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, Q4 2022
Institutional positions in American Superconductor Corp as of Dec 31, 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
- 77
- −5 vs. Q3 2022
- Shares held
- 13.1M
- −787.8K (−5.7%) vs. Q3 2022
- Total value
- $48.4M
- −$12.7M (−20.7%) vs. Q3 2022
- New holders
- 12
- 20 more added
- Sold out
- 17
- 27 more reduced
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. | 2,536,283 | $9.33M | 1.35% | +752,091+42.2% | Added |
| Royce & Associates LP | 1,663,971 | $6.12M | 0.06% | +141,666+9.3% | Added |
| Baillie Gifford & Co | 1,491,370 | $5.49M | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,094,164 | $4.03M | 0.00% | +3,269+0.3% | Added |
| Invesco Ltd. | 1,014,843 | $3.73M | 0.00% | −169,616−14.3% | Reduced |
| ArrowMark Colorado Holdings LLC | 564,000 | $2.08M | 0.02% | −86,000−13.2% | Reduced |
| BlackRock Inc. | 520,239 | $1.91M | 0.00% | +463+0.1% | Added |
| KBC Group NV | 481,369 | $1.77M | 0.01% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 464,479 | $1.71M | 0.00% | −129,140−21.8% | Reduced |
| Dimensional Fund Advisors LP | 461,252 | $1.70M | 0.00% | +108,929+30.9% | Added |
| CM Management, LLC | 330,000 | $1.21M | 1.45% | +30,000+10.0% | Added |
| Geode Capital Management, LLC | 278,227 | $1.02M | 0.00% | +10,529+3.9% | Added |
| First Trust Advisors LP | 255,337 | $939.2K | 0.00% | +1,695+0.7% | Added |
| JPMorgan Chase & Co | 251,987 | $927.0K | 0.00% | +49,242+24.3% | Added |
| Gsa Capital Partners LLP | 130,378 | $480.0K | 0.06% | +55,298+73.7% | Added |
| Millennium Management LLC | 113,892 | $419.0K | 0.00% | −17,971−13.6% | Reduced |
| Renaissance Technologies LLC | 102,189 | $376.0K | 0.00% | −34,700−25.3% | Reduced |
| State Street Corp | 92,696 | $341.1K | 0.00% | −543,894−85.4% | Reduced |
| Bridgeway Capital Management, LLC | 91,200 | $335.6K | 0.01% | +20,000+28.1% | Added |
| Merit Financial Group, LLC | 74,954 | $275.8K | 0.01% | +74,954 | New |
| Marshall Wace, LLP | 69,669 | $256.4K | 0.00% | −14,072−16.8% | Reduced |
| Deutsche Bank AG | 67,870 | $249.8K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 64,987 | $239.2K | 0.00% | +31,934+96.6% | Added |
| Bank of America Corp | 61,145 | $225.0K | 0.00% | −41,140−40.2% | Reduced |
| Morgan Stanley | 58,317 | $214.6K | 0.00% | −17,884−23.5% | Reduced |
| Man Group plc | 50,800 | $186.9K | 0.00% | −54,646−51.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 50,630 | $186.3K | 0.00% | −789−1.5% | Reduced |
| Northern Trust Corp | 50,313 | $185.2K | 0.00% | +2,825+5.9% | Added |
| State of Wisconsin Investment Board | 50,000 | $184.0K | 0.00% | −26,600−34.7% | Reduced |
| Group One Trading, L.P. | 48,256 | $177.6K | 0.01% | +48,256 | New |
| Citadel Advisors LLC | 43,093 | $158.6K | 0.00% | +9,274+27.4% | Added |
| Royal Bank of Canada | 43,194 | $158.0K | 0.00% | −11,514−21.0% | Reduced |
| Price T Rowe Associates Inc | 40,100 | $148.0K | 0.00% | −5,500−12.1% | Reduced |
| Jane Street Group, LLC | 35,042 | $129.0K | 0.00% | +35,042 | New |
| Journey Strategic Wealth LLC | 35,000 | $128.8K | 0.02% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 32,265 | $117.0K | 0.00% | +32,265 | New |
| Two Sigma Advisers, LP | 29,800 | $109.7K | 0.00% | −23,800−44.4% | Reduced |
| Bank of New York Mellon Corp | 28,890 | $106.3K | 0.00% | −134−0.5% | Reduced |
| Qube Research & Technologies Ltd | 24,004 | $88.3K | 0.00% | +271+1.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 23,695 | $87.2K | 0.00% | +6,369+36.8% | Added |
| Joule Financial, LLC | 21,232 | $78.1K | 0.05% | −799−3.6% | Reduced |
| PDT Partners, LLC | 21,177 | $77.9K | 0.01% | +7,833+58.7% | Added |
