AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 3,041 Value ($000) $88 Avg Close $43.24 Range $28.68 - $70.49
Q3 2025
Shares 46,903 Value ($000) $2,786 Avg Close $49.99 Range $34.87 - $65.70
Q2 2025
Shares 7,299 Value ($000) $268 Avg Close $24.58 Range $13.98 - $37.89
Q3 2023
Shares 18,130 Value ($000) $137 Avg Close $8.30 Range $5.75 - $17.37
Q2 2023
Shares 78,002 Value ($000) $488 Avg Close $4.87 Range $3.63 - $7.58
Q1 2023
Shares 55,423 Value ($000) $272 Avg Close $5.02 Range $3.53 - $6.61
Q4 2022
Shares 48,256 Value ($000) $178 Avg Close $3.91 Range $3.20 - $4.92
Q2 2022
Shares 13,313 Value ($000) $69 Avg Close $5.79 Range $4.23 - $8.31
Q1 2022
Shares 82,814 Value ($000) $630 Avg Close $8.56 Range $7.04 - $11.37
Q4 2021
Shares 22,473 Value ($000) $245 Avg Close $14.41 Range $10.20 - $19.36
Q3 2021
Shares 9,046 Value ($000) $132 Avg Close $13.86 Range $11.25 - $18.14
Q2 2021
Shares 17,996 Value ($000) $313 Avg Close $16.00 Range $12.73 - $20.00
Q4 2020
Shares 31,504 Value ($000) $738 Avg Close $17.73 Range $12.90 - $26.44
Q3 2020
Shares 40,722 Value ($000) $590 Avg Close $11.18 Range $7.51 - $16.47
Q1 2020
Shares 300 Value ($000) $2 Avg Close $6.86 Range $4.40 - $8.60
Q4 2019
Shares 90 Value ($000) $1 Avg Close $8.05 Range $7.24 - $9.82
Q2 2019
Shares 4,935 Value ($000) $46 Avg Close $10.64 Range $8.08 - $13.47
Q1 2019
Shares 18,173 Value ($000) $234 Avg Close $13.60 Range $10.62 - $16.44
Q4 2018
Shares 16,177 Value ($000) $180 Avg Close $8.55 Range $5.78 - $12.50
Q3 2018
Shares 19,760 Value ($000) $137 Avg Close $5.97 Range $4.84 - $7.50
Q2 2018
Shares 51,289 Value ($000) $359 Avg Close $6.54 Range $5.31 - $8.03
Q1 2018
Shares 47,633 Value ($000) $277 Avg Close $5.13 Range $3.62 - $6.51
Q4 2017
Shares 11,778 Value ($000) $43 Avg Close $3.82 Range $3.06 - $4.84
Q3 2017
Shares 9,988 Value ($000) $45 Avg Close $3.88 Range $2.89 - $4.98
Q2 2017
Shares 711 Value ($000) $3 Avg Close $5.08 Range $3.88 - $7.75
Q4 2016
Shares 1,500 Value ($000) $11 Avg Close $7.49 Range $6.01 - $8.55