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, Q2 2025
Institutional positions in American Superconductor Corp as of Jun 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
- 232
- +44 vs. Q1 2025
- Shares held
- 32.7M
- +5.17M (+18.8%) vs. Q1 2025
- Total value
- $1.20B
- +$701.0M (+140.3%) vs. Q1 2025
- New holders
- 70
- 95 more added
- Sold out
- 26
- 47 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cubist Systematic Strategies, LLC | 27,730 | $1.02M | 0.01% | −81,555−74.6% | Reduced |
| Deutsche Bank AG | 27,644 | $1.01M | 0.00% | −2,191−7.3% | Reduced |
| Quantum Private Wealth, LLC | 27,423 | $1.01M | 0.33% | 00.0% | Unchanged |
| Citigroup Inc | 26,706 | $979.8K | 0.00% | −494−1.8% | Reduced |
| HRT Financial LP | 26,688 | $979.0K | 0.00% | −2,990−10.1% | Reduced |
| Intech Investment Management LLC | 26,358 | $967.1K | 0.01% | +7,509+39.8% | Added |
| Advisory Services Network, LLC | 16,779 | $953.9K | 0.02% | +2,762+19.7% | Added |
| Virtus ETF Advisers LLC | 24,815 | $910.5K | 0.56% | +24,815 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 24,700 | $906.2K | 0.00% | −595−2.4% | Reduced |
| Los Angeles Capital Management LLC | 24,693 | $906.0K | 0.00% | +63+0.3% | Added |
| HSBC Holdings PLC | 23,010 | $845.0K | 0.00% | −2,420−9.5% | Reduced |
| Truist Financial Corp | 22,270 | $817.1K | 0.00% | +12,035+117.6% | Added |
| Dorsey & Whitney Trust CO LLC | 21,611 | $792.9K | 0.04% | −23,689−52.3% | Reduced |
| Nkcfo LLC | 21,000 | $770.0K | 0.32% | +21,000 | New |
| State Board of Administration of Florida Retirement System | 20,649 | $757.6K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 20,051 | $735.7K | 0.00% | +852+4.4% | Added |
| Cookson Peirce & Co Inc | 20,000 | $733.8K | 0.03% | +20,000 | New |
| FNY Investment Advisers, LLC | 20,000 | $733.0K | 0.31% | +20,000 | New |
| STRS Ohio | 19,600 | $719.1K | 0.00% | −1,300−6.2% | Reduced |
| Shay Capital LLC | 19,500 | $715.5K | 0.16% | +19,500 | New |
| Man Group plc | 18,903 | $693.6K | 0.00% | +6,485+52.2% | Added |
| Aster Capital Management (DIFC) Ltd | 18,809 | $690.1K | 0.16% | +18,809 | New |
| IMC-Chicago, LLC | 18,609 | $682.8K | 0.02% | +18,609 | New |
| GoalVest Advisory LLC | 18,400 | $675.1K | 0.17% | −500−2.6% | Reduced |
| TFC Financial Management | 16,731 | $613.9K | 0.08% | 00.0% | Unchanged |
| Sowell Financial Services LLC | 15,451 | $566.9K | 0.02% | −1,008−6.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 15,296 | $561.2K | 0.02% | +15,296 | New |
| Acas, LLC | 10,200 | $551.7K | 0.37% | +35+0.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,916 | $547.3K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 13,774 | $505.0K | 0.00% | +13,774 | New |
| Manufacturers Life Insurance Company, The | 13,705 | $502.8K | 0.00% | +1,259+10.1% | Added |
| Bridgefront Capital, LLC | 13,273 | $487.0K | 0.13% | +13,273 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 13,139 | $482.1K | 0.00% | +3,845+41.4% | Added |
| Bayesian Capital Management, LP | 13,000 | $477.0K | 0.08% | +13,000 | New |
| Truvestments Capital LLC | 12,889 | $472.9K | 0.09% | +1,713+15.3% | Added |
| Kestra Private Wealth Services, LLC | 12,511 | $459.0K | 0.01% | +2,180+21.1% | Added |
| Arizona State Retirement System | 12,441 | $456.5K | 0.00% | +1,708+15.9% | Added |
| Mariner, LLC | 12,295 | $451.1K | 0.00% | +12,295 | New |
| Counterpoint Mutual Funds LLC | 11,873 | $435.6K | 0.04% | +11,873 | New |
| Integrated Quantitative Investments LLC | 11,784 | $432.4K | 0.13% | −6,316−34.9% | Reduced |
| Capital Market Strategies LLC | 11,688 | $428.8K | 0.30% | −1,500−11.4% | Reduced |
| Occudo Quantitative Strategies LP | 10,949 | $401.7K | 0.05% | +10,949 | New |
| Kestra Advisory Services, LLC | 10,825 | $397.2K | 0.00% | +22+0.2% | Added |
| GPS Wealth Strategies Group, LLC | 10,302 | $378.0K | 0.04% | +850+9.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 9,913 | $363.7K | 0.00% | +9,913 | New |
| ProShare Advisors LLC | 9,575 | $351.3K | 0.00% | +9,575 | New |