| Jump Financial, LLC | 18,900 | $69.6K | 0.00% | −16,300−46.3% | Reduced |
| TFC Financial Management | 16,471 | $60.6K | 0.02% | −6,079−27.0% | Reduced |
| Engineers Gate Manager LP | 16,241 | $59.8K | 0.00% | −16,469−50.3% | Reduced |
| Atria Wealth Solutions, Inc. | 15,735 | $57.9K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 15,396 | $56.7K | 0.00% | −645−4.0% | Reduced |
| Greenwich Wealth Management LLC | 14,366 | $53.0K | 0.01% | −1,723−10.7% | Reduced |
| Vontobel Holding Ltd. | 14,000 | $51.5K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 11,635 | $42.0K | 0.00% | +11,635 | New |
| Cubist Systematic Strategies, LLC | 10,998 | $40.5K | 0.00% | +10,998 | New |
| UBS Group AG | 10,986 | $40.4K | 0.00% | +2,445+28.6% | Added |
| Tower Research Capital LLC (TRC) | 7,971 | $29.0K | 0.00% | +7,971 | New |
| Dark Forest Capital Management LP | 7,241 | $26.6K | 0.01% | +7,241 | New |
| Citigroup Inc | 5,890 | $21.7K | 0.00% | −574−8.9% | Reduced |
| Global Retirement Partners, LLC | 4,360 | $16.0K | 0.00% | −170−3.8% | Reduced |
| Advisor Group Holdings, Inc. | 3,565 | $13.0K | 0.00% | +40+1.1% | Added |
| M&R Capital Management Inc | 2,000 | $7.36K | 0.00% | +2,000 | New |
| Wells Fargo & Company | 1,429 | $5.26K | 0.00% | −991−41.0% | Reduced |
| Tilia Fiduciary Partners, Inc. | 1,100 | $4.05K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,200 | $4.00K | 0.00% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 992 | $3.65K | 0.00% | +74+8.1% | Added |
| Nisa Investment Advisors, LLC | 540 | $2.00K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 500 | $1.84K | 0.00% | −350−41.2% | Reduced |
| Federated Hermes, Inc. | 391 | $1.44K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 300 | $1.10K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 223 | $821 | 0.00% | +223 | New |
| CoreCap Advisors, LLC | 220 | $810 | 0.00% | +220 | New |
| US Bancorp | 128 | $471 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 57 | $210 | 0.00% | −523−90.2% | Reduced |
| Whittier Trust Co of Nevada Inc | 40 | $147 | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 36 | $132 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 10 | $37 | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 10 | $37 | 0.00% | +10 | New |
| Barclays PLC | 4 | $15 | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 50 | $0 | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. LLC | 36 | $0 | 0.00% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −330,251−100.0% | Sold out |
| BIT Capital GmbH | 0 | $0 | 0.00% | −111,109−100.0% | Sold out |
| GMT Capital Corp | 0 | $0 | 0.00% | −108,066−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −88,817−100.0% | Sold out |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 0 | $0 | 0.00% | −67,326−100.0% | Sold out |
| Formula Growth Ltd | 0 | $0 | 0.00% | −65,000−100.0% | Sold out |
| Harel Insurance Investments & Financial Services Ltd. | 0 | $0 | 0.00% | −59,863−100.0% | Sold out |
| Prescott Group Capital Management, L.L.C. | 0 | $0 | 0.00% | −55,000−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −52,753−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −37,526−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −24,586−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −17,832−100.0% | Sold out |
| Investors Asset Management of Georgia Inc | 0 | $0 | 0.00% | −9,200−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −2,700−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −656−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −132−100.0% | Sold out |
| Hudock, Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |