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 2022
Institutional positions in American Superconductor Corp as of Sep 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
- 82
- −11 vs. Q2 2022
- Shares held
- 13.9M
- +744.0K (+5.6%) vs. Q2 2022
- Total value
- $61.0M
- −$7.62M (−11.1%) vs. Q2 2022
- New holders
- 9
- 26 more added
- Sold out
- 20
- 21 more reduced
Compare with Q2 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 | $953.2M |
| Q3 2025 | 273 | $1.94B |
| Q2 2025 | 232 | $1.20B |
| Q1 2025 | 189 | $499.8M |
| Q4 2024 | 191 | $678.1M |
| Q3 2024 | 171 | $642.6M |
| Q2 2024 | 155 | $636.1M |
| Q1 2024 | 128 | $312.0M |
| Q4 2023 | 99 | $178.8M |
| 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 | $178.2M |
| Q3 2021 | 101 | $243.3M |
| Q2 2021 | 105 | $284.8M |
| Q1 2021 | 104 | $311.2M |
Institutions, Q3 2022
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Barclays PLC | 4 | $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% | 00.0% | Unchanged |
| 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 |
| Massmutual Trust Co FSB | 50 | $0 | 0.00% | +50 | New |
| Bartlett & Co. Wealth Management LLC | 36 | $158 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 128 | $1.00K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 300 | $1.31K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 540 | $2.00K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 391 | $2.00K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 580 | $2.54K | 0.00% | −1,478−71.8% | Reduced |
| First Manhattan Co | 850 | $3.00K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 656 | $3.00K | 0.00% | +656 | New |
| Tilia Fiduciary Partners, Inc. | 1,100 | $4.00K | 0.00% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 918 | $4.00K | 0.00% | +327+55.3% | Added |
| Rockefeller Capital Management L.P. | 1,200 | $5.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 2,420 | $11.0K | 0.00% | +1,019+72.7% | Added |
| Aquatic Capital Management LLC | 2,700 | $12.0K | 0.00% | +2,700 | New |
| Advisor Group Holdings, Inc. | 3,525 | $15.0K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 4,530 | $20.0K | 0.00% | +1,000+28.3% | Added |
| Citigroup Inc | 6,464 | $28.0K | 0.00% | +1,312+25.5% | Added |
| UBS Group AG | 8,541 | $38.0K | 0.00% | −1,500−14.9% | Reduced |
| Investors Asset Management of Georgia Inc | 9,200 | $40.0K | 0.02% | 00.0% | Unchanged |
| PDT Partners, LLC | 13,344 | $58.0K | 0.01% | −10,358−43.7% | Reduced |
| Vontobel Holding Ltd. | 14,000 | $61.0K | 0.00% | 00.0% | Unchanged |
| Atria Wealth Solutions, Inc. | 15,735 | $68.9K | 0.00% | −200−1.3% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 16,041 | $70.0K | 0.00% | −448−2.7% | Reduced |
| Greenwich Wealth Management LLC | 16,089 | $70.0K | 0.01% | +16,089 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 17,326 | $76.0K | 0.00% | −9,423−35.2% | Reduced |
| Caxton Associates LP | 17,832 | $78.0K | 0.01% | 00.0% | Unchanged |
| Joule Financial, LLC | 22,031 | $96.0K | 0.07% | +1,021+4.9% | Added |
| TFC Financial Management | 22,550 | $99.0K | 0.03% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 23,733 | $104.0K | 0.00% | −2,217−8.5% | Reduced |
| Quadrature Capital Ltd | 24,586 | $107.0K | 0.00% | +24,586 | New |
| Bank of New York Mellon Corp | 29,024 | $127.0K | 0.00% | −665−2.2% | Reduced |
| Engineers Gate Manager LP | 32,710 | $143.0K | 0.01% | −97,863−74.9% | Reduced |
| Susquehanna International Group, LLP | 33,053 | $145.0K | 0.00% | −169,832−83.7% | Reduced |
| Citadel Advisors LLC | 33,819 | $148.0K | 0.00% | −26,340−43.8% | Reduced |
| Journey Strategic Wealth LLC | 35,000 | $153.0K | 0.02% | 00.0% | Unchanged |
| Jump Financial, LLC | 35,200 | $155.0K | 0.01% | +4,400+14.3% | Added |
| Goldman Sachs Group Inc | 37,526 | $164.0K | 0.00% | −4,852−11.4% | Reduced |
| Price T Rowe Associates Inc | 45,600 | $200.0K | 0.00% | +21,600+90.0% | Added |
