Emerald Advisers’s American Superconductor AMSC Stock Holding History

Emerald Advisers’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	$35M	Buy	843,956 +86,552	+11%	+$3.91M	0.82%	52
2026 Q1	$25.6M	Sell	757,404 -164	-0%	-$5.18K	0.81%	54
2025 Q4	$21.8M	Buy	757,568 +236,385	+45%	+$10.2M	0.67%	66
2025 Q3	$31M	Buy	521,183 +21,129	+4%	+$1.06M	0.99%	32
2025 Q2	$18.3M	Buy	500,054 +461,335	+1,191%	+$11.3M	0.67%	57
2025 Q1	$702K	Buy	38,719 +10,600	+38%	+$264K	0.03%	148
2024 Q4	$693K	Buy	+28,119	New	+$776K	0.03%	153
2021 Q2	–	Sell	-15,084	Closed	-$286K	–	289
2021 Q1	$286K	Sell	15,084 -10,864	-42%	-$269K	0.01%	222
2020 Q4	$608K	Buy	+25,948	New	+$460K	0.02%	183

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

Emerald Advisers's AMSC Position: Q2 2026 in Review

Emerald Advisers increased its American Superconductor (AMSC) stake by 11% in Q2 2026, buying an estimated $3.91M and bringing the position to 843,956 shares worth $35M. The position accounts for 0.82% of the portfolio, ranked #52.

Emerald Advisers first reported a position in AMSC in Q4 2020 and has held it in 9 quarters since. 279 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

Emerald Advisers held 843,956 shares of American Superconductor worth $35M as of Q2 2026.
Emerald Advisers bought 86,552 American Superconductor shares in Q2 2026, an estimated $3.91M.
American Superconductor made up 0.82% of Emerald Advisers's portfolio in Q2 2026, its #52 holding.
Emerald Advisers first reported a position in American Superconductor in Q4 2020 and has held it in 9 quarters since.
279 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Emerald Advisers's 13F filing for Q2 2026, filed 5 Aug 2026.