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
Q2 		$295K Sell
7,100
-900
-11% -$40.7K ﹤0.01% 2943
2026
Q1 		$271K Buy
8,000
+1,500
+23% +$47.3K ﹤0.01% 2936
2025
Q4 		$187K Sell
6,500
-4,800
-42% -$208K ﹤0.01% 3424
2025
Q3 		$671K Sell
11,300
-11,400
-50% -$570K ﹤0.01% 2537
2025
Q2 		$833K Buy
22,700
+21,800
+2,422% +$536K ﹤0.01% 2321
2025
Q1 		$16.3K Sell
900
-700
-44% -$17.5K ﹤0.01% 3816
2024
Q4 		$39.4K Sell
1,600
-7,000
-81% -$193K ﹤0.01% 3842
2024
Q3 		$203K Buy
8,600
+6,700
+353% +$154K ﹤0.01% 3048
2024
Q2 		$44.4K Buy
+1,900
New +$31.4K ﹤0.01% 3630
2024
Q1 		– Sell
-400
Closed -$4.46K – 4708
2023
Q4 		$4.46K Buy
+400
New +$3.38K ﹤0.01% 4730
2022
Q2 		– Sell
-6,900
Closed -$53K – 5078
2022
Q1 		$53K Buy
+6,900
New +$59.1K ﹤0.01% 4490
2021
Q2 		– Sell
-16,400
Closed -$311K – 5105
2021
Q1 		$311K Buy
16,400
+16,300
+16,300% +$403K ﹤0.01% 3180
2020
Q4 		$2K Buy
+100
New +$1.77K ﹤0.01% 4517
2019
Q3 		– Sell
-100
Closed -$1K – 3985
2019
Q2 		$1K Buy
+100
New +$1.06K ﹤0.01% 3948
2016
Q4 		– Sell
-200
Closed -$2K – 4676
2016
Q3 		$2K Sell
200
-1,000
-83% -$7.75K ﹤0.01% 4657
2016
Q2 		$10K Buy
+1,200
New +$11.2K ﹤0.01% 4806
2015
Q3 		– Sell
-600
Closed -$3K – 4924
2015
Q2 		$3K Buy
+600
New +$3.96K ﹤0.01% 4599
2013
Q3 		– Sell
-500
Closed -$13K – 2899
2013
Q2 		$13K Buy
+500
New +$12.6K ﹤0.01% 2618

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 $3.38T AUM 44.17% 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

Walleye Trading's AMSC Position: Q2 2026 in Review

Walleye Trading increased its American Superconductor (AMSC) stake by 65% in Q2 2026, buying an estimated $150K and bringing the position to 8,373 shares worth $348K. The position accounts for ﹤0.01% of the portfolio, ranked #2870.

Walleye Trading first reported a position in AMSC in Q4 2013 and has held it in 13 quarters since. 278 funds tracked by Wall St. Rank hold AMSC as of Q2 2026.

  • Walleye Trading held 8,373 shares of American Superconductor worth $348K as of Q2 2026.
  • Walleye Trading bought 3,308 American Superconductor shares in Q2 2026, an estimated $150K.
  • American Superconductor made up ﹤0.01% of Walleye Trading's portfolio in Q2 2026, its #2870 holding.
  • Walleye Trading first reported a position in American Superconductor in Q4 2013 and has held it in 13 quarters since.
  • 278 funds tracked by Wall St. Rank held American Superconductor as of Q2 2026.

Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.