AMERICAN SUPERCONDUCTOR CORP

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AMSC·030111207·US·Common Stock·Industrials - Specialty Industrial Machinery-13D/G

AMSC (AMERICAN SUPERCONDUCTOR CORP) is held by 134 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($170M), VANGUARD CAPITAL MANAGEMENT LLC ($84.4M), BARROW HANLEY MEWHINNEY & STRAUSS LLC ($70.7M). Net institutional sentiment: Mixed.

134

Holders

(10 Elite)

$1.1B

Total Value

56% (140)

Consensus

79 buying - 61 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)67

Insider (Form 4)75

Activist (13D/13G)64

Congressional (STOCK Act)28

Holder Quality

29

★★★★★

Elite

17

★★★★

Strong

37

★★★

Solid

75

★★

Below

82

★

Weak

Held by 134 funds

10 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Jun 12, 2026 · Activists Jul 31, 2026 · Congress none

ActivistVAVanguard Capital Management4.9%Jul 31, 2026

InsiderMPMcGahn Daniel PSell $429KJun 11, 2026

InsiderDADambier Laura A.Sell $151KJun 11, 2026

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Top Holders

Top Holders (134)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	4.1M(+2.8%)	$170M	0.0%	+3.99%	31
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	2M(-0.3%)	$84.4M	0.0%	-5.15%	0
BARROW HANLEY MEWHINNEY & STRAUSS LLC	Increased	1.7M(+49.5%)	$70.7M	0.2%	-14.62%	49
UBS Group AG	Increased	1.4M(+138.3%)	$59.3M	0.0%	-17.88%	48
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Decreased	1.4M(-17.1%)	$58.9M	0.0%	-5.15%	0
STATE STREET CORP	Increased	1.4M(+7.7%)	$56.4M	0.0%	+10.20%	32
GOLDMAN SACHS GROUP INC	Increased	1.3M(+82.4%)	$53.7M	0.0%	-21.03%	45
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.2M(+6.3%)	$51.6M	0.0%	+13.03%	31
FIRST TRUST ADVISORS LP	Increased	1.2M(+50.1%)	$48.5M	0.0%	-12.62%	41
BAILLIE GIFFORD & CO	Decreased	933,308(-35.5%)	$38.7M	0.0%	+85.59%	0
Legal & General Group Plc	Increased	756,863(+42.8%)	$31.4M	0.0%	-7.62%	39
DIMENSIONAL FUND ADVISORS LP	Decreased	645,991(-1.9%)	$26.8M	0.0%	+96.14%	0
MORGAN STANLEY	Increased	635,833(+0.3%)	$26.4M	0.0%	+9.94%	29
Nuveen, LLC	Decreased	628,406(-38.5%)	$26.1M	0.0%	+22.94%	0
ROYCE & ASSOCIATES LP	Increased	555,821(+2.4%)	$23.1M	0.2%	+79.30%	35
NORTHERN TRUST CORP	Increased	433,792(+10.3%)	$18M	0.0%	+5.48%	31
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	399,125(+3.6%)	$16.6M	0.0%	-0.56%	29
PANAGORA ASSET MANAGEMENT INC	Increased	375,515(+46.5%)	$15.6M	0.0%	-11.02%	38
DED. E. Shaw & Co., Inc.	Decreased	366,845(-35.4%)	$15.2M	0.0%	-40.56%	0
BNP PARIBAS FINANCIAL MARKETS	Decreased	366,437(-16.1%)	$15.2M	0.0%	-14.96%	0

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AMSCAMERICAN SUPERCONDUCTOR CORP

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer