Vanguard Portfolio Management
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Vanguard Portfolio Management’s American Superconductor AMSC Stock Holding History

Vanguard Portfolio Management’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 		$58.9M Sell
1,418,863
-292,814
-17% -$13.2M ﹤0.01% 1673
2026
Q1 		$57.9M Buy
+1,711,677
New +$54M ﹤0.01% 1624

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
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
AIC
AWM Investment Company New York $1.15B AUM 201.65% 1-Year Est. Return

Vanguard Portfolio Management's AMSC Position: Q2 2026 in Review

Vanguard Portfolio Management reduced its American Superconductor (AMSC) stake by 17% in Q2 2026, selling an estimated $13.2M and leaving 1,418,863 shares worth $58.9M. The position accounts for ﹤0.01% of the portfolio, ranked #1673.

Vanguard Portfolio Management first reported a position in AMSC in Q1 2026 and has held it in 2 quarters since. 275 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

  • Vanguard Portfolio Management held 1,418,863 shares of American Superconductor worth $58.9M as of Q2 2026.
  • Vanguard Portfolio Management sold 292,814 American Superconductor shares in Q2 2026, an estimated $13.2M.
  • American Superconductor made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1673 holding.
  • Vanguard Portfolio Management first reported a position in American Superconductor in Q1 2026 and has held it in 2 quarters since.
  • 275 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.