Boston Partners’s American Superconductor AMSC Stock Holding History

Boston Partners’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	-66,071	Closed	-$2.24M	–	803
2026 Q1	$2.24M	Buy	+66,071	New	+$2.09M	﹤0.01%	562

Other funds holding AMSC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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

Boston Partners's AMSC Position: Q2 2026 in Review

Boston Partners sold out of American Superconductor (AMSC) in Q2 2026, closing a stake of 66,071 shares — an estimated $2.24M sold.

Boston Partners first reported a position in AMSC in Q1 2026 and held it in 1 quarter. The position peaked at $2.24M in Q1 2026. 279 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

Boston Partners reported no remaining American Superconductor position as of Q2 2026 after selling out during the quarter.
Boston Partners sold 66,071 American Superconductor shares in Q2 2026, an estimated $2.24M.
Boston Partners first reported a position in American Superconductor in Q1 2026 and held it in 1 quarter.
Boston Partners's American Superconductor position peaked at $2.24M in Q1 2026.
279 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.