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 2021
Institutional positions in American Superconductor Corp as of Sep 30, 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
- 101
- −4 vs. Q2 2021
- Shares held
- 16.7M
- +367.1K (+2.2%) vs. Q2 2021
- Total value
- $243.3M
- −$41.5M (−14.6%) vs. Q2 2021
- New holders
- 16
- 38 more added
- Sold out
- 20
- 25 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hudock, Inc. | 4 | $0 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 10 | $0 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 15 | $0 | 0.00% | +15 | New |
| Whittier Trust Co of Nevada Inc | 40 | $1.00K | 0.00% | 00.0% | Unchanged |
| Meridian Wealth Partners, LLC | 96 | $1.00K | 0.00% | +96 | New |
| Raffa Wealth Management, LLC | 124 | $1.81K | 0.00% | +124 | New |
| Captrust Financial Advisors | 112 | $2.00K | 0.00% | +27+31.8% | Added |
| Ellevest, Inc. | 121 | $2.00K | 0.00% | +95+365.4% | Added |
| TCI Wealth Advisors, Inc. | 235 | $3.00K | 0.00% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 226 | $3.00K | 0.00% | +46+25.6% | Added |
| McCarthy Asset Management, Inc. | 250 | $4.00K | 0.00% | +250 | New |
| Federation des caisses Desjardins du Quebec | 300 | $4.37K | 0.00% | 00.0% | Unchanged |
| Eaton Vance Management | 500 | $7.00K | 0.00% | 00.0% | Unchanged |
| Arcadia Investment Management Corp | 470 | $7.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 540 | $8.00K | 0.00% | 00.0% | Unchanged |
| Koshinski Asset Management, Inc. | 600 | $8.75K | 0.00% | +600 | New |
| US Bancorp | 744 | $11.0K | 0.00% | −1,047−58.5% | Reduced |
| First Manhattan Co | 850 | $12.0K | 0.00% | −6,000−87.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 951 | $14.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,034 | $15.0K | 0.00% | −2,215−68.2% | Reduced |
| Patriot Financial Group Insurance Agency, LLC | 1,963 | $29.0K | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,255 | $33.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,276 | $33.0K | 0.00% | +187+9.0% | Added |
| Cutler Group LP | 2,506 | $36.0K | 0.00% | −3,232−56.3% | Reduced |
| UBS Group AG | 3,312 | $49.0K | 0.00% | +3,232+4,040.0% | Added |
| Global Retirement Partners, LLC | 3,595 | $52.0K | 0.01% | +3,595 | New |
| Citigroup Inc | 3,791 | $55.0K | 0.00% | +2,471+187.2% | Added |
| Wells Fargo & Company | 5,144 | $75.0K | 0.00% | +345+7.2% | Added |
| Farmers & Merchants Investments Inc | 5,500 | $80.0K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 6,500 | $95.0K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 7,137 | $104.1K | 0.00% | +4,433+163.9% | Added |
| Metropolitan Life Insurance Co | 7,422 | $108.2K | 0.00% | +289+4.1% | Added |
| Gerber Kawasaki Wealth & Investment Management | 8,000 | $116.0K | 0.02% | +8,000 | New |
| Group One Trading, L.P. | 9,046 | $132.0K | 0.00% | −8,950−49.7% | Reduced |
| Investors Asset Management of Georgia Inc | 10,400 | $152.0K | 0.08% | +10,400 | New |
| F3Logic, LLC | 10,500 | $153.0K | 0.02% | +10,500 | New |
| MetLife Investment Management | 10,830 | $157.9K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 10,907 | $159.0K | 0.00% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 13,191 | $179.0K | 0.00% | +1,016+8.3% | Added |
| Advisor Group Holdings, Inc. | 12,551 | $182.0K | 0.00% | −5,705−31.3% | Reduced |
| Barclays PLC | 13,433 | $195.0K | 0.00% | +9,950+285.7% | Added |
| Alpha Paradigm Partners, LLC | 13,594 | $198.0K | 0.08% | +13,594 | New |
| Vontobel Holding Ltd. | 14,000 | $204.0K | 0.00% | −56,328−80.1% | Reduced |
| California State Teachers Retirement System | 14,491 | $211.0K | 0.00% | −22,501−60.8% | Reduced |
| American International Group, Inc. | 15,115 | $220.0K | 0.00% | +48+0.3% | Added |
| Two Sigma Investments, LP | 15,557 | $227.0K | 0.00% | −30,200−66.0% | Reduced |
| Manufacturers Life Insurance Company, The | 16,387 | $239.0K | 0.00% | −521−3.1% | Reduced |
| SG Americas Securities, LLC | 16,653 | $243.0K | 0.00% | +16,653 | New |
