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 2021
Institutional positions in American Superconductor Corp as of Dec 31, 2021. 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
- 107
- +6 vs. Q3 2021
- Shares held
- 16.4M
- −301.9K (−1.8%) vs. Q3 2021
- Total value
- $178.5M
- −$64.8M (−26.6%) vs. Q3 2021
- New holders
- 21
- 35 more added
- Sold out
- 15
- 25 more reduced
Compare with Q3 2021: 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 | $953.6M |
| Q3 2025 | 273 | $1.95B |
| Q2 2025 | 232 | $1.20B |
| Q1 2025 | 189 | $500.1M |
| Q4 2024 | 191 | $678.1M |
| Q3 2024 | 171 | $643.8M |
| Q2 2024 | 155 | $638.3M |
| Q1 2024 | 128 | $326.7M |
| Q4 2023 | 99 | $180.6M |
| 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 | $178.5M |
| Q3 2021 | 101 | $243.3M |
| Q2 2021 | 105 | $286.0M |
| Q1 2021 | 104 | $312.5M |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Invesco Ltd. | 2,072,216 | $22.5M | 0.01% | +3,207+0.2% | Added |
| BlackRock Inc. | 1,906,149 | $20.7M | 0.00% | +16,120+0.9% | Added |
| Baillie Gifford & Co | 1,491,370 | $16.2M | 0.01% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,269,870 | $13.8M | 0.05% | −77,371−5.7% | Reduced |
| Vanguard Group Inc | 1,211,026 | $13.2M | 0.00% | +10,491+0.9% | Added |
| State Street Corp | 1,094,479 | $11.9M | 0.00% | +87,442+8.7% | Added |
| AWM Investment Company, Inc. | 854,534 | $9.30M | 0.93% | 00.0% | Unchanged |
| Royce & Associates LP | 749,600 | $8.16M | 0.06% | +28,026+3.9% | Added |
| D. E. Shaw & Co., Inc. | 592,390 | $6.45M | 0.01% | +84,139+16.6% | Added |
| Geode Capital Management, LLC | 465,645 | $5.07M | 0.00% | −38,791−7.7% | Reduced |
| ArrowMark Colorado Holdings LLC | 415,000 | $4.51M | 0.04% | +80,000+23.9% | Added |
| First Trust Advisors LP | 364,275 | $3.96M | 0.00% | +46,824+14.7% | Added |
| Erste Asset Management GmbH | 347,090 | $3.73M | 0.07% | −34,580−9.1% | Reduced |
| Arosa Capital Management LP | 250,000 | $2.72M | 0.98% | −40,000−13.8% | Reduced |
| Northern Trust Corp | 240,256 | $2.61M | 0.00% | −6,471−2.6% | Reduced |
| Dimensional Fund Advisors LP | 234,901 | $2.56M | 0.00% | +12,520+5.6% | Added |
| Alps Advisors Inc | 232,233 | $2.53M | 0.03% | −6,848−2.9% | Reduced |
| Baird Financial Group, Inc. | 207,964 | $2.26M | 0.01% | +1,115+0.5% | Added |
| Millennium Management LLC | 173,973 | $1.89M | 0.00% | −74,211−29.9% | Reduced |
| Deutsche Bank AG | 141,156 | $1.54M | 0.00% | +882+0.6% | Added |
| Bank of New York Mellon Corp | 131,071 | $1.43M | 0.00% | +1,968+1.5% | Added |
| Nuveen Asset Management, LLC | 107,853 | $1.12M | 0.00% | −5,608−4.9% | Reduced |
| Natixis | 100,000 | $1.09M | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 89,688 | $976.0K | 0.00% | +23,589+35.7% | Added |
| CM Management, LLC | 80,000 | $870.0K | 0.66% | +50,000+166.7% | Added |
| JPMorgan Chase & Co | 79,146 | $861.0K | 0.00% | −1,865−2.3% | Reduced |
| Morgan Stanley | 75,664 | $823.0K | 0.00% | +53,583+242.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 72,760 | $802.0K | 0.00% | +26,628+57.7% | Added |
| Charles Schwab Investment Management Inc | 69,351 | $755.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 67,050 | $730.0K | 0.00% | +53,617+399.1% | Added |
| Formula Growth Ltd | 65,000 | $707.0K | 0.13% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 63,176 | $687.0K | 0.09% | −18,000−22.2% | Reduced |
| Citadel Advisors LLC | 62,492 | $680.0K | 0.00% | +17,640+39.3% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 61,811 | $678.0K | 0.01% | +3,916+6.8% | Added |
| PEAK6 Investments LLC | 61,385 | $668.0K | 0.02% | +61,385 | New |
| Royal Bank of Canada | 47,912 | $521.0K | 0.00% | +777+1.6% | Added |
| Bank of America Corp | 42,214 | $459.0K | 0.00% | +20,635+95.6% | Added |
| Assenagon Asset Management S.A. | 38,833 | $423.0K | 0.00% | −235−0.6% | Reduced |
| Engineers Gate Manager LP | 37,890 | $412.0K | 0.02% | +37,890 | New |
| Rhumbline Advisers | 35,868 | $390.0K | 0.00% | −655−1.8% | Reduced |
| Simplex Trading, LLC | 35,653 | $387.0K | 0.01% | +14,156+65.9% | Added |
| Nomura Holdings Inc | 35,286 | $386.0K | 0.00% | +35,286 | New |
| Journey Strategic Wealth LLC | 35,000 | $381.0K | 0.04% | +35,000 | New |
| Goldman Sachs Group Inc | 33,207 | $361.0K | 0.00% | −180,714−84.5% | Reduced |
