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, Q4 2025
Institutional positions in American Superconductor Corp as of Dec 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
- 240
- −29 vs. Q3 2025
- Shares held
- 33.1M
- +460.5K (+1.4%) vs. Q3 2025
- Total value
- $953.2M
- −$982.6M (−50.8%) vs. Q3 2025
- New holders
- 41
- 106 more added
- Sold out
- 70
- 64 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Turning Point Benefit Group, Inc. | 2 | $57 | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 3 | $86 | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 4 | $116 | 0.00% | +4 | New |
| SJS Investment Consulting Inc. | 5 | $144 | 0.00% | +5 | New |
| SRS Capital Advisors, Inc. | 7 | $201 | 0.00% | −3,665−99.8% | Reduced |
| True Wealth Design, LLC | 7 | $202 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 10 | $288 | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 13 | $374 | 0.00% | +13 | New |
| Fortitude Family Office, LLC | 33 | $950 | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 34 | $979 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 40 | $1.23K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 50 | $1.44K | 0.00% | −25−33.3% | Reduced |
| Hager Investment Management Services, LLC | 50 | $1.44K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 51 | $1.47K | 0.00% | −14−21.5% | Reduced |
| Smartleaf Asset Management LLC | 53 | $1.53K | 0.00% | +37+231.3% | Added |
| CIBC Private Wealth Group, LLC | 69 | $1.99K | 0.00% | +44+176.0% | Added |
| Quarry LP | 71 | $2.04K | 0.00% | +10+16.4% | Added |
| WPG Advisers, LLC | 87 | $2.50K | 0.00% | −81−48.2% | Reduced |
| MAI Capital Management | 90 | $2.59K | 0.00% | +90 | New |
| TD Waterhouse Canada Inc. | 100 | $2.88K | 0.00% | 00.0% | Unchanged |
| Trust Co of Vermont | 100 | $2.88K | 0.00% | 00.0% | Unchanged |
| Archer Investment Corp | 100 | $2.88K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 120 | $3.45K | 0.00% | +110+1,100.0% | Added |
| EverSource Wealth Advisors, LLC | 124 | $3.57K | 0.00% | −73−37.1% | Reduced |
| Parallel Advisors, LLC | 146 | $4.20K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 157 | $4.52K | 0.00% | −60−27.6% | Reduced |
| IFP Advisors, Inc | 163 | $4.69K | 0.00% | +139+579.2% | Added |
| Greenline Wealth Management LLC | 169 | $4.87K | 0.01% | +169 | New |
| Northwestern Mutual Wealth Management Co | 170 | $4.89K | 0.00% | +170 | New |
| Signaturefd, LLC | 187 | $5.38K | 0.00% | −726−79.5% | Reduced |
| Vermillion Wealth Management, Inc. | 200 | $5.76K | 0.00% | +200 | New |
| Sunbelt Securities, Inc. | 205 | $5.90K | 0.00% | 00.0% | Unchanged |
| SHP Wealth Management | 271 | $7.80K | 0.00% | +271 | New |
| Sterling Capital Management LLC | 290 | $8.35K | 0.00% | +184+173.6% | Added |
| Bullock Wealth Management Group | 307 | $8.84K | 0.00% | 00.0% | Unchanged |
| Atlantic Trust, LLC | 393 | $11.3K | 0.00% | 00.0% | Unchanged |
| SWAN Capital LLC | 400 | $11.5K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 484 | $13.9K | 0.00% | +484 | New |
| Nisa Investment Advisors, LLC | 529 | $15.2K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 567 | $16.3K | 0.00% | +562+11,240.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 700 | $20.0K | 0.00% | +245+53.8% | Added |
| Allworth Financial LP | 716 | $20.6K | 0.00% | −19−2.6% | Reduced |
| Versant Capital Management, Inc | 746 | $21.5K | 0.00% | +118+18.8% | Added |
| GWM Advisors LLC | 771 | $22.2K | 0.00% | −8,870−92.0% | Reduced |
| Lodestone Wealth Management LLC | 1,054 | $30.3K | 0.01% | +1,054 | New |
| GAMMA Investing LLC | 1,081 | $31.1K | 0.00% | +99+10.1% | Added |
| Essential Partners LLC | 1,152 | $33.2K | 0.01% | −140−10.8% | Reduced |
| Amalgamated Bank | 1,373 | $40.0K | 0.00% | +188+15.9% | Added |
| Rockefeller Capital Management L.P. | 1,563 | $45.0K | 0.00% | +492+45.9% | Added |
| Citigroup Inc | 1,595 | $45.9K | 0.00% | −9,499−85.6% | Reduced |
| KBC Group NV | 1,613 | $46.0K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 1,978 | $56.9K | 0.00% | −1,234−38.4% | Reduced |
| Caitong International Asset Management Co., Ltd | 2,092 | $60.2K | 0.01% | +2,092 | New |
| GPS Wealth Strategies Group, LLC | 2,275 | $65.5K | 0.06% | −9,162−80.1% | Reduced |
| Federation des caisses Desjardins du Quebec | 2,625 | $75.5K | 0.00% | +1,925+275.0% | Added |
| SBI Securities Co., Ltd. | 2,693 | $77.5K | 0.00% | −715−21.0% | Reduced |
| Tower Research Capital LLC (TRC) | 2,891 | $83.2K | 0.00% | +1,269+78.2% | Added |
| State of Wyoming | 3,021 | $86.9K | 0.01% | +3,021 | New |
| Group One Trading, L.P. | 3,041 | $87.5K | 0.00% | −43,862−93.5% | Reduced |
| Ameritas Investment Partners, Inc. | 3,652 | $105.1K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 4,260 | $122.6K | 0.00% | −282−6.2% | Reduced |
| Ensign Peak Advisors, Inc | 4,550 | $130.9K | 0.00% | −4,300−48.6% | Reduced |
| Steward Partners Investment Advisory, LLC | 5,625 | $161.9K | 0.00% | +3,000+114.3% | Added |
| State of Alaska, Department of Revenue | 6,146 | $176.0K | 0.00% | +4,047+192.8% | Added |
| Kestra Advisory Services, LLC | 6,923 | $199.2K | 0.00% | −2,990−30.2% | Reduced |
| Kingsview Wealth Management, LLC | 6,995 | $201.3K | 0.00% | +1,325+23.4% | Added |
| D.A. Davidson & Co. | 7,008 | $201.7K | 0.00% | +731+11.6% | Added |
| Quest Partners LLC | 7,175 | $206.5K | 0.01% | +7,173+358,650.0% | Added |
| City Center Advisors, LLC | 7,517 | $216.3K | 0.20% | +7,517 | New |
| CWM, LLC | 7,752 | $223.0K | 0.00% | −720−8.5% | Reduced |
| Jones Financial Companies LLLP | 7,851 | $226.0K | 0.00% | +2,012+34.5% | Added |
| Precision Wealth Strategies, LLC | 8,137 | $234.2K | 0.08% | +8,137 | New |
| Handelsbanken Fonder AB | 8,600 | $248.0K | 0.00% | +8,600 | New |
| Principal Securities, Inc. | 8,636 | $248.5K | 0.00% | +688+8.7% | Added |
| US Bancorp | 8,760 | $252.1K | 0.00% | +8,760 | New |
| Assenagon Asset Management S.A. | 8,889 | $255.8K | 0.00% | −1,142−11.4% | Reduced |
| Winton Group Ltd | 9,385 | $270.1K | 0.01% | +9,385 | New |
| KLP Kapitalforvaltning AS | 9,400 | $270.5K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 9,732 | $280.1K | 0.02% | +9,732 | New |
| Graham Capital Management, L.P. | 10,066 | $289.7K | 0.01% | +10,066 | New |
| Commonwealth Equity Services, LLC | 10,097 | $290.6K | 0.00% | −3,808−27.4% | Reduced |
| ROI Financial Advisors, LLC | 10,133 | $291.6K | 0.17% | +714+7.6% | Added |
| HighTower Advisors, LLC | 10,479 | $301.6K | 0.00% | +4,649+79.7% | Added |
| XTX Topco Ltd | 10,551 | $303.7K | 0.01% | +10,551 | New |
| Round Rock Advisors, LLC | 10,709 | $308.2K | 0.05% | +10,709 | New |
| Fund Advisors of America Inc | 11,053 | $318.1K | 0.29% | +11,053 | New |
| Advisor Group Holdings, Inc. | 11,206 | $322.5K | 0.00% | −101,994−90.1% | Reduced |
| State of Wisconsin Investment Board | 11,227 | $323.1K | 0.00% | +4,823+75.3% | Added |
| Cetera Investment Advisers | 11,425 | $328.8K | 0.00% | −58,941−83.8% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 11,442 | $329.3K | 0.00% | −625−5.2% | Reduced |
| HSBC Holdings PLC | 11,582 | $333.6K | 0.00% | +2,625+29.3% | Added |
| ProShare Advisors LLC | 11,654 | $335.4K | 0.00% | +3,020+35.0% | Added |
| Diversified Trust Co | 12,311 | $354.3K | 0.01% | +2,811+29.6% | Added |
| Arizona State Retirement System | 12,524 | $360.4K | 0.00% | −359−2.8% | Reduced |
| Quantinno Capital Management LP | 12,942 | $372.5K | 0.00% | +7,377+132.6% | Added |
| Entropy Technologies, LP | 13,457 | $387.3K | 0.02% | +3,056+29.4% | Added |
| F/M Investments LLC | 13,470 | $387.7K | 0.01% | +13,470 | New |
| Acadian Asset Management LLC | 14,061 | $402.0K | 0.00% | +12,466+781.6% | Added |
| Boothbay Fund Management, LLC | 13,990 | $402.6K | 0.01% | +13,990 | New |