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 2022
Institutional positions in American Superconductor Corp as of Jun 30, 2022. 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
- 93
- −11 vs. Q1 2022
- Shares held
- 13.2M
- −2.44M (−15.6%) vs. Q1 2022
- Total value
- $68.6M
- −$50.5M (−42.4%) vs. Q1 2022
- New holders
- 20
- 21 more added
- Sold out
- 31
- 28 more reduced
3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2022: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 277 | $1.47B |
| Q1 2026 | 245 | $1.12B |
| Q4 2025 | 240 | $953.6M |
| Q3 2025 | 273 | $1.95B |
| Q2 2025 | 232 | $1.20B |
| Q1 2025 | 189 | $500.1M |
| Q4 2024 | 191 | $678.1M |
| Q3 2024 | 171 | $643.8M |
| Q2 2024 | 155 | $638.3M |
| Q1 2024 | 128 | $326.7M |
| Q4 2023 | 99 | $180.6M |
| Q3 2023 | 72 | $100.0M |
| Q2 2023 | 77 | $81.9M |
| Q1 2023 | 74 | $64.6M |
| Q4 2022 | 77 | $48.4M |
| Q3 2022 | 82 | $61.0M |
| Q2 2022 | 93 | $68.6M |
| Q1 2022 | 107 | $119.5M |
| Q4 2021 | 107 | $178.5M |
| Q3 2021 | 101 | $243.3M |
| Q2 2021 | 105 | $286.0M |
| Q1 2021 | 104 | $312.5M |
Institutions, Q2 2022
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. | 1,511,497 | $7.83M | 1.23% | +549,255+57.1% | Added |
| Baillie Gifford & Co | 1,491,370 | $7.72M | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,121,070 | $5.81M | 0.00% | −108,381−8.8% | Reduced |
| Invesco Ltd. | 1,095,321 | $5.67M | 0.00% | −1,021,374−48.3% | Reduced |
| Royce & Associates LP | 826,600 | $4.28M | 0.04% | +47,000+6.0% | Added |
| D. E. Shaw & Co., Inc. | 650,858 | $3.37M | 0.01% | +50,926+8.5% | Added |
| State Street Corp | 603,653 | $3.13M | 0.00% | −446,659−42.5% | Reduced |
| Millennium Management LLC | 579,500 | $3.00M | 0.00% | +490,379+550.2% | Added |
| ArrowMark Colorado Holdings LLC | 545,000 | $2.82M | 0.03% | +30,000+5.8% | Added |
| BlackRock Inc. | 522,946 | $2.71M | 0.00% | −1,324,276−71.7% | Reduced |
| Arosa Capital Management LP | 389,786 | $2.02M | 0.88% | +89,786+29.9% | Added |
| Dimensional Fund Advisors LP | 341,666 | $1.77M | 0.00% | +22,781+7.1% | Added |
| First Trust Advisors LP | 286,662 | $1.49M | 0.00% | −17,673−5.8% | Reduced |
| KBC Group NV | 278,414 | $1.44M | 0.01% | +143,530+106.4% | Added |
| Geode Capital Management, LLC | 258,399 | $1.34M | 0.00% | −236,325−47.8% | Reduced |
| CM Management, LLC | 220,000 | $1.14M | 1.21% | +100,000+83.3% | Added |
| Susquehanna International Group, LLP | 202,885 | $1.05M | 0.00% | +140,945+227.6% | Added |
| JPMorgan Chase & Co | 176,150 | $913.0K | 0.00% | +37,976+27.5% | Added |
| Morgan Stanley | 141,344 | $732.0K | 0.00% | +54,687+63.1% | Added |
| Engineers Gate Manager LP | 130,573 | $676.0K | 0.02% | +130,573 | New |
| State of Wisconsin Investment Board | 123,800 | $641.0K | 0.00% | +65,100+110.9% | Added |
| HRT Financial LP | 113,751 | $589.0K | 0.01% | +113,751 | New |
| GMT Capital Corp | 108,066 | $560.0K | 0.04% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 83,698 | $434.0K | 0.00% | +1,147+1.4% | Added |
| Cambridge Investment Research Advisors, Inc. | 81,666 | $423.0K | 0.00% | −1,603−1.9% | Reduced |
| Marshall Wace, LLP | 71,912 | $372.0K | 0.00% | +71,912 | New |
| Deutsche Bank AG | 67,870 | $352.0K | 0.00% | −14,985−18.1% | Reduced |
| Gsa Capital Partners LLP | 67,259 | $348.0K | 0.05% | +28,443+73.3% | Added |
| Formula Growth Ltd | 65,000 | $337.0K | 0.09% | 00.0% | Unchanged |
| Man Group plc | – | $329.0K | 0.00% | – | – |
| Ergoteles LLC | 63,100 | $327.0K | 0.01% | +63,100 | New |
| Citadel Advisors LLC | 60,159 | $312.0K | 0.00% | −37,743−38.6% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 60,178 | $312.0K | 0.01% | −676−1.1% | Reduced |
| Jane Street Group, LLC | 56,977 | $295.0K | 0.00% | +56,977 | New |
| Bank of America Corp | 56,541 | $293.0K | 0.00% | −90,019−61.4% | Reduced |
| XTX Topco Ltd | 51,770 | $268.0K | 0.11% | +38,306+284.5% | Added |
| Two Sigma Investments, LP | 51,205 | $265.0K | 0.00% | +51,205 | New |
| Northern Trust Corp | 47,488 | $246.0K | 0.00% | −182,187−79.3% | Reduced |
| Royal Bank of Canada | 45,373 | $236.0K | 0.00% | −4,675−9.3% | Reduced |
| Goldman Sachs Group Inc | 42,378 | $220.0K | 0.00% | −21,579−33.7% | Reduced |
| Renaissance Technologies LLC | 41,689 | $216.0K | 0.00% | −38,200−47.8% | Reduced |
