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 2025
Institutional positions in American Superconductor Corp as of Sep 30, 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
- 273
- +43 vs. Q2 2025
- Shares held
- 32.7M
- +6.83K (0.0%) vs. Q2 2025
- Total value
- $1.94B
- +$741.3M (+61.8%) vs. Q2 2025
- New holders
- 72
- 93 more added
- Sold out
- 29
- 81 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mackenzie Financial Corp | 34,289 | $2.04M | 0.00% | −15,481−31.1% | Reduced |
| Wolverine Trading, LLC | 33,287 | $2.03M | 0.04% | +33,287 | New |
| Point72 Asset Management, L.P. | 33,223 | $1.97M | 0.00% | −12,436−27.2% | Reduced |
| Kornitzer Capital Management Inc | 33,000 | $1.96M | 0.04% | −3,660−10.0% | Reduced |
| Colony Group, LLC | 32,919 | $1.95M | 0.00% | +32,919 | New |
| Merit Financial Group, LLC | 31,855 | $1.89M | 0.02% | −18,040−36.2% | Reduced |
| SG Americas Securities, LLC | 31,823 | $1.89M | 0.01% | +24,231+319.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 30,067 | $1.79M | 0.00% | +5,367+21.7% | Added |
| Quantum Private Wealth, LLC | 29,223 | $1.74M | 0.51% | +1,800+6.6% | Added |
| Quantbot Technologies LP | 26,831 | $1.59M | 0.04% | +19,329+257.7% | Added |
| Virtus ETF Advisers LLC | 25,990 | $1.54M | 0.85% | +1,175+4.7% | Added |
| Los Angeles Capital Management LLC | 25,637 | $1.52M | 0.01% | +944+3.8% | Added |
| Truist Financial Corp | 25,500 | $1.51M | 0.00% | +3,230+14.5% | Added |
| MetLife Investment Management | 25,405 | $1.51M | 0.01% | +25,405 | New |
| IMC-Chicago, LLC | 25,044 | $1.49M | 0.03% | +6,435+34.6% | Added |
| State Board of Administration of Florida Retirement System | 24,264 | $1.44M | 0.00% | +3,615+17.5% | Added |
| Dark Forest Capital Management LP | 23,858 | $1.42M | 0.05% | −10,889−31.3% | Reduced |
| Manufacturers Life Insurance Company, The | 22,607 | $1.34M | 0.00% | +8,902+65.0% | Added |
| Russell Investments Group, Ltd. | 22,393 | $1.33M | 0.00% | +14,657+189.5% | Added |
| Dorsey & Whitney Trust CO LLC | 21,611 | $1.28M | 0.07% | 00.0% | Unchanged |
| Credit Agricole S A | 21,535 | $1.28M | 0.00% | +21,535 | New |
| Oppenheimer & Co Inc | 20,100 | $1.19M | 0.01% | −23,495−53.9% | Reduced |
| Intech Investment Management LLC | 20,007 | $1.19M | 0.01% | −6,351−24.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 19,711 | $1.17M | 0.04% | +4,415+28.9% | Added |
| Ameriprise Financial Inc | 19,021 | $1.13M | 0.00% | +19,021 | New |
| Fox Run Management, L.L.C. | 18,861 | $1.12M | 0.17% | −18,644−49.7% | Reduced |
| Comerica Bank | 18,808 | $1.12M | 0.00% | +13,147+232.2% | Added |
| GoalVest Advisory LLC | 18,400 | $1.09M | 0.23% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,806 | $1.06M | 0.00% | +2,890+19.4% | Added |
| TFC Financial Management | 16,842 | $1.00M | 0.13% | +111+0.7% | Added |
| Advisory Services Network, LLC | 16,529 | $981.7K | 0.01% | −250−1.5% | Reduced |
| Traynor Capital Management, Inc. | 16,410 | $974.6K | 0.06% | +16,410 | New |
| STRS Ohio | 16,400 | $974.0K | 0.00% | −3,200−16.3% | Reduced |
| Man Group plc | 16,114 | $957.0K | 0.00% | −2,789−14.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 16,110 | $956.8K | 0.01% | +16,110 | New |
| Gsa Capital Partners LLP | 15,798 | $938.0K | 0.08% | +8,325+111.4% | Added |
| Citadel Advisors LLC | 14,821 | $880.2K | 0.00% | −674,870−97.9% | Reduced |
| Two Sigma Advisers, LP | 14,400 | $855.2K | 0.00% | +14,400 | New |
| Voya Investment Management LLC | 14,229 | $845.1K | 0.00% | −5,822−29.0% | Reduced |
| Commonwealth Equity Services, LLC | 13,905 | $826.0K | 0.00% | +131+1.0% | Added |
| Truvestments Capital LLC | 13,530 | $803.5K | 0.15% | +641+5.0% | Added |
| Neo Ivy Capital Management | 13,520 | $803.0K | 0.20% | +13,520 | New |
| Mariner, LLC | 13,227 | $785.6K | 0.00% | +932+7.6% | Added |
| Teacher Retirement System of Texas | 13,148 | $780.9K | 0.00% | +7,163+119.7% | Added |
| Ieq Capital, LLC | 12,889 | $765.5K | 0.00% | +12,889 | New |
