Optiver Holding
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Optiver Holding’s American Superconductor AMSC Stock Holding History

Optiver Holding’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 		$114K Buy
2,753
+871
+46% +$39.4K ﹤0.01% 997
2026
Q1 		$63.7K Buy
+1,882
New +$59.4K ﹤0.01% 931

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

Optiver Holding's AMSC Position: Q2 2026 in Review

Optiver Holding increased its American Superconductor (AMSC) stake by 46% in Q2 2026, buying an estimated $39.4K and bringing the position to 2,753 shares worth $114K. The position accounts for ﹤0.01% of the portfolio, ranked #997.

Optiver Holding first reported a position in AMSC in Q1 2026 and has held it in 2 quarters since. 279 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

  • Optiver Holding held 2,753 shares of American Superconductor worth $114K as of Q2 2026.
  • Optiver Holding bought 871 American Superconductor shares in Q2 2026, an estimated $39.4K.
  • American Superconductor made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #997 holding.
  • Optiver Holding first reported a position in American Superconductor in Q1 2026 and has held it in 2 quarters since.
  • 279 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.