NasdaqGS - Delayed Quote • USD
American Superconductor Corporation (AMSC)
At close: May 17 at 4:00 PM EDT
After hours: May 17 at 7:50 PM EDT
Major Holders
| Breakdown | |
|---|---|
| 4.54% | % of Shares Held by All Insider |
| 64.82% | % of Shares Held by Institutions |
| 67.90% | % of Float Held by Institutions |
| 154 | Number of Institutions Holding Shares |
Top Institutional Holders
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| AWM Investment Company, Inc. | 2.66M | Mar 31, 2024 | 8.66% | 37,285,079 |
| Baillie Gifford and Company | 2.53M | Mar 31, 2024 | 8.22% | 35,396,966 |
| Vanguard Group Inc | 1.7M | Mar 31, 2024 | 5.53% | 23,802,065 |
| Hood River Capital Management LLC | 1.62M | Mar 31, 2024 | 5.27% | 22,679,486 |
| Royce & Associates LP | 1.19M | Mar 31, 2024 | 3.88% | 16,716,480 |
| Driehaus Capital Management, LLC | 931.98k | Mar 31, 2024 | 3.03% | 13,057,026 |
| Invesco Ltd. | 864.23k | Mar 31, 2024 | 2.81% | 12,107,820 |
| Blackrock Inc. | 746.27k | Mar 31, 2024 | 2.43% | 10,455,186 |
| Oberweis Asset Management Inc. | 634.4k | Mar 31, 2024 | 2.06% | 8,887,944 |
| Essex Investment Management Co LLC | 583.92k | Mar 31, 2024 | 1.90% | 8,180,775 |
Top Mutual Fund Holders
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Roxbury/Hood River Small Cap Growth Fund | 988.37k | Apr 30, 2024 | 3.22% | 13,847,119 |
| Vanguard Total Stock Market Index Fund | 824.76k | Dec 31, 2023 | 2.68% | 11,554,831 |
| Royce Opportunity Fund | 435.5k | Dec 31, 2023 | 1.42% | 6,101,341 |
| Meridian Contrarian Fund | 431.43k | Dec 31, 2023 | 1.40% | 6,044,362 |
| Vanguard Extended Market Index Fund | 431.48k | Dec 31, 2023 | 1.40% | 6,045,034 |
| Oberweis Micro-Cap Portfolio | 375.8k | Dec 31, 2023 | 1.22% | 5,264,958 |
| Invesco ETF Tr-Invesco Wilderhill Clean Energy ETF | 371.97k | Mar 31, 2024 | 1.21% | 5,211,257 |
| Invesco ETF Tr II-Invesco DWA Small Cap Momentum ETF | 269.14k | Mar 31, 2024 | 0.88% | 3,770,609 |
| Old Westbury Small & Mid Cap Strategies Fund | 260.74k | Jan 31, 2024 | 0.85% | 3,652,981 |
| Royce Micro-Cap Fund | 248.8k | Dec 31, 2023 | 0.81% | 3,485,688 |
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