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
- −335.5K (−2.0%) vs. Q3 2021
- Total value
- $178.2M
- −$65.2M (−26.8%) 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 | $953.2M |
| 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 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 |
|---|---|---|---|---|---|
| Whittier Trust Co of Nevada Inc | 40 | $0 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 15 | $0 | 0.00% | 00.0% | Unchanged |
| Hudock, Inc. | 4 | $0 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 10 | $0 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 128 | $1.00K | 0.00% | −616−82.8% | Reduced |
| Captrust Financial Advisors | 70 | $1.00K | 0.00% | −42−37.5% | Reduced |
| Raffa Wealth Management, LLC | 124 | $1.35K | 0.00% | 00.0% | Unchanged |
| 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 |
| Johnson Financial Group, Inc. | 252 | $3.00K | 0.00% | +26+11.5% | Added |
| Federation des caisses Desjardins du Quebec | 300 | $3.26K | 0.00% | 00.0% | Unchanged |
| McCarthy Asset Management, Inc. | 375 | $4.00K | 0.00% | +125+50.0% | Added |
| Arcadia Investment Management Corp | 470 | $5.00K | 0.00% | 00.0% | Unchanged |
| Eaton Vance Management | 500 | $5.00K | 0.00% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 600 | $6.53K | 0.00% | 00.0% | Unchanged |
| First Manhattan Co | 850 | $9.00K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 951 | $10.0K | 0.00% | 00.0% | Unchanged |
| FinTrust Capital Advisors, LLC | 1,000 | $11.0K | 0.00% | +1,000 | New |
| Tilia Fiduciary Partners, Inc. | 1,100 | $12.0K | 0.01% | +1,100 | New |
| Rockefeller Capital Management L.P. | 1,200 | $13.0K | 0.00% | +1,200 | New |
| Leonteq Securities AG | 1,250 | $13.6K | 0.00% | +1,250 | New |
| Patriot Financial Group Insurance Agency, LLC | 1,963 | $21.0K | 0.00% | 00.0% | Unchanged |
| 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 |
| Global Retirement Partners, LLC | 3,530 | $38.0K | 0.03% | −65−1.8% | Reduced |
| FNY Investment Advisers, LLC | 4,000 | $43.0K | 0.02% | −21,500−84.3% | Reduced |
| Farmers & Merchants Investments Inc | 5,500 | $60.0K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 6,500 | $71.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 7,422 | $80.8K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 8,506 | $93.0K | 0.00% | +4,715+124.4% | Added |
| 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 |
| Virtu Financial LLC | 10,317 | $112.0K | 0.01% | +10,317 | New |
| Jump Financial, LLC | 10,424 | $113.0K | 0.01% | +10,424 | New |
| Voya Investment Management LLC | 10,436 | $114.0K | 0.00% | −471−4.3% | Reduced |
| ExodusPoint Capital Management, LP | 10,690 | $116.0K | 0.00% | +10,690 | New |
| MetLife Investment Management | 10,830 | $117.8K | 0.00% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 11,200 | $122.0K | 0.00% | −16,351−59.3% | Reduced |
| Cavalry Management Group, LLC | 11,283 | $123.0K | 0.01% | +11,283 | New |
| BNP Paribas Arbitrage, SA | 11,756 | $127.9K | 0.00% | +4,619+64.7% | Added |
| Man Group plc | 11,800 | $128.0K | 0.00% | +11,800 | New |
| Advisor Group Holdings, Inc. | 13,022 | $140.0K | 0.00% | +471+3.8% | Added |
| SG Americas Securities, LLC | 13,181 | $143.0K | 0.00% | −3,472−20.8% | Reduced |
| Vontobel Holding Ltd. | 14,000 | $152.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 14,096 | $154.0K | 0.00% | +13,062+1,263.2% | Added |
| American International Group, Inc. | 14,676 | $160.0K | 0.00% | −439−2.9% | Reduced |
| California State Teachers Retirement System | 14,926 | $162.0K | 0.00% | +435+3.0% | Added |
| Raymond James Financial Services Advisors, Inc. | 15,937 | $173.0K | 0.00% | +15,937 | New |
| Aristides Capital LLC | 16,331 | $178.0K | 0.10% | +16,331 | New |
