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Livermore
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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.

Q4 2025 vs. Q3 2025

How the institutions holding American Superconductor Corp changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of AMSC: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders2734240−29
Shares32.7M88.2K33.1M+460.5K (+1.4%)
Value$1.94B$5.29M$953.2M−$982.6M (−50.8%)

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (41)

Institutions that held American Superconductor Corp at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to AMSC in Q4 2025
InstitutionSharesValue% of portfolio
Nomura Asset Management International Inc.459,786$13.2M0.02%
Balyasny Asset Management LLC152,795$4.40M0.01%
Y-Intercept (Hong Kong) Ltd120,251$3.46M0.08%
ExodusPoint Capital Management, LP70,751$2.04M0.02%
Dynamic Technology Lab Private Ltd69,225$1.99M0.45%
Walleye Capital LLC64,520$1.86M0.01%
Campbell & CO Investment Adviser LLC59,952$1.73M0.08%
Twinbeech Capital LP52,221$1.50M0.11%
Freestone Grove Partners LP46,128$1.33M0.01%
Natixis35,086$1.01M0.00%
Headlands Technologies LLC34,308$987.4K0.08%
Journey Strategic Wealth LLC26,397$759.7K0.02%
Skyview Financial Group LLC23,038$663.0K0.68%
Alpine Woods Capital Investors, LLC23,026$662.7K0.16%
Globeflex Capital L P21,633$622.6K0.10%
Virginia Retirement Systems Et Al16,500$474.9K0.00%
Skopos Labs, Inc.13,863$405.4K0.02%
Boothbay Fund Management, LLC13,990$402.6K0.01%
F/M Investments LLC13,470$387.7K0.01%
Fund Advisors of America Inc11,053$318.1K0.29%
Round Rock Advisors, LLC10,709$308.2K0.05%
XTX Topco Ltd10,551$303.7K0.01%
Graham Capital Management, L.P.10,066$289.7K0.01%
PDT Partners, LLC9,732$280.1K0.02%
Winton Group Ltd9,385$270.1K0.01%
US Bancorp8,760$252.1K0.00%
Handelsbanken Fonder AB8,600$248.0K0.00%
Precision Wealth Strategies, LLC8,137$234.2K0.08%
City Center Advisors, LLC7,517$216.3K0.20%
State of Wyoming3,021$86.9K0.01%
Caitong International Asset Management Co., Ltd2,092$60.2K0.01%
Lodestone Wealth Management LLC1,054$30.3K0.01%
CoreCap Advisors, LLC484$13.9K0.00%
SHP Wealth Management271$7.80K0.00%
Vermillion Wealth Management, Inc.200$5.76K0.00%
Northwestern Mutual Wealth Management Co170$4.89K0.00%
Greenline Wealth Management LLC169$4.87K0.01%
MAI Capital Management90$2.59K0.00%
Keating Financial Advisory Services, Inc.13$3740.00%
SJS Investment Consulting Inc.5$1440.00%
Central Trust Co4$1160.00%

Sold out (70)

Institutions that held American Superconductor Corp at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of AMSC in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Fuller & Thaler Asset Management, Inc.809,945$48.1M
Macquarie Group Ltd465,221$27.6M
Wellington Management Group LLP399,246$23.7M
Castleark Management LLC135,617$8.05M
Next Century Growth Investors LLC128,220$7.61M
Lisanti Capital Growth, LLC118,151$7.02M
Jump Financial, LLC117,498$6.98M
GMT Capital Corp108,066$6.42M
Prudential Financial Inc107,190$6.37M
Ghisallo Capital Management LLC100,000$5.94M
Meridian Wealth Management, LLC91,102$5.41M
Andrew Hill Investment Advisors, Inc.88,855$5.28M
EAM Investors, LLC83,977$4.91M
Penserra Capital Management LLC57,728$3.43M
Private Advisor Group, LLC37,683$2.24M
HWG Holdings LP35,468$2.11M
Quantbot Technologies LP26,831$1.59M
IMC-Chicago, LLC25,044$1.49M
Dark Forest Capital Management LP23,858$1.42M
Oppenheimer & Co Inc20,100$1.19M
Comerica Bank18,808$1.12M
Gsa Capital Partners LLP15,798$938.0K
Neo Ivy Capital Management13,520$803.0K
Ieq Capital, LLC12,889$765.5K
Omers Administration Corp10,700$635.5K
Sigma Planning Corp10,293$611.3K
Integrated Quantitative Investments LLC9,333$554.3K
Stephens Inc8,500$504.8K
Counterpoint Mutual Funds LLC8,206$487.4K
Creative Planning7,044$418.3K
Baader Bank INC7,063$418.0K
Great Valley Advisor Group, Inc.6,741$400.5K
Scientech Research LLC6,585$391.1K
Benjamin Edwards Inc6,219$369.3K
Brinker Capital Investments, LLC6,132$364.2K
Cornerstone Investment Partners, LLC6,102$362.4K
Prostatis Group LLC6,011$357.0K
Toth Financial Advisory Corp6,000$356.3K
Savant Capital, LLC5,918$351.5K
Pictet Asset Management Holding SA5,829$346.2K
Mayflower Financial Advisors, LLC5,730$340.3K
Promethium Advisors,llc5,500$326.6K
Cinctive Capital Management LP5,256$312.2K
Wealth Enhancement Advisory Services, LLC5,484$310.1K
Vontobel Holding Ltd.5,021$298.2K
Cim, LLC4,632$275.1K
Occudo Quantitative Strategies LP4,100$243.5K
Squarepoint Ops LLC4,086$242.7K
Cerity Partners LLC3,906$232.0K
Aigen Investment Management, LP3,822$227.0K
Bank of Montreal3,797$225.5K
Captrust Financial Advisors3,755$223.0K
Anb Bank3,721$221.0K
Hartline Investment Corp3,400$201.9K
JustInvest LLC3,385$201.0K
Xponance, Inc.3,379$200.7K
Stance Capital LLC2,606$154.8K
Mark Sheptoff Financial Planning, LLC2,000$118.8K
Once Capital Management, LLC1,600$95.0K
Banque Cantonale Vaudoise1,585$94.0K
Simplex Trading, LLC1,363$80.0K
Montag A & Associates Inc393$23.3K
MCF Advisors LLC164$9.74K
Hillsdale Investment Management Inc.150$8.91K
Wealthspire Advisors, LLC114$6.77K
ORG Partners LLC70$4.16K
Clearstead Advisors, LLC35$2.08K
Rise Advisors, LLC24$1.43K
Larson Financial Group LLC18$1.07K
Tortoise Investment Management, LLC2$119

Not filed for Q4 2025 yet (4)

Institutions that held American Superconductor Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMSC in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Cubist Systematic Strategies, LLC49,508$2.94M
Wolverine Trading, LLC33,287$2.03M
CIBC Bancorp USA Inc.4,659$276.7K
Point72 (DIFC) Ltd791$47.0K