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, Q2 2023
Institutional positions in American Superconductor Corp as of Jun 30, 2023. 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
- 77
- +3 vs. Q1 2023
- Shares held
- 13.1M
- −49.2K (−0.4%) vs. Q1 2023
- Total value
- $81.9M
- +$17.4M (+26.9%) vs. Q1 2023
- New holders
- 14
- 26 more added
- Sold out
- 11
- 18 more reduced
Compare with Q1 2023: 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, Q2 2023
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. | 2,228,301 | $13.9M | 1.89% | −307,982−12.1% | Reduced |
| Royce & Associates LP | 1,864,529 | $11.7M | 0.11% | +52,758+2.9% | Added |
| Baillie Gifford & Co | 1,491,370 | $9.34M | 0.01% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,243,826 | $7.79M | 0.00% | +2800.0% | Added |
| ArrowMark Colorado Holdings LLC | 669,432 | $4.19M | 0.05% | +100,000+17.6% | Added |
| Dimensional Fund Advisors LP | 594,621 | $3.72M | 0.00% | +89,230+17.7% | Added |
| Invesco Ltd. | 549,534 | $3.44M | 0.00% | −285,503−34.2% | Reduced |
| BlackRock Inc. | 515,425 | $3.23M | 0.00% | +36,621+7.6% | Added |
| KBC Group NV | 459,007 | $2.87M | 0.01% | −173,082−27.4% | Reduced |
| CM Management, LLC | 350,000 | $2.19M | 2.14% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 341,069 | $2.14M | 0.00% | +2,999+0.9% | Added |
| Geode Capital Management, LLC | 288,835 | $1.81M | 0.00% | +840.0% | Added |
| EAM Investors, LLC | 276,274 | $1.73M | 0.32% | +276,274 | New |
| Millennium Management LLC | 257,171 | $1.61M | 0.00% | +216,712+535.6% | Added |
| First Trust Advisors LP | 256,471 | $1.61M | 0.00% | −5,055−1.9% | Reduced |
| Gsa Capital Partners LLP | 187,861 | $1.18M | 0.12% | −8,462−4.3% | Reduced |
| State Street Corp | 108,492 | $679.2K | 0.00% | −304−0.3% | Reduced |
| GMT Capital Corp | 108,066 | $676.5K | 0.03% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 91,200 | $570.9K | 0.01% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 78,847 | $493.6K | 0.02% | +3,893+5.2% | Added |
| Group One Trading, L.P. | 78,002 | $488.3K | 0.02% | +22,579+40.7% | Added |
| Renaissance Technologies LLC | 69,489 | $435.0K | 0.00% | +12,889+22.8% | Added |
| Quinn Opportunity Partners LLC | 62,661 | $392.3K | 0.05% | 00.0% | Unchanged |
| Citadel Advisors LLC | 57,146 | $357.7K | 0.00% | +9,970+21.1% | Added |
| JPMorgan Chase & Co | 56,610 | $354.4K | 0.00% | −33,328−37.1% | Reduced |
| Northern Trust Corp | 53,946 | $337.7K | 0.00% | +1,203+2.3% | Added |
| Susquehanna International Group, LLP | 48,905 | $306.1K | 0.00% | −93,074−65.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 44,817 | $280.6K | 0.00% | +13,336+42.4% | Added |
| Joule Financial, LLC | 44,677 | $279.7K | 0.14% | +23,492+110.9% | Added |
| Morgan Stanley | 43,499 | $272.3K | 0.00% | −11,415−20.8% | Reduced |
| Royal Bank of Canada | 40,835 | $255.0K | 0.00% | +451+1.1% | Added |
| Cubist Systematic Strategies, LLC | 40,136 | $251.3K | 0.00% | +25,732+178.6% | Added |
| Price T Rowe Associates Inc | 36,400 | $228.0K | 0.00% | −3,700−9.2% | Reduced |
| XTX Topco Ltd | 30,393 | $190.3K | 0.03% | +30,393 | New |
| Marshall Wace, LLP | 29,760 | $186.3K | 0.00% | +29,760 | New |
| Bank of New York Mellon Corp | 29,074 | $182.0K | 0.00% | +184+0.6% | Added |
| Jump Financial, LLC | 28,821 | $180.4K | 0.01% | +11,006+61.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 23,138 | $144.8K | 0.00% | +528+2.3% | Added |
