American Superconductor Corp
AMSC30.580USD
-0.760-2.43%
Close 12/26, 16:00（ET）Quotes delayed by 15 min
1.38BMarket Cap
81.03P/E TTM
More Details of American Superconductor Corp Company
American Superconductor Corporation is a provider of megawatt-scale power resiliency solutions. The Company's solutions include Gridtec, Marinetec and Windtec. The Company, through its Gridtec solutions, provides engineering planning services and advanced grid systems that optimize network reliability, efficiency and performance. The Company, through its Marinetec solutions, provides ship protection and is developing propulsion and power management solutions designed to help fleets increase system efficiencies, enhance power quality and boost operational safety. The Company, through its Windtec solutions, provides wind turbine electronic controls and systems, designs and engineering services. The Company's segments include Grid and Wind. Its products include Utility Voltage Solutions, Turbine Designs, Renewable Interconnectivity Solutions, Power Converters, Generators & Drivetrains, Utility & Industrial Resilience and Modernization Solutions, and Electric Control Systems.
American Superconductor Corp Info
Ticker SymbolAMSC
Company nameAmerican Superconductor Corp
IPO dateDec 12, 1991
CEOMcgahn (Daniel P)
Number of employees569
Security typeOrdinary Share
Fiscal year-endDec 12
Address114 East Main Street
CityAYER
Stock exchangeNASDAQ OMX - NASDAQ BASIC
CountryUnited States of America
Postal code01432
Phone19788423000
Websitehttps://www.amsc.com/
Ticker SymbolAMSC
IPO dateDec 12, 1991
CEOMcgahn (Daniel P)
Company Executives of American Superconductor Corp
Name
Name/Position
Position
Shareholding
Change
Mr. Daniel P. Mcgahn
Mr. Daniel P. Mcgahn
Chairman of the Board, President, Chief Executive Officer
Chairman of the Board, President, Chief Executive Officer
1.20M
-7.78%
Mr. Arthur H. House
Mr. Arthur H. House
Lead Independent Director
Lead Independent Director
48.66K
--
Mr. John W. Kosiba, Jr.
Mr. John W. Kosiba, Jr.
Senior Vice President, Chief Financial Officer, Treasurer
Senior Vice President, Chief Financial Officer, Treasurer
--
--
Ms. Laura A. Dambier
Ms. Laura A. Dambier
Independent Director
Independent Director
--
--
Ms. Margaret D. Klein
Ms. Margaret D. Klein
Independent Director
Independent Director
--
--
Ms. Barbara G. Littlefield
Ms. Barbara G. Littlefield
Independent Director
Independent Director
--
--
Mr. David R. Oliver, Jr.
Mr. David R. Oliver, Jr.
Independent Director
Independent Director
--
--
Ms. Carolyn Capaccio
Ms. Carolyn Capaccio
Investor Relations
Investor Relations
--
--
Mr. Terence R. Donnelly
Mr. Terence R. Donnelly
Independent Director
Independent Director
--
--
Name
Name/Position
Position
Shareholding
Change
Mr. Daniel P. Mcgahn
Mr. Daniel P. Mcgahn
Chairman of the Board, President, Chief Executive Officer
Chairman of the Board, President, Chief Executive Officer
1.20M
-7.78%
Mr. Arthur H. House
Mr. Arthur H. House
Lead Independent Director
Lead Independent Director
48.66K
--
Mr. John W. Kosiba, Jr.
Mr. John W. Kosiba, Jr.
Senior Vice President, Chief Financial Officer, Treasurer
Senior Vice President, Chief Financial Officer, Treasurer
--
--
Ms. Laura A. Dambier
Ms. Laura A. Dambier
Independent Director
Independent Director
--
--
Ms. Margaret D. Klein
Ms. Margaret D. Klein
Independent Director
Independent Director
--
--
Ms. Barbara G. Littlefield
Ms. Barbara G. Littlefield
Independent Director
Independent Director
--
--
Revenue Breakdown
Currency: USDUpdated: Mon, Oct 6
Currency: USDUpdated: Mon, Oct 6
FY2026Q1
FY2025
FY2025Q4
FY2025Q3
FY2025Q2
FY2025Q1
FY2024
FY2024Q4
FY2024Q3
FY2024Q2
FY2024Q1
FY2023
FY2023Q4
FY2023Q3
FY2023Q2
FY2023Q1
FY2022
FY2021
FY2020
FY2019
By BusinessUSD
Name
Revenue
Proportion
Equipment and systems
67.40M
93.15%
Services and technology development
4.96M
6.85%
By RegionUSD
Name
Revenue
Proportion
Americas
38.02M
52.54%
Asia Pacific
30.57M
42.26%
EMEA
3.76M
5.20%
By Business
By Region
By BusinessUSD
Name
Revenue
Proportion
Equipment and systems
67.40M
93.15%
Services and technology development
4.96M
6.85%
Shareholding Stats
Updated: Fri, Nov 21
Updated: Fri, Nov 21
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
6.82%
The Vanguard Group, Inc.
6.51%
Baillie Gifford & Co.
3.16%
Driehaus Capital Management, LLC
2.70%
McGahn (Daniel P)
2.65%
Other
78.17%
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
6.82%
The Vanguard Group, Inc.
6.51%
Baillie Gifford & Co.
