AMSC

AMERICAN SUPERCONDUCTOR CORP

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

AMSC (AMERICAN SUPERCONDUCTOR CORP) is held by 136 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.

136
Holders
(9 Elite)
$1.2B
Total Value
56% (142)
Consensus
79 buying - 63 selling
13F: Insider & Congress: Updated regularly
AMSC

Smart Money Verdict

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Held by 136 funds
9 elite

Who's Trading

Source dates: Price Oct 15, 2026 · Insiders Sep 21, 2026 · Activists Jul 31, 2026 · Congress none

InsiderLGLittlefield Barbara G.Vest 2K shSep 18, 2026
ActivistVAVanguard Capital Management4.9%Jul 31, 2026
InsiderMPMcGahn Daniel PSell $429KJun 11, 2026
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Top Holders

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Action
Increased
4.1M(+2.8%)$170M0.0%-1.65%
31
Decreased
2M(-0.3%)$84.4M0.0%-20.56%
0
Increased
1.7M(+49.5%)$70.7M0.2%-26.10%
49
Increased
1.4M(+138.3%)$59.3M0.0%-24.92%
48
Decreased
1.4M(-17.1%)$58.9M0.0%-20.56%
0
Increased
1.4M(+7.7%)$56.4M0.0%-0.24%
32
Increased
1.3M(+82.4%)$53.7M0.0%-25.74%
45
Increased
1.2M(+6.3%)$51.6M0.0%+2.29%
31
Increased
1.2M(+50.1%)$48.5M0.0%-20.43%
41
Decreased
933,308(-35.5%)$38.7M0.0%+70.51%
0
Increased
756,863(+42.8%)$31.4M0.0%-18.52%
39
Decreased
645,991(-1.9%)$26.8M0.0%+60.95%
0
Increased
635,833(+0.3%)$26.4M0.0%+0.78%
29
Decreased
628,406(-38.5%)$26.1M0.0%+13.14%
0
Increased
555,821(+2.4%)$23.1M0.2%+56.79%
35
Increased
433,792(+10.3%)$18M0.0%-4.86%
31
Increased
399,125(+3.6%)$16.6M0.0%-9.54%
29
Increased
375,515(+46.5%)$15.6M0.0%-18.35%
38
Decreased
366,845(-35.4%)$15.2M0.0%-45.45%
0
Decreased
366,437(-16.1%)$15.2M0.0%-26.78%
0

Showing 1-20 of 147

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AMSCAMSCAMERICAN SUPERCONDUCTOR CORP

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

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