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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.

13F holders, Q3 2023

Institutional positions in American Superconductor Corp as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
72
−5 vs. Q2 2023
Shares held
13.2M
+141.2K (+1.1%) vs. Q2 2023
Total value
$100.0M
+$18.0M (+22.0%) vs. Q2 2023
New holders
13
28 more added
Sold out
18
17 more reduced

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AMSC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 72 institutions
Q1 2021: 104 institutionsQ2 2021: 105 institutionsQ3 2021: 101 institutionsQ4 2021: 107 institutionsQ1 2022: 107 institutionsQ2 2022: 93 institutionsQ3 2022: 82 institutionsQ4 2022: 77 institutionsQ1 2023: 74 institutionsQ2 2023: 77 institutionsQ3 2023: 72 institutionsQ4 2023: 99 institutionsQ1 2024: 128 institutionsQ2 2024: 155 institutionsQ3 2024: 171 institutionsQ4 2024: 191 institutionsQ1 2025: 189 institutionsQ2 2025: 232 institutionsQ3 2025: 273 institutionsQ4 2025: 240 institutionsQ1 2026: 245 institutionsQ2 2026: 277 institutions
Value heldQ3 2023: $100.0M
Q1 2021: $311.2MQ2 2021: $284.8MQ3 2021: $243.3MQ4 2021: $178.2MQ1 2022: $119.5MQ2 2022: $68.6MQ3 2022: $61.0MQ4 2022: $48.4MQ1 2023: $64.6MQ2 2023: $81.9MQ3 2023: $100.0MQ4 2023: $178.8MQ1 2024: $312.0MQ2 2024: $636.1MQ3 2024: $642.6MQ4 2024: $678.1MQ1 2025: $499.8MQ2 2025: $1.20BQ3 2025: $1.94BQ4 2025: $953.2MQ1 2026: $1.12BQ2 2026: $1.47B
Institutions holding AMSC and their total value by quarter
QuarterHoldersValue
Q2 2026277$1.47B
Q1 2026245$1.12B
Q4 2025240$953.2M
Q3 2025273$1.94B
Q2 2025232$1.20B
Q1 2025189$499.8M
Q4 2024191$678.1M
Q3 2024171$642.6M
Q2 2024155$636.1M
Q1 2024128$312.0M
Q4 202399$178.8M
Q3 202372$100.0M
Q2 202377$81.9M
Q1 202374$64.6M
Q4 202277$48.4M
Q3 202282$61.0M
Q2 202293$68.6M
Q1 2022107$119.5M
Q4 2021107$178.2M
Q3 2021101$243.3M
Q2 2021105$284.8M
Q1 2021104$311.2M

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q2 2023.

