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Atreides Management’s American Superconductor AMSC Stock Holding History

Atreides 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
Q1 		– Sell
-1,044,193
Closed -$30.1M – 55
2025
Q4 		$30.1M Buy
1,044,193
+272,698
+35% +$11.8M 0.37% 46
2025
Q3 		$45.8M Sell
771,495
-332,963
-30% -$16.6M 0.89% 34
2025
Q2 		$40.5M Buy
1,104,458
+280,418
+34% +$6.89M 1.12% 31
2025
Q1 		$14.9M Buy
+824,040
New +$20.5M 0.45% 37

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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 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

Atreides Management's AMSC Position: Q1 2026 in Review

Atreides Management sold out of American Superconductor (AMSC) in Q1 2026, closing a stake of 1,044,193 shares — an estimated $30.1M sold.

Atreides Management first reported a position in AMSC in Q1 2025 and held it in 4 quarters. The position peaked at $45.8M in Q3 2025. 245 funds tracked by Wall St. Rank hold AMSC as of Q1 2026.

  • Atreides Management reported no remaining American Superconductor position as of Q1 2026 after selling out during the quarter.
  • Atreides Management sold 1,044,193 American Superconductor shares in Q1 2026, an estimated $30.1M.
  • Atreides Management first reported a position in American Superconductor in Q1 2025 and held it in 4 quarters.
  • Atreides Management's American Superconductor position peaked at $45.8M in Q3 2025.
  • 245 funds tracked by Wall St. Rank held American Superconductor as of Q1 2026.

Based on Atreides Management's 13F filing for Q1 2026, filed 18 May 2026.