3.16%
Driehaus Capital Management, LLC
2.70%
McGahn (Daniel P)
2.65%
Other
78.17%
Shareholder Types
Shareholders
Proportion
Investment Advisor
38.85%
Investment Advisor/Hedge Fund
23.44%
Hedge Fund
7.79%
Individual Investor
3.83%
Research Firm
2.95%
Pension Fund
0.47%
Bank and Trust
0.44%
Insurance Company
0.03%
Family Office
0.03%
Other
22.18%
Institutional Shareholding
Updated: Mon, Dec 8
Updated: Mon, Dec 8
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q4
500
33.48M
82.04%
-5.25K
2025Q3
501
33.49M
81.95%
-637.69K
2025Q2
441
33.37M
68.73%
+5.29M
2025Q1
405
28.15M
78.38%
-2.80M
2024Q4
385
28.28M
78.00%
-367.97K
2024Q3
339
28.13M
79.52%
-334.06K
2024Q2
286
27.84M
68.15%
+4.39M
2024Q1
261
23.43M
52.65%
+3.98M
2023Q4
244
16.35M
58.98%
+2.90M
2023Q3
228
13.88M
60.76%
+98.08K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
2.84M
6.3%
+120.83K
+4.44%
Jun 30, 2025
The Vanguard Group, Inc.
2.44M
5.39%
+156.33K
+6.86%
Jun 30, 2025
Baillie Gifford & Co.
1.45M
3.22%
-66.21K
-4.36%
Jun 30, 2025
Driehaus Capital Management, LLC
839.85K
1.86%
+4.00
+0.00%
Jun 30, 2025
McGahn (Daniel P)
1.20M
2.65%
-100.85K
-7.78%
Aug 04, 2025
State Street Investment Management (US)
1.02M
2.26%
+130.12K
+14.62%
Jun 30, 2025
Geode Capital Management, L.L.C.
940.11K
2.08%
+58.43K
+6.63%
Jun 30, 2025
Emerald Advisers LLC
713.97K
1.58%
+662.65K
+1291.32%
Jun 30, 2025
Nuveen LLC
986.27K
2.18%
+210.57K
+27.15%
Jun 30, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
ProShares S&P Kensho Cleantech ETF
8.89%
ALPS Clean Energy ETF
3.75%
State Street SPDR S&P Kensho Clean Power ETF
3.02%
Invesco Dorsey Wright Industrials Momentum ETF
1.45%
First Trust Global Wind Energy ETF
1.29%
First Trust NASDAQ Clean Edge Green Energy Index Fund
1.2%
Invesco WilderHill Clean Energy ETF
0.97%
Invesco NASDAQ Future Gen 200 ETF
0.64%
iShares Micro-Cap ETF
0.5%
Janus Henderson Small Cap Growth Alpha ETF
0.48%
View more
ProShares S&P Kensho Cleantech ETF
Proportion8.89%
ALPS Clean Energy ETF
Proportion3.75%
State Street SPDR S&P Kensho Clean Power ETF
Proportion3.02%
Invesco Dorsey Wright Industrials Momentum ETF
Proportion1.45%
First Trust Global Wind Energy ETF
Proportion1.29%
First Trust NASDAQ Clean Edge Green Energy Index Fund
Proportion1.2%
Invesco WilderHill Clean Energy ETF
Proportion0.97%
Invesco NASDAQ Future Gen 200 ETF
Proportion0.64%
iShares Micro-Cap ETF
Proportion0.5%
Janus Henderson Small Cap Growth Alpha ETF
Proportion0.48%
Dividend
A total of
0.00
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data
Stock Split
Date
Type
Ratio
No Data
Date
Type
Ratio
No Data
FAQs
Who are the top five shareholders of American Superconductor Corp?
The top five shareholders of American Superconductor Corp are:
BlackRock Institutional Trust Company, N.A. holds 2.84M shares, accounting for 6.30% of the total shares.
The Vanguard Group, Inc. holds 2.44M shares, accounting for 5.39% of the total shares.
Baillie Gifford & Co. holds 1.45M shares, accounting for 3.22% of the total shares.
Driehaus Capital Management, LLC holds 839.85K shares, accounting for 1.86% of the total shares.
McGahn (Daniel P) holds 1.20M shares, accounting for 2.65% of the total shares.
BlackRock Institutional Trust Company, N.A. holds 2.84M shares, accounting for 6.30% of the total shares.
The Vanguard Group, Inc. holds 2.44M shares, accounting for 5.39% of the total shares.
Baillie Gifford & Co. holds 1.45M shares, accounting for 3.22% of the total shares.
Driehaus Capital Management, LLC holds 839.85K shares, accounting for 1.86% of the total shares.
McGahn (Daniel P) holds 1.20M shares, accounting for 2.65% of the total shares.
What are the top three shareholder types of American Superconductor Corp?
The top three shareholder types of American Superconductor Corp are:
BlackRock Institutional Trust Company, N.A.
The Vanguard Group, Inc.
Baillie Gifford & Co.
BlackRock Institutional Trust Company, N.A.
The Vanguard Group, Inc.
Baillie Gifford & Co.
How many institutions hold shares of American Superconductor Corp (AMSC)?
As of 2025Q4, 500 institutions hold shares of American Superconductor Corp, with a combined market value of approximately 33.48M, accounting for 82.04% of the total shares. Compared to 2025Q3, institutional shareholding has increased by 0.09%.
What is the biggest source of revenue for American Superconductor Corp?
In FY2026Q1, the Equipment and systems business generated the highest revenue for American Superconductor Corp, amounting to 67.40M and accounting for 93.15% of total revenue.
