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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
Daniel P. McGahnChairman President and CEO2026-06-1111,508$37.28
$429.04kSell
John W. Kosiba Jr.SVP CFO Treasurer2026-06-111,743$37.85
$65.98kSell
John W. Kosiba Jr.SVP CFO Treasurer2026-06-115,026$37.33
$187.61kSell
Daniel P. McGahnChairman President and CEO2026-06-114,609$37.85
$174.46kSell
John W. Kosiba Jr.SVP CFO Treasurer2026-06-081,549$42.35
$65.60kSell
Daniel P. McGahnChairman President and CEO2026-06-084,678$42.19
$197.38kSell
Daniel P. McGahnChairman President and CEO2026-06-084,992$41.39
$206.61kSell
John W. Kosiba Jr.SVP CFO Treasurer2026-06-083,286$41.50
$136.37kSell
Daniel P. McGahnChairman President and CEO2026-06-037,075$48.31
$341.77kSell
John W. Kosiba Jr.SVP CFO Treasurer2026-06-033,200$48.31
$154.58kSell

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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 Douglas17.40%8,297,712$305.19MInsider
Michelle Douglas8.93%4,257,258$156.58MInsider
Blackrock Inc8.35%3,982,650$146.48MInstitution
Vanguard Capital Management LLC4.28%2,039,468$75.01MInstitution
Vanguard Portfolio Management LLC3.59%1,711,677$62.96MInstitution
Baillie Gifford Co3.03%1,447,419$53.24MInstitution
State Street Corp2.64%1,261,071$46.38MInstitution
Geode Capital Management LLC2.45%1,169,152$43.00MInstitution
Daniel P. McGahn2.42%1,154,261$42.45MInsider
Barrow Hanley Mewhinney Strauss LLC2.39%1,139,793$41.92MInstitution

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AMSC vs Specialty Industrial Machinery Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AMSC68.13%31.87%Net SellingNet Selling
EPAC92.82%7.18%Net SellingNet Selling
CYD21.42%0.00%
BW28.94%71.06%Net SellingNet Buying
GRC59.69%40.31%
View Top Specialty Industrial Machinery Stocks

American Superconductor Stock Ownership FAQ

Who owns American Superconductor?

American Superconductor (NASDAQ: AMSC) is owned by 69.54% institutional shareholders, 32.53% American Superconductor insiders, and 0.00% retail investors. Kevin Douglas is the largest individual American Superconductor shareholder, owning 8.30M shares representing 17.40% of the company. Kevin Douglas's American Superconductor shares are currently valued at $327.84M.

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