| Tatro Capital, LLC | 18,492 | $270.0K | 0.21% | +18,492 | New |
| New York State Common Retirement Fund | 21,277 | $310.0K | 0.00% | −49−0.2% | Reduced |
| Bank of America Corp | 21,579 | $314.0K | 0.00% | +6,635+44.4% | Added |
| STRS Ohio | 22,100 | $322.0K | 0.00% | −15,700−41.5% | Reduced |
| Morgan Stanley | 22,081 | $322.0K | 0.00% | +9,231+71.8% | Added |
| TFC Financial Management | 22,550 | $329.0K | 0.11% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 25,500 | $371.0K | 0.17% | −12,759−33.3% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 25,819 | $376.0K | 0.00% | −18−0.1% | Reduced |
| Simplex Trading, LLC | 21,497 | $382.0K | 0.01% | +1,300+6.4% | Added |
| Parametric Portfolio Associates LLC | 27,551 | $402.0K | 0.00% | −8,814−24.2% | Reduced |
| HRT Financial LP | 27,701 | $403.0K | 0.00% | +14,768+114.2% | Added |
| CM Management, LLC | 30,000 | $437.0K | 0.33% | +30,000 | New |
| Rhumbline Advisers | 36,523 | $533.0K | 0.00% | +1,380+3.9% | Added |
| Two Sigma Advisers, LP | 38,982 | $568.0K | 0.00% | −6,000−13.3% | Reduced |
| Assenagon Asset Management S.A. | 39,068 | $570.0K | 0.00% | −6,233−13.8% | Reduced |
| Renaissance Technologies LLC | 43,808 | $639.0K | 0.00% | −300,746−87.3% | Reduced |
| Citadel Advisors LLC | 44,852 | $654.0K | 0.00% | +32,481+262.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 46,132 | $673.0K | 0.00% | +3,207+7.5% | Added |
| Royal Bank of Canada | 47,135 | $688.0K | 0.00% | +19,970+73.5% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 57,895 | $844.0K | 0.02% | −1,719−2.9% | Reduced |
| Formula Growth Ltd | 65,000 | $948.0K | 0.14% | 00.0% | Unchanged |
| KBC Group NV | 66,099 | $964.0K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 69,351 | $1.01M | 0.00% | +2,978+4.5% | Added |
| Susquehanna International Group, LLP | 80,537 | $1.17M | 0.00% | +1,133+1.4% | Added |
| JPMorgan Chase & Co | 81,011 | $1.18M | 0.00% | −183,955−69.4% | Reduced |
| Gsa Capital Partners LLP | 81,176 | $1.18M | 0.12% | +61,847+320.0% | Added |
| Worth Venture Partners, LLC | 90,681 | $1.32M | 0.60% | +90,681 | New |
| Natixis | 100,000 | $1.46M | 0.01% | +100,000 | New |
| Nuveen Asset Management, LLC | 113,461 | $1.54M | 0.00% | −3,903−3.3% | Reduced |
| GMT Capital Corp | 108,066 | $1.58M | 0.14% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 129,103 | $1.88M | 0.00% | +9,042+7.5% | Added |
| Deutsche Bank AG | 140,274 | $2.04M | 0.00% | −29,218−17.2% | Reduced |
| Baird Financial Group, Inc. | 206,849 | $3.02M | 0.01% | +62,264+43.1% | Added |
| Goldman Sachs Group Inc | 213,921 | $3.12M | 0.00% | +164,728+334.9% | Added |
| Dimensional Fund Advisors LP | 222,381 | $3.24M | 0.00% | −13,105−5.6% | Reduced |
| Alps Advisors Inc | 239,081 | $3.49M | 0.03% | +31,921+15.4% | Added |
| Northern Trust Corp | 246,727 | $3.60M | 0.00% | +2,563+1.0% | Added |
| Millennium Management LLC | 248,184 | $3.62M | 0.00% | +79,405+47.0% | Added |
| Arosa Capital Management LP | 290,000 | $4.23M | 1.49% | +140,000+93.3% | Added |
| First Trust Advisors LP | 317,451 | $4.63M | 0.00% | −12,158−3.7% | Reduced |
| ArrowMark Colorado Holdings LLC | 335,000 | $4.88M | 0.04% | +123,000+58.0% | Added |
| Erste Asset Management GmbH | 381,670 | $5.18M | 0.10% | 00.0% | Unchanged |
| AIGH Capital Management LLC | 395,487 | $5.77M | 1.71% | +395,487 | New |
| Geode Capital Management, LLC | 504,436 | $7.35M | 0.00% | +65,260+14.9% | Added |
| D. E. Shaw & Co., Inc. | 508,251 | $7.41M | 0.01% | +96,874+23.5% | Added |
| Royce & Associates LP | 721,574 | $10.5M | 0.08% | 00.0% | Unchanged |
| AWM Investment Company, Inc. | 854,534 | $12.5M | 1.22% | 00.0% | Unchanged |
| State Street Corp | 1,007,037 | $14.7M | 0.00% | +8,003+0.8% | Added |
| Vanguard Group Inc | 1,200,535 | $17.5M | 0.00% | +8,261+0.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,347,241 | $19.6M | 0.07% | +47,347+3.6% | Added |
| Baillie Gifford & Co | 1,491,370 | $21.7M | 0.01% | +211,970+16.6% | Added |
| BlackRock Inc. | 1,890,029 | $27.6M | 0.00% | +33,624+1.8% | Added |