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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 2022 vs. Q1 2022

How the institutions holding American Superconductor Corp changed between Q1 2022 and Q2 2022.

All holders in Q2 2022All holders in Q1 2022

13F holders of AMSC: Q1 2022 compared with Q2 2022
MeasureQ1 2022Of which not filed for Q2 2022Q2 2022Change
Holders107393−11
Shares15.7M49.5K13.2M−2.44M (−15.6%)
Value$119.5M$376.0K$68.6M−$50.5M (−42.4%)

3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (20)

Institutions that held American Superconductor Corp at the end of Q2 2022 but not at the end of Q1 2022.

Institutions new to AMSC in Q2 2022
InstitutionSharesValue% of portfolio
Engineers Gate Manager LP130,573$676.0K0.02%
HRT Financial LP113,751$589.0K0.01%
Marshall Wace, LLP71,912$372.0K0.00%
Ergoteles LLC63,100$327.0K0.01%
Jane Street Group, LLC56,977$295.0K0.00%
Two Sigma Investments, LP51,205$265.0K0.00%
Jump Financial, LLC30,800$159.0K0.01%
Connor, Clark & Lunn Investment Management Ltd.27,667$143.0K0.00%
Qube Research & Technologies Ltd25,950$134.0K0.00%
Joule Financial, LLC21,010$109.0K0.09%
Cubist Systematic Strategies, LLC20,079$104.0K0.00%
Atria Wealth Solutions, Inc.15,935$83.0K0.00%
AQR Capital Management LLC13,928$72.0K0.00%
Two Sigma Advisers, LP11,300$59.0K0.00%
Simplex Trading, LLC10,057$52.0K0.00%
Investors Asset Management of Georgia Inc9,200$48.0K0.02%
EverSource Wealth Advisors, LLC536$3.00K0.00%
CWM, LLC326$2.00K0.00%
CoreCap Advisors, LLC220$1.00K0.00%
Credit Suisse AG15$00.00%

Sold out (31)

Institutions that held American Superconductor Corp at the end of Q1 2022 and filed for Q2 2022 without it.

Not filed for Q2 2022 yet (3)

Institutions that held American Superconductor Corp at the end of Q1 2022 and haven't filed a 13F for Q2 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMSC in Q1 2022 that haven't filed for Q2 2022
InstitutionShares, Q1 2022Value, Q1 2022
Tatro Capital, LLC23,395$178.0K
Parametric Portfolio Associates LLC22,766$173.0K
Amalgamated Financial Corp.3,339$25.0K