A
American Superconductor Corporation (AMSC)
NMS – Real Time Price. Currency in USD
39.73
-0.55 (-1.37%)
At close: Jun 26, 2026, 4:00 PM EDT
39.60
-0.13 (-0.33%)
After-hours: Jun 26, 2026, 7:47 PM EDT
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NMS – Real Time Price. Currency in USD
39.73
-0.55 (-1.37%)
At close: Jun 26, 2026, 4:00 PM EDT
39.60
-0.13 (-0.33%)
After-hours: Jun 26, 2026, 7:47 PM EDT
| Breakdown | |
|---|---|
| 3.44% | % of Shares Held by All Insider |
| 69.78% | % of Shares Held by Institutions |
| 72.27% | % of Float Held by Institutions |
| 344 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Blackrock Inc. | 3.98M | 2026-03-31 | 8.22% | $156.74M |
| Vanguard Capital Management LLC | 2.04M | 2026-03-31 | 4.21% | $80.26M |
| Vanguard Portfolio Management LLC | 1.71M | 2026-03-31 | 3.53% | $67.36M |
| BAILLIE GIFFORD & CO | 1.45M | 2026-03-31 | 2.99% | $56.96M |
| State Street Corporation | 1.26M | 2026-03-31 | 2.60% | $49.63M |
| Geode Capital Management, LLC | 1.17M | 2026-03-31 | 2.41% | $46.01M |
| Barrow, Hanley Mewhinney & Strauss, LLC | 1.14M | 2026-03-31 | 2.35% | $44.86M |
| Nuveen, LLC | 1.02M | 2026-03-31 | 2.11% | $40.18M |
| Oberweis Asset Management Inc. | 849,900 | 2026-03-31 | 1.75% | $33.45M |
| AWM Investment Company, Inc. | 801,604 | 2026-03-31 | 1.65% | $31.55M |
| Emerald Advisers, LLC | 757,404 | 2026-03-31 | 1.59% | $41.80M |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.46M | 2026-03-31 | 3.02% | $57.55M |
| iShares Trust-iShares Russell 2000 ETF | 1.09M | 2026-04-30 | 2.24% | $42.78M |
| OBERWEIS FUNDS-Oberweis Micro-Cap Fund | 785,200 | 2026-03-31 | 1.62% | $30.90M |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 531,366 | 2026-03-31 | 1.10% | $20.91M |
| First TRT Exch-Trd Fd. II-First TRT NASDAQ Clean Edge Smart Grid Infra | 525,388 | 2026-05-31 | 1.08% | $20.68M |
| VANGUARD HORIZON FUNDS-Vanguard Strategic Equity Fund | 470,284 | 2026-03-31 | 0.97% | $18.51M |
| College Retirement Equities Fd.-College Retirement Equities Fd. - Tota | 445,437 | 2026-03-31 | 0.92% | $17.53M |
| Fidelity Salem Street Trust-Fidelity Small Cap Index Fund | 428,414 | 2026-02-28 | 0.88% | $16.86M |
| Vanguard Explorer Fund | 424,487 | 2026-01-31 | 0.88% | $16.71M |
| iShares Trust-iShares Russell 2000 Growth ETF | 376,992 | 2026-04-30 | 0.78% | $14.84M |
| Invesco Exchange-Traded Fund Trust-Invesco WilderHill Clean Energy ETF | 346,589 | 2026-01-31 | 0.73% | $12.53M |
| TIAA-CREF Funds-Nuveen Quant Small Cap Equity Fund | 340,280 | 2026-01-31 | 0.71% | $17.33M |
| IVY FUNDS-Nomura Small Cap Growth Fund | 306,390 | 2025-12-31 | 0.64% | $10.03M |