Oppenheimer & Co’s American Superconductor AMSC Stock Holding History

Oppenheimer & Co’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	$1.25M	Buy	30,060 +4,776	+19%	+$216K	0.01%	841
2026 Q1	$856K	Buy	+25,284	New	+$798K	0.01%	940
2025 Q4	–	Sell	-20,100	Closed	-$1.19M	–	1556
2025 Q3	$1.19M	Sell	20,100 -23,495	-54%	-$1.17M	0.01%	811
2025 Q2	$1.6M	Buy	43,595 +33,595	+336%	+$826K	0.02%	651
2025 Q1	$181K	Sell	10,000 -2,500	-20%	-$62.3K	﹤0.01%	1472
2024 Q4	$308K	Sell	12,500 -300	-2%	-$8.27K	﹤0.01%	1256
2024 Q3	$302K	Hold	12,800	–	–	﹤0.01%	1226
2024 Q2	$299K	Buy	12,800 +600	+5%	+$9.91K	﹤0.01%	1193
2024 Q1	$165K	Sell	12,200 -8,000	-40%	-$99.2K	﹤0.01%	1369
2023 Q4	$225K	Buy	+20,200	New	+$171K	﹤0.01%	1246

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

Oppenheimer & Co's AMSC Position: Q2 2026 in Review

Oppenheimer & Co increased its American Superconductor (AMSC) stake by 19% in Q2 2026, buying an estimated $216K and bringing the position to 30,060 shares worth $1.25M. The position accounts for 0.01% of the portfolio, ranked #841.

Oppenheimer & Co first reported a position in AMSC in Q4 2023 and has held it in 10 quarters since. The position peaked at $1.6M in Q2 2025. 279 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

Oppenheimer & Co held 30,060 shares of American Superconductor worth $1.25M as of Q2 2026.
Oppenheimer & Co bought 4,776 American Superconductor shares in Q2 2026, an estimated $216K.
American Superconductor made up 0.01% of Oppenheimer & Co's portfolio in Q2 2026, its #841 holding.
Oppenheimer & Co first reported a position in American Superconductor in Q4 2023 and has held it in 10 quarters since.
Oppenheimer & Co's American Superconductor position peaked at $1.6M in Q2 2025.
279 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Oppenheimer & Co's 13F filing for Q2 2026, filed 3 Aug 2026.