Group One Trading, L.P. American Superconductor Corp Transaction History

Group One Trading, L.P.

$2.81 Billion
Q3 2025

A detailed history of Group One Trading, L.P. transactions in American Superconductor Corp stock. As of the latest transaction made, Group One Trading, L.P. holds 46,903 shares of AMSC stock, worth $1.6 Million. This represents 0.1% of its overall portfolio holdings.

Number of Shares

46,903

Previous 7,299 542.59%

Holding current value

$1.6 Million

Previous $267,000 933.33%

% of portfolio

0.1%

Previous 0.01%

27 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 12, 2025	BUY	$35.98 - $64.63 $1.42 Million - $2.56 Million	39,604 Added 542.59%	46,903 $2.76 Million
Q2 2025 Aug 13, 2025	BUY	$15.8 - $37.12 $115,324 - $270,938	7,299 New	7,299 $267,000
Q3 2023 Nov 09, 2023	SELL	$6.06 - $16.13 $362,824 - $965,735	-59,872 Reduced 76.76%	18,130 $136,000
Q2 2023 Aug 09, 2023	BUY	$3.7 - $7.22 $83,542 - $163,020	22,579 Added 40.74%	78,002 $488,000
Q1 2023 May 12, 2023	BUY	$3.58 - $6.57 $25,657 - $47,087	7,167 Added 14.85%	55,423 $272,000

Q4 2022 Feb 09, 2023	BUY	$3.29 - $4.86 $158,762 - $234,524	48,256 New	48,256 $177,000
Q2 2022 Aug 11, 2022	SELL	$4.52 - $8.24 $314,144 - $572,688	-69,501 Reduced 83.92%	13,313 $69,000
Q1 2022 May 12, 2022	BUY	$7.37 - $11.02 $444,713 - $664,957	60,341 Added 268.5%	82,814 $630,000
Q4 2021 Feb 11, 2022	BUY	$10.75 - $19.29 $144,340 - $259,006	13,427 Added 148.43%	22,473 $245,000
Q3 2021 Nov 12, 2021	SELL	$11.44 - $17.79 $102,388 - $159,220	-8,950 Reduced 49.73%	9,046 $132,000
Q2 2021 Aug 10, 2021	BUY	$12.76 - $19.29 $229,628 - $347,142	17,996 New	17,996 $313,000
Q1 2021 May 12, 2021	SELL	$17.16 - $30.06 $540,608 - $947,010	-31,504 Closed	0 $0
Q4 2020 Feb 10, 2021	SELL	$13.09 - $25.76 $120,663 - $237,455	-9,218 Reduced 22.64%	31,504 $738,000
Q3 2020 Nov 12, 2020	BUY	$7.7 - $16.03 $313,559 - $652,773	40,722 New	40,722 $590,000
Q2 2020 Aug 13, 2020	SELL	$5.16 - $8.23 $1,548 - $2,469	-300 Closed	0 $0
Q1 2020 May 13, 2020	BUY	$4.64 - $8.31 $974 - $1,745	210 Added 233.33%	300 $2,000
Q4 2019 Feb 10, 2020	BUY	$7.48 - $9.47 $673 - $852	90 New	90 $1,000
Q3 2019 Nov 12, 2019	SELL	$7.37 - $10.11 $36,370 - $49,892	-4,935 Closed	0 $0
Q2 2019 Aug 09, 2019	SELL	$8.23 - $13.43 $108,948 - $177,786	-13,238 Reduced 72.84%	4,935 $46,000
Q1 2019 May 13, 2019	BUY	$10.85 - $16.06 $21,656 - $32,055	1,996 Added 12.34%	18,173 $234,000
Q4 2018 Feb 06, 2019	SELL	$5.92 - $12.32 $21,211 - $44,142	-3,583 Reduced 18.13%	16,177 $180,000
Q3 2018 Nov 08, 2018	SELL	$4.9 - $7.39 $154,492 - $232,999	-31,529 Reduced 61.47%	19,760 $137,000
Q2 2018 Aug 14, 2018	BUY	$5.6 - $7.74 $20,473 - $28,297	3,656 Added 7.68%	51,289 $359,000
Q1 2018 May 11, 2018	BUY	$3.81 - $6.18 $136,607 - $221,583	35,855 Added 304.42%	47,633 $277,000
Q4 2017 Feb 09, 2018	BUY	$3.15 - $4.71 $5,638 - $8,430	1,790 Added 17.92%	11,778 $43,000
Q3 2017 Nov 15, 2017	BUY	$2.97 - $4.88 $27,552 - $45,271	9,277 Added 1304.78%	9,988 $45,000
Q2 2017 Aug 14, 2017	BUY	N/A	711	711 $3,000

Others Institutions Holding AMSC

# of Institutions

299

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, ...

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Group One Trading, L.P. American Superconductor Corp Transaction History