Group One Trading
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Group One Trading’s American Superconductor AMSC Stock Holding History

Group One Trading’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 		$1.78M Sell
52,700
-57,200
-52% -$1.81M ﹤0.01% 2185
2025
Q4 		$3.16M Buy
109,900
+59,000
+116% +$2.55M 0.01% 1870
2025
Q3 		$3.02M Sell
50,900
-34,000
-40% -$1.7M 0.01% 1930
2025
Q2 		$3.11M Sell
84,900
-37,800
-31% -$929K 0.01% 1720
2025
Q1 		$2.23M Sell
122,700
-80,400
-40% -$2M 0.01% 1729
2024
Q4 		$5M Buy
203,100
+49,300
+32% +$1.36M 0.01% 1169
2024
Q3 		$3.63M Buy
153,800
+11,700
+8% +$270K 0.01% 1248
2024
Q2 		$3.32M Sell
142,100
-18,300
-11% -$302K 0.01% 1055
2024
Q1 		$2.17M Sell
160,400
-193,200
-55% -$2.4M 0.01% 1423
2023
Q4 		$3.94M Sell
353,600
-51,000
-13% -$431K 0.01% 1324
2023
Q3 		$3.05M Buy
404,600
+69,000
+21% +$573K 0.01% 1293
2023
Q2 		$2.1M Buy
335,600
+110,300
+49% +$538K 0.01% 1670
2023
Q1 		$1.11M Buy
225,300
+27,000
+14% +$136K ﹤0.01% 2049
2022
Q4 		$730K Buy
198,300
+198,100
+99,050% +$775K ﹤0.01% 2699
2022
Q3 		$1K Sell
200
-500
-71% -$2.59K ﹤0.01% 7260
2022
Q2 		$4K Sell
700
-700
-50% -$4.05K ﹤0.01% 7170
2022
Q1 		$11K Sell
1,400
-25,800
-95% -$221K ﹤0.01% 7104
2021
Q4 		$296K Sell
27,200
-9,900
-27% -$143K ﹤0.01% 4671
2021
Q3 		$541K Sell
37,100
-53,400
-59% -$740K ﹤0.01% 4111
2021
Q2 		$1.57M Buy
90,500
+70,500
+353% +$1.13M ﹤0.01% 2896
2021
Q1 		$379K Buy
20,000
+13,000
+186% +$322K ﹤0.01% 4356
2020
Q4 		$164K Sell
7,000
-12,400
-64% -$220K ﹤0.01% 4211
2020
Q3 		$281K Buy
19,400
+5,100
+36% +$57K ﹤0.01% 3366
2020
Q2 		$116K Buy
+14,300
New +$93.5K ﹤0.01% 3781
2020
Q1 		– Sell
-100
Closed -$1K – 5193
2019
Q4 		$1K Sell
100
-3,200
-97% -$25.8K ﹤0.01% 4956
2019
Q3 		$26K Buy
3,300
+2,200
+200% +$18.7K ﹤0.01% 4257
2019
Q2 		$10K Buy
1,100
+600
+120% +$6.38K ﹤0.01% 4411
2019
Q1 		$6K Hold
500
– – ﹤0.01% 4390
2018
Q4 		$6K Buy
+500
New +$4.27K ﹤0.01% 4420
2017
Q4 		– Sell
-7,500
Closed -$34K – 4802
2017
Q3 		$34K Buy
+7,500
New +$29.1K ﹤0.01% 3817
2017
Q2 		– Sell
-46,300
Closed -$318K – 4710
2017
Q1 		$318K Buy
46,300
+44,200
+2,105% +$297K ﹤0.01% 2188
2016
Q4 		$15K Buy
+2,100
New +$15.7K ﹤0.01% 3806
2013
Q3 		– Sell
-2,150
Closed -$57K – 5155
2013
Q2 		$57K Buy
+2,150
New +$54.1K ﹤0.01% 3315

Other funds holding AMSC

BlackRock
BlackRock New York $5.72T 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

Group One Trading's AMSC Position: Q1 2026 in Review

Group One Trading increased its American Superconductor (AMSC) stake by 304% in Q1 2026, buying an estimated $292K and bringing the position to 12,278 shares worth $416K. The position accounts for ﹤0.01% of the portfolio, ranked #3512.

Group One Trading first reported a position in AMSC in Q2 2013 and has held it in 39 quarters since. The position peaked at $2.79M in Q3 2025. 244 funds tracked by Wall St. Rank hold AMSC as of Q1 2026.

  • Group One Trading held 12,278 shares of American Superconductor worth $416K as of Q1 2026.
  • Group One Trading bought 9,237 American Superconductor shares in Q1 2026, an estimated $292K.
  • American Superconductor made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #3512 holding.
  • Group One Trading first reported a position in American Superconductor in Q2 2013 and has held it in 39 quarters since.
  • Group One Trading's American Superconductor position peaked at $2.79M in Q3 2025.
  • 244 funds tracked by Wall St. Rank held American Superconductor as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.