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 |
|---|---|---|---|---|---|
| Skopos Labs, Inc. | 13,863 | $405.4K | 0.02% | +13,863 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,181 | $408.1K | 0.00% | −64,898−82.1% | Reduced |
| Voya Investment Management LLC | 14,363 | $413.4K | 0.00% | +134+0.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 13,277 | $419.3K | 0.00% | +1,469+12.4% | Added |
| Fox Run Management, L.L.C. | 14,944 | $430.1K | 0.07% | −3,917−20.8% | Reduced |
| Truvestments Capital LLC | 15,450 | $444.7K | 0.08% | +1,920+14.2% | Added |
| Traynor Capital Management, Inc. | 16,157 | $465.0K | 0.03% | −253−1.5% | Reduced |
| Advisory Services Network, LLC | 16,396 | $471.9K | 0.01% | −133−0.8% | Reduced |
| Virginia Retirement Systems Et Al | 16,500 | $474.9K | 0.00% | +16,500 | New |
| TFC Financial Management | 16,741 | $481.8K | 0.06% | −101−0.6% | Reduced |
| GoalVest Advisory LLC | 17,900 | $515.2K | 0.10% | −500−2.7% | Reduced |
| Axq Capital, LP | 18,931 | $544.8K | 0.12% | +11,264+146.9% | Added |
| Hennion & Walsh Asset Management, Inc. | 19,355 | $557.0K | 0.02% | −356−1.8% | Reduced |
| Janus Henderson Group PLC | 20,134 | $579.8K | 0.00% | −19,216−48.8% | Reduced |
| Manufacturers Life Insurance Company, The | 20,424 | $587.8K | 0.00% | −2,183−9.7% | Reduced |
| Nissay Asset Management Corp | 20,502 | $590.0K | 0.00% | +12,437+154.2% | Added |
| Mariner, LLC | 20,563 | $591.7K | 0.00% | +7,336+55.5% | Added |
| Teacher Retirement System of Texas | 20,999 | $604.4K | 0.00% | +7,851+59.7% | Added |
| Credit Agricole S A | 21,045 | $605.7K | 0.00% | −490−2.3% | Reduced |
| Oxford Asset Management LLP | 21,186 | $609.7K | 0.22% | +15,483+271.5% | Added |
| STRS Ohio | 21,200 | $610.1K | 0.00% | +4,800+29.3% | Added |
| Dorsey & Whitney Trust CO LLC | 21,611 | $622.0K | 0.03% | 00.0% | Unchanged |
| Globeflex Capital L P | 21,633 | $622.6K | 0.10% | +21,633 | New |
| Canada Pension Plan Investment Board | 21,800 | $627.4K | 0.00% | +20,600+1,716.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,360 | $643.5K | 0.00% | +4,554+25.6% | Added |
| Alpine Woods Capital Investors, LLC | 23,026 | $662.7K | 0.16% | +23,026 | New |
| Skyview Financial Group LLC | 23,038 | $663.0K | 0.68% | +23,038 | New |
| Polen Capital Management LLC | 23,565 | $678.2K | 0.00% | −23,726−50.2% | Reduced |
| Toroso Investments, LLC | 24,185 | $696.0K | 0.00% | +18,223+305.7% | Added |
| State Board of Administration of Florida Retirement System | 24,264 | $698.3K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 25,405 | $731.2K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 25,990 | $748.0K | 0.35% | 00.0% | Unchanged |
| Intech Investment Management LLC | 26,096 | $751.0K | 0.01% | +6,089+30.4% | Added |
| Journey Strategic Wealth LLC | 26,397 | $759.7K | 0.02% | +26,397 | New |
| Voloridge Investment Management, LLC | 26,695 | $768.3K | 0.00% | −144,911−84.4% | Reduced |
| Quantum Private Wealth, LLC | 29,223 | $841.0K | 0.25% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 31,166 | $897.0K | 0.00% | +15,056+93.5% | Added |
| Truist Financial Corp | 32,700 | $941.1K | 0.00% | +7,200+28.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 32,814 | $944.4K | 0.00% | +2,747+9.1% | Added |
| Colony Group, LLC | 34,303 | $987.2K | 0.00% | +1,384+4.2% | Added |
| Headlands Technologies LLC | 34,308 | $987.4K | 0.08% | +34,308 | New |
| Russell Investments Group, Ltd. | 35,065 | $1.01M | 0.00% | +12,672+56.6% | Added |
| Franklin Resources Inc | 35,072 | $1.01M | 0.00% | +34,806+13,085.0% | Added |
| Natixis | 35,086 | $1.01M | 0.00% | +35,086 | New |
| Man Group plc | 36,094 | $1.04M | 0.00% | +19,980+124.0% | Added |
| Kornitzer Capital Management Inc | 36,154 | $1.04M | 0.02% | +3,154+9.6% | Added |
| Engineers Gate Manager LP | 36,587 | $1.05M | 0.01% | −60,908−62.5% | Reduced |
| Verition Fund Management LLC | 37,200 | $1.07M | 0.01% | −33,986−47.7% | Reduced |
| Merit Financial Group, LLC | 37,281 | $1.07M | 0.01% | +5,426+17.0% | Added |
