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 |
|---|---|---|---|---|---|
| Covestor Ltd | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Turning Point Benefit Group, Inc. | 2 | $118 | 0.00% | +2 | New |
| Tortoise Investment Management, LLC | 2 | $119 | 0.00% | +2 | New |
| Quest Partners LLC | 2 | $119 | 0.00% | +2 | New |
| Massmutual Trust Co FSB | 3 | $178 | 0.00% | +3 | New |
| Farther Finance Advisors, LLC | 5 | $297 | 0.00% | −525−99.1% | Reduced |
| True Wealth Design, LLC | 7 | $416 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 10 | $594 | 0.00% | −10−50.0% | Reduced |
| JFS Wealth Advisors, LLC | 10 | $594 | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 16 | $973 | 0.00% | +16 | New |
| Larson Financial Group LLC | 18 | $1.07K | 0.00% | −151−89.3% | Reduced |
| IFP Advisors, Inc | 24 | $1.43K | 0.00% | +9+60.0% | Added |
| Rise Advisors, LLC | 24 | $1.43K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 25 | $1.49K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 33 | $1.96K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 34 | $2.02K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 35 | $2.08K | 0.00% | +35 | New |
| Whittier Trust Co of Nevada Inc | 40 | $2.37K | 0.00% | 00.0% | Unchanged |
| Hager Investment Management Services, LLC | 50 | $2.97K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 61 | $3.62K | 0.00% | −1,070−94.6% | Reduced |
| Rothschild Investment LLC | 65 | $3.86K | 0.00% | −10−13.3% | Reduced |
| ORG Partners LLC | 70 | $4.16K | 0.00% | +70 | New |
| Private Trust Co NA | 75 | $4.45K | 0.00% | −25−25.0% | Reduced |
| TD Waterhouse Canada Inc. | 100 | $5.93K | 0.00% | +100 | New |
| Trust Co of Vermont | 100 | $5.94K | 0.00% | 00.0% | Unchanged |
| Archer Investment Corp | 100 | $5.94K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 106 | $6.29K | 0.00% | +14+15.2% | Added |
| Wealthspire Advisors, LLC | 114 | $6.77K | 0.00% | +114 | New |
| Parallel Advisors, LLC | 146 | $8.67K | 0.00% | +11+8.1% | Added |
| Hillsdale Investment Management Inc. | 150 | $8.91K | 0.00% | −219,850−99.9% | Reduced |
| MCF Advisors LLC | 164 | $9.74K | 0.00% | +164 | New |
| WPG Advisers, LLC | 168 | $9.98K | 0.01% | +168 | New |
| EverSource Wealth Advisors, LLC | 197 | $11.7K | 0.00% | +12+6.5% | Added |
| Sunbelt Securities, Inc. | 205 | $12.2K | 0.00% | +205 | New |
| Spire Wealth Management | 217 | $12.9K | 0.00% | +153+239.1% | Added |
| Bullock Wealth Management Group | 307 | $18.2K | 0.01% | +307 | New |
| Franklin Resources Inc | 266 | $19.5K | 0.00% | −50,249−99.5% | Reduced |
| Atlantic Trust, LLC | 393 | $23.3K | 0.00% | 00.0% | Unchanged |
| Montag A & Associates Inc | 393 | $23.3K | 0.00% | +393 | New |
| SWAN Capital LLC | 400 | $23.8K | 0.01% | +400 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 455 | $27.0K | 0.00% | +60+15.2% | Added |
| Nisa Investment Advisors, LLC | 529 | $31.4K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 628 | $37.3K | 0.01% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 700 | $41.6K | 0.00% | +387+123.6% | Added |
| Allworth Financial LP | 735 | $43.6K | 0.00% | +50+7.3% | Added |
| Point72 (DIFC) Ltd | 791 | $47.0K | 0.00% | −324−29.1% | Reduced |
| Signaturefd, LLC | 913 | $54.2K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 982 | $58.3K | 0.00% | +28+2.9% | Added |
| Rockefeller Capital Management L.P. | 1,071 | $63.6K | 0.00% | +1,071 | New |
| Amalgamated Bank | 1,185 | $70.0K | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 1,200 | $71.3K | 0.00% | −800−40.0% | Reduced |
