Quantbot Technologies’s American Superconductor AMSC Stock Holding History

Quantbot Technologies’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	$5.77K	Buy	+139	New	+$6.29K	﹤0.01%	1864
2025 Q4	–	Sell	-26,831	Closed	-$1.59M	–	1684
2025 Q3	$1.59M	Buy	26,831 +19,329	+258%	+$966K	0.04%	619
2025 Q2	$275K	Buy	+7,502	New	+$184K	0.01%	1152
2024 Q3	–	Sell	-20,399	Closed	-$477K	–	1426
2024 Q2	$477K	Buy	+20,399	New	+$337K	0.02%	763
2023 Q3	–	Sell	-1,700	Closed	-$10.6K	–	1515
2023 Q2	$10.6K	Buy	+1,700	New	+$8.29K	﹤0.01%	1459
2022 Q3	–	Sell	-131	Closed	–	–	1557
2022 Q2	$0	Sell	131 -17,673	-99%	-$102K	﹤0.01%	1677
2022 Q1	$135K	Buy	+17,804	New	+$152K	0.01%	965
2021 Q1	–	Sell	-300	Closed	-$7K	–	1379
2020 Q4	$7K	Buy	+300	New	+$5.32K	﹤0.01%	1129

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

Quantbot Technologies's AMSC Position: Q2 2026 in Review

Quantbot Technologies opened a new position in American Superconductor (AMSC) in Q2 2026: 139 shares worth $5.77K. The stake represents ﹤0.01% of the portfolio and ranks #1864 among its holdings. This is a return to the name: Quantbot Technologies previously reported a position in AMSC as recently as Q3 2025.

Quantbot Technologies first reported a position in AMSC in Q4 2020 and has held it in 8 quarters since. The position peaked at $1.59M in Q3 2025. 279 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

Quantbot Technologies held 139 shares of American Superconductor worth $5.77K as of Q2 2026.
American Superconductor was a new Quantbot Technologies position in Q2 2026.
American Superconductor made up ﹤0.01% of Quantbot Technologies's portfolio in Q2 2026, its #1864 holding.
Quantbot Technologies first reported a position in American Superconductor in Q4 2020 and has held it in 8 quarters since.
Quantbot Technologies's American Superconductor position peaked at $1.59M in Q3 2025.
279 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Quantbot Technologies's 13F filing for Q2 2026, filed 12 Aug 2026.