State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s American Superconductor AMSC Stock Holding History

State of Wisconsin Investment Board’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
-11,227
Closed -$323K – 2498
2025
Q4 		$323K Buy
11,227
+4,823
+75% +$209K ﹤0.01% 2140
2025
Q3 		$380K Buy
+6,404
New +$320K ﹤0.01% 2010
2023
Q2 		– Sell
-20,500
Closed -$101K – 2351
2023
Q1 		$101K Sell
20,500
-29,500
-59% -$148K ﹤0.01% 2390
2022
Q4 		$184K Sell
50,000
-26,600
-35% -$104K ﹤0.01% 2264
2022
Q3 		$336K Sell
76,600
-47,200
-38% -$244K ﹤0.01% 2166
2022
Q2 		$641K Buy
123,800
+65,100
+111% +$377K ﹤0.01% 1948
2022
Q1 		$447K Buy
+58,700
New +$503K ﹤0.01% 1977
2021
Q3 		– Sell
-17,400
Closed -$303K – 2117
2021
Q2 		$303K Buy
17,400
+600
+4% +$9.6K ﹤0.01% 1930
2021
Q1 		$319K Buy
16,800
+1,900
+13% +$47K ﹤0.01% 1833
2020
Q4 		$349K Buy
+14,900
New +$264K ﹤0.01% 1651

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