D.E. Shaw & Co
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D.E. Shaw & Co’s American Superconductor AMSC Stock Holding History

D.E. Shaw & Co’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 		$19.2M Buy
567,574
+124,426
+28% +$3.93M 0.01% 1172
2025
Q4 		$12.8M Sell
443,148
-309,555
-41% -$13.4M 0.01% 1542
2025
Q3 		$44.7M Buy
752,703
+619,059
+463% +$30.9M 0.03% 715
2025
Q2 		$4.9M Buy
133,644
+58,653
+78% +$1.44M ﹤0.01% 2050
2025
Q1 		$1.36M Sell
74,991
-177,218
-70% -$4.42M ﹤0.01% 2876
2024
Q4 		$6.21M Sell
252,209
-1,204
-0.5% -$33.2K ﹤0.01% 1815
2024
Q3 		$5.98M Sell
253,413
-396,844
-61% -$9.15M 0.01% 1801
2024
Q2 		$15.2M Buy
650,257
+362,062
+126% +$5.98M 0.01% 1063
2024
Q1 		$3.89M Sell
288,195
-147,549
-34% -$1.83M ﹤0.01% 2083
2023
Q4 		$4.85M Buy
435,744
+61,616
+16% +$521K ﹤0.01% 1931
2023
Q3 		$2.82M Buy
374,128
+33,059
+10% +$274K ﹤0.01% 2297
2023
Q2 		$2.14M Buy
341,069
+2,999
+0.9% +$14.6K ﹤0.01% 2579
2023
Q1 		$1.66M Sell
338,070
-126,409
-27% -$635K ﹤0.01% 2824
2022
Q4 		$1.71M Sell
464,479
-129,140
-22% -$505K ﹤0.01% 3057
2022
Q3 		$2.6M Sell
593,619
-57,239
-9% -$296K ﹤0.01% 2755
2022
Q2 		$3.37M Buy
650,858
+50,926
+8% +$295K ﹤0.01% 2599
2022
Q1 		$4.57M Buy
599,932
+7,542
+1% +$64.6K ﹤0.01% 2420
2021
Q4 		$6.45M Buy
592,390
+84,139
+17% +$1.21M 0.01% 2112
2021
Q3 		$7.41M Buy
508,251
+96,874
+24% +$1.34M 0.01% 1760
2021
Q2 		$7.15M Buy
411,377
+230,943
+128% +$3.69M 0.01% 1755
2021
Q1 		$3.42M Buy
180,434
+18,234
+11% +$451K ﹤0.01% 2139
2020
Q4 		$3.8M Buy
162,200
+107,865
+199% +$1.91M ﹤0.01% 2083
2020
Q3 		$787K Sell
54,335
-25,100
-32% -$281K ﹤0.01% 2992
2020
Q2 		$646K Sell
79,435
-26,592
-25% -$174K ﹤0.01% 3193
2020
Q1 		$581K Sell
106,027
-277,308
-72% -$1.9M ﹤0.01% 3127
2019
Q4 		$3.01M Sell
383,335
-53,815
-12% -$433K ﹤0.01% 2147
2019
Q3 		$3.43M Sell
437,150
-127,654
-23% -$1.09M ﹤0.01% 1937
2019
Q2 		$5.24M Buy
564,804
+28,272
+5% +$301K 0.01% 1558
2019
Q1 		$6.9M Buy
536,532
+274,680
+105% +$3.74M 0.01% 1343
2018
Q4 		$2.92M Buy
261,852
+182,795
+231% +$1.56M ﹤0.01% 1868
2018
Q3 		$549K Buy
79,057
+62,973
+392% +$376K ﹤0.01% 3054
2018
Q2 		$113K Buy
+16,084
New +$105K ﹤0.01% 3607
2018
Q1 		– Sell
-54,074
Closed -$196K – 3467
2017
Q4 		$196K Buy
54,074
+25,110
+87% +$95.8K ﹤0.01% 3439
2017
Q3 		$131K Buy
28,964
+9,061
+46% +$35.2K ﹤0.01% 3353
2017
Q2 		$92K Buy
+19,903
New +$101K ﹤0.01% 3271
2015
Q3 		– Sell
-11,695
Closed -$61K – 3708
2015
Q2 		$61K Sell
11,695
-2,903
-20% -$19.2K ﹤0.01% 3676
2015
Q1 		$94K Sell
14,598
-15,557
-52% -$117K ﹤0.01% 3530
2014
Q4 		$223K Buy
30,155
+26,725
+779% +$282K ﹤0.01% 3764
2014
Q3 		$48K Sell
3,430
-32,014
-90% -$547K ﹤0.01% 4025
2014
Q2 		$578K Sell
35,444
-5,280
-13% -$75.5K ﹤0.01% 3408
2014
Q1 		$655K Buy
40,724
+33,183
+440% +$592K ﹤0.01% 3376
2013
Q4 		$123K Buy
+7,541
New +$140K ﹤0.01% 4345

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

D.E. Shaw & Co's AMSC Position: Q1 2026 in Review

D.E. Shaw & Co increased its American Superconductor (AMSC) stake by 28% in Q1 2026, buying an estimated $3.93M and bringing the position to 567,574 shares worth $19.2M. The position accounts for 0.01% of the portfolio, ranked #1172.

D.E. Shaw & Co first reported a position in AMSC in Q4 2013 and has held it in 42 quarters since. The position peaked at $44.7M in Q3 2025. 244 funds tracked by Wall St. Rank hold AMSC as of Q1 2026.

  • D.E. Shaw & Co held 567,574 shares of American Superconductor worth $19.2M as of Q1 2026.
  • D.E. Shaw & Co bought 124,426 American Superconductor shares in Q1 2026, an estimated $3.93M.
  • American Superconductor made up 0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #1172 holding.
  • D.E. Shaw & Co first reported a position in American Superconductor in Q4 2013 and has held it in 42 quarters since.
  • D.E. Shaw & Co's American Superconductor position peaked at $44.7M in Q3 2025.
  • 244 funds tracked by Wall St. Rank held American Superconductor as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.