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American Superconductor
AMSC
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Overview
Overview
News
News
Posts
Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Institutions
74.84%
Public and others
21.71%
Individuals & Insiders
3.45%
Private companies
<0.01%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
BlackRock, Inc.
8.45%
4.10M
0.09%
+112.72K
06/30/2026
Vanguard Capital Management, LLC
4.90%
2.37M
0.07%
+6.64K
06/30/2026
Barrow, Hanley, Mewhinney & Strauss, LLC
3.52%
1.70M
1.12%
+564.21K
06/30/2026
UBS Asset Management AG
3.14%
1.52M
1.69%
+832.15K
06/30/2026
Vanguard Portfolio Management, LLC
2.93%
1.42M
0.66%
-292.81K
06/30/2026
Emerald Advisers, LLC
2.85%
1.38M
0.34%
+186.63K
06/30/2026
State Street Investment Management
2.80%
1.36M
0.16%
+97.15K
06/30/2026
Geode Capital Management, LLC
2.57%
1.24M
0.11%
+74.05K
06/30/2026
First Trust Advisors LP
2.41%
1.17M
0.78%
+390.16K
06/30/2026
Daniel McGahn
Chairman, President & CEO
2.36%
1.15M
0.15%
-50.75K
06/11/2026
Goldman Sachs Asset Management, L.P.
2.10%
1.02M
1.04%
+511.88K
06/30/2026
Oberweis Asset Management, Inc.
2.04%
987.50K
0.25%
+137.60K
06/30/2026
AWM Investment Company Inc
1.96%
951.60K
0.28%
+150.00K
06/30/2026
Baillie Gifford & Co.
1.93%
933.31K
1.11%
-514.11K
06/30/2026
Legal & General Investment Management Limited
1.56%
756.86K
0.45%
+226.73K
06/30/2026
T. Rowe Price Group, Inc.
1.34%
650.05K
1.22%
+591.44K
06/30/2026
Dimensional Fund Advisors LP
1.33%
645.99K
0.05%
-12.31K
06/30/2026
Teachers Insurance and Annuity Association-College Retirement Equities Fund
1.28%
620.31K
0.82%
-381.81K
06/30/2026
Telemark Asset Management, LLC
1.24%
600.00K
0.02%
+0
06/30/2026
Morgan Stanley
1.20%
580.96K
0.02%
+19.00
06/30/2026