| Deutsche Bank AG | 38,723 | $1.11M | 0.00% | +2,589+7.2% | Added |
| Alliancebernstein L.P. | 39,320 | $1.13M | 0.00% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 39,600 | $1.14M | 0.00% | +4,523+12.9% | Added |
| LPL Financial LLC | 40,074 | $1.15M | 0.00% | −8,619−17.7% | Reduced |
| Mackenzie Financial Corp | 40,245 | $1.16M | 0.00% | +5,956+17.4% | Added |
| Legato Capital Management LLC | 40,687 | $1.17M | 0.10% | −18,161−30.9% | Reduced |
| Royal Bank of Canada | 45,133 | $1.30M | 0.00% | +1,770+4.1% | Added |
| Freestone Grove Partners LP | 46,128 | $1.33M | 0.01% | +46,128 | New |
| Amundi | 46,316 | $1.33M | 0.00% | +4,586+11.0% | Added |
| Janney Montgomery Scott LLC | 46,381 | $1.33M | 0.00% | +650+1.4% | Added |
| Two Sigma Advisers, LP | 47,100 | $1.36M | 0.00% | +32,700+227.1% | Added |
| Rice Hall James & Associates, LLC | 47,114 | $1.36M | 0.07% | −13,610−22.4% | Reduced |
| California State Teachers Retirement System | 50,911 | $1.47M | 0.00% | +234+0.5% | Added |
| Twinbeech Capital LP | 52,221 | $1.50M | 0.11% | +52,221 | New |
| Los Angeles Capital Management LLC | 25,637 | $1.51M | 0.01% | 00.0% | Unchanged |
| Rhumbline Advisers | 57,693 | $1.66M | 0.00% | −12,732−18.1% | Reduced |
| Principal Financial Group Inc | 58,950 | $1.70M | 0.00% | +19,547+49.6% | Added |
| Ameriprise Financial Inc | 58,956 | $1.70M | 0.00% | +39,935+210.0% | Added |
| Campbell & CO Investment Adviser LLC | 59,952 | $1.73M | 0.08% | +59,952 | New |
| Aquatic Capital Management LLC | 61,352 | $1.77M | 0.05% | +7,479+13.9% | Added |
| Alps Advisors Inc | 62,242 | $1.79M | 0.01% | −4,083−6.2% | Reduced |
| Campbell Newman Asset Management Inc | 63,148 | $1.82M | 0.13% | −2,217−3.4% | Reduced |
| Walleye Capital LLC | 64,520 | $1.86M | 0.01% | +64,520 | New |
| Kennedy Capital Management, Inc. | 64,625 | $1.86M | 0.04% | +240.0% | Added |
| Susquehanna International Group, LLP | 65,625 | $1.89M | 0.00% | −61,546−48.4% | Reduced |
| Dynamic Technology Lab Private Ltd | 69,225 | $1.99M | 0.45% | +69,225 | New |
| HRT Financial LP | 69,724 | $2.01M | 0.01% | +63,530+1,025.7% | Added |
| New York State Common Retirement Fund | 70,400 | $2.03M | 0.00% | +1,700+2.5% | Added |
| ExodusPoint Capital Management, LP | 70,751 | $2.04M | 0.02% | +70,751 | New |
| SG Americas Securities, LLC | 70,992 | $2.04M | 0.00% | +39,169+123.1% | Added |
| Lumbard & Kellner, LLC | 71,161 | $2.05M | 0.72% | −1,278−1.8% | Reduced |
| Barclays PLC | 73,805 | $2.12M | 0.00% | +11,242+18.0% | Added |
| Victory Capital Management Inc | 76,882 | $2.21M | 0.00% | +35,493+85.8% | Added |
| UBS Asset Management Americas Inc | 77,207 | $2.22M | 0.00% | −5,430−6.6% | Reduced |
| Point72 Asset Management, L.P. | 77,457 | $2.23M | 0.00% | +44,234+133.1% | Added |
| Millennium Management LLC | 78,088 | $2.25M | 0.00% | −44,414−36.3% | Reduced |
| SEI Investments Co | 78,810 | $2.27M | 0.00% | +12,612+19.1% | Added |
| Capital Fund Management S.A. | 79,160 | $2.28M | 0.02% | +13,625+20.8% | Added |
| BNP Paribas Arbitrage, SA | 82,502 | $2.37M | 0.00% | +19,493+30.9% | Added |
| Swiss National Bank | 89,100 | $2.56M | 0.00% | +4,500+5.3% | Added |
| ArrowMark Colorado Holdings LLC | 110,432 | $3.18M | 0.07% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 120,251 | $3.46M | 0.08% | +120,251 | New |
| JPMorgan Chase & Co | 123,103 | $3.54M | 0.00% | +8,215+7.2% | Added |
| FMR LLC | 124,406 | $3.58M | 0.00% | +23,564+23.4% | Added |
| Wells Fargo & Company | 133,918 | $3.85M | 0.00% | −83,908−38.5% | Reduced |
| Axiom Investors LLC | 134,076 | $3.86M | 0.03% | −130,584−49.3% | Reduced |
| Baird Financial Group, Inc. | 134,899 | $3.88M | 0.01% | +54,109+67.0% | Added |
| Bank of New York Mellon Corp | 137,042 | $3.94M | 0.00% | +3,522+2.6% | Added |
| Renaissance Technologies LLC | 139,989 | $4.03M | 0.01% | −184,000−56.8% | Reduced |
| Raymond James Financial Inc | 141,811 | $4.08M | 0.00% | −25,505−15.2% | Reduced |
| Palisades Investment Partners, LLC | 144,209 | $4.15M | 1.57% | +3,100+2.2% | Added |