| Northern Trust Corp | 47,488 | $208.0K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 51,419 | $225.0K | 0.00% | +23,752+85.8% | Added |
| XTX Topco Ltd | 52,753 | $231.0K | 0.06% | +983+1.9% | Added |
| Two Sigma Advisers, LP | 53,600 | $235.0K | 0.00% | +42,300+374.3% | Added |
| Royal Bank of Canada | 54,708 | $240.0K | 0.00% | +9,335+20.6% | Added |
| Prescott Group Capital Management, L.L.C. | 55,000 | $241.0K | 0.07% | +55,000 | New |
| Harel Insurance Investments & Financial Services Ltd. | 59,863 | $266.0K | 0.01% | −315−0.5% | Reduced |
| Formula Growth Ltd | 65,000 | $285.0K | 0.08% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 67,326 | $295.0K | 0.00% | −16,372−19.6% | Reduced |
| Deutsche Bank AG | 67,870 | $297.0K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 71,200 | $312.0K | 0.01% | +71,200 | New |
| Gsa Capital Partners LLP | 75,080 | $329.0K | 0.04% | +7,821+11.6% | Added |
| Morgan Stanley | 76,201 | $334.0K | 0.00% | −65,143−46.1% | Reduced |
| State of Wisconsin Investment Board | 76,600 | $336.0K | 0.00% | −47,200−38.1% | Reduced |
| Marshall Wace, LLP | 83,741 | $366.0K | 0.00% | +11,829+16.4% | Added |
| Two Sigma Investments, LP | 88,817 | $389.0K | 0.00% | +37,612+73.5% | Added |
| Bank of America Corp | 102,285 | $448.0K | 0.00% | +45,744+80.9% | Added |
| Man Group plc | 105,446 | $462.0K | 0.00% | – | – |
| GMT Capital Corp | 108,066 | $473.0K | 0.03% | 00.0% | Unchanged |
| BIT Capital GmbH | 111,109 | $486.7K | 0.09% | +111,109 | New |
| Millennium Management LLC | 131,863 | $578.0K | 0.00% | −447,637−77.2% | Reduced |
| Renaissance Technologies LLC | 136,889 | $600.0K | 0.00% | +95,200+228.4% | Added |
| JPMorgan Chase & Co | 202,745 | $888.0K | 0.00% | +26,595+15.1% | Added |
| First Trust Advisors LP | 253,642 | $1.11M | 0.00% | −33,020−11.5% | Reduced |
| Geode Capital Management, LLC | 267,698 | $1.17M | 0.00% | +9,299+3.6% | Added |
| CM Management, LLC | 300,000 | $1.31M | 1.47% | +80,000+36.4% | Added |
| Assenagon Asset Management S.A. | 330,251 | $1.45M | 0.01% | +330,251 | New |
| Dimensional Fund Advisors LP | 352,323 | $1.54M | 0.00% | +10,657+3.1% | Added |
| KBC Group NV | 481,369 | $2.11M | 0.01% | +202,955+72.9% | Added |
| BlackRock Inc. | 519,776 | $2.28M | 0.00% | −3,170−0.6% | Reduced |
| D. E. Shaw & Co., Inc. | 593,619 | $2.60M | 0.00% | −57,239−8.8% | Reduced |
| State Street Corp | 636,590 | $2.79M | 0.00% | +32,937+5.5% | Added |
| ArrowMark Colorado Holdings LLC | 650,000 | $2.85M | 0.03% | +105,000+19.3% | Added |
| Vanguard Group Inc | 1,090,895 | $4.78M | 0.00% | −30,175−2.7% | Reduced |
| Invesco Ltd. | 1,184,459 | $5.19M | 0.00% | +89,138+8.1% | Added |
| Baillie Gifford & Co | 1,491,370 | $6.53M | 0.01% | 00.0% | Unchanged |
| Royce & Associates LP | 1,522,305 | $6.67M | 0.08% | +695,705+84.2% | Added |
| AWM Investment Company, Inc. | 1,784,192 | $7.82M | 1.19% | +272,695+18.0% | Added |
| Arosa Capital Management LP | 0 | $0 | 0.00% | −389,786−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −113,751−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −81,666−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −63,100−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −56,977−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −20,079−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −13,928−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −13,313−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −10,698−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −10,057−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −1,728−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −1,250−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −536−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −326−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −101−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −181−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −220−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −15−100.0% | Sold out |