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 |
|---|---|---|---|---|---|
| Colony Group, LLC | 34,303 | $987.2K | 0.00% | +1,384+4.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 32,814 | $944.4K | 0.00% | +2,747+9.1% | Added |
| Truist Financial Corp | 32,700 | $941.1K | 0.00% | +7,200+28.2% | Added |
| Schonfeld Strategic Advisors LLC | 31,166 | $897.0K | 0.00% | +15,056+93.5% | Added |
| Quantum Private Wealth, LLC | 29,223 | $841.0K | 0.25% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 26,695 | $768.3K | 0.00% | −144,911−84.4% | Reduced |
| Journey Strategic Wealth LLC | 26,397 | $759.7K | 0.02% | +26,397 | New |
| Intech Investment Management LLC | 26,096 | $751.0K | 0.01% | +6,089+30.4% | Added |
| Virtus ETF Advisers LLC | 25,990 | $748.0K | 0.35% | 00.0% | Unchanged |
| MetLife Investment Management | 25,405 | $731.2K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 24,264 | $698.3K | 0.00% | 00.0% | Unchanged |
| Toroso Investments, LLC | 24,185 | $696.0K | 0.00% | +18,223+305.7% | Added |
| Polen Capital Management LLC | 23,565 | $678.2K | 0.00% | −23,726−50.2% | Reduced |
| Skyview Financial Group LLC | 23,038 | $663.0K | 0.68% | +23,038 | New |
| Alpine Woods Capital Investors, LLC | 23,026 | $662.7K | 0.16% | +23,026 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,360 | $643.5K | 0.00% | +4,554+25.6% | Added |
| Canada Pension Plan Investment Board | 21,800 | $627.4K | 0.00% | +20,600+1,716.7% | Added |
| Globeflex Capital L P | 21,633 | $622.6K | 0.10% | +21,633 | New |
| Dorsey & Whitney Trust CO LLC | 21,611 | $622.0K | 0.03% | 00.0% | Unchanged |
| STRS Ohio | 21,200 | $610.1K | 0.00% | +4,800+29.3% | Added |
| Oxford Asset Management LLP | 21,186 | $609.7K | 0.22% | +15,483+271.5% | Added |
| Credit Agricole S A | 21,045 | $605.7K | 0.00% | −490−2.3% | Reduced |
| Teacher Retirement System of Texas | 20,999 | $604.4K | 0.00% | +7,851+59.7% | Added |
| Mariner, LLC | 20,563 | $591.7K | 0.00% | +7,336+55.5% | Added |
| Nissay Asset Management Corp | 20,502 | $590.0K | 0.00% | +12,437+154.2% | Added |
| Manufacturers Life Insurance Company, The | 20,424 | $587.8K | 0.00% | −2,183−9.7% | Reduced |
| Janus Henderson Group PLC | 20,134 | $579.8K | 0.00% | −19,216−48.8% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 19,355 | $557.0K | 0.02% | −356−1.8% | Reduced |
| Axq Capital, LP | 18,931 | $544.8K | 0.12% | +11,264+146.9% | Added |
| GoalVest Advisory LLC | 17,900 | $515.2K | 0.10% | −500−2.7% | Reduced |
| TFC Financial Management | 16,741 | $481.8K | 0.06% | −101−0.6% | Reduced |
| Virginia Retirement Systems Et Al | 16,500 | $474.9K | 0.00% | +16,500 | New |
| Advisory Services Network, LLC | 16,396 | $471.9K | 0.01% | −133−0.8% | Reduced |
| Traynor Capital Management, Inc. | 16,157 | $465.0K | 0.03% | −253−1.5% | Reduced |
| Truvestments Capital LLC | 15,450 | $444.7K | 0.08% | +1,920+14.2% | Added |
| Fox Run Management, L.L.C. | 14,944 | $430.1K | 0.07% | −3,917−20.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 13,277 | $419.3K | 0.00% | +1,469+12.4% | Added |
| Voya Investment Management LLC | 14,363 | $413.4K | 0.00% | +134+0.9% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,181 | $408.1K | 0.00% | −64,898−82.1% | Reduced |
| Skopos Labs, Inc. | 13,863 | $405.4K | 0.02% | +13,863 | New |
| Boothbay Fund Management, LLC | 13,990 | $402.6K | 0.01% | +13,990 | New |
| Acadian Asset Management LLC | 14,061 | $402.0K | 0.00% | +12,466+781.6% | Added |
| F/M Investments LLC | 13,470 | $387.7K | 0.01% | +13,470 | New |
| Entropy Technologies, LP | 13,457 | $387.3K | 0.02% | +3,056+29.4% | Added |
| Quantinno Capital Management LP | 12,942 | $372.5K | 0.00% | +7,377+132.6% | Added |
| Arizona State Retirement System | 12,524 | $360.4K | 0.00% | −359−2.8% | Reduced |
| Diversified Trust Co | 12,311 | $354.3K | 0.01% | +2,811+29.6% | Added |
| ProShare Advisors LLC | 11,654 | $335.4K | 0.00% | +3,020+35.0% | Added |
| HSBC Holdings PLC | 11,582 | $333.6K | 0.00% | +2,625+29.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 11,442 | $329.3K | 0.00% | −625−5.2% | Reduced |
| Cetera Investment Advisers | 11,425 | $328.8K | 0.00% | −58,941−83.8% | Reduced |
| State of Wisconsin Investment Board | 11,227 | $323.1K | 0.00% | +4,823+75.3% | Added |
| Advisor Group Holdings, Inc. | 11,206 | $322.5K | 0.00% | −101,994−90.1% | Reduced |
| Fund Advisors of America Inc | 11,053 | $318.1K | 0.29% | +11,053 | New |
| Round Rock Advisors, LLC | 10,709 | $308.2K | 0.05% | +10,709 | New |
| XTX Topco Ltd | 10,551 | $303.7K | 0.01% | +10,551 | New |
| HighTower Advisors, LLC | 10,479 | $301.6K | 0.00% | +4,649+79.7% | Added |
| ROI Financial Advisors, LLC | 10,133 | $291.6K | 0.17% | +714+7.6% | Added |
| Commonwealth Equity Services, LLC | 10,097 | $290.6K | 0.00% | −3,808−27.4% | Reduced |
| Graham Capital Management, L.P. | 10,066 | $289.7K | 0.01% | +10,066 | New |
| PDT Partners, LLC | 9,732 | $280.1K | 0.02% | +9,732 | New |
| KLP Kapitalforvaltning AS | 9,400 | $270.5K | 0.00% | 00.0% | Unchanged |
| Winton Group Ltd | 9,385 | $270.1K | 0.01% | +9,385 | New |
| Assenagon Asset Management S.A. | 8,889 | $255.8K | 0.00% | −1,142−11.4% | Reduced |
| US Bancorp | 8,760 | $252.1K | 0.00% | +8,760 | New |
| Principal Securities, Inc. | 8,636 | $248.5K | 0.00% | +688+8.7% | Added |
| Handelsbanken Fonder AB | 8,600 | $248.0K | 0.00% | +8,600 | New |
| Precision Wealth Strategies, LLC | 8,137 | $234.2K | 0.08% | +8,137 | New |
| Jones Financial Companies LLLP | 7,851 | $226.0K | 0.00% | +2,012+34.5% | Added |
| CWM, LLC | 7,752 | $223.0K | 0.00% | −720−8.5% | Reduced |
| City Center Advisors, LLC | 7,517 | $216.3K | 0.20% | +7,517 | New |
| Quest Partners LLC | 7,175 | $206.5K | 0.01% | +7,173+358,650.0% | Added |
| D.A. Davidson & Co. | 7,008 | $201.7K | 0.00% | +731+11.6% | Added |
| Kingsview Wealth Management, LLC | 6,995 | $201.3K | 0.00% | +1,325+23.4% | Added |
| Kestra Advisory Services, LLC | 6,923 | $199.2K | 0.00% | −2,990−30.2% | Reduced |
| State of Alaska, Department of Revenue | 6,146 | $176.0K | 0.00% | +4,047+192.8% | Added |
| Steward Partners Investment Advisory, LLC | 5,625 | $161.9K | 0.00% | +3,000+114.3% | Added |
| Ensign Peak Advisors, Inc | 4,550 | $130.9K | 0.00% | −4,300−48.6% | Reduced |
| The PNC Financial Services Group, Inc. | 4,260 | $122.6K | 0.00% | −282−6.2% | Reduced |
| Ameritas Investment Partners, Inc. | 3,652 | $105.1K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 3,041 | $87.5K | 0.00% | −43,862−93.5% | Reduced |
| State of Wyoming | 3,021 | $86.9K | 0.01% | +3,021 | New |
| Tower Research Capital LLC (TRC) | 2,891 | $83.2K | 0.00% | +1,269+78.2% | Added |
| SBI Securities Co., Ltd. | 2,693 | $77.5K | 0.00% | −715−21.0% | Reduced |
| Federation des caisses Desjardins du Quebec | 2,625 | $75.5K | 0.00% | +1,925+275.0% | Added |
| GPS Wealth Strategies Group, LLC | 2,275 | $65.5K | 0.06% | −9,162−80.1% | Reduced |
| Caitong International Asset Management Co., Ltd | 2,092 | $60.2K | 0.01% | +2,092 | New |
| Global Retirement Partners, LLC | 1,978 | $56.9K | 0.00% | −1,234−38.4% | Reduced |
| KBC Group NV | 1,613 | $46.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1,595 | $45.9K | 0.00% | −9,499−85.6% | Reduced |
| Rockefeller Capital Management L.P. | 1,563 | $45.0K | 0.00% | +492+45.9% | Added |
| Amalgamated Bank | 1,373 | $40.0K | 0.00% | +188+15.9% | Added |
| Essential Partners LLC | 1,152 | $33.2K | 0.01% | −140−10.8% | Reduced |
| GAMMA Investing LLC | 1,081 | $31.1K | 0.00% | +99+10.1% | Added |
| Lodestone Wealth Management LLC | 1,054 | $30.3K | 0.01% | +1,054 | New |
| GWM Advisors LLC | 771 | $22.2K | 0.00% | −8,870−92.0% | Reduced |
| Versant Capital Management, Inc | 746 | $21.5K | 0.00% | +118+18.8% | Added |
| Allworth Financial LP | 716 | $20.6K | 0.00% | −19−2.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 700 | $20.0K | 0.00% | +245+53.8% | Added |
| Farther Finance Advisors, LLC | 567 | $16.3K | 0.00% | +562+11,240.0% | Added |