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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.

Q1 2022 vs. Q4 2021

How the institutions holding American Superconductor Corp changed between Q4 2021 and Q1 2022.

All holders in Q1 2022All holders in Q4 2021

13F holders of AMSC: Q4 2021 compared with Q1 2022
MeasureQ4 2021Q1 2022Change
Holders1071070
Shares16.4M15.7M−703.4K (−4.3%)
Value$178.2M$119.5M−$58.7M (−32.9%)

New holders (20)

Institutions that held American Superconductor Corp at the end of Q1 2022 but not at the end of Q4 2021.

Institutions new to AMSC in Q1 2022
InstitutionSharesValue% of portfolio
GMT Capital Corp108,066$822.0K0.05%
Renaissance Technologies LLC79,889$608.0K0.00%
Susquehanna International Group, LLP61,940$471.0K0.00%
State of Wisconsin Investment Board58,700$447.0K0.00%
Ardsley Advisory Partners LP25,000$190.0K0.04%
Caxton Associates LP17,832$136.0K0.01%
Quantbot Technologies LP17,804$135.0K0.01%
PDT Partners, LLC16,500$126.0K0.01%
Paloma Partners Management Co15,943$121.0K0.01%
XTX Topco Ltd13,464$102.0K0.04%
Amalgamated Bank3,339$25.0K0.00%
Amalgamated Financial Corp.3,339$25.0K0.00%
Aquatic Capital Management LLC1,800$14.0K0.02%
Walleye Trading LLC1,686$13.0K0.00%
FMR LLC487$4.00K0.00%
Nisa Investment Advisors, LLC540$4.00K0.00%
Federated Hermes, Inc.211$2.00K0.00%
Bartlett & Co. Wealth Management LLC36$2740.00%
Toronto Dominion Bank3$00.00%
Bartlett & Co. LLC36$00.00%

Sold out (20)

Institutions that held American Superconductor Corp at the end of Q4 2021 and filed for Q1 2022 without it.