| Squarepoint Ops LLC | 29,768 | $324.0K | 0.00% | +29,768 | New |
| Price T Rowe Associates Inc | 25,859 | $281.0K | 0.00% | +25,859 | New |
| Cambridge Investment Research Advisors, Inc. | 25,389 | $276.0K | 0.00% | −430−1.7% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 22,942 | $250.0K | 0.00% | +22,942 | New |
| TFC Financial Management | 22,550 | $245.0K | 0.07% | 00.0% | Unchanged |
| Group One Trading, L.P. | 22,473 | $245.0K | 0.00% | +13,427+148.4% | Added |
| Anson Funds Management LP | 22,208 | $242.0K | 0.03% | +22,208 | New |
| STRS Ohio | 22,100 | $240.0K | 0.00% | 00.0% | Unchanged |
| Tatro Capital, LLC | 21,711 | $236.0K | 0.17% | +3,219+17.4% | Added |
| Wells Fargo & Company | 19,937 | $218.0K | 0.00% | +14,793+287.6% | Added |
| New York State Common Retirement Fund | 19,035 | $207.0K | 0.00% | −2,242−10.5% | Reduced |
| UBS Group AG | 17,446 | $189.0K | 0.00% | +14,134+426.8% | Added |
| Manufacturers Life Insurance Company, The | 16,418 | $179.0K | 0.00% | +31+0.2% | Added |
| Aristides Capital LLC | 16,331 | $178.0K | 0.10% | +16,331 | New |
| Raymond James Financial Services Advisors, Inc. | 15,937 | $173.0K | 0.00% | +15,937 | New |
| California State Teachers Retirement System | 14,926 | $162.0K | 0.00% | +435+3.0% | Added |
| American International Group, Inc. | 14,676 | $160.0K | 0.00% | −439−2.9% | Reduced |
| Tower Research Capital LLC (TRC) | 14,096 | $154.0K | 0.00% | +13,062+1,263.2% | Added |
| Vontobel Holding Ltd. | 14,000 | $152.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 13,181 | $143.0K | 0.00% | −3,472−20.8% | Reduced |
| Advisor Group Holdings, Inc. | 13,022 | $140.0K | 0.00% | +471+3.8% | Added |
| Man Group plc | 11,800 | $128.0K | 0.00% | +11,800 | New |
| BNP Paribas Arbitrage, SA | 11,756 | $127.9K | 0.00% | +4,619+64.7% | Added |
| Cavalry Management Group, LLC | 11,283 | $123.0K | 0.01% | +11,283 | New |
| Parametric Portfolio Associates LLC | 11,200 | $122.0K | 0.00% | −16,351−59.3% | Reduced |
| MetLife Investment Management | 10,830 | $117.8K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 10,690 | $116.0K | 0.00% | +10,690 | New |
| Voya Investment Management LLC | 10,436 | $114.0K | 0.00% | −471−4.3% | Reduced |
| Jump Financial, LLC | 10,424 | $113.0K | 0.01% | +10,424 | New |
| Virtu Financial LLC | 10,317 | $112.0K | 0.01% | +10,317 | New |
| Investors Asset Management of Georgia Inc | 10,200 | $111.0K | 0.05% | −200−1.9% | Reduced |
| Quadrature Capital Ltd | 10,228 | $111.0K | 0.01% | +10,228 | New |
| Citigroup Inc | 8,506 | $93.0K | 0.00% | +4,715+124.4% | Added |
| Metropolitan Life Insurance Co | 7,422 | $80.8K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 6,500 | $71.0K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 5,500 | $60.0K | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 4,000 | $43.0K | 0.02% | −21,500−84.3% | Reduced |
| Global Retirement Partners, LLC | 3,530 | $38.0K | 0.03% | −65−1.8% | Reduced |
| Legal & General Group Plc | 2,276 | $25.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,255 | $25.0K | 0.00% | 00.0% | Unchanged |
| Patriot Financial Group Insurance Agency, LLC | 1,963 | $21.0K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 1,250 | $13.6K | 0.00% | +1,250 | New |
| Rockefeller Capital Management L.P. | 1,200 | $13.0K | 0.00% | +1,200 | New |
| Tilia Fiduciary Partners, Inc. | 1,100 | $12.0K | 0.01% | +1,100 | New |
| FinTrust Capital Advisors, LLC | 1,000 | $11.0K | 0.00% | +1,000 | New |
| Northwestern Mutual Wealth Management Co | 951 | $10.0K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 850 | $9.00K | 0.00% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 600 | $6.53K | 0.00% | 00.0% | Unchanged |
| Arcadia Investment Management Corp | 470 | $5.00K | 0.00% | 00.0% | Unchanged |
| Eaton Vance Management | 500 | $5.00K | 0.00% | 00.0% | Unchanged |
| McCarthy Asset Management, Inc. | 375 | $4.00K | 0.00% | +125+50.0% | Added |
| Federation des caisses Desjardins du Quebec | 300 | $3.26K | 0.00% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 252 | $3.00K | 0.00% | +26+11.5% | Added |
| Cutler Group LP | 212 | $2.00K | 0.00% | −2,294−91.5% | Reduced |
| Ellevest, Inc. | 176 | $2.00K | 0.00% | +55+45.5% | Added |
| CoreCap Advisors, LLC | 220 | $2.00K | 0.00% | +220 | New |