AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC) Stock
4 of the hedge funds AlphaScala tracks reported AMSC in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is D.E. Shaw's at $15.23M.
Which hedge funds own AMSC?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| D.E. Shaw David Shaw | 367K | $15.23M | -35% |
| Millennium Management Israel Englander | 101K | $4.18M | -1% |
| Marshall Wace | 53K | $2.21M | NEW |
| Citadel Ken Griffin | 21K | $852.1K | -91% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →AMSC price chart
Powered by TradingViewWhat does AMERICAN SUPERCONDUCTOR CORP /DE/ do?
American Superconductor Corporation provides megawatt-scale power resiliency solutions worldwide through its Grid and Wind segments. The Grid segment, under the Gridtec Solutions brand, delivers products and services that enable electric utilities, industrial facilities, and renewable energy project developers to connect, transmit, and distribute power efficiently, reliably, and securely. Key offerings include D-VAR systems for dynamic voltage control and reactive compensation, REG systems for resilient electric grids, VVO systems for volt-var optimization in distribution networks, PQ-IVR systems for critical power solutions, and transmission planning services to address grid congestion, power quality issues, and integration of renewables. In the marine sector via Marinetec, it supplies advanced ship protection systems, such as degaussing systems that reduce naval ships' magnetic signatures for enhanced stealth and efficiency. The Wind segment, through Windtec Solutions, provides electrical control systems, power converters, generators, drivetrains, turbine designs, engineering services, and technology transfer to wind turbine manufacturers, helping lower the cost of wind energy. Founded in 1987 and headquartered near Boston, Massachusetts, with operations across Asia, Australia, Europe, and North America, American Superconductor Corporation plays a vital role in modernizing power infrastructure, supporting renewable integration, and bolstering naval capabilities.