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 		$348K Buy
8,373
+3,308
+65% +$150K ﹤0.01% 2870
2026
Q1 		$171K Buy
+5,065
New +$160K ﹤0.01% 3211
2022
Q2 		– Sell
-1,686
Closed -$13K – 5077
2022
Q1 		$13K Buy
+1,686
New +$14.4K ﹤0.01% 4870
2021
Q2 		– Sell
-13,586
Closed -$258K – 5104
2021
Q1 		$258K Buy
+13,586
New +$336K ﹤0.01% 3393
2020
Q4 		– Sell
-20,783
Closed -$369K – 4560
2020
Q3 		$301K Buy
+20,783
New +$232K ﹤0.01% 2665
2019
Q3 		– Sell
-9,739
Closed -$90K – 3984
2019
Q2 		$90K Buy
+9,739
New +$104K ﹤0.01% 3346
2017
Q1 		– Sell
-12
Closed – – 4636
2016
Q4 		$0 Buy
+12
New +$90 ﹤0.01% 4675
2016
Q3 		– Sell
-3,824
Closed -$29.7K – 4792
2016
Q2 		$32K Buy
3,824
+1,481
+63% +$13.8K ﹤0.01% 4274
2016
Q1 		$18K Sell
2,343
-16,772
-88% -$112K ﹤0.01% 4485
2015
Q4 		$122K Buy
+19,115
New +$93.3K ﹤0.01% 3127
2014
Q4 		– Hold
0
– – – 4207
2014
Q3 		– Sell
-17
Closed -$291 – 4057
2014
Q2 		$0 Hold
17
– – ﹤0.01% 3673
2014
Q1 		$0 Hold
17
– – ﹤0.01% 3489
2013
Q4 		$0 Buy
+17
New +$317 ﹤0.01% 3609

Other funds holding AMSC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
EA
Emerald Advisers Leola, Pennsylvania $4.25B AUM 141.71% 1-Year Est. Return
EMFAT
Emerald Mutual Fund Advisers Trust Leola, Pennsylvania $2.85B AUM 140.52% 1-Year Est. Return
SIMG
Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return
PAM
Panagora Asset Management Boston, Massachusetts $32.6B AUM 52.29% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return
PIP
Palisades Investment Partners Santa Monica, California $352M AUM 76.79% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 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. 113 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.
  • 113 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.