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Driehaus Capital Management’s American Superconductor AMSC Stock Holding History

Driehaus Capital Management’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 		– Sell
-499,984
Closed -$14.4M – 361
2025
Q4 		$14.4M Sell
499,984
-718,960
-59% -$31.1M 0.1% 242
2025
Q3 		$72.4M Buy
1,218,944
+379,097
+45% +$19M 0.52% 59
2025
Q2 		$30.8M Buy
839,847
+4
+0% +$98 0.25% 133
2025
Q1 		$15.2M Sell
839,843
-102,855
-11% -$2.56M 0.15% 193
2024
Q4 		$23.2M Buy
942,698
+143,936
+18% +$3.97M 0.19% 161
2024
Q3 		$18.9M Sell
798,762
-123,236
-13% -$2.84M 0.16% 176
2024
Q2 		$21.6M Sell
921,998
-9,981
-1% -$165K 0.21% 142
2024
Q1 		$12.6M Buy
+931,979
New +$11.6M 0.13% 212

Other funds holding AMSC

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
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
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
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
OAM
Oberweis Asset Management Lisle, Illinois $3.39B AUM 105.5% 1-Year Est. Return
AIC
AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return