| Essential Partners LLC | 1,292 | $76.7K | 0.03% | +140+12.2% | Added |
| Simplex Trading, LLC | 1,363 | $80.0K | 0.00% | −7,834−85.2% | Reduced |
| Banque Cantonale Vaudoise | 1,585 | $94.0K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 1,595 | $94.0K | 0.00% | +1,595 | New |
| Once Capital Management, LLC | 1,600 | $95.0K | 0.03% | +1,600 | New |
| KBC Group NV | 1,613 | $96.0K | 0.00% | +1,613 | New |
| Tower Research Capital LLC (TRC) | 1,622 | $96.3K | 0.00% | −4,140−71.9% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 2,000 | $118.8K | 0.06% | +2,000 | New |
| State of Alaska, Department of Revenue | 2,099 | $124.0K | 0.00% | +2,099 | New |
| Stance Capital LLC | 2,606 | $154.8K | 0.06% | +2,606 | New |
| Steward Partners Investment Advisory, LLC | 2,625 | $155.9K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 3,212 | $190.8K | 0.00% | +796+32.9% | Added |
| Xponance, Inc. | 3,379 | $200.7K | 0.00% | +3,379 | New |
| JustInvest LLC | 3,385 | $201.0K | 0.00% | +3,385 | New |
| Hartline Investment Corp | 3,400 | $201.9K | 0.02% | +3,400 | New |
| SBI Securities Co., Ltd. | 3,408 | $202.4K | 0.01% | −459−11.9% | Reduced |
| Ameritas Investment Partners, Inc. | 3,652 | $216.9K | 0.01% | −248−6.4% | Reduced |
| SRS Capital Advisors, Inc. | 3,672 | $218.1K | 0.00% | +3,672 | New |
| Anb Bank | 3,721 | $221.0K | 0.09% | +3,721 | New |
| Captrust Financial Advisors | 3,755 | $223.0K | 0.00% | +3,755 | New |
| Bank of Montreal | 3,797 | $225.5K | 0.00% | +3,797 | New |
| Aigen Investment Management, LP | 3,822 | $227.0K | 0.04% | +3,822 | New |
| Cerity Partners LLC | 3,906 | $232.0K | 0.00% | +3,906 | New |
| Squarepoint Ops LLC | 4,086 | $242.7K | 0.00% | −143,138−97.2% | Reduced |
| Occudo Quantitative Strategies LP | 4,100 | $243.5K | 0.03% | −6,849−62.6% | Reduced |
| The PNC Financial Services Group, Inc. | 4,542 | $269.7K | 0.00% | +542+13.6% | Added |
| Cim, LLC | 4,632 | $275.1K | 0.04% | +4,632 | New |
| CIBC Bancorp USA Inc. | 4,659 | $276.7K | 0.00% | +4,659 | New |
| Vontobel Holding Ltd. | 5,021 | $298.2K | 0.00% | +5,021 | New |
| Wealth Enhancement Advisory Services, LLC | 5,484 | $310.1K | 0.00% | +5,484 | New |
| Cinctive Capital Management LP | 5,256 | $312.2K | 0.02% | +5,256 | New |
| Promethium Advisors,llc | 5,500 | $326.6K | 0.19% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 5,565 | $330.5K | 0.00% | +5,565 | New |
| Kingsview Wealth Management, LLC | 5,670 | $336.7K | 0.01% | 00.0% | Unchanged |
| Oxford Asset Management LLP | 5,703 | $338.7K | 0.11% | +5,703 | New |
| Mayflower Financial Advisors, LLC | 5,730 | $340.3K | 0.04% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 5,839 | $342.0K | 0.00% | +1,353+30.2% | Added |
| Pictet Asset Management Holding SA | 5,829 | $346.2K | 0.00% | −1,917−24.7% | Reduced |
| HighTower Advisors, LLC | 5,830 | $346.2K | 0.00% | −657−10.1% | Reduced |
| Savant Capital, LLC | 5,918 | $351.5K | 0.00% | +130+2.2% | Added |
| Toroso Investments, LLC | 5,962 | $354.1K | 0.00% | +5,962 | New |
| Toth Financial Advisory Corp | 6,000 | $356.3K | 0.04% | +6,000 | New |
| Prostatis Group LLC | 6,011 | $357.0K | 0.09% | −1,262−17.4% | Reduced |
| Cornerstone Investment Partners, LLC | 6,102 | $362.4K | 0.02% | −565−8.5% | Reduced |
| Brinker Capital Investments, LLC | 6,132 | $364.2K | 0.00% | +20+0.3% | Added |
| HRT Financial LP | 6,194 | $367.0K | 0.00% | −20,494−76.8% | Reduced |
| Benjamin Edwards Inc | 6,219 | $369.3K | 0.00% | +6,219 | New |
| D.A. Davidson & Co. | 6,277 | $372.8K | 0.00% | +6,277 | New |
| State of Wisconsin Investment Board | 6,404 | $380.3K | 0.00% | +6,404 | New |