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, Q1 2022
Institutional positions in American Superconductor Corp as of Mar 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
- 107
- 0 vs. Q4 2021
- Shares held
- 15.7M
- −736.9K (−4.5%) vs. Q4 2021
- Total value
- $119.5M
- −$59.0M (−33.1%) vs. Q4 2021
- New holders
- 20
- 36 more added
- Sold out
- 20
- 26 more reduced
Compare with Q4 2021: 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, Q1 2022
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Invesco Ltd. | 2,116,695 | $16.1M | 0.00% | +44,479+2.1% | Added |
| BlackRock Inc. | 1,847,222 | $14.1M | 0.00% | −58,927−3.1% | Reduced |
| Baillie Gifford & Co | 1,491,370 | $11.3M | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,229,451 | $9.36M | 0.00% | +18,425+1.5% | Added |
| State Street Corp | 1,050,312 | $7.99M | 0.00% | −44,167−4.0% | Reduced |
| AWM Investment Company, Inc. | 962,242 | $7.32M | 0.94% | +107,708+12.6% | Added |
| Royce & Associates LP | 779,600 | $5.93M | 0.05% | +30,000+4.0% | Added |
| D. E. Shaw & Co., Inc. | 599,932 | $4.57M | 0.01% | +7,542+1.3% | Added |
| ArrowMark Colorado Holdings LLC | 515,000 | $3.92M | 0.03% | +100,000+24.1% | Added |
| Geode Capital Management, LLC | 494,724 | $3.76M | 0.00% | +29,079+6.2% | Added |
| Erste Asset Management GmbH | 375,390 | $2.90M | 0.06% | +28,300+8.2% | Added |
| Dimensional Fund Advisors LP | 318,885 | $2.43M | 0.00% | +83,984+35.8% | Added |
| First Trust Advisors LP | 304,335 | $2.32M | 0.00% | −59,940−16.5% | Reduced |
| Arosa Capital Management LP | 300,000 | $2.28M | 0.70% | +50,000+20.0% | Added |
| Northern Trust Corp | 229,675 | $1.75M | 0.00% | −10,581−4.4% | Reduced |
| Alps Advisors Inc | 174,911 | $1.33M | 0.01% | −57,322−24.7% | Reduced |
| Eaton Vance Management | 149,088 | $1.14M | 0.00% | +148,588+29,717.6% | Added |
| Bank of America Corp | 146,560 | $1.11M | 0.00% | +104,346+247.2% | Added |
| JPMorgan Chase & Co | 138,174 | $1.05M | 0.00% | +59,028+74.6% | Added |
| KBC Group NV | 134,884 | $1.03M | 0.00% | +45,196+50.4% | Added |
| Bank of New York Mellon Corp | 125,856 | $958.0K | 0.00% | −5,215−4.0% | Reduced |
| Nuveen Asset Management, LLC | 108,469 | $950.0K | 0.00% | +616+0.6% | Added |
| CM Management, LLC | 120,000 | $913.0K | 0.77% | +40,000+50.0% | Added |
| GMT Capital Corp | 108,066 | $822.0K | 0.05% | +108,066 | New |
| Citadel Advisors LLC | 97,902 | $745.0K | 0.00% | +35,410+56.7% | Added |
| Millennium Management LLC | 89,121 | $678.0K | 0.00% | −84,852−48.8% | Reduced |
| Morgan Stanley | 86,657 | $661.0K | 0.00% | +10,993+14.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 83,269 | $634.0K | 0.00% | +57,880+228.0% | Added |
| Deutsche Bank AG | 82,855 | $631.0K | 0.00% | −58,301−41.3% | Reduced |
| Group One Trading, L.P. | 82,814 | $630.0K | 0.01% | +60,341+268.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 82,551 | $628.0K | 0.00% | +9,791+13.5% | Added |
| Renaissance Technologies LLC | 79,889 | $608.0K | 0.00% | +79,889 | New |
| Charles Schwab Investment Management Inc | 70,125 | $534.0K | 0.00% | +774+1.1% | Added |
| Formula Growth Ltd | 65,000 | $495.0K | 0.09% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 63,957 | $487.0K | 0.00% | +30,750+92.6% | Added |
| Susquehanna International Group, LLP | 61,940 | $471.0K | 0.00% | +61,940 | New |
| Assenagon Asset Management S.A. | 61,269 | $466.0K | 0.00% | +22,436+57.8% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 60,854 | $463.0K | 0.01% | −957−1.5% | Reduced |
| State of Wisconsin Investment Board | 58,700 | $447.0K | 0.00% | +58,700 | New |
| Royal Bank of Canada | 50,048 | $381.0K | 0.00% | +2,136+4.5% | Added |
| Gsa Capital Partners LLP | 38,816 | $295.0K | 0.04% | −24,360−38.6% | Reduced |
| PEAK6 Investments LLC | 36,310 | $276.0K | 0.01% | −25,075−40.8% | Reduced |
| Rhumbline Advisers | 35,760 | $272.0K | 0.00% | −108−0.3% | Reduced |
| Journey Strategic Wealth LLC | 35,000 | $266.0K | 0.03% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 29,672 | $225.8K | 0.00% | +17,916+152.4% | Added |
| Price T Rowe Associates Inc | 26,359 | $201.0K | 0.00% | +500+1.9% | Added |
| Ardsley Advisory Partners LP | 25,000 | $190.0K | 0.04% | +25,000 | New |
| Tatro Capital, LLC | 23,395 | $178.0K | 0.13% | +1,684+7.8% | Added |
| Parametric Portfolio Associates LLC | 22,766 | $173.0K | 0.00% | +11,566+103.3% | Added |
| TFC Financial Management | 22,550 | $172.0K | 0.05% | 00.0% | Unchanged |
| STRS Ohio | 22,100 | $168.0K | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 21,704 | $165.0K | 0.00% | −1,238−5.4% | Reduced |
| Quadrature Capital Ltd | 21,382 | $162.0K | 0.01% | +11,154+109.1% | Added |
| New York State Common Retirement Fund | 19,045 | $145.0K | 0.00% | +10+0.1% | Added |
| Caxton Associates LP | 17,832 | $136.0K | 0.01% | +17,832 | New |
| Quantbot Technologies LP | 17,804 | $135.0K | 0.01% | +17,804 | New |
| PDT Partners, LLC | 16,500 | $126.0K | 0.01% | +16,500 | New |
| Raymond James Financial Services Advisors, Inc. | 16,489 | $125.0K | 0.00% | +552+3.5% | Added |
| MetLife Investment Management | 16,405 | $124.8K | 0.00% | +5,575+51.5% | Added |
| UBS Group AG | 16,197 | $123.0K | 0.00% | −1,249−7.2% | Reduced |
| Paloma Partners Management Co | 15,943 | $121.0K | 0.01% | +15,943 | New |
| ExodusPoint Capital Management, LP | 15,260 | $116.0K | 0.00% | +4,570+42.8% | Added |
| Vontobel Holding Ltd. | 14,000 | $107.0K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 13,711 | $104.0K | 0.00% | −965−6.6% | Reduced |
| XTX Topco Ltd | 13,464 | $102.0K | 0.04% | +13,464 | New |
| Manufacturers Life Insurance Company, The | 13,093 | $99.6K | 0.00% | −3,325−20.3% | Reduced |
| California State Teachers Retirement System | 11,970 | $91.0K | 0.00% | −2,956−19.8% | Reduced |
| Voya Investment Management LLC | 11,993 | $91.0K | 0.00% | +1,557+14.9% | Added |
| Squarepoint Ops LLC | 11,835 | $90.0K | 0.00% | −17,933−60.2% | Reduced |
| Tower Research Capital LLC (TRC) | 11,777 | $90.0K | 0.00% | −2,319−16.5% | Reduced |
| Man Group plc | 11,800 | $90.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 8,518 | $65.0K | 0.00% | −4,504−34.6% | Reduced |
| Wells Fargo & Company | 6,937 | $52.0K | 0.00% | −13,000−65.2% | Reduced |
| Citigroup Inc | 5,897 | $45.0K | 0.00% | −2,609−30.7% | Reduced |
| Barclays PLC | 4,488 | $34.0K | 0.00% | −62,562−93.3% | Reduced |
| Amalgamated Bank | 3,339 | $25.0K | 0.00% | +3,339 | New |
| Amalgamated Financial Corp. | 3,339 | $25.0K | 0.00% | +3,339 | New |
| Global Retirement Partners, LLC | 3,530 | $18.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,276 | $17.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,255 | $17.0K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 1,800 | $14.0K | 0.02% | +1,800 | New |
| Metropolitan Life Insurance Co | 1,781 | $13.6K | 0.00% | −5,641−76.0% | Reduced |
| Patriot Financial Group Insurance Agency, LLC | 1,728 | $13.0K | 0.00% | −235−12.0% | Reduced |
| Walleye Trading LLC | 1,686 | $13.0K | 0.00% | +1,686 | New |
| Leonteq Securities AG | 1,250 | $9.51K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,200 | $9.00K | 0.00% | 00.0% | Unchanged |
| Tilia Fiduciary Partners, Inc. | 1,100 | $8.00K | 0.01% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 951 | $7.00K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 850 | $6.00K | 0.00% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 600 | $4.57K | 0.00% | 00.0% | Unchanged |
| Arcadia Investment Management Corp | 470 | $4.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 487 | $4.00K | 0.00% | +487 | New |
| Nisa Investment Advisors, LLC | 540 | $4.00K | 0.00% | +540 | New |
| McCarthy Asset Management, Inc. | 375 | $3.00K | 0.00% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 400 | $3.00K | 0.00% | +148+58.7% | Added |
| Federation des caisses Desjardins du Quebec | 300 | $2.28K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 211 | $2.00K | 0.00% | +211 | New |
| US Bancorp | 128 | $1.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 70 | $1.00K | 0.00% | 00.0% | Unchanged |
| Raffa Wealth Management, LLC | 124 | $944 | 0.00% | 00.0% | Unchanged |