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 		$714K Sell
21,100
-3,200
-13% -$101K ﹤0.01% 3013
2025
Q4 		$699K Buy
24,300
+17,600
+263% +$761K ﹤0.01% 3206
2025
Q3 		$398K Sell
6,700
-6,400
-49% -$320K ﹤0.01% 3920
2025
Q2 		$481K Buy
13,100
+2,800
+27% +$68.8K ﹤0.01% 3464
2025
Q1 		$187K Sell
10,300
-54,600
-84% -$1.36M ﹤0.01% 4077
2024
Q4 		$1.6M Buy
64,900
+54,600
+530% +$1.51M ﹤0.01% 2114
2024
Q3 		$243K Sell
10,300
-5,700
-36% -$131K ﹤0.01% 3439
2024
Q2 		$374K Sell
16,000
-12,400
-44% -$205K ﹤0.01% 2831
2024
Q1 		$384K Buy
28,400
+10,800
+61% +$134K ﹤0.01% 2990
2023
Q4 		$196K Sell
17,600
-49,800
-74% -$421K ﹤0.01% 3878
2023
Q3 		$509K Buy
67,400
+67,300
+67,300% +$559K ﹤0.01% 2889
2023
Q2 		$626 Buy
+100
New +$487 ﹤0.01% 7342
2023
Q1 		– Sell
-500
Closed -$1.84K – 7149
2022
Q4 		$1.84K Buy
+500
New +$1.96K ﹤0.01% 6678
2022
Q3 		– Sell
-52,900
Closed -$274K – 7497
2022
Q2 		$274K Sell
52,900
-155,900
-75% -$903K ﹤0.01% 3988
2022
Q1 		$1.59M Buy
208,800
+193,400
+1,256% +$1.66M ﹤0.01% 2627
2021
Q4 		$168K Sell
15,400
-3,600
-19% -$51.9K ﹤0.01% 5249
2021
Q3 		$277K Buy
19,000
+5,200
+38% +$72.1K ﹤0.01% 4826
2021
Q2 		$240K Buy
13,800
+11,400
+475% +$182K ﹤0.01% 5024
2021
Q1 		$46K Sell
2,400
-1,700
-41% -$42.1K ﹤0.01% 6278
2020
Q4 		$96K Sell
4,100
-44,000
-91% -$780K ﹤0.01% 4588
2020
Q3 		$696K Buy
48,100
+46,600
+3,107% +$521K ﹤0.01% 2546
2020
Q2 		$12K Buy
1,500
+500
+50% +$3.27K ﹤0.01% 5039
2020
Q1 		$5K Hold
1,000
– – ﹤0.01% 4762
2019
Q4 		$8K Buy
+1,000
New +$8.05K ﹤0.01% 4645
2019
Q3 		– Sell
-4,200
Closed -$39K – 5098
2019
Q2 		$39K Sell
4,200
-7,100
-63% -$75.6K ﹤0.01% 3894
2019
Q1 		$145K Sell
11,300
-1,400
-11% -$19K ﹤0.01% 2922
2018
Q4 		$142K Sell
12,700
-2,000
-14% -$17.1K ﹤0.01% 2936
2018
Q3 		$102K Buy
14,700
+10,200
+227% +$60.9K ﹤0.01% 3519
2018
Q2 		$32K Sell
4,500
-51,500
-92% -$337K ﹤0.01% 4178
2018
Q1 		$326K Sell
56,000
-34,500
-38% -$177K ﹤0.01% 2380
2017
Q4 		$329K Buy
90,500
+88,100
+3,671% +$336K ﹤0.01% 2579
2017
Q3 		$11K Buy
2,400
+1,900
+380% +$7.37K ﹤0.01% 4256
2017
Q2 		$2K Sell
500
-1,600
-76% -$8.13K ﹤0.01% 4552
2017
Q1 		$14K Hold
2,100
– – ﹤0.01% 4006
2016
Q4 		$15K Buy
+2,100
New +$15.7K ﹤0.01% 3807
2013
Q3 		– Sell
-2,270
Closed -$60K – 5156
2013
Q2 		$60K Buy
+2,270
New +$57.2K ﹤0.01% 3261

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.