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American Superconductor shares owned by Yorktown Management & Research Company

Quarter-by-quarter ownership of American Superconductor (AMSC) shares owned by Yorktown Management & Research Company from 13F filings

Historical chart of Yorktown Management & Research Company investment in American Superconductor

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All positions including American Superconductor held by Yorktown Management & Research Company consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in American Superconductor by Yorktown Management & Research Company

Quarter filed Position value Share count Share price at filing
2026-06-30 $266k 6.4k 41.51

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Top funds holding American Superconductor

BlackRock
Vanguard Capital Management
Barrow, Hanley, Mewhinney & Strauss
UBS Group
Vanguard Portfolio Management
Goldman Sachs Group
State Street Corporation
Geode Capital Management
First Trust Advisors
Oberweis Asset Management
Jane Street
AWM Investment Company
Baillie Gifford & Co
Emerald Advisers
Legal & General Group

View all funds holding American Superconductor