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	$5.75M	Sell	170,000 -150,600	-47%	-$4.75M	﹤0.01%	4113
2025 Q4	$9.23M	Buy	320,600 +160,000	+100%	+$6.92M	﹤0.01%	3366
2025 Q3	$9.54M	Sell	160,600 -76,400	-32%	-$3.82M	﹤0.01%	3351
2025 Q2	$8.7M	Sell	237,000 -62,800	-21%	-$1.54M	﹤0.01%	3228
2025 Q1	$5.44M	Buy	299,800 +77,600	+35%	+$1.93M	﹤0.01%	3733
2024 Q4	$5.47M	Buy	222,200 +141,700	+176%	+$3.91M	﹤0.01%	3810
2024 Q3	$1.9M	Sell	80,500 -34,800	-30%	-$802K	﹤0.01%	5638
2024 Q2	$2.7M	Buy	115,300 +61,400	+114%	+$1.01M	﹤0.01%	4764
2024 Q1	$728K	Sell	53,900 -60,000	-53%	-$744K	﹤0.01%	7588
2023 Q4	$1.27M	Sell	113,900 -18,200	-14%	-$154K	﹤0.01%	6217
2023 Q3	$997K	Buy	132,100 +59,500	+82%	+$494K	﹤0.01%	6553
2023 Q2	$454K	Buy	72,600 +40,600	+127%	+$198K	﹤0.01%	8154
2023 Q1	$157K	Buy	32,000 +21,200	+196%	+$106K	﹤0.01%	10563
2022 Q4	$39.7K	Buy	+10,800	New	+$42.3K	﹤0.01%	12427
2022 Q1	–	Sell	-15,200	Closed	-$165K	–	13494
2021 Q4	$165K	Sell	15,200 -43,900	-74%	-$633K	﹤0.01%	12135
2021 Q3	$862K	Sell	59,100 -61,800	-51%	-$857K	﹤0.01%	8515
2021 Q2	$2.1M	Buy	120,900 +1,400	+1%	+$22.4K	﹤0.01%	6496
2021 Q1	$2.27M	Buy	119,500 +91,500	+327%	+$2.26M	﹤0.01%	6099
2020 Q4	$656K	Sell	28,000 -48,400	-63%	-$858K	﹤0.01%	7631
2020 Q3	$1.11M	Buy	76,400 +60,800	+390%	+$680K	﹤0.01%	5862
2020 Q2	$127K	Buy	15,600 +4,600	+42%	+$30.1K	﹤0.01%	8855
2020 Q1	$60K	Sell	11,000 -10,900	-50%	-$74.8K	﹤0.01%	8940
2019 Q4	$172K	Sell	21,900 -12,000	-35%	-$96.7K	﹤0.01%	8287
2019 Q3	$266K	Sell	33,900 -8,600	-20%	-$73.1K	﹤0.01%	7738
2019 Q2	$394K	Sell	42,500 -5,600	-12%	-$59.6K	﹤0.01%	7169
2019 Q1	$619K	Buy	48,100 +9,400	+24%	+$128K	﹤0.01%	6413
2018 Q4	$432K	Buy	38,700 +3,400	+10%	+$29.1K	﹤0.01%	6630
2018 Q3	$245K	Buy	35,300 +3,200	+10%	+$19.1K	﹤0.01%	7905
2018 Q2	$225K	Sell	32,100 -12,200	-28%	-$79.7K	﹤0.01%	7682
2018 Q1	$258K	Buy	44,300 +29,400	+197%	+$151K	﹤0.01%	6967
2017 Q4	$54K	Sell	14,900 -18,700	-56%	-$71.4K	﹤0.01%	7606
2017 Q3	$153K	Buy	+33,600	New	+$130K	﹤0.01%	6840
2016 Q4	–	Sell	-22,000	Closed	-$154K	–	7201
2016 Q3	$154K	Sell	22,000 -700	-3%	-$5.43K	﹤0.01%	6451
2016 Q2	$192K	Sell	22,700 -11,800	-34%	-$110K	﹤0.01%	5866
2016 Q1	$262K	Buy	34,500 +14,600	+73%	+$97.8K	﹤0.01%	5276
2015 Q4	$127K	Sell	19,900 -5,700	-22%	-$27.8K	﹤0.01%	6415
2015 Q3	$111K	Buy	25,600 +1,900	+8%	+$8.93K	﹤0.01%	6853
2015 Q2	$124K	Buy	+23,700	New	+$157K	﹤0.01%	6862
2015 Q1	–	Sell	-1,360	Closed	-$10K	–	8487
2014 Q4	$10K	Sell	1,360 -20	-1%	-$211	﹤0.01%	8125
2014 Q3	$19K	Buy	1,380 +320	+30%	+$5.47K	﹤0.01%	7469
2014 Q2	$17K	Sell	1,060 -1,010	-49%	-$14.4K	﹤0.01%	7375
2014 Q1	$33K	Buy	2,070 +490	+31%	+$8.75K	﹤0.01%	7029
2013 Q4	$26K	Buy	1,580 +480	+44%	+$8.94K	﹤0.01%	6322
2013 Q3	$26K	Buy	1,100 +60	+6%	+$1.52K	﹤0.01%	6087
2013 Q2	$27K	Buy	+1,040	New	+$26.2K	﹤0.01%	5934

Other funds holding AMSC

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 Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

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.