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American Superconductor shares owned by Henderson Group

Quarter-by-quarter ownership of American Superconductor (AMSC) shares owned by Henderson Group from 13F filings

Historical chart of Henderson Group investment in American Superconductor

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All positions including American Superconductor held by Henderson Group consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in American Superconductor by Henderson Group

Quarter filed Position value Share count Share price at filing
2025-09-30 $2.3M 39k 59.39
2025-03-31 $297k 16k 18.79
2024-12-31 $389k 16k 24.62
2024-09-30 $373k 16k 23.59