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Once Capital Management’s American Superconductor AMSC Stock Holding History

Once Capital 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
2025
Q4 		– Sell
-1,600
Closed -$95K – 24
2025
Q3 		$95K Buy
+1,600
New +$80K 0.02% 23

Other funds holding AMSC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
AM
Atreides Management Boston, Massachusetts $14.3B AUM 116.01% 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
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
EA
Emerald Advisers Leola, Pennsylvania $4.25B AUM 141.71% 1-Year Est. Return

Once Capital Management's AMSC Position: Q4 2025 in Review

Once Capital Management sold out of American Superconductor (AMSC) in Q4 2025, closing a stake of 1,600 shares — an estimated $95K sold.

Once Capital Management first reported a position in AMSC in Q3 2025 and held it in 1 quarter. The position peaked at $95K in Q3 2025. 240 funds tracked by Wall St. Rank hold AMSC as of Q4 2025.

  • Once Capital Management reported no remaining American Superconductor position as of Q4 2025 after selling out during the quarter.
  • Once Capital Management sold 1,600 American Superconductor shares in Q4 2025, an estimated $95K.
  • Once Capital Management first reported a position in American Superconductor in Q3 2025 and held it in 1 quarter.
  • Once Capital Management's American Superconductor position peaked at $95K in Q3 2025.
  • 240 funds tracked by Wall St. Rank held American Superconductor as of Q4 2025.

Based on Once Capital Management's 13F filing for Q4 2025, filed 10 Feb 2026.