Citadel Advisors
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Citadel Advisors’s American Superconductor AMSC Stock Holding History

Citadel Advisors’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 		$2.87M Sell
84,900
-197,500
-70% -$6.23M ﹤0.01% 5354
2025
Q4 		$8.13M Buy
282,400
+64,800
+30% +$2.8M ﹤0.01% 3531
2025
Q3 		$12.9M Buy
217,600
+23,400
+12% +$1.17M ﹤0.01% 2893
2025
Q2 		$7.13M Sell
194,200
-186,700
-49% -$4.59M ﹤0.01% 3522
2025
Q1 		$6.91M Sell
380,900
-18,700
-5% -$466K ﹤0.01% 3382
2024
Q4 		$9.84M Buy
399,600
+161,000
+67% +$4.44M ﹤0.01% 3007
2024
Q3 		$5.63M Buy
238,600
+40,000
+20% +$922K ﹤0.01% 3753
2024
Q2 		$4.65M Buy
198,600
+33,800
+21% +$558K ﹤0.01% 3864
2024
Q1 		$2.23M Buy
164,800
+60,000
+57% +$744K ﹤0.01% 5323
2023
Q4 		$1.17M Sell
104,800
-52,300
-33% -$442K ﹤0.01% 6375
2023
Q3 		$1.19M Buy
157,100
+145,100
+1,209% +$1.2M ﹤0.01% 6221
2023
Q2 		$75.1K Sell
12,000
-7,700
-39% -$37.5K ﹤0.01% 11311
2023
Q1 		$96.7K Buy
19,700
+14,300
+265% +$71.8K ﹤0.01% 11316
2022
Q4 		$19.9K Buy
+5,400
New +$21.1K ﹤0.01% 13149
2022
Q3 		– Sell
-10,000
Closed -$52K – 12531
2022
Q2 		$52K Buy
+10,000
New +$57.9K ﹤0.01% 11907
2022
Q1 		– Sell
-32,600
Closed -$355K – 13495
2021
Q4 		$355K Sell
32,600
-13,000
-29% -$187K ﹤0.01% 10530
2021
Q3 		$665K Sell
45,600
-16,700
-27% -$231K ﹤0.01% 9186
2021
Q2 		$1.08M Sell
62,300
-12,400
-17% -$198K ﹤0.01% 8168
2021
Q1 		$1.42M Buy
74,700
+17,200
+30% +$426K ﹤0.01% 7237
2020
Q4 		$1.35M Buy
57,500
+20,900
+57% +$371K ﹤0.01% 6158
2020
Q3 		$530K Sell
36,600
-4,200
-10% -$47K ﹤0.01% 7191
2020
Q2 		$332K Buy
40,800
+4,400
+12% +$28.8K ﹤0.01% 7752
2020
Q1 		$199K Buy
36,400
+3,700
+11% +$25.4K ﹤0.01% 8018
2019
Q4 		$257K Sell
32,700
-3,900
-11% -$31.4K ﹤0.01% 7821
2019
Q3 		$287K Buy
36,600
+2,300
+7% +$19.6K ﹤0.01% 7612
2019
Q2 		$318K Sell
34,300
-5,300
-13% -$56.4K ﹤0.01% 7492
2019
Q1 		$509K Buy
39,600
+25,600
+183% +$348K ﹤0.01% 6758
2018
Q4 		$156K Sell
14,000
-10,900
-44% -$93.2K ﹤0.01% 8031
2018
Q3 		$173K Sell
24,900
-9,100
-27% -$54.3K ﹤0.01% 8319
2018
Q2 		$238K Buy
34,000
+14,800
+77% +$96.7K ﹤0.01% 7603
2018
Q1 		$112K Sell
19,200
-12,400
-39% -$63.6K ﹤0.01% 7672
2017
Q4 		$115K Buy
31,600
+14,500
+85% +$55.3K ﹤0.01% 7381
2017
Q3 		$78K Buy
17,100
+1,200
+8% +$4.66K ﹤0.01% 7097
2017
Q2 		$73K Buy
+15,900
New +$80.8K ﹤0.01% 7000
2016
Q1 		– Sell
-6,900
Closed -$44K – 6685
2015
Q4 		$44K Sell
6,900
-2,000
-22% -$9.76K ﹤0.01% 7413
2015
Q3 		$39K Buy
8,900
+1,300
+17% +$6.11K ﹤0.01% 7743
2015
Q2 		$40K Buy
+7,600
New +$50.2K ﹤0.01% 7808
2015
Q1 		– Sell
-1,790
Closed -$13K – 8489
2014
Q4 		$13K Sell
1,790
-1,810
-50% -$19.1K ﹤0.01% 8028
2014
Q3 		$51K Buy
3,600
+3,290
+1,061% +$56.2K ﹤0.01% 6888
2014
Q2 		$5K Sell
310
-2,740
-90% -$39.2K ﹤0.01% 7717
2014
Q1 		$49K Buy
3,050
+450
+17% +$8.03K ﹤0.01% 6789
2013
Q4 		$43K Buy
2,600
+280
+12% +$5.21K ﹤0.01% 6125
2013
Q3 		$54K Sell
2,320
-780
-25% -$19.7K ﹤0.01% 5750
2013
Q2 		$82K Buy
+3,100
New +$78.1K ﹤0.01% 5361

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

Citadel Advisors's AMSC Position: Q1 2026 in Review

Citadel Advisors reduced its American Superconductor (AMSC) stake by 36% in Q1 2026, selling an estimated $3.82M and leaving 216,713 shares worth $7.34M. The position accounts for ﹤0.01% of the portfolio, ranked #3726.

Citadel Advisors first reported a position in AMSC in Q2 2013 and has held it in 43 quarters since. The position peaked at $25.3M in Q2 2025. 244 funds tracked by Wall St. Rank hold AMSC as of Q1 2026.

  • Citadel Advisors held 216,713 shares of American Superconductor worth $7.34M as of Q1 2026.
  • Citadel Advisors sold 121,000 American Superconductor shares in Q1 2026, an estimated $3.82M.
  • American Superconductor made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3726 holding.
  • Citadel Advisors first reported a position in American Superconductor in Q2 2013 and has held it in 43 quarters since.
  • Citadel Advisors's American Superconductor position peaked at $25.3M in Q2 2025.
  • 244 funds tracked by Wall St. Rank held American Superconductor as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.