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American Superconductor Corp
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29.370USD
-0.080-0.27%
Close 07-31 16:00（ET）Quotes delayed by 15 min
1.42BMarket Cap
9.45P/E TTM
Shareholding Stats
Updated: Thu, May 14
Updated: Thu, May 14
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
6.68%
Vanguard Capital Management, LLC
4.28%
Vanguard Portfolio Management, LLC
3.60%
Baillie Gifford & Co.
3.04%
Emerald Advisers LLC
2.51%
Other
79.89%
Shareholders
Shareholders
Proportion
BlackRock Institutional Trust Company, N.A.
6.68%
Vanguard Capital Management, LLC
4.28%
Vanguard Portfolio Management, LLC
3.60%
Baillie Gifford & Co.
3.04%
Emerald Advisers LLC
2.51%
Other
79.89%
Shareholder Types
Shareholders
Proportion
Investment Advisor
39.66%
Investment Advisor/Hedge Fund
18.99%
Hedge Fund
9.29%
Individual Investor
3.68%
Research Firm
3.60%
Bank and Trust
0.59%
Pension Fund
0.50%
Insurance Company
0.03%
Venture Capital
0.02%
Other
23.63%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
543
34.12M
71.67%
-4.93M
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
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
3.18M
6.68%
+99.22K
+3.22%
Dec 31, 2025
Baillie Gifford & Co.
1.51M
3.16%
+79.51K
+5.57%
Dec 31, 2025
Emerald Advisers LLC
1.19M
2.51%
+363.89K
+43.90%
Dec 31, 2025
McGahn (Daniel P)
1.20M
2.51%
-100.85K
-7.78%
Aug 04, 2025
State Street Investment Management (US)
1.19M
2.5%
+56.22K
+4.95%
Dec 31, 2025
Geode Capital Management, L.L.C.
1.09M
2.29%
+20.86K
+1.95%
Dec 31, 2025
Atreides Management, LP
1.04M
2.19%
+272.70K
+35.35%
Dec 31, 2025
Nuveen LLC
941.45K
1.98%
+135.21K
+16.77%
Dec 31, 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%