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NASDAQ: AMSC
American Superconductor Corp Stock Ownership - Who owns American Superconductor?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have American Superconductor Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Arthur H. HouseDirector2025-08-089,703$50.92
$494.08kSell
Arthur H. HouseDirector2025-08-069,703$6.80
$65.98kBuy
Daniel P. McGahnChairman President and CEO2025-08-0427,743$55.11
$1.53MSell
John W. Kosiba Jr.SVP CFO Treasurer2025-08-0434,260$54.34
$1.86MSell
John W. Kosiba Jr.SVP CFO Treasurer2025-08-0415,740$55.13
$867.73kSell
John W. Kosiba Jr.SVP CFO Treasurer2025-08-049,843$55.26
$543.92kSell
Daniel P. McGahnChairman President and CEO2025-08-0473,105$54.26
$3.97MSell
John W. Kosiba Jr.SVP CFO Treasurer2025-06-11300$29.08
$8.72kSell
Daniel P. McGahnChairman President and CEO2025-06-1112,315$28.56
$351.69kSell
Daniel P. McGahnChairman President and CEO2025-06-11500$29.09
$14.55kSell

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Net Insider Buy/Sell (L12M) Ownership

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AMSC Shareholders

What type of owners hold American Superconductor Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Kevin Douglas18.36%8,297,712$249.10MInsider
Michelle Douglas9.42%4,257,258$127.80MInsider
Blackrock Inc8.03%3,629,296$108.95MInstitution
Vanguard Group Inc6.53%2,949,801$88.55MInstitution
Baillie Gifford Co3.16%1,427,332$42.85MInstitution
Driehaus Capital Management LLC2.70%1,218,944$36.59MInstitution
Daniel P. McGahn2.67%1,205,010$36.17MInsider
Goldman Sachs Group Inc2.60%1,174,107$35.25MInstitution
State Street Corp2.51%1,135,878$34.10MInstitution
Geode Capital Management LLC2.37%1,069,855$32.12MInstitution

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AMSC vs Specialty Industrial Machinery Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AMSC67.75%32.25%Net Selling
TNC94.19%5.81%Net Selling
ENOV42.12%57.88%Net SellingNet Buying
BW15.97%84.03%Net BuyingNet Buying
GRC58.27%41.73%
View Top Specialty Industrial Machinery Stocks

American Superconductor Stock Ownership FAQ

Who owns American Superconductor?

American Superconductor (NASDAQ: AMSC) is owned by 72.37% institutional shareholders, 34.45% American Superconductor insiders, and 0.00% retail investors. Kevin Douglas is the largest individual American Superconductor shareholder, owning 8.30M shares representing 18.36% of the company. Kevin Douglas's American Superconductor shares are currently valued at $248.93M.

If you're new to stock investing, here's how to buy American Superconductor stock.
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