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

NPK International Inc. is the larger business by last-quarter revenue ($75.2M vs $74.5M, roughly 1.0× AMERICAN SUPERCONDUCTOR CORP). On growth, NPK International Inc. posted the faster year-over-year revenue change (30.7% vs 21.4%). NPK International Inc. produced more free cash flow last quarter ($5.8M vs $2.4M). Over the past eight quarters, AMERICAN SUPERCONDUCTOR CORP's revenue compounded faster (33.2% CAGR vs 23.9%).

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.

AMSC vs NPKI — Head-to-Head

Bigger by revenue
NPKI
NPKI
1.0× larger
NPKI
$75.2M
$74.5M
AMSC
Growing faster (revenue YoY)
NPKI
NPKI
+9.3% gap
NPKI
30.7%
21.4%
AMSC
More free cash flow
NPKI
NPKI
$3.4M more FCF
NPKI
$5.8M
$2.4M
AMSC
Faster 2-yr revenue CAGR
AMSC
AMSC
Annualised
AMSC
33.2%
23.9%
NPKI

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
AMSC
AMSC
NPKI
NPKI
Revenue
$74.5M
$75.2M
Net Profit
$117.8M
Gross Margin
30.7%
37.7%
Operating Margin
4.5%
16.7%
Net Margin
158.1%
Revenue YoY
21.4%
30.7%
Net Profit YoY
4679.1%
EPS (diluted)
$2.62
$0.17

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
NPKI
NPKI
Q4 25
$74.5M
$75.2M
Q3 25
$65.9M
$68.8M
Q2 25
$72.4M
$68.2M
Q1 25
$66.7M
$64.8M
Q4 24
$61.4M
$57.5M
Q3 24
$54.5M
$44.2M
Q2 24
$40.3M
$66.8M
Q1 24
$42.0M
$49.0M
Net Profit
AMSC
AMSC
NPKI
NPKI
Q4 25
$117.8M
Q3 25
$4.8M
$5.7M
Q2 25
$6.7M
$8.7M
Q1 25
$1.2M
$10.0M
Q4 24
$2.5M
Q3 24
$4.9M
$-174.3M
Q2 24
$-2.5M
$8.0M
Q1 24
$-1.6M
$7.3M
Gross Margin
AMSC
AMSC
NPKI
NPKI
Q4 25
30.7%
37.7%
Q3 25
31.0%
31.9%
Q2 25
33.8%
36.9%
Q1 25
26.5%
39.0%
Q4 24
26.6%
39.2%
Q3 24
28.7%
27.5%
Q2 24
30.3%
37.2%
Q1 24
24.8%
36.0%
Operating Margin
AMSC
AMSC
NPKI
NPKI
Q4 25
4.5%
16.7%
Q3 25
4.5%
13.2%
Q2 25
7.8%
17.0%
Q1 25
2.5%
20.9%
Q4 24
2.1%
20.2%
Q3 24
-1.4%
2.8%
Q2 24
-8.2%
18.7%
Q1 24
-5.3%
14.2%
Net Margin
AMSC
AMSC
NPKI
NPKI
Q4 25
158.1%
Q3 25
7.2%
8.2%
Q2 25
9.3%
12.7%
Q1 25
1.8%
15.4%
Q4 24
4.0%
Q3 24
9.0%
-394.3%
Q2 24
-6.3%
12.0%
Q1 24
-3.8%
14.9%
EPS (diluted)
AMSC
AMSC
NPKI
NPKI
Q4 25
$2.62
$0.17
Q3 25
$0.11
$0.07
Q2 25
$0.17
$0.10
Q1 25
$0.04
$0.11
Q4 24
$0.06
$0.10
Q3 24
$0.13
$-1.99
Q2 24
$-0.07
$0.09
Q1 24
$-0.03
$0.08