| Arizona State Retirement System | 12,883 | $765.1K | 0.00% | +442+3.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 12,067 | $716.7K | 0.01% | +3,290+37.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 11,808 | $701.3K | 0.00% | −1,331−10.1% | Reduced |
| GPS Wealth Strategies Group, LLC | 11,437 | $679.2K | 0.07% | +1,135+11.0% | Added |
| Citigroup Inc | 11,094 | $658.9K | 0.00% | −15,612−58.5% | Reduced |
| Omers Administration Corp | 10,700 | $635.5K | 0.00% | +10,700 | New |
| Entropy Technologies, LP | 10,401 | $617.7K | 0.05% | +1,504+16.9% | Added |
| Sigma Planning Corp | 10,293 | $611.3K | 0.02% | +10,293 | New |
| Assenagon Asset Management S.A. | 10,031 | $595.7K | 0.00% | +3,807+61.2% | Added |
| Kestra Advisory Services, LLC | 9,913 | $588.7K | 0.00% | −912−8.4% | Reduced |
| GWM Advisors LLC | 9,641 | $572.6K | 0.00% | +9,104+1,695.3% | Added |
| Diversified Trust Co | 9,500 | $564.2K | 0.01% | +876+10.2% | Added |
| ROI Financial Advisors, LLC | 9,419 | $559.4K | 0.33% | +2,298+32.3% | Added |
| KLP Kapitalforvaltning AS | 9,400 | $558.3K | 0.00% | 00.0% | Unchanged |
| Integrated Quantitative Investments LLC | 9,333 | $554.3K | 0.16% | −2,451−20.8% | Reduced |
| HSBC Holdings PLC | 8,957 | $531.9K | 0.00% | −14,053−61.1% | Reduced |
| Ensign Peak Advisors, Inc | 8,850 | $525.6K | 0.00% | +8,850 | New |
| ProShare Advisors LLC | 8,634 | $512.8K | 0.00% | −941−9.8% | Reduced |
| Stephens Inc | 8,500 | $504.8K | 0.01% | +500+6.3% | Added |
| CWM, LLC | 8,472 | $503.0K | 0.00% | +1,323+18.5% | Added |
| Counterpoint Mutual Funds LLC | 8,206 | $487.4K | 0.04% | −3,667−30.9% | Reduced |
| Nissay Asset Management Corp | 8,065 | $479.0K | 0.00% | +8,065 | New |
| Principal Securities, Inc. | 7,948 | $472.0K | 0.01% | +863+12.2% | Added |
| Axq Capital, LP | 7,667 | $455.3K | 0.17% | +7,667 | New |
| Creative Planning | 7,044 | $418.3K | 0.00% | +1,363+24.0% | Added |
| Baader Bank INC | 7,063 | $418.0K | 0.03% | +7,063 | New |
| Great Valley Advisor Group, Inc. | 6,741 | $400.5K | 0.01% | −494−6.8% | Reduced |
| Scientech Research LLC | 6,585 | $391.1K | 0.14% | +6,585 | New |
| State of Wisconsin Investment Board | 6,404 | $380.3K | 0.00% | +6,404 | New |
| D.A. Davidson & Co. | 6,277 | $372.8K | 0.00% | +6,277 | New |
| Benjamin Edwards Inc | 6,219 | $369.3K | 0.00% | +6,219 | New |
| HRT Financial LP | 6,194 | $367.0K | 0.00% | −20,494−76.8% | Reduced |
| Brinker Capital Investments, LLC | 6,132 | $364.2K | 0.00% | +20+0.3% | Added |
| Cornerstone Investment Partners, LLC | 6,102 | $362.4K | 0.02% | −565−8.5% | Reduced |
| Prostatis Group LLC | 6,011 | $357.0K | 0.09% | −1,262−17.4% | Reduced |
| Toth Financial Advisory Corp | 6,000 | $356.3K | 0.04% | +6,000 | New |
| Toroso Investments, LLC | 5,962 | $354.1K | 0.00% | +5,962 | New |
| Savant Capital, LLC | 5,918 | $351.5K | 0.00% | +130+2.2% | Added |
| HighTower Advisors, LLC | 5,830 | $346.2K | 0.00% | −657−10.1% | Reduced |
| Pictet Asset Management Holding SA | 5,829 | $346.2K | 0.00% | −1,917−24.7% | Reduced |
| Jones Financial Companies LLLP | 5,839 | $342.0K | 0.00% | +1,353+30.2% | Added |
| Mayflower Financial Advisors, LLC | 5,730 | $340.3K | 0.04% | 00.0% | Unchanged |
| Oxford Asset Management LLP | 5,703 | $338.7K | 0.11% | +5,703 | New |
| Kingsview Wealth Management, LLC | 5,670 | $336.7K | 0.01% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 5,565 | $330.5K | 0.00% | +5,565 | New |
| Promethium Advisors,llc | 5,500 | $326.6K | 0.19% | 00.0% | Unchanged |
| Cinctive Capital Management LP | 5,256 | $312.2K | 0.02% | +5,256 | New |
| Wealth Enhancement Advisory Services, LLC | 5,484 | $310.1K | 0.00% | +5,484 | New |
| Vontobel Holding Ltd. | 5,021 | $298.2K | 0.00% | +5,021 | New |
| CIBC Bancorp USA Inc. | 4,659 | $276.7K | 0.00% | +4,659 | New |
| Cim, LLC | 4,632 | $275.1K | 0.04% | +4,632 | New |
| The PNC Financial Services Group, Inc. | 4,542 | $269.7K | 0.00% | +542+13.6% | Added |
| Occudo Quantitative Strategies LP | 4,100 | $243.5K | 0.03% | −6,849−62.6% | Reduced |
| Squarepoint Ops LLC | 4,086 | $242.7K | 0.00% | −143,138−97.2% | Reduced |
| Cerity Partners LLC | 3,906 | $232.0K | 0.00% | +3,906 | New |