Institutions holding AMSC in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
IFP Advisors, Inc10$760.00%00.0%Unchanged
JFS Wealth Advisors, LLC10$760.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc40$3020.00%00.0%Unchanged
Aspire Private Capital, LLC100$7550.00%+100New
US Bancorp128$9660.00%00.0%Unchanged
UBS Group AG243$1.83K0.00%+50+25.9%Added
Federation des caisses Desjardins du Quebec300$2.27K0.00%00.0%Unchanged
Arrow Financial Corp345$2.60K0.00%+345New
Nisa Investment Advisors, LLC540$4.08K0.00%00.0%Unchanged
Quarry LP1,296$9.79K0.01%−1,857−58.9%Reduced
Rhumbline Advisers1,388$10.5K0.00%00.0%Unchanged
FMR LLC1,667$12.6K0.00%+100+6.4%Added
M&R Capital Management Inc2,000$15.1K0.00%00.0%Unchanged
Global Retirement Partners, LLC2,770$19.1K0.00%−1,590−36.5%Reduced
Wells Fargo & Company3,490$26.4K0.00%+987+39.4%Added
Cutler Group LP7,437$56.0K0.01%+6,826+1,117.2%Added
Advisor Group Holdings, Inc.10,045$75.8K0.00%+5,391+115.8%Added
LPL Financial LLC11,376$85.9K0.00%+937+9.0%Added
Citigroup Inc12,141$91.7K0.00%+12,141New
Atria Wealth Solutions, Inc.12,175$91.9K0.00%−1,400−10.3%Reduced
Raymond James Financial Services Advisors, Inc.12,406$93.7K0.00%−340−2.7%Reduced
Greenwich Wealth Management LLC14,366$108.0K0.01%00.0%Unchanged
Charles Schwab Investment Management Inc15,966$120.5K0.00%00.0%Unchanged
TFC Financial Management16,471$124.4K0.03%00.0%Unchanged
Price T Rowe Associates Inc16,911$128.0K0.00%−19,489−53.5%Reduced
GPS Wealth Strategies Group, LLC17,487$132.0K0.03%+17,487New
Group One Trading, L.P.18,130$136.9K0.01%−59,872−76.8%Reduced
GTS Securities LLC18,762$141.7K0.00%+4,688+33.3%Added
Goldman Sachs Group Inc20,665$156.0K0.00%+20,665New
Jefferies Financial Group Inc.21,300$160.8K0.00%+21,300New
Verition Fund Management LLC21,600$163.1K0.00%+21,600New
Joule Financial, LLC22,046$166.4K0.09%−22,631−50.7%Reduced
Barclays PLC25,608$193.3K0.00%+25,604+640,100.0%Added
Healthcare of Ontario Pension Plan Trust Fund25,752$194.4K0.00%+2,614+11.3%Added
Bank of Montreal21,000$209.4K0.00%+21,000New
Bank of New York Mellon Corp28,464$214.9K0.00%−610−2.1%Reduced
Virtu Financial LLC37,823$286.0K0.03%+37,823New
Bank of America Corp40,288$304.2K0.00%+27,789+222.3%Added
Royal Bank of Canada45,618$344.0K0.00%+4,783+11.7%Added
Assenagon Asset Management S.A.49,182$371.3K0.00%+49,182New
Northern Trust Corp53,730$405.7K0.00%−216−0.4%Reduced
Cambridge Investment Research Advisors, Inc.64,857$490.0K0.00%+43,068+197.7%Added
Bridgeway Capital Management, LLC71,200$537.6K0.01%−20,000−21.9%Reduced
Merit Financial Group, LLC77,899$588.1K0.02%−948−1.2%Reduced
Jump Financial, LLC85,300$644.0K0.02%+56,479+196.0%Added
Morgan Stanley86,316$651.7K0.00%+42,817+98.4%Added
Legato Capital Management LLC89,667$677.0K0.10%+89,667New
Susquehanna International Group, LLP92,865$701.1K0.00%+43,960+89.9%Added
Cubist Systematic Strategies, LLC98,615$744.5K0.01%+58,479+145.7%Added
GMT Capital Corp108,066$815.9K0.03%00.0%Unchanged
State Street Corp108,492$819.1K0.00%00.0%Unchanged
Qube Research & Technologies Ltd118,543$895.0K0.00%+107,871+1,010.8%Added
Gsa Capital Partners LLP118,875$898.0K0.08%−68,986−36.7%Reduced
Citadel Advisors LLC120,328$908.5K0.00%+63,182+110.6%Added
Connor, Clark & Lunn Investment Management Ltd.122,120$922.0K0.00%+77,303+172.5%Added
EAM Investors, LLC156,157$1.18M0.23%−120,117−43.5%Reduced
Two Sigma Investments, LP164,572$1.24M0.00%+154,572+1,545.7%Added
Trexquant Investment LP170,880$1.29M0.03%+170,880New
CM Management, LLC200,000$1.51M1.60%−150,000−42.9%Reduced
First Trust Advisors LP264,780$2.00M0.00%+8,309+3.2%Added
Geode Capital Management, LLC289,363$2.19M0.00%+528+0.2%Added
D. E. Shaw & Co., Inc.374,128$2.82M0.00%+33,059+9.7%Added
ArrowMark Colorado Holdings LLC381,432$2.88M0.04%−288,000−43.0%Reduced
Millennium Management LLC534,115$4.03M0.00%+276,944+107.7%Added
BlackRock Inc.577,745$4.36M0.00%+62,320+12.1%Added
Dimensional Fund Advisors LP692,093$5.23M0.00%+97,472+16.4%Added
Essex Investment Management Co LLC700,833$5.29M0.86%+700,833New
Invesco Ltd.873,006$6.59M0.00%+323,472+58.9%Added
Royce & Associates LP1,246,260$9.41M0.10%−618,269−33.2%Reduced
Vanguard Group Inc1,287,265$9.72M0.00%+43,439+3.5%Added
Baillie Gifford & Co1,491,370$11.3M0.01%00.0%Unchanged
AWM Investment Company, Inc.1,854,241$14.0M2.07%−374,060−16.8%Reduced
KBC Group NV0$00.00%−459,007−100.0%Sold out
Renaissance Technologies LLC0$00.00%−69,489−100.0%Sold out
Quinn Opportunity Partners LLC0$00.00%−62,661−100.0%Sold out
JPMorgan Chase & Co0$00.00%−56,610−100.0%Sold out
XTX Topco Ltd0$00.00%−30,393−100.0%Sold out
Marshall Wace, LLP0$00.00%−29,760−100.0%Sold out
HRT Financial LP0$00.00%−22,760−100.0%Sold out
Prescott Group Capital Management, L.L.C.0$00.00%−20,200−100.0%Sold out
Journey Strategic Wealth LLC0$00.00%−17,375−100.0%Sold out
Quadrature Capital Ltd0$00.00%−17,124−100.0%Sold out
Jane Street Group, LLC0$00.00%−15,719−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−14,236−100.0%Sold out
Vontobel Holding Ltd.0$00.00%−14,000−100.0%Sold out
Zacks Investment Management0$00.00%−12,000−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−1,797−100.0%Sold out
Quantbot Technologies LP0$00.00%−1,700−100.0%Sold out
Tilia Fiduciary Partners, Inc.0$00.00%−1,100−100.0%Sold out
Simplex Trading, LLC0$00.00%−600−100.0%Sold out