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 | $953.6M |
| 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, 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 |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. | 1,784,192 | $7.82M | 1.19% | +272,695+18.0% | Added |
| Royce & Associates LP | 1,522,305 | $6.67M | 0.08% | +695,705+84.2% | Added |
| Baillie Gifford & Co | 1,491,370 | $6.53M | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 1,184,459 | $5.19M | 0.00% | +89,138+8.1% | Added |
| Vanguard Group Inc | 1,090,895 | $4.78M | 0.00% | −30,175−2.7% | Reduced |
| ArrowMark Colorado Holdings LLC | 650,000 | $2.85M | 0.03% | +105,000+19.3% | Added |
| State Street Corp | 636,590 | $2.79M | 0.00% | +32,937+5.5% | Added |
| D. E. Shaw & Co., Inc. | 593,619 | $2.60M | 0.00% | −57,239−8.8% | Reduced |
| BlackRock Inc. | 519,776 | $2.28M | 0.00% | −3,170−0.6% | Reduced |
| KBC Group NV | 481,369 | $2.11M | 0.01% | +202,955+72.9% | Added |
| Dimensional Fund Advisors LP | 352,323 | $1.54M | 0.00% | +10,657+3.1% | Added |
| Assenagon Asset Management S.A. | 330,251 | $1.45M | 0.01% | +330,251 | New |
| CM Management, LLC | 300,000 | $1.31M | 1.47% | +80,000+36.4% | Added |
| Geode Capital Management, LLC | 267,698 | $1.17M | 0.00% | +9,299+3.6% | Added |
| First Trust Advisors LP | 253,642 | $1.11M | 0.00% | −33,020−11.5% | Reduced |
| JPMorgan Chase & Co | 202,745 | $888.0K | 0.00% | +26,595+15.1% | Added |
| Renaissance Technologies LLC | 136,889 | $600.0K | 0.00% | +95,200+228.4% | Added |
| Millennium Management LLC | 131,863 | $578.0K | 0.00% | −447,637−77.2% | Reduced |
| BIT Capital GmbH | 111,109 | $486.7K | 0.09% | +111,109 | New |
| GMT Capital Corp | 108,066 | $473.0K | 0.03% | 00.0% | Unchanged |
| Man Group plc | 105,446 | $462.0K | 0.00% | – | – |
| Bank of America Corp | 102,285 | $448.0K | 0.00% | +45,744+80.9% | Added |
| Two Sigma Investments, LP | 88,817 | $389.0K | 0.00% | +37,612+73.5% | Added |
| Marshall Wace, LLP | 83,741 | $366.0K | 0.00% | +11,829+16.4% | Added |
| State of Wisconsin Investment Board | 76,600 | $336.0K | 0.00% | −47,200−38.1% | Reduced |
| Morgan Stanley | 76,201 | $334.0K | 0.00% | −65,143−46.1% | Reduced |
| Gsa Capital Partners LLP | 75,080 | $329.0K | 0.04% | +7,821+11.6% | Added |
| Bridgeway Capital Management, LLC | 71,200 | $312.0K | 0.01% | +71,200 | New |
| Deutsche Bank AG | 67,870 | $297.0K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 67,326 | $295.0K | 0.00% | −16,372−19.6% | Reduced |
| Formula Growth Ltd | 65,000 | $285.0K | 0.08% | 00.0% | Unchanged |
| Harel Insurance Investments & Financial Services Ltd. | 59,863 | $266.0K | 0.01% | −315−0.5% | Reduced |
| Prescott Group Capital Management, L.L.C. | 55,000 | $241.0K | 0.07% | +55,000 | New |
| Royal Bank of Canada | 54,708 | $240.0K | 0.00% | +9,335+20.6% | Added |
| Two Sigma Advisers, LP | 53,600 | $235.0K | 0.00% | +42,300+374.3% | Added |
| XTX Topco Ltd | 52,753 | $231.0K | 0.06% | +983+1.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 51,419 | $225.0K | 0.00% | +23,752+85.8% | Added |
| Northern Trust Corp | 47,488 | $208.0K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 45,600 | $200.0K | 0.00% | +21,600+90.0% | Added |
| Goldman Sachs Group Inc | 37,526 | $164.0K | 0.00% | −4,852−11.4% | Reduced |
| Jump Financial, LLC | 35,200 | $155.0K | 0.01% | +4,400+14.3% | Added |
| Journey Strategic Wealth LLC | 35,000 | $153.0K | 0.02% | 00.0% | Unchanged |
| Citadel Advisors LLC | 33,819 | $148.0K | 0.00% | −26,340−43.8% | Reduced |
| Susquehanna International Group, LLP | 33,053 | $145.0K | 0.00% | −169,832−83.7% | Reduced |
| Engineers Gate Manager LP | 32,710 | $143.0K | 0.01% | −97,863−74.9% | Reduced |
| Bank of New York Mellon Corp | 29,024 | $127.0K | 0.00% | −665−2.2% | Reduced |
| Quadrature Capital Ltd | 24,586 | $107.0K | 0.00% | +24,586 | New |
| Qube Research & Technologies Ltd | 23,733 | $104.0K | 0.00% | −2,217−8.5% | Reduced |
| TFC Financial Management | 22,550 | $99.0K | 0.03% | 00.0% | Unchanged |
| Joule Financial, LLC | 22,031 | $96.0K | 0.07% | +1,021+4.9% | Added |
| Caxton Associates LP | 17,832 | $78.0K | 0.01% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 17,326 | $76.0K | 0.00% | −9,423−35.2% | 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 |
| Atria Wealth Solutions, Inc. | 15,735 | $68.9K | 0.00% | −200−1.3% | Reduced |
| Vontobel Holding Ltd. | 14,000 | $61.0K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 13,344 | $58.0K | 0.01% | −10,358−43.7% | Reduced |
| Investors Asset Management of Georgia Inc | 9,200 | $40.0K | 0.02% | 00.0% | Unchanged |
| UBS Group AG | 8,541 | $38.0K | 0.00% | −1,500−14.9% | Reduced |
| Citigroup Inc | 6,464 | $28.0K | 0.00% | +1,312+25.5% | Added |
| Global Retirement Partners, LLC | 4,530 | $20.0K | 0.00% | +1,000+28.3% | Added |
| Advisor Group Holdings, Inc. | 3,525 | $15.0K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 2,700 | $12.0K | 0.00% | +2,700 | New |
| Wells Fargo & Company | 2,420 | $11.0K | 0.00% | +1,019+72.7% | Added |
| Rockefeller Capital Management L.P. | 1,200 | $5.00K | 0.00% | 00.0% | Unchanged |
| 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 |
| First Manhattan Co | 850 | $3.00K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 656 | $3.00K | 0.00% | +656 | New |
| BNP Paribas Arbitrage, SA | 580 | $2.54K | 0.00% | −1,478−71.8% | Reduced |
| Nisa Investment Advisors, LLC | 540 | $2.00K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 391 | $2.00K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 300 | $1.31K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 128 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 36 | $158 | 0.00% | 00.0% | Unchanged |
| 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 |
| 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 |