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American Superconductor Corp

AMSC
Exchange
Nasdaq
Industry
Motors & Generators
SEC CIK
0000880807

No open-market purchases or sales by American Superconductor Corp insiders were filed in the last 90 days; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.47B in total; no superinvestor holds it.

Q3 2023 vs. Q2 2023

How the institutions holding American Superconductor Corp changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of AMSC: Q2 2023 compared with Q3 2023
MeasureQ2 2023Q3 2023Change
Holders7772−5
Shares13.1M13.2M+141.2K (+1.1%)
Value$81.9M$100.0M+$18.0M (+22.0%)

New holders (13)

Institutions that held American Superconductor Corp at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to AMSC in Q3 2023
InstitutionSharesValue% of portfolio
Essex Investment Management Co LLC700,833$5.29M0.86%
Trexquant Investment LP170,880$1.29M0.03%
Legato Capital Management LLC89,667$677.0K0.10%
Assenagon Asset Management S.A.49,182$371.3K0.00%
Virtu Financial LLC37,823$286.0K0.03%
Bank of Montreal21,000$209.4K0.00%
Verition Fund Management LLC21,600$163.1K0.00%
Jefferies Financial Group Inc.21,300$160.8K0.00%
Goldman Sachs Group Inc20,665$156.0K0.00%
GPS Wealth Strategies Group, LLC17,487$132.0K0.03%
Citigroup Inc12,141$91.7K0.00%
Arrow Financial Corp345$2.60K0.00%
Aspire Private Capital, LLC100$7550.00%

Sold out (18)

Institutions that held American Superconductor Corp at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of AMSC in Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
KBC Group NV459,007$2.87M
Renaissance Technologies LLC69,489$435.0K
Quinn Opportunity Partners LLC62,661$392.3K
JPMorgan Chase & Co56,610$354.4K
XTX Topco Ltd30,393$190.3K
Marshall Wace, LLP29,760$186.3K
HRT Financial LP22,760$142.0K
Prescott Group Capital Management, L.L.C.20,200$126.0K
Journey Strategic Wealth LLC17,375$108.8K
Quadrature Capital Ltd17,124$107.2K
Jane Street Group, LLC15,719$98.4K
Campbell & CO Investment Adviser LLC14,236$89.1K
Vontobel Holding Ltd.14,000$87.6K
Zacks Investment Management12,000$75.1K
Point72 Asset Management, L.P.1,797$11.2K
Quantbot Technologies LP1,700$10.6K
Tilia Fiduciary Partners, Inc.1,100$6.89K
Simplex Trading, LLC600$3.00K