Balance Sheet & Financial Strength

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

Metric
AMSC
AMSC
NPKI
NPKI
Cash + ST InvestmentsLiquidity on hand
$141.1M
$5.1M
Total DebtLower is stronger
$16.9M
Stockholders' EquityBook value
$536.8M
$351.2M
Total Assets
$719.5M
$441.8M
Debt / EquityLower = less leverage
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMSC
AMSC
NPKI
NPKI
Q4 25
$141.1M
$5.1M
Q3 25
$212.9M
$35.6M
Q2 25
$207.9M
$26.0M
Q1 25
$79.5M
$20.8M
Q4 24
$75.2M
$17.8M
Q3 24
$72.1M
$42.9M
Q2 24
$93.5M
$35.1M
Q1 24
$90.5M
$37.7M
Total Debt
AMSC
AMSC
NPKI
NPKI
Q4 25
$16.9M
Q3 25
$9.5M
Q2 25
$9.3M
Q1 25
$8.1M
Q4 24
$7.7M
Q3 24
$14.0M
Q2 24
$58.0M
Q1 24
$77.4M
Stockholders' Equity
AMSC
AMSC
NPKI
NPKI
Q4 25
$536.8M
$351.2M
Q3 25
$342.2M
$333.9M
Q2 25
$333.1M
$328.8M
Q1 25
$197.1M
$326.9M
Q4 24
$192.7M
$326.5M
Q3 24
$187.0M
$316.5M
Q2 24
$143.3M
$426.6M
Q1 24
$144.6M
$421.6M
Total Assets
AMSC
AMSC
NPKI
NPKI
Q4 25
$719.5M
$441.8M
Q3 25
$445.6M
$404.5M
Q2 25
$452.8M
$393.7M
Q1 25
$310.5M
$390.0M
Q4 24
$310.3M
$393.7M
Q3 24
$298.4M
$389.6M
Q2 24
$240.1M
$624.8M
Q1 24
$232.8M
$640.8M
Debt / Equity
AMSC
AMSC
NPKI
NPKI
Q4 25
0.05×
Q3 25
0.03×
Q2 25
0.03×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.04×
Q2 24
0.14×
Q1 24
0.18×

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
NPKI
NPKI
Operating Cash FlowLast quarter
$3.2M
$18.0M
Free Cash FlowOCF − Capex
$2.4M
$5.8M
FCF MarginFCF / Revenue
3.2%
7.6%
Capex IntensityCapex / Revenue
1.2%
16.3%
Cash ConversionOCF / Net Profit
0.03×
TTM Free Cash FlowTrailing 4 quarters
$16.0M
$26.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMSC
AMSC
NPKI
NPKI
Q4 25
$3.2M
$18.0M
Q3 25
$6.5M
$24.7M
Q2 25
$4.1M
$21.4M
Q1 25
$6.3M
$8.8M
Q4 24
$5.9M
$-4.1M
Q3 24
$12.7M
$2.8M
Q2 24
$3.4M
$27.6M
Q1 24
$2.2M
$11.9M
Free Cash Flow
AMSC
AMSC
NPKI
NPKI
Q4 25
$2.4M
$5.8M
Q3 25
$5.1M
$12.0M
Q2 25
$3.3M
$9.7M
Q1 25
$5.3M
$-1.2M
Q4 24
$5.3M
$-17.7M
Q3 24
$12.1M
$-6.7M
Q2 24
$3.1M
$21.0M
Q1 24
$1.9M
$-1.9M
FCF Margin
AMSC
AMSC
NPKI
NPKI
Q4 25
3.2%
7.6%
Q3 25
7.7%
17.4%
Q2 25
4.6%
14.3%
Q1 25
7.9%
-1.8%
Q4 24
8.7%
-30.8%
Q3 24
22.3%
-15.2%
Q2 24
7.8%
31.4%
Q1 24
4.6%
-3.9%
Capex Intensity
AMSC
AMSC
NPKI
NPKI
Q4 25
1.2%
16.3%
Q3 25
2.1%
18.5%
Q2 25
1.1%
17.1%
Q1 25
1.6%
15.5%
Q4 24
0.9%
23.6%
Q3 24
1.1%
21.4%
Q2 24
0.7%
9.9%
Q1 24
0.7%
28.3%
Cash Conversion
AMSC
AMSC
NPKI
NPKI
Q4 25
0.03×
Q3 25
1.37×
4.37×
Q2 25
0.61×
2.47×
Q1 25
5.22×
0.88×
Q4 24
2.38×
Q3 24
2.60×
Q2 24
3.43×
Q1 24
1.64×

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%

NPKI
NPKI

Rental Revenue$34.8M46%
Products$25.5M34%
Services$14.9M20%

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