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American Superconductor Corp (AMSC)

Sector
Industrials
Industry
Specialty Industrial Machinery
Last price
$28.19
As of

Kresmion compiles this page from AMSC's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.

AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC): 4 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-09-21.

As of . Source: SEC EDGAR filings for AMSC. Method and limitations.

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You are seeing 5 of 14 events recorded on AMSC since 2026-05-16.

The five above landed across 3 days. The other 9 were recorded on 4 other days.

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Largest reported share positions in AMSC (2026Q2)

Manager / securityMarket value% portfolioQoQ
D. E. Shaw & Co., Inc.CUSIP 030111207 · 2026Q2$15.2M0.01%,
MILLENNIUM MANAGEMENT LLCCUSIP 030111207 · 2026Q2$4.2M0.00%,
TWO SIGMA INVESTMENTS, LPCUSIP 030111207 · 2026Q2$3.8M0.00%,
CITADEL ADVISORS LLCCUSIP 030111207 · 2026Q2$852K0.00%,

Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.

Recent SEC filings, AMSC

AMSC against its peers

AMSC's operating margin of 3.8% ranks in the 14th percentile of 17 Specialty Industrial Machinery sub-industry peers, fiscal periods ending between 2025-09-30 and 2026-06-30.

MetricAMSCPeer medianPercentilen
Revenue FY299M USD892M USD1417
Gross margin30.5%39.1%3117
Operating margin3.8%12.6%1417
Net margin44.7%5.8%9717
Return on equity24.1%7.5%9717
P / E9.2x37.1x413

Peers (18): GRC, THR.D, HLIO, GHM, KRNT, BW, NNE, PKOH, SXI, CXT, LXFR, MIR, FELE, CSW, MIDD, TWIN, NPO, GTES. Left out: NWCL (no annual filing), ATS (period gap), MFP (no annual filing), EROC (no annual filing), FLIDY (no annual filing), XE (no annual filing), IPGLF (no annual filing). Fiscal periods ending between 2025-09-30 and 2026-06-30. Every figure is one full fiscal year read from one annual filing (AMSC: 10-K), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.

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