Walleye Trading
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Walleye Trading’s American Superconductor AMSC Stock Holding History

Walleye 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 		$200K Sell
5,900
-15,300
-72% -$483K ﹤0.01% 3124
2025
Q4 		$610K Buy
21,200
+10,100
+91% +$437K ﹤0.01% 2698
2025
Q3 		$659K Sell
11,100
-44,100
-80% -$2.2M ﹤0.01% 2554
2025
Q2 		$2.03M Buy
55,200
+28,300
+105% +$696K ﹤0.01% 1716
2025
Q1 		$488K Buy
26,900
+6,500
+32% +$162K ﹤0.01% 2530
2024
Q4 		$502K Buy
20,400
+15,500
+316% +$428K ﹤0.01% 2636
2024
Q3 		$116K Sell
4,900
-11,600
-70% -$267K ﹤0.01% 3263
2024
Q2 		$386K Sell
16,500
-24,000
-59% -$396K ﹤0.01% 2692
2024
Q1 		$547K Buy
40,500
+24,200
+148% +$300K ﹤0.01% 2708
2023
Q4 		$182K Buy
+16,300
New +$138K ﹤0.01% 3843
2022
Q2 		– Sell
-11,700
Closed -$89K – 5076
2022
Q1 		$89K Buy
+11,700
New +$100K ﹤0.01% 4305
2021
Q2 		– Sell
-7,300
Closed -$138K – 5103
2021
Q1 		$138K Sell
7,300
-5,000
-41% -$124K ﹤0.01% 3914
2020
Q4 		$288K Sell
12,300
-1,900
-13% -$33.7K ﹤0.01% 3172
2020
Q3 		$206K Buy
+14,200
New +$159K ﹤0.01% 2969
2019
Q3 		– Sell
-4,700
Closed -$44K – 3983
2019
Q2 		$44K Buy
+4,700
New +$50K ﹤0.01% 3582
2016
Q3 		– Sell
-1,200
Closed -$10K – 4791
2016
Q2 		$10K Buy
1,200
+1,100
+1,100% +$10.3K ﹤0.01% 4805
2016
Q1 		$1K Sell
100
-1,400
-93% -$9.37K ﹤0.01% 5168
2015
Q4 		$9K Buy
+1,500
New +$7.32K ﹤0.01% 4763
2015
Q3 		– Sell
-600
Closed -$3K – 4923
2015
Q2 		$3K Buy
+600
New +$3.96K ﹤0.01% 4598
2013
Q4 		– Sell
-360
Closed -$9K – 3608
2013
Q3 		$9K Buy
360
+250
+227% +$6.33K ﹤0.01% 2682
2013
Q2 		$3K Buy
+110
New +$2.77K ﹤0.01% 2818

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

Walleye Trading's AMSC Position: Q1 2026 in Review

Walleye Trading opened a new position in American Superconductor (AMSC) in Q1 2026: 5,065 shares worth $171K. The stake represents ﹤0.01% of the portfolio and ranks #3211 among its holdings. This is a return to the name: Walleye Trading previously reported a position in AMSC as recently as Q1 2022.

Walleye Trading first reported a position in AMSC in Q4 2013 and has held it in 12 quarters since. The position peaked at $301K in Q3 2020. 244 funds tracked by Wall St. Rank hold AMSC as of Q1 2026.

  • Walleye Trading held 5,065 shares of American Superconductor worth $171K as of Q1 2026.
  • American Superconductor was a new Walleye Trading position in Q1 2026.
  • American Superconductor made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #3211 holding.
  • Walleye Trading first reported a position in American Superconductor in Q4 2013 and has held it in 12 quarters since.
  • Walleye Trading's American Superconductor position peaked at $301K in Q3 2020.
  • 244 funds tracked by Wall St. Rank held American Superconductor as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.