Ken Griffin American Superconductor Corp Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in American Superconductor Corp stock. As of the latest transaction made, Citadel Advisors LLC holds 14,821 shares of AMSC stock, worth $505,099. This represents 0.0% of its overall portfolio holdings.

Number of Shares

14,821

Previous 237,000 93.75%

Holding current value

$505,099

Previous $8.7 Million 89.98%

% of portfolio

0.0%

Previous 0.0%

30 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$35.98 - $64.63 $24.3 Million - $43.6 Million	-674,870 Reduced 97.85%	14,821 $871,000
Q2 2025 Aug 14, 2025	BUY	$15.8 - $37.12 $8.82 Million - $20.7 Million	558,130 Added 424.24%	689,691 $25.3 Million
Q1 2025 May 15, 2025	SELL	$17.54 - $34.82 $2.25 Million - $4.47 Million	-128,278 Reduced 49.37%	131,561 $2.39 Million
Q4 2024 Feb 14, 2025	SELL	$21.33 - $36.81 $772,529 - $1.33 Million	-36,218 Reduced 12.23%	259,839 $6.4 Million
Q3 2024 Nov 14, 2024	SELL	$18.42 - $32.42 $1.56 Million - $2.75 Million	-84,738 Reduced 22.25%	296,057 $6.98 Million

Q2 2024 Aug 14, 2024	BUY	$11.66 - $26.34 $564,320 - $1.27 Million	48,398 Added 14.56%	380,795 $8.91 Million
Q1 2024 May 15, 2024	BUY	$9.67 - $14.96 $678,514 - $1.05 Million	70,167 Added 26.76%	332,397 $4.49 Million
Q4 2023 Feb 14, 2024	BUY	$5.83 - $11.66 $827,288 - $1.65 Million	141,902 Added 117.93%	262,230 $2.92 Million
Q3 2023 Nov 14, 2023	BUY	$6.06 - $16.13 $382,882 - $1.02 Million	63,182 Added 110.56%	120,328 $908,000
Q2 2023 Aug 14, 2023	BUY	$3.7 - $7.22 $36,889 - $71,983	9,970 Added 21.13%	57,146 $357,000
Q1 2023 May 15, 2023	BUY	$3.58 - $6.57 $14,617 - $26,825	4,083 Added 9.47%	47,176 $231,000
Q4 2022 Feb 14, 2023	BUY	$3.29 - $4.86 $30,511 - $45,071	9,274 Added 27.42%	43,093 $158,000
Q3 2022 Nov 14, 2022	SELL	$4.38 - $6.23 $115,369 - $164,098	-26,340 Reduced 43.78%	33,819 $148,000
Q2 2022 Aug 15, 2022	SELL	$4.52 - $8.24 $170,598 - $311,002	-37,743 Reduced 38.55%	60,159 $312,000
Q1 2022 May 16, 2022	BUY	$7.37 - $11.02 $260,971 - $390,218	35,410 Added 56.66%	97,902 $745,000
Q4 2021 Feb 14, 2022	BUY	$10.75 - $19.29 $189,630 - $340,275	17,640 Added 39.33%	62,492 $0
Q3 2021 Nov 15, 2021	BUY	$11.44 - $17.79 $371,582 - $577,836	32,481 Added 262.56%	44,852 $654,000
Q2 2021 Aug 16, 2021	BUY	$12.76 - $19.29 $4,019 - $6,076	315 Added 2.61%	12,371 $0
Q1 2021 May 17, 2021	SELL	$17.16 - $30.06 $355,743 - $623,173	-20,731 Reduced 63.23%	12,056 $228,000
Q4 2020 Feb 16, 2021	BUY	$13.09 - $25.76 $20,747 - $40,829	1,585 Added 5.08%	32,787 $768,000
Q3 2020 Nov 16, 2020	SELL	$7.7 - $16.03 $111,180 - $231,457	-14,439 Reduced 31.64%	31,202 $451,000
Q2 2020 Aug 14, 2020	BUY	$5.16 - $8.23 $62,926 - $100,364	12,195 Added 36.46%	45,641 $371,000
Q1 2020 May 15, 2020	BUY	$4.64 - $8.31 $44,196 - $79,152	9,525 Added 39.82%	33,446 $183,000
Q4 2019 Feb 14, 2020	SELL	$7.48 - $9.47 $68,629 - $86,887	-9,175 Reduced 27.72%	23,921 $188,000
Q3 2019 Nov 14, 2019	BUY	$7.37 - $10.11 $15,631 - $21,443	2,121 Added 6.85%	33,096 $0
Q2 2019 Aug 14, 2019	BUY	$8.23 - $13.43 $133,284 - $217,498	16,195 Added 109.57%	30,975 $287,000
Q1 2019 May 15, 2019	BUY	$10.85 - $16.06 $19,833 - $29,357	1,828 Added 14.11%	14,780 $0
Q3 2018 Nov 13, 2018	SELL	$4.9 - $7.39 $83,211 - $125,496	-16,982 Reduced 56.73%	12,952 $0
Q2 2018 Aug 10, 2018	BUY	$5.6 - $7.74 $25,289 - $34,953	4,516 Added 17.77%	29,934 $0
Q4 2017 Feb 09, 2018	BUY	$3.15 - $4.71 $80,066 - $119,718	25,418	25,418 $92,000

Others Institutions Holding AMSC

# of Institutions

298

Shares Held

32.4M

Call Options Held

1.31M

Put Options Held

647K

View Full List

About AMERICAN SUPERCONDUCTOR CORP

Ticker AMSC
Exchange NASDAQ
Sector Industrials
Industry Specialty Industrial Machinery
Shares Outstandng 28,566,200
Market Cap $974M
Description
American Superconductor Corporation, together with its subsidiaries, provides megawatt-scale power resiliency solutions worldwide. The company operates in two segments, Grid and Wind. The Grid segment offers products and services that enable electric utilities, industrial facilities, and renewable energy project developers to connect, transmit, ...

More about AMSC

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