Filing Flows

Filing Flows › American Superconductor (AMSC) › Who owns the stock

Who owns American Superconductor (AMSC) stock

256 funds reported American Superconductor (AMSC) shares in their latest 13F filings, worth $1.4B in all. The largest holder is BlackRock ($170M). Last quarter 153 funds added to their stakes and 103 cut them.

Largest holders of AMSC (13F)Largest holders of AMSC (13F)BlackRock$170MVanguard Group$101MVanguard Capital Management LLC$84.4MUBS Group AG$59.3MVanguard Portfolio Management LLC$58.9MState Street$56.4MGoldman Sachs Group$53.7MGeode Capital Management, LLC$51.6MFirst Trust Advisors LP$48.5MOberweis Asset Management$41.0M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock4,095,371$170Mincrease2026-06-30
Vanguard Group3,526,632$101Mincrease2025-12-31
Vanguard Capital Management LLC2,034,219$84.4Mdecrease2026-06-30
UBS Group AG1,429,090$59.3Mincrease2026-06-30
Vanguard Portfolio Management LLC1,418,863$58.9Mdecrease2026-06-30
State Street1,358,225$56.4Mincrease2026-06-30
Goldman Sachs Group1,294,047$53.7Mincrease2026-06-30
Geode Capital Management, LLC1,243,198$51.6Mincrease2026-06-30
First Trust Advisors LP1,168,424$48.5Mincrease2026-06-30
Oberweis Asset Management987,500$41.0Mincrease2026-06-30
Baillie Gifford933,308$38.7Mdecrease2026-06-30
Emerald Advisers, LLC843,956$35.0Mincrease2026-06-30
Legal & General Group756,863$31.4Mincrease2026-06-30
Dimensional Fund Advisors LP645,991$26.8Mdecrease2026-06-30
Morgan Stanley635,833$26.4Mincrease2026-06-30

American Superconductor's latest quarter

American Superconductor, Q2 FY27: revenue $94.0M (+43% year over year), operating margin 5.7%, net earnings $3.0M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most AMSC stock?

By the latest 13F filings: BlackRock ($170M); Vanguard Group ($101M); Vanguard Capital Management LLC ($84.4M); UBS Group AG ($59.3M); Vanguard Portfolio Management LLC ($58.9M).

What is the short interest in AMSC?

4,087,038 shares were sold short at the 2026-10-15 settlement, 4.92% of the float.

Open the interactive view →

Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.