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Winton Group’s American Superconductor AMSC Stock Holding History

Winton Group’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 		– Sell
-11,266
Closed -$381K – 1164
2026
Q1 		$381K Buy
11,266
+1,881
+20% +$59.4K 0.01% 794
2025
Q4 		$270K Buy
+9,385
New +$406K 0.01% 766
2020
Q1 		– Sell
-22,808
Closed -$179K – 1392
2019
Q4 		$179K Buy
+22,808
New +$184K ﹤0.01% 1450
2019
Q3 		– Sell
-18,857
Closed -$175K – 1512
2019
Q2 		$175K Buy
+18,857
New +$201K ﹤0.01% 1037

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

Winton Group's AMSC Position: Q2 2026 in Review

Winton Group sold out of American Superconductor (AMSC) in Q2 2026, closing a stake of 11,266 shares — an estimated $381K sold.

Winton Group first reported a position in AMSC in Q2 2019 and held it in 4 quarters. The position peaked at $381K in Q1 2026. 279 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

  • Winton Group reported no remaining American Superconductor position as of Q2 2026 after selling out during the quarter.
  • Winton Group sold 11,266 American Superconductor shares in Q2 2026, an estimated $381K.
  • Winton Group first reported a position in American Superconductor in Q2 2019 and held it in 4 quarters.
  • Winton Group's American Superconductor position peaked at $381K in Q1 2026.
  • 279 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.