| HRT Financial LP | 22,760 | $142.0K | 0.00% | +4,436+24.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 21,789 | $136.0K | 0.00% | +9,402+75.9% | Added |
| Prescott Group Capital Management, L.L.C. | 20,200 | $126.0K | 0.03% | 00.0% | Unchanged |
| Journey Strategic Wealth LLC | 17,375 | $108.8K | 0.00% | −20,000−53.5% | Reduced |
| Quadrature Capital Ltd | 17,124 | $107.2K | 0.00% | +6,809+66.0% | Added |
| TFC Financial Management | 16,471 | $103.1K | 0.03% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 15,966 | $99.9K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 15,719 | $98.4K | 0.00% | −38,355−70.9% | Reduced |
| Greenwich Wealth Management LLC | 14,366 | $90.0K | 0.01% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 14,236 | $89.1K | 0.02% | +14,236 | New |
| GTS Securities LLC | 14,074 | $88.1K | 0.00% | +14,074 | New |
| Vontobel Holding Ltd. | 14,000 | $87.6K | 0.00% | 00.0% | Unchanged |
| Atria Wealth Solutions, Inc. | 13,575 | $85.0K | 0.00% | −1,510−10.0% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 12,746 | $79.8K | 0.00% | −1,763−12.2% | Reduced |
| Bank of America Corp | 12,499 | $78.2K | 0.00% | −4,263−25.4% | Reduced |
| Zacks Investment Management | 12,000 | $75.1K | 0.00% | +12,000 | New |
| Qube Research & Technologies Ltd | 10,672 | $66.8K | 0.00% | +10,672 | New |
| LPL Financial LLC | 10,439 | $65.3K | 0.00% | +10,439 | New |
| Two Sigma Investments, LP | 10,000 | $62.6K | 0.00% | +10,000 | New |
| Advisor Group Holdings, Inc. | 4,654 | $29.1K | 0.00% | +1,129+32.0% | Added |
| Global Retirement Partners, LLC | 4,360 | $27.3K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 3,153 | $19.7K | 0.01% | +3,153 | New |
| Wells Fargo & Company | 2,503 | $15.7K | 0.00% | +1,069+74.5% | Added |
| M&R Capital Management Inc | 2,000 | $12.5K | 0.00% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 1,797 | $11.2K | 0.00% | +1,797 | New |
| Quantbot Technologies LP | 1,700 | $10.6K | 0.00% | +1,700 | New |
| FMR LLC | 1,567 | $9.81K | 0.00% | −4,823−75.5% | Reduced |
| Rhumbline Advisers | 1,388 | $8.69K | 0.00% | +1,388 | New |
| Tilia Fiduciary Partners, Inc. | 1,100 | $6.89K | 0.01% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 540 | $3.38K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 600 | $3.00K | 0.00% | −14,246−96.0% | Reduced |
| Cutler Group LP | 611 | $3.00K | 0.00% | +611 | New |
| Federation des caisses Desjardins du Quebec | 300 | $1.88K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 193 | $1.21K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 128 | $801 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 40 | $250 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 20 | $130 | 0.00% | +10+100.0% | Added |
| JFS Wealth Advisors, LLC | 10 | $63 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 4 | $25 | 0.00% | −20,689−100.0% | Reduced |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −24,816−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −20,500−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −18,812−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −16,818−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | – | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −1,503−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −992−100.0% | Sold out |
| Slow Capital, Inc. | 0 | $0 | 0.00% | −931−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −350−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −241−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |