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
Q2 		$565K Buy
13,622
+1,344
+11% +$60.8K ﹤0.01% 3374
2026
Q1 		$416K Buy
12,278
+9,237
+304% +$292K ﹤0.01% 3512
2025
Q4 		$87.5K Sell
3,041
-43,862
-94% -$1.9M ﹤0.01% 5111
2025
Q3 		$2.79M Buy
46,903
+39,604
+543% +$1.98M ﹤0.01% 1984
2025
Q2 		$268K Buy
+7,299
New +$179K ﹤0.01% 4039
2023
Q4 		– Sell
-18,130
Closed -$153K – 7325
2023
Q3 		$137K Sell
18,130
-59,872
-77% -$497K ﹤0.01% 4145
2023
Q2 		$488K Buy
78,002
+22,579
+41% +$110K ﹤0.01% 3051
2023
Q1 		$272K Buy
55,423
+7,167
+15% +$36K ﹤0.01% 3383
2022
Q4 		$178K Buy
+48,256
New +$189K ﹤0.01% 3956
2022
Q3 		– Sell
-13,313
Closed -$68.9K – 7496
2022
Q2 		$69K Sell
13,313
-69,501
-84% -$403K ﹤0.01% 5293
2022
Q1 		$630K Buy
82,814
+60,341
+269% +$517K ﹤0.01% 3563
2021
Q4 		$245K Buy
22,473
+13,427
+148% +$194K ﹤0.01% 4888
2021
Q3 		$132K Sell
9,046
-8,950
-50% -$124K ﹤0.01% 5618
2021
Q2 		$313K Buy
+17,996
New +$288K ﹤0.01% 4747
2021
Q1 		– Sell
-31,504
Closed -$780K – 7533
2020
Q4 		$738K Sell
31,504
-9,218
-23% -$163K ﹤0.01% 2920
2020
Q3 		$590K Buy
+40,722
New +$455K ﹤0.01% 2698
2020
Q2 		– Sell
-300
Closed -$1.96K – 5749
2020
Q1 		$2K Buy
300
+210
+233% +$1.44K ﹤0.01% 4952
2019
Q4 		$1K Buy
+90
New +$725 ﹤0.01% 4957
2019
Q3 		– Sell
-4,935
Closed -$42K – 5097
2019
Q2 		$46K Sell
4,935
-13,238
-73% -$141K ﹤0.01% 3814
2019
Q1 		$234K Buy
18,173
+1,996
+12% +$27.1K ﹤0.01% 2578
2018
Q4 		$180K Sell
16,177
-3,583
-18% -$30.6K ﹤0.01% 2761
2018
Q3 		$137K Sell
19,760
-31,529
-61% -$188K ﹤0.01% 3293
2018
Q2 		$359K Buy
51,289
+3,656
+8% +$23.9K ﹤0.01% 2580
2018
Q1 		$277K Buy
47,633
+35,855
+304% +$184K ﹤0.01% 2535
2017
Q4 		$43K Buy
11,778
+1,790
+18% +$6.83K ﹤0.01% 3806
2017
Q3 		$45K Buy
9,988
+9,277
+1,305% +$36K ﹤0.01% 3687
2017
Q2 		$3K Buy
+711
New +$3.61K ﹤0.01% 4505
2017
Q1 		– Sell
-1,500
Closed -$10.1K – 4589
2016
Q4 		$11K Buy
1,500
+410
+38% +$3.07K ﹤0.01% 3906
2016
Q3 		$8K Buy
+1,090
New +$8.45K ﹤0.01% 4102
2016
Q1 		– Sell
-10,522
Closed -$67K – 4527
2015
Q4 		$67K Sell
10,522
-17,763
-63% -$86.7K ﹤0.01% 3241
2015
Q3 		$122K Buy
28,285
+13,633
+93% +$64.1K ﹤0.01% 2900
2015
Q2 		$77K Buy
14,652
+12,904
+738% +$85.2K ﹤0.01% 3256
2015
Q1 		$11K Sell
1,748
-118
-6% -$884 ﹤0.01% 4106
2014
Q4 		$14K Sell
1,866
-6,489
-78% -$68.5K ﹤0.01% 4100
2014
Q3 		$118K Buy
8,355
+41
+0.5% +$701 ﹤0.01% 2839
2014
Q2 		$136K Buy
8,314
+3,555
+75% +$50.8K ﹤0.01% 2719
2014
Q1 		$77K Buy
4,759
+2,333
+96% +$41.6K ﹤0.01% 3285
2013
Q4 		$40K Buy
2,426
+225
+10% +$4.19K ﹤0.01% 3788
2013
Q3 		$52K Sell
2,201
-490
-18% -$12.4K ﹤0.01% 3508
2013
Q2 		$71K Buy
+2,691
New +$67.8K ﹤0.01% 3118

Other funds holding AMSC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
OAM
Oberweis Asset Management Lisle, Illinois $4.84B AUM 160.95% 1-Year Est. Return

Group One Trading's AMSC Position: Q2 2026 in Review

Group One Trading increased its American Superconductor (AMSC) stake by 11% in Q2 2026, buying an estimated $60.8K and bringing the position to 13,622 shares worth $565K. The position accounts for ﹤0.01% of the portfolio, ranked #3374.

Group One Trading first reported a position in AMSC in Q2 2013 and has held it in 40 quarters since. The position peaked at $2.79M in Q3 2025. 279 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

  • Group One Trading held 13,622 shares of American Superconductor worth $565K as of Q2 2026.
  • Group One Trading bought 1,344 American Superconductor shares in Q2 2026, an estimated $60.8K.
  • American Superconductor made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #3374 holding.
  • Group One Trading first reported a position in American Superconductor in Q2 2013 and has held it in 40 quarters since.
  • Group One Trading's American Superconductor position peaked at $2.79M in Q3 2025.
  • 279 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.