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 2025
Institutional positions in American Superconductor Corp as of Mar 31, 2025. 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
- 189
- 0 vs. Q4 2024
- Shares held
- 27.5M
- +907.7K (+3.4%) vs. Q4 2024
- Total value
- $499.8M
- −$156.6M (−23.9%) vs. Q4 2024
- New holders
- 39
- 62 more added
- Sold out
- 39
- 63 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Voya Investment Management LLC | 19,199 | $348.3K | 0.00% | +8,594+81.0% | Added |
| GoalVest Advisory LLC | 18,900 | $342.8K | 0.09% | −1,100−5.5% | Reduced |
| PFG Investments, LLC | 18,900 | $342.8K | 0.02% | +7,550+66.5% | Added |
| Intech Investment Management LLC | 18,849 | $341.9K | 0.00% | +4,441+30.8% | Added |
| GWM Advisors LLC | 18,833 | $341.6K | 0.00% | −8,041−29.9% | Reduced |
| Integrated Quantitative Investments LLC | 18,100 | $328.3K | 0.16% | +18,100 | New |
| Journey Strategic Wealth LLC | 17,542 | $318.2K | 0.01% | +17,542 | New |
| Corebridge Financial, Inc. | 17,123 | $310.6K | 0.00% | −255−1.5% | Reduced |
| TFC Financial Management | 16,731 | $303.5K | 0.05% | +260+1.6% | Added |
| Sowell Financial Services LLC | 16,459 | $298.6K | 0.01% | +1,384+9.2% | Added |
| Janus Henderson Group PLC | 15,800 | $296.8K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 16,269 | $295.1K | 0.02% | +16,269 | New |
| SG Americas Securities, LLC | 15,839 | $287.0K | 0.00% | +8,105+104.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,916 | $270.6K | 0.00% | +2,719+22.3% | Added |
| Advisory Services Network, LLC | 14,017 | $254.3K | 0.00% | −2,543−15.4% | Reduced |
| Simplex Trading, LLC | 13,508 | $245.0K | 0.01% | −7,704−36.3% | Reduced |
| Massar Capital Management, LP | 13,397 | $243.0K | 0.29% | +13,397 | New |
| Capital Market Strategies LLC | 13,188 | $239.2K | 0.16% | +13,188 | New |
| Ieq Capital, LLC | 13,006 | $235.9K | 0.00% | −9,829−43.0% | Reduced |
| Emerald Mutual Fund Advisers Trust | 12,597 | $228.5K | 0.02% | +4,320+52.2% | Added |
| Manufacturers Life Insurance Company, The | 12,446 | $225.8K | 0.00% | −161−1.3% | Reduced |
| Man Group plc | 12,418 | $225.3K | 0.00% | +367+3.0% | Added |
| Wolverine Trading, LLC | 11,748 | $220.6K | 0.01% | −6,126−34.3% | Reduced |
| Acas, LLC | 10,165 | $206.2K | 0.16% | +10,165 | New |
| Truvestments Capital LLC | 11,176 | $202.7K | 0.04% | +11,176 | New |
| Kestra Advisory Services, LLC | 10,803 | $196.0K | 0.00% | +82+0.8% | Added |
| Arizona State Retirement System | 10,733 | $194.7K | 0.00% | −359−3.2% | Reduced |
| Two Sigma Securities, LLC | 10,500 | $190.5K | 0.03% | +10,500 | New |
| Kestra Private Wealth Services, LLC | 10,331 | $187.4K | 0.00% | +10,331 | New |
| Truist Financial Corp | 10,235 | $185.7K | 0.00% | +35+0.3% | Added |
| Oppenheimer & Co Inc | 10,000 | $181.4K | 0.00% | −2,500−20.0% | Reduced |
| National Bank of Canada | 9,506 | $172.3K | 0.00% | +2,072+27.9% | Added |
| GPS Wealth Strategies Group, LLC | 9,452 | $171.5K | 0.02% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 9,294 | $168.6K | 0.00% | −210−2.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,950 | $144.2K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 7,915 | $144.0K | 0.00% | +2,622+49.5% | Added |
| KLP Kapitalforvaltning AS | 6,900 | $125.2K | 0.00% | 00.0% | Unchanged |
| Point72 (DIFC) Ltd | 5,998 | $108.8K | 0.01% | +5,998 | New |
| BNP Paribas Arbitrage, SA | 5,830 | $105.8K | 0.00% | −6,509−52.8% | Reduced |
| Jones Financial Companies LLLP | 4,701 | $88.3K | 0.00% | +1,743+58.9% | Added |
| Ameritas Investment Partners, Inc. | 3,345 | $60.7K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 2,793 | $50.7K | 0.00% | +577+26.0% | Added |
| SBI Securities Co., Ltd. | 2,340 | $42.4K | 0.00% | −305−11.5% | Reduced |
| Tower Research Capital LLC (TRC) | 1,425 | $25.8K | 0.00% | −2,614−64.7% | Reduced |