| Manufacturers Life Insurance Company, The | 16,418 | $179.0K | 0.00% | +31+0.2% | Added |
| UBS Group AG | 17,446 | $189.0K | 0.00% | +14,134+426.8% | Added |
| New York State Common Retirement Fund | 19,035 | $207.0K | 0.00% | −2,242−10.5% | Reduced |
| Wells Fargo & Company | 19,937 | $218.0K | 0.00% | +14,793+287.6% | Added |
| Tatro Capital, LLC | 21,711 | $236.0K | 0.17% | +3,219+17.4% | Added |
| STRS Ohio | 22,100 | $240.0K | 0.00% | 00.0% | Unchanged |
| Anson Funds Management LP | 22,208 | $242.0K | 0.03% | +22,208 | 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 |
| Healthcare of Ontario Pension Plan Trust Fund | 22,942 | $250.0K | 0.00% | +22,942 | New |
| Cambridge Investment Research Advisors, Inc. | 25,389 | $276.0K | 0.00% | −430−1.7% | Reduced |
| Price T Rowe Associates Inc | 25,859 | $281.0K | 0.00% | +25,859 | New |
| Squarepoint Ops LLC | 29,768 | $324.0K | 0.00% | +29,768 | New |
| Goldman Sachs Group Inc | 33,207 | $361.0K | 0.00% | −180,714−84.5% | Reduced |
| Barclays PLC | 33,525 | $365.0K | 0.00% | +20,092+149.6% | Added |
| Journey Strategic Wealth LLC | 35,000 | $381.0K | 0.04% | +35,000 | New |
| Nomura Holdings Inc | 35,286 | $386.0K | 0.00% | +35,286 | New |
| Simplex Trading, LLC | 35,653 | $387.0K | 0.01% | +14,156+65.9% | Added |
| Rhumbline Advisers | 35,868 | $390.0K | 0.00% | −655−1.8% | Reduced |
| Engineers Gate Manager LP | 37,890 | $412.0K | 0.02% | +37,890 | New |
| Assenagon Asset Management S.A. | 38,833 | $423.0K | 0.00% | −235−0.6% | Reduced |
| Bank of America Corp | 42,214 | $459.0K | 0.00% | +20,635+95.6% | Added |
| Royal Bank of Canada | 47,912 | $521.0K | 0.00% | +777+1.6% | Added |
| PEAK6 Investments LLC | 61,385 | $668.0K | 0.02% | +61,385 | New |
| Harel Insurance Investments & Financial Services Ltd. | 61,811 | $678.0K | 0.01% | +3,916+6.8% | Added |
| Citadel Advisors LLC | 62,492 | $680.0K | 0.00% | +17,640+39.3% | Added |
| Gsa Capital Partners LLP | 63,176 | $687.0K | 0.09% | −18,000−22.2% | Reduced |
| Formula Growth Ltd | 65,000 | $707.0K | 0.13% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 69,351 | $755.0K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 72,760 | $802.0K | 0.00% | +26,628+57.7% | Added |
| Morgan Stanley | 75,664 | $823.0K | 0.00% | +53,583+242.7% | Added |
| JPMorgan Chase & Co | 79,146 | $861.0K | 0.00% | −1,865−2.3% | Reduced |
| CM Management, LLC | 80,000 | $870.0K | 0.66% | +50,000+166.7% | Added |
| KBC Group NV | 89,688 | $976.0K | 0.00% | +23,589+35.7% | Added |
| Natixis | 100,000 | $1.09M | 0.00% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 107,853 | $1.12M | 0.00% | −5,608−4.9% | Reduced |
| Bank of New York Mellon Corp | 131,071 | $1.43M | 0.00% | +1,968+1.5% | Added |
| Deutsche Bank AG | 141,156 | $1.54M | 0.00% | +882+0.6% | Added |
| Millennium Management LLC | 173,973 | $1.89M | 0.00% | −74,211−29.9% | Reduced |
| Baird Financial Group, Inc. | 207,964 | $2.26M | 0.01% | +1,115+0.5% | Added |
| Alps Advisors Inc | 232,233 | $2.53M | 0.03% | −6,848−2.9% | Reduced |
| Dimensional Fund Advisors LP | 234,901 | $2.56M | 0.00% | +12,520+5.6% | Added |
| Northern Trust Corp | 240,256 | $2.61M | 0.00% | −6,471−2.6% | Reduced |
| Arosa Capital Management LP | 250,000 | $2.72M | 0.99% | −40,000−13.8% | Reduced |
| Erste Asset Management GmbH | 347,090 | $3.73M | 0.07% | −34,580−9.1% | Reduced |
| First Trust Advisors LP | 364,275 | $3.96M | 0.00% | +46,824+14.7% | Added |
| ArrowMark Colorado Holdings LLC | 415,000 | $4.51M | 0.04% | +80,000+23.9% | Added |
| Geode Capital Management, LLC | 465,645 | $5.07M | 0.00% | −38,791−7.7% | Reduced |
| D. E. Shaw & Co., Inc. | 592,390 | $6.45M | 0.01% | +84,139+16.6% | Added |
| Royce & Associates LP | 749,600 | $8.16M | 0.06% | +28,026+3.9% | Added |