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Atom Investors’s American Superconductor AMSC Stock Holding History

Atom Investors’s Portfolio AMSC Stock Details AMSC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$444K Buy
+10,696
New +$484K 0.04% 594
2021
Q3 		– Sell
-63,921
Closed -$1.11M – 307
2021
Q2 		$1.11M Buy
+63,921
New +$1.02M 0.14% 116

Other funds holding AMSC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
OAM
Oberweis Asset Management Lisle, Illinois $4.84B AUM 160.95% 1-Year Est. Return

Atom Investors's AMSC Position: Q2 2026 in Review

Atom Investors opened a new position in American Superconductor (AMSC) in Q2 2026: 10,696 shares worth $444K. The stake represents 0.04% of the portfolio and ranks #594 among its holdings. This is a return to the name: Atom Investors previously reported a position in AMSC as recently as Q2 2021.

Atom Investors first reported a position in AMSC in Q2 2021 and has held it in 2 quarters since. The position peaked at $1.11M in Q2 2021. 278 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

  • Atom Investors held 10,696 shares of American Superconductor worth $444K as of Q2 2026.
  • American Superconductor was a new Atom Investors position in Q2 2026.
  • American Superconductor made up 0.04% of Atom Investors's portfolio in Q2 2026, its #594 holding.
  • Atom Investors first reported a position in American Superconductor in Q2 2021 and has held it in 2 quarters since.
  • Atom Investors's American Superconductor position peaked at $1.11M in Q2 2021.
  • 278 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Atom Investors's 13F filing for Q2 2026, filed 14 Aug 2026.