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 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 $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Baillie Gifford & Co

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Oberweis Asset Management Lisle, Illinois $3.39B AUM 105.5% 1-Year Est. Return

AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return