| Clear Street Markets LLC | 1,280 | $23.2K | 0.02% | +1,280 | New |
| Amalgamated Bank | 1,185 | $21.0K | 0.00% | +4+0.3% | Added |
| Quarry LP | 1,066 | $19.3K | 0.00% | +269+33.8% | Added |
| Canada Pension Plan Investment Board | 1,000 | $18.1K | 0.00% | −1,000−50.0% | Reduced |
| CIBC Private Wealth Group, LLC | 1,088 | $17.4K | 0.00% | 00.0% | Unchanged |
| South State Corp. | 765 | $13.9K | 0.00% | +765 | New |
| Signaturefd, LLC | 750 | $13.6K | 0.00% | +500+200.0% | Added |
| Principal Securities, Inc. | 525 | $12.9K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 639 | $12.9K | 0.00% | −15−2.3% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 633 | $11.8K | 0.00% | +633 | New |
| Versant Capital Management, Inc | 609 | $11.0K | 0.00% | +609 | New |
| Nisa Investment Advisors, LLC | 540 | $9.80K | 0.00% | −143−20.9% | Reduced |
| Park Square Financial Group, LLC | 493 | $8.94K | 0.01% | 00.0% | Unchanged |
| GAMMA Investing LLC | 466 | $8.45K | 0.00% | +201+75.8% | Added |
| Atlantic Trust, LLC | 393 | $7.13K | 0.00% | 00.0% | Unchanged |
| Stonebridge Financial Group, LLC | 319 | $5.79K | 0.00% | +319 | New |
| Federation des caisses Desjardins du Quebec | 313 | $5.68K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 284 | $5.15K | 0.00% | +123+76.4% | Added |
| Capital Advisors, Ltd. LLC | 292 | $5.00K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 255 | $4.63K | 0.00% | +33+14.9% | Added |
| US Bancorp | 180 | $3.27K | 0.00% | +56+45.2% | Added |
| Larson Financial Group LLC | 177 | $3.21K | 0.00% | +177 | New |
| Russell Investments Group, Ltd. | 159 | $2.88K | 0.00% | −7−4.2% | Reduced |
| Boston Private Wealth LLC | 158 | $2.87K | 0.00% | +158 | New |
| Quest Partners LLC | 106 | $1.92K | 0.00% | −239−69.3% | Reduced |
| Archer Investment Corp | 100 | $1.81K | 0.00% | −300−75.0% | Reduced |
| Private Trust Co NA | 100 | $1.81K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 75 | $1.36K | 0.00% | +35+87.5% | Added |
| CoreCap Advisors, LLC | 65 | $1.18K | 0.00% | +65 | New |
| Spire Wealth Management | 64 | $1.16K | 0.00% | −17,453−99.6% | Reduced |
| EverSource Wealth Advisors, LLC | 51 | $925 | 0.00% | −79−60.8% | Reduced |
| Hager Investment Management Services, LLC | 50 | $907 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 40 | $726 | 0.00% | +40 | New |
| Whittier Trust Co of Nevada Inc | 40 | $725 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 35 | $635 | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 35 | $635 | 0.00% | +21+150.0% | Added |
| Farther Finance Advisors, LLC | 30 | $552 | 0.00% | 00.0% | Unchanged |
| Hexagon Capital Partners LLC | 30 | $544 | 0.00% | +30 | New |
| Rialto Wealth Management, LLC | 25 | $454 | 0.00% | +25 | New |
| The PNC Financial Services Group, Inc. | 24 | $435 | 0.00% | −2,958−99.2% | Reduced |
| Stephens Consulting, LLC | 20 | $363 | 0.00% | +20 | New |
| JFS Wealth Advisors, LLC | 10 | $182 | 0.00% | 00.0% | Unchanged |
| WealthTrak Capital Management LLC | 10 | $182 | 0.00% | +10 | New |
| IFP Advisors, Inc | 10 | $181 | 0.00% | −11−52.4% | Reduced |
| Covestor Ltd | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 0 | $0 | 0.00% | −2,038−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −296,792−100.0% | Sold out |
| KBC Group NV | 0 | $0 | 0.00% | −101,175−100.0% | Sold out |
| Ardsley Advisory Partners LP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| KP Management LLC | 0 | $0 | 0.00% | −95,000−100.0% | Sold out |
| Nkcfo LLC | 0 | $0 | 0.00% | −47,000−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −45,900−100.0% | Sold out |
| Main Management ETF Advisors, LLC | 0 | $0 | 0.00% | −31,328−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −26,791−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −20,906−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −20,049−100.0% | Sold out |