3 24
$12.7M
$1.3M
Q2 24
$3.4M
$-10.4M
Q1 24
$2.2M
$-2.8M
Free Cash Flow
AMSC
AMSC
RDI
RDI
Q4 25
$2.4M
$4.1M
Q3 25
$5.1M
$-246.0K
Q2 25
$3.3M
$1.2M
Q1 25
$5.3M
$-8.0M
Q4 24
$5.3M
$7.0M
Q3 24
$12.1M
$-1.1M
Q2 24
$3.1M
$-10.6M
Q1 24
$1.9M
$-4.7M
FCF Margin
AMSC
AMSC
RDI
RDI
Q4 25
3.2%
8.2%
Q3 25
7.7%
-0.5%
Q2 25
4.6%
1.9%
Q1 25
7.9%
-19.8%
Q4 24
8.7%
12.0%
Q3 24
22.3%
-1.8%
Q2 24
7.8%
-22.7%
Q1 24
4.6%
-10.4%
Capex Intensity
AMSC
AMSC
RDI
RDI
Q4 25
1.2%
0.3%
Q3 25
2.1%
1.0%
Q2 25
1.1%
0.6%
Q1 25
1.6%
0.6%
Q4 24
0.9%
1.7%
Q3 24
1.1%
4.0%
Q2 24
0.7%
0.5%
Q1 24
0.7%
4.3%
Cash Conversion
AMSC
AMSC
RDI
RDI
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%

RDI
RDI

Cinema Exhibition Segment$46.9M93%
Real Estate Revenue$3.4M7%

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