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, Q1 2024
Institutional positions in American Superconductor Corp as of Mar 31, 2024. 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
- 128
- +29 vs. Q4 2023
- Shares held
- 23.1M
- +7.05M (+43.9%) vs. Q4 2023
- Total value
- $312.0M
- +$133.3M (+74.5%) vs. Q4 2023
- New holders
- 43
- 40 more added
- Sold out
- 14
- 23 more reduced
Compare with Q4 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 | $953.2M |
| 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, Q1 2024
Shares, value and share of portfolio for each institution holding American Superconductor Corp; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| National Bank of Canada | 5,950 | $80.3K | 0.00% | +5,950 | New |
| Tower Research Capital LLC (TRC) | 5,804 | $78.4K | 0.00% | +5,326+1,114.2% | Added |
| Point72 Asset Management, L.P. | 3,700 | $50.0K | 0.00% | +3,700 | New |
| Advisor Group Holdings, Inc. | 3,524 | $47.6K | 0.00% | −4,391−55.5% | Reduced |
| Steward Partners Investment Advisory, LLC | 3,000 | $40.5K | 0.00% | +3,000 | New |
| Global Retirement Partners, LLC | 2,520 | $34.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 1,567 | $21.2K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 1,388 | $18.8K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 968 | $13.1K | 0.00% | +968 | New |
| Parallel Advisors, LLC | 835 | $11.3K | 0.00% | +835 | New |
| Stone House Investment Management, LLC | 600 | $8.11K | 0.00% | +600 | New |
| Northwestern Mutual Wealth Management Co | 550 | $7.43K | 0.00% | +550 | New |
| Nisa Investment Advisors, LLC | 540 | $7.29K | 0.00% | 00.0% | Unchanged |
| Wetzel Investment Advisors, Inc. | 500 | $5.88K | 0.00% | 00.0% | Unchanged |
| Arrow Financial Corp | 345 | $4.66K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 300 | $4.05K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 220 | $2.97K | 0.00% | +220 | New |
| First Manhattan Co | 150 | $2.03K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 115 | $1.55K | 0.00% | +115 | New |
| GAMMA Investing LLC | 107 | $1.45K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 100 | $1.35K | 0.00% | +100 | New |
| Spire Wealth Management | 64 | $865 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 40 | $540 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 30 | $405 | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 21 | $284 | 0.00% | +21 | New |
| JFS Wealth Advisors, LLC | 10 | $136 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 10 | $135 | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 2,143 | $29 | 0.00% | +2,143 | New |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −105,909−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −57,784−100.0% | Sold out |
| Cetera Advisors LLC | 0 | $0 | 0.00% | −41,021−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −23,650−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −17,289−100.0% | Sold out |
| Raymond James Financial Services Advisors, Inc. | 0 | $0 | 0.00% | −11,845−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −11,180−100.0% | Sold out |
| AJOVista, LLC | 0 | $0 | 0.00% | −6,221−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −3,306−100.0% | Sold out |
| Psagot Value Holdings Ltd. / (Israel) | 0 | $0 | 0.00% | −2,917−100.0% | Sold out |
| M&R Capital Management Inc | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −128−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −550−100.0% | Sold out |