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
- −703.4K (−4.3%) vs. Q4 2021
- Total value
- $119.5M
- −$58.7M (−32.9%) 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 | $953.2M |
| 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, 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 |
|---|---|---|---|---|---|
| Cutler Group LP | 32 | $0 | 0.00% | −180−84.9% | Reduced |
| Whittier Trust Co of Nevada Inc | 40 | $0 | 0.00% | 00.0% | Unchanged |
| Hudock, Inc. | 4 | $0 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 10 | $0 | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 3 | $0 | 0.00% | +3 | New |
| Bartlett & Co. LLC | 36 | $0 | 0.00% | +36 | New |
| Bartlett & Co. Wealth Management LLC | 36 | $274 | 0.00% | +36 | New |
| Raffa Wealth Management, LLC | 124 | $944 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 128 | $1.00K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 70 | $1.00K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 211 | $2.00K | 0.00% | +211 | New |
| Federation des caisses Desjardins du Quebec | 300 | $2.28K | 0.00% | 00.0% | Unchanged |
| 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 |
| 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 |
| Koshinski Asset Management, Inc. | 600 | $4.57K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 850 | $6.00K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 951 | $7.00K | 0.00% | 00.0% | Unchanged |
| Tilia Fiduciary Partners, Inc. | 1,100 | $8.00K | 0.01% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 1,200 | $9.00K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 1,250 | $9.51K | 0.00% | 00.0% | Unchanged |
| 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 |
| Metropolitan Life Insurance Co | 1,781 | $13.6K | 0.00% | −5,641−76.0% | Reduced |
| Aquatic Capital Management LLC | 1,800 | $14.0K | 0.02% | +1,800 | New |
| 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 |
| Global Retirement Partners, LLC | 3,530 | $18.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 3,339 | $25.0K | 0.00% | +3,339 | New |
| Amalgamated Financial Corp. | 3,339 | $25.0K | 0.00% | +3,339 | New |
| Barclays PLC | 4,488 | $34.0K | 0.00% | −29,037−86.6% | Reduced |
| Citigroup Inc | 5,897 | $45.0K | 0.00% | −2,609−30.7% | Reduced |
| Wells Fargo & Company | 6,937 | $52.0K | 0.00% | −13,000−65.2% | Reduced |
| Advisor Group Holdings, Inc. | 8,518 | $65.0K | 0.00% | −4,504−34.6% | Reduced |
| 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 |
| 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 |
| Manufacturers Life Insurance Company, The | 13,093 | $99.6K | 0.00% | −3,325−20.3% | Reduced |
| XTX Topco Ltd | 13,464 | $102.0K | 0.04% | +13,464 | New |
| American International Group, Inc. | 13,711 | $104.0K | 0.00% | −965−6.6% | Reduced |
| Vontobel Holding Ltd. | 14,000 | $107.0K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 15,260 | $116.0K | 0.00% | +4,570+42.8% | Added |
| Paloma Partners Management Co | 15,943 | $121.0K | 0.01% | +15,943 | New |
| UBS Group AG | 16,197 | $123.0K | 0.00% | −1,249−7.2% | Reduced |
| MetLife Investment Management | 16,405 | $124.8K | 0.00% | +5,575+51.5% | Added |
| Raymond James Financial Services Advisors, Inc. | 16,489 | $125.0K | 0.00% | +552+3.5% | Added |
| PDT Partners, LLC | 16,500 | $126.0K | 0.01% | +16,500 | New |
| Quantbot Technologies LP | 17,804 | $135.0K | 0.01% | +17,804 | New |
| Caxton Associates LP | 17,832 | $136.0K | 0.01% | +17,832 | New |
| New York State Common Retirement Fund | 19,045 | $145.0K | 0.00% | +10+0.1% | Added |
| Quadrature Capital Ltd | 21,382 | $162.0K | 0.01% | +11,154+109.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 21,704 | $165.0K | 0.00% | −1,238−5.4% | Reduced |
| STRS Ohio | 22,100 | $168.0K | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 22,550 | $172.0K | 0.05% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 22,766 | $173.0K | 0.00% | +11,566+103.3% | Added |
| Tatro Capital, LLC | 23,395 | $178.0K | 0.13% | +1,684+7.8% | Added |
| Ardsley Advisory Partners LP | 25,000 | $190.0K | 0.04% | +25,000 | New |
| Price T Rowe Associates Inc | 26,359 | $201.0K | 0.00% | +500+1.9% | Added |
| BNP Paribas Arbitrage, SA | 29,672 | $225.8K | 0.00% | +17,916+152.4% | Added |
| Journey Strategic Wealth LLC | 35,000 | $266.0K | 0.03% | 00.0% | Unchanged |
| Rhumbline Advisers | 35,760 | $272.0K | 0.00% | −108−0.3% | Reduced |
| PEAK6 Investments LLC | 36,310 | $276.0K | 0.01% | −25,075−40.8% | Reduced |
| Gsa Capital Partners LLP | 38,816 | $295.0K | 0.04% | −24,360−38.6% | Reduced |
| Royal Bank of Canada | 50,048 | $381.0K | 0.00% | +2,136+4.5% | Added |
| State of Wisconsin Investment Board | 58,700 | $447.0K | 0.00% | +58,700 | New |
| Harel Insurance Investments & Financial Services Ltd. | 60,854 | $463.0K | 0.01% | −957−1.5% | Reduced |
| Assenagon Asset Management S.A. | 61,269 | $466.0K | 0.00% | +22,436+57.8% | Added |
| Susquehanna International Group, LLP | 61,940 | $471.0K | 0.00% | +61,940 | New |
| Goldman Sachs Group Inc | 63,957 | $487.0K | 0.00% | +30,750+92.6% | Added |
| Formula Growth Ltd | 65,000 | $495.0K | 0.09% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 70,125 | $534.0K | 0.00% | +774+1.1% | Added |
| Renaissance Technologies LLC | 79,889 | $608.0K | 0.00% | +79,889 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 82,551 | $628.0K | 0.00% | +9,791+13.5% | Added |
| Group One Trading, L.P. | 82,814 | $630.0K | 0.01% | +60,341+268.5% | Added |
| Deutsche Bank AG | 82,855 | $631.0K | 0.00% | −58,301−41.3% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 83,269 | $634.0K | 0.00% | +57,880+228.0% | Added |
| Morgan Stanley | 86,657 | $661.0K | 0.00% | +10,993+14.5% | Added |
| Millennium Management LLC | 89,121 | $678.0K | 0.00% | −84,852−48.8% | Reduced |
| Citadel Advisors LLC | 97,902 | $745.0K | 0.00% | +35,410+56.7% | Added |
| GMT Capital Corp | 108,066 | $822.0K | 0.05% | +108,066 | New |
| CM Management, LLC | 120,000 | $913.0K | 0.77% | +40,000+50.0% | Added |
| Nuveen Asset Management, LLC | 108,469 | $950.0K | 0.00% | +616+0.6% | Added |
| Bank of New York Mellon Corp | 125,856 | $958.0K | 0.00% | −5,215−4.0% | Reduced |
| KBC Group NV | 134,884 | $1.03M | 0.00% | +45,196+50.4% | Added |
| JPMorgan Chase & Co | 138,174 | $1.05M | 0.00% | +59,028+74.6% | Added |
| Bank of America Corp | 146,560 | $1.11M | 0.00% | +104,346+247.2% | Added |
| Eaton Vance Management | 149,088 | $1.14M | 0.00% | +148,588+29,717.6% | Added |
| Alps Advisors Inc | 174,911 | $1.33M | 0.01% | −57,322−24.7% | Reduced |
| Northern Trust Corp | 229,675 | $1.75M | 0.00% | −10,581−4.4% | Reduced |
| Arosa Capital Management LP | 300,000 | $2.28M | 0.70% | +50,000+20.0% | Added |
| First Trust Advisors LP | 304,335 | $2.32M | 0.00% | −59,940−16.5% | Reduced |
| Dimensional Fund Advisors LP | 318,885 | $2.43M | 0.00% | +83,984+35.8% | Added |
| Erste Asset Management GmbH | 375,390 | $2.90M | 0.06% | +28,300+8.2% | Added |
| Geode Capital Management, LLC | 494,724 | $3.76M | 0.00% | +29,079+6.2% | Added |
| ArrowMark Colorado Holdings LLC | 515,000 | $3.92M | 0.03% | +100,000+24.1% | Added |
| D. E. Shaw & Co., Inc. | 599,932 | $4.57M | 0.01% | +7,542+1.3% | Added |