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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, Q2 2023

Institutional positions in American Superconductor Corp as of Jun 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
77
+3 vs. Q1 2023
Shares held
13.1M
−46.0K (−0.4%) vs. Q1 2023
Total value
$81.9M
+$17.4M (+26.9%) vs. Q1 2023
New holders
14
25 more added
Sold out
11
18 more reduced

Compare with Q1 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 holdersQ2 2023: 77 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 heldQ2 2023: $81.9M
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, Q2 2023

Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q1 2023.

Institutions holding AMSC in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Barclays PLC4$250.00%−20,689−100.0%Reduced
JFS Wealth Advisors, LLC10$630.00%00.0%Unchanged
IFP Advisors, Inc10$670.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc40$2500.00%00.0%Unchanged
US Bancorp128$8010.00%00.0%Unchanged
UBS Group AG193$1.21K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec300$1.88K0.00%00.0%Unchanged
Simplex Trading, LLC600$3.00K0.00%−14,246−96.0%Reduced
Cutler Group LP611$3.00K0.00%+611New
Nisa Investment Advisors, LLC540$3.38K0.00%00.0%Unchanged
Tilia Fiduciary Partners, Inc.1,100$6.89K0.01%00.0%Unchanged
Rhumbline Advisers1,388$8.69K0.00%+1,388New
FMR LLC1,567$9.81K0.00%−1,628−51.0%Reduced
Quantbot Technologies LP1,700$10.6K0.00%+1,700New
Point72 Asset Management, L.P.1,797$11.2K0.00%+1,797New
M&R Capital Management Inc2,000$12.5K0.00%00.0%Unchanged
Wells Fargo & Company2,503$15.7K0.00%+1,069+74.5%Added
Quarry LP3,153$19.7K0.01%+3,153New
Global Retirement Partners, LLC4,360$27.3K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.4,654$29.1K0.00%+1,129+32.0%Added
Two Sigma Investments, LP10,000$62.6K0.00%+10,000New
LPL Financial LLC10,439$65.3K0.00%+10,439New
Qube Research & Technologies Ltd10,672$66.8K0.00%+10,672New
Zacks Investment Management12,000$75.1K0.00%+12,000New
Bank of America Corp12,499$78.2K0.00%−4,263−25.4%Reduced
Raymond James Financial Services Advisors, Inc.12,746$79.8K0.00%−1,763−12.2%Reduced
Atria Wealth Solutions, Inc.13,575$85.0K0.00%−1,510−10.0%Reduced
Vontobel Holding Ltd.14,000$87.6K0.00%00.0%Unchanged
GTS Securities LLC14,074$88.1K0.00%+14,074New
Campbell & CO Investment Adviser LLC14,236$89.1K0.02%+14,236New
Greenwich Wealth Management LLC14,366$90.0K0.01%00.0%Unchanged
Jane Street Group, LLC15,719$98.4K0.00%−38,355−70.9%Reduced
Charles Schwab Investment Management Inc15,966$99.9K0.00%00.0%Unchanged
TFC Financial Management16,471$103.1K0.03%00.0%Unchanged
Quadrature Capital Ltd17,124$107.2K0.00%+6,809+66.0%Added
Journey Strategic Wealth LLC17,375$108.8K0.00%−20,000−53.5%Reduced
Prescott Group Capital Management, L.L.C.20,200$126.0K0.03%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.21,789$136.0K0.00%+9,402+75.9%Added
HRT Financial LP22,760$142.0K0.00%+4,436+24.2%Added
Healthcare of Ontario Pension Plan Trust Fund23,138$144.8K0.00%+528+2.3%Added
Jump Financial, LLC28,821$180.4K0.01%+11,006+61.8%Added
Bank of New York Mellon Corp29,074$182.0K0.00%+184+0.6%Added
Marshall Wace, LLP29,760$186.3K0.00%+29,760New
XTX Topco Ltd30,393$190.3K0.03%+30,393New
Price T Rowe Associates Inc36,400$228.0K0.00%−3,700−9.2%Reduced
Cubist Systematic Strategies, LLC40,136$251.3K0.00%+25,732+178.6%Added
Royal Bank of Canada40,835$255.0K0.00%+451+1.1%Added
Morgan Stanley43,499$272.3K0.00%−11,415−20.8%Reduced
Joule Financial, LLC44,677$279.7K0.14%+23,492+110.9%Added
Connor, Clark & Lunn Investment Management Ltd.44,817$280.6K0.00%+13,336+42.4%Added
Susquehanna International Group, LLP48,905$306.1K0.00%−93,074−65.6%Reduced
Northern Trust Corp53,946$337.7K0.00%+1,203+2.3%Added
JPMorgan Chase & Co56,610$354.4K0.00%−33,328−37.1%Reduced
Citadel Advisors LLC57,146$357.7K0.00%+9,970+21.1%Added
Quinn Opportunity Partners LLC62,661$392.3K0.05%00.0%Unchanged
Renaissance Technologies LLC69,489$435.0K0.00%+12,889+22.8%Added
Group One Trading, L.P.78,002$488.3K0.02%+22,579+40.7%Added
Merit Financial Group, LLC78,847$493.6K0.02%+3,893+5.2%Added
Bridgeway Capital Management, LLC91,200$570.9K0.01%00.0%Unchanged
GMT Capital Corp108,066$676.5K0.03%00.0%Unchanged
State Street Corp108,492$679.2K0.00%−304−0.3%Reduced
Gsa Capital Partners LLP187,861$1.18M0.12%−8,462−4.3%Reduced
First Trust Advisors LP256,471$1.61M0.00%−5,055−1.9%Reduced
Millennium Management LLC257,171$1.61M0.00%+216,712+535.6%Added
EAM Investors, LLC276,274$1.73M0.32%+276,274New
Geode Capital Management, LLC288,835$1.81M0.00%+840.0%Added
D. E. Shaw & Co., Inc.341,069$2.14M0.00%+2,999+0.9%Added
CM Management, LLC350,000$2.19M2.14%00.0%Unchanged
KBC Group NV459,007$2.87M0.01%−173,082−27.4%Reduced
BlackRock Inc.515,425$3.23M0.00%+36,621+7.6%Added
Invesco Ltd.549,534$3.44M0.00%−285,503−34.2%Reduced
Dimensional Fund Advisors LP594,621$3.72M0.00%+89,230+17.7%Added
ArrowMark Colorado Holdings LLC669,432$4.19M0.05%+100,000+17.6%Added
Vanguard Group Inc1,243,826$7.79M0.00%+2800.0%Added
Baillie Gifford & Co1,491,370$9.34M0.01%00.0%Unchanged
Royce & Associates LP1,864,529$11.7M0.11%+52,758+2.9%Added
AWM Investment Company, Inc.2,228,301$13.9M1.89%−307,982−12.1%Reduced
Goldman Sachs Group Inc0$00.00%−24,816−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−20,500−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−18,812−100.0%Sold out
Squarepoint Ops LLC0$00.00%−16,818−100.0%Sold out
Man Group plc0$00.00%–Sold out
Point72 Middle East FZE0$00.00%−1,503−100.0%Sold out
Johnson Financial Group, Inc.0$00.00%−992−100.0%Sold out
Slow Capital, Inc.0$00.00%−931−100.0%Sold out
First Manhattan Co0$00.00%−350−100.0%Sold out
Federated Hermes, Inc.0$00.00%−241−100.0%Sold out
Advisory Services Network, LLC0$00.00%−10−100.0%Sold out