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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.

Q2 2023 vs. Q1 2023

How the institutions holding American Superconductor Corp changed between Q1 2023 and Q2 2023.

All holders in Q2 2023All holders in Q1 2023

13F holders of AMSC: Q1 2023 compared with Q2 2023
MeasureQ1 2023Q2 2023Change
Holders7477+3
Shares13.1M13.1M−46.0K (−0.4%)
Value$64.6M$81.9M+$17.4M (+26.9%)

New holders (14)

Institutions that held American Superconductor Corp at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to AMSC in Q2 2023
InstitutionSharesValue% of portfolio
EAM Investors, LLC276,274$1.73M0.32%
XTX Topco Ltd30,393$190.3K0.03%
Marshall Wace, LLP29,760$186.3K0.00%
Campbell & CO Investment Adviser LLC14,236$89.1K0.02%
GTS Securities LLC14,074$88.1K0.00%
Zacks Investment Management12,000$75.1K0.00%
Qube Research & Technologies Ltd10,672$66.8K0.00%
LPL Financial LLC10,439$65.3K0.00%
Two Sigma Investments, LP10,000$62.6K0.00%
Quarry LP3,153$19.7K0.01%
Point72 Asset Management, L.P.1,797$11.2K0.00%
Quantbot Technologies LP1,700$10.6K0.00%
Rhumbline Advisers1,388$8.69K0.00%
Cutler Group LP611$3.00K0.00%

Sold out (11)

Institutions that held American Superconductor Corp at the end of Q1 2023 and filed for Q2 2023 without it.

Institutions that sold out of AMSC in Q2 2023
InstitutionShares, Q1 2023Value, Q1 2023
Goldman Sachs Group Inc24,816$121.8K
State of Wisconsin Investment Board20,500$100.7K
Tower Research Capital LLC (TRC)18,812$92.0K
Squarepoint Ops LLC16,818$82.6K
Man Group plc–$72.7K
Point72 Middle East FZE1,503$7.38K
Johnson Financial Group, Inc.992$4.87K
Slow Capital, Inc.931$4.57K
First Manhattan Co350$1.72K
Federated Hermes, Inc.241$1.18K
Advisory Services Network, LLC10$49