| Journey Strategic Wealth LLC | 35,000 | $181.0K | 0.02% | 00.0% | Unchanged |
| Jump Financial, LLC | 30,800 | $159.0K | 0.01% | +30,800 | New |
| Bank of New York Mellon Corp | 29,689 | $153.0K | 0.00% | −96,167−76.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 27,667 | $143.0K | 0.00% | +27,667 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 26,749 | $139.0K | 0.00% | +5,045+23.2% | Added |
| Qube Research & Technologies Ltd | 25,950 | $134.0K | 0.00% | +25,950 | New |
| Price T Rowe Associates Inc | 24,000 | $124.0K | 0.00% | −2,359−8.9% | Reduced |
| PDT Partners, LLC | 23,702 | $123.0K | 0.01% | +7,202+43.6% | Added |
| TFC Financial Management | 22,550 | $117.0K | 0.03% | 00.0% | Unchanged |
| Joule Financial, LLC | 21,010 | $109.0K | 0.09% | +21,010 | New |
| Cubist Systematic Strategies, LLC | 20,079 | $104.0K | 0.00% | +20,079 | New |
| Caxton Associates LP | 17,832 | $92.0K | 0.01% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 16,489 | $85.0K | 0.00% | 00.0% | Unchanged |
| Atria Wealth Solutions, Inc. | 15,935 | $83.0K | 0.00% | +15,935 | New |
| Vontobel Holding Ltd. | 14,000 | $73.0K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 13,928 | $72.0K | 0.00% | +13,928 | New |
| Group One Trading, L.P. | 13,313 | $69.0K | 0.00% | −69,501−83.9% | Reduced |
| Two Sigma Advisers, LP | 11,300 | $59.0K | 0.00% | +11,300 | New |
| ExodusPoint Capital Management, LP | 10,698 | $55.0K | 0.00% | −4,562−29.9% | Reduced |
| UBS Group AG | 10,041 | $52.0K | 0.00% | −6,156−38.0% | Reduced |
| Simplex Trading, LLC | 10,057 | $52.0K | 0.00% | +10,057 | New |
| Investors Asset Management of Georgia Inc | 9,200 | $48.0K | 0.02% | +9,200 | New |
| Citigroup Inc | 5,152 | $27.0K | 0.00% | −745−12.6% | Reduced |
| Advisor Group Holdings, Inc. | 3,525 | $18.0K | 0.00% | −4,993−58.6% | Reduced |
| Global Retirement Partners, LLC | 3,530 | $18.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 2,058 | $10.7K | 0.00% | −27,614−93.1% | Reduced |
| Patriot Financial Group Insurance Agency, LLC | 1,728 | $9.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,401 | $7.00K | 0.00% | −5,536−79.8% | Reduced |
| Leonteq Securities AG | 1,250 | $6.47K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,200 | $6.00K | 0.00% | 00.0% | Unchanged |
| Tilia Fiduciary Partners, Inc. | 1,100 | $5.00K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 850 | $4.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 540 | $3.00K | 0.00% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 591 | $3.00K | 0.00% | +191+47.8% | Added |
| EverSource Wealth Advisors, LLC | 536 | $3.00K | 0.00% | +536 | New |
| Federated Hermes, Inc. | 391 | $2.00K | 0.00% | +180+85.3% | Added |
| CWM, LLC | 326 | $2.00K | 0.00% | +326 | New |
| Federation des caisses Desjardins du Quebec | 300 | $1.55K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 181 | $1.00K | 0.00% | −18,864−99.0% | Reduced |
| FMR LLC | 101 | $1.00K | 0.00% | −386−79.3% | Reduced |
| US Bancorp | 128 | $1.00K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 220 | $1.00K | 0.00% | +220 | New |
| Bartlett & Co. Wealth Management LLC | 36 | $186 | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 131 | $0 | 0.00% | −17,673−99.3% | Reduced |
| Barclays PLC | 4 | $0 | 0.00% | −4,484−99.9% | Reduced |
| Captrust Financial Advisors | 70 | $0 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 40 | $0 | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 132 | $0 | 0.00% | +100+312.5% | Added |
| Hudock, Inc. | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. LLC | 36 | $0 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 10 | $0 | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 15 | $0 | 0.00% | +15 | New |
| Erste Asset Management GmbH | 0 | $0 | 0.00% | −375,390−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −174,911−100.0% | Sold out |
| Eaton Vance Management | 0 | $0 | 0.00% | −149,088−100.0% | Sold out |
| Nuveen Asset Management, LLC | 0 | $0 | 0.00% | −108,469−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −70,125−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −61,269−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −36,310−100.0% | Sold out |