AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025
Shares 683,202 Value ($000) $19,663 Avg Close $43.24 Range $28.68 - $70.49
Q3 2025
Shares 760,457 Value ($000) $45,164 Avg Close $49.99 Range $34.87 - $65.70
Q2 2025
Shares 236,396 Value ($000) $8,673 Avg Close $24.58 Range $13.98 - $37.89
Q4 2024
Shares 296,792 Value ($000) $7,310 Avg Close $27.58 Range $20.60 - $38.02
Q2 2024
Shares 57,014 Value ($000) $1 Avg Close $16.52 Range $11.36 - $27.38
Q1 2024
Shares 133,903 Value ($000) $2 Avg Close $12.40 Range $9.37 - $15.24
Q4 2020
Shares 224,302 Value ($000) $5,253 Avg Close $17.73 Range $12.90 - $26.44
Q3 2020
Shares 258,550 Value ($000) $3,744 Avg Close $11.18 Range $7.51 - $16.47
Q2 2020
Shares 73,501 Value ($000) $598 Avg Close $6.54 Range $5.09 - $8.88
Q3 2019
Shares 117,568 Value ($000) $922 Avg Close $8.50