| KLP Kapitalforvaltning AS | 9,400 | $344.9K | 0.00% | +2,500+36.2% | Added |
| Simplex Trading, LLC | 9,197 | $337.0K | 0.01% | −4,311−31.9% | Reduced |
| Entropy Technologies, LP | 8,897 | $326.4K | 0.03% | +8,897 | New |
| Police & Firemen's Retirement System of New Jersey | 8,777 | $322.0K | 0.00% | +827+10.4% | Added |
| Diversified Trust Co | 8,624 | $316.4K | 0.01% | +8,624 | New |
| Quadrature Capital Ltd | 8,533 | $313.1K | 0.01% | +8,533 | New |
| Stephens Inc | 8,000 | $293.5K | 0.00% | +8,000 | New |
| BNP Paribas Arbitrage, SA | 7,801 | $286.2K | 0.00% | +1,971+33.8% | Added |
| Pictet Asset Management Holding SA | 7,746 | $284.2K | 0.00% | +7,746 | New |
| Russell Investments Group, Ltd. | 7,736 | $283.8K | 0.00% | +7,577+4,765.4% | Added |
| Two Sigma Securities, LLC | 7,642 | $280.4K | 0.03% | −2,858−27.2% | Reduced |
| SG Americas Securities, LLC | 7,592 | $279.0K | 0.00% | −8,247−52.1% | Reduced |
| Quantbot Technologies LP | 7,502 | $275.2K | 0.01% | +7,502 | New |
| Gsa Capital Partners LLP | 7,473 | $274.0K | 0.02% | −23,533−75.9% | Reduced |
| FMR LLC | 7,446 | $273.2K | 0.00% | +4,653+166.6% | Added |
| Group One Trading, L.P. | 7,299 | $267.8K | 0.01% | +7,299 | New |
| Prostatis Group LLC | 7,273 | $266.8K | 0.08% | +7,273 | New |
| Great Valley Advisor Group, Inc. | 7,235 | $265.5K | 0.01% | +7,235 | New |
| CWM, LLC | 7,149 | $262.0K | 0.00% | −766−9.7% | Reduced |
| ROI Financial Advisors, LLC | 7,121 | $261.3K | 0.17% | +7,121 | New |
| Principal Securities, Inc. | 7,085 | $259.9K | 0.00% | +6,560+1,249.5% | Added |
| C2P Capital Advisory Group, LLC d.b.a. Prosperity Capital Advisors | 6,879 | $252.4K | 0.02% | +6,879 | New |
| Cornerstone Investment Partners, LLC | 6,667 | $244.6K | 0.01% | +6,667 | New |
| HighTower Advisors, LLC | 6,487 | $238.0K | 0.00% | +6,487 | New |
| Assenagon Asset Management S.A. | 6,224 | $228.4K | 0.00% | +6,224 | New |
| Brinker Capital Investments, LLC | 6,112 | $224.2K | 0.00% | +6,112 | New |
| Lazard Asset Management LLC | 6,093 | $223.0K | 0.00% | +6,093 | New |
| Cetera Investment Advisers | 6,046 | $221.8K | 0.00% | +6,046 | New |
| Teacher Retirement System of Texas | 5,985 | $219.6K | 0.00% | +5,985 | New |
| Garden State Investment Advisory Services LLC | 5,897 | $216.4K | 0.06% | +5,897 | New |
| Savant Capital, LLC | 5,788 | $212.4K | 0.00% | +5,788 | New |
| Tower Research Capital LLC (TRC) | 5,762 | $211.4K | 0.01% | +4,337+304.4% | Added |
| Mayflower Financial Advisors, LLC | 5,730 | $210.2K | 0.03% | +5,730 | New |
| Creative Planning | 5,681 | $208.4K | 0.00% | +5,681 | New |
| Kingsview Wealth Management, LLC | 5,670 | $208.0K | 0.00% | +5,670 | New |
| Comerica Bank | 5,661 | $207.7K | 0.00% | +5,406+2,120.0% | Added |
| Promethium Advisors,llc | 5,500 | $201.8K | 0.12% | +5,500 | New |
| Jones Financial Companies LLLP | 4,486 | $163.5K | 0.00% | −215−4.6% | Reduced |
| The PNC Financial Services Group, Inc. | 4,000 | $146.8K | 0.00% | +3,976+16,566.7% | Added |
| Ameritas Investment Partners, Inc. | 3,900 | $143.1K | 0.00% | +555+16.6% | Added |
| SBI Securities Co., Ltd. | 3,867 | $141.9K | 0.00% | +1,527+65.3% | Added |
| Steward Partners Investment Advisory, LLC | 2,625 | $96.3K | 0.00% | +2,625 | New |
| Global Retirement Partners, LLC | 2,416 | $88.6K | 0.00% | +2,416 | New |
| Canada Pension Plan Investment Board | 2,000 | $73.4K | 0.00% | +1,000+100.0% | Added |
| Banque Cantonale Vaudoise | 1,585 | $58.0K | 0.00% | +1,585 | New |
| Amalgamated Bank | 1,185 | $43.0K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 1,152 | $42.3K | 0.02% | +1,152 | New |
| Quarry LP | 1,131 | $41.5K | 0.01% | +65+6.1% | Added |
| Point72 (DIFC) Ltd | 1,115 | $40.9K | 0.00% | −4,883−81.4% | Reduced |
| GAMMA Investing LLC | 954 | $35.0K | 0.00% | +488+104.7% | Added |
| Signaturefd, LLC | 913 | $33.5K | 0.00% | +163+21.7% | Added |
| Allworth Financial LP | 685 | $25.1K | 0.00% | +46+7.2% | Added |
| Versant Capital Management, Inc | 628 | $23.0K | 0.00% | +19+3.1% | Added |
| GWM Advisors LLC | 537 | $19.7K | 0.00% | −18,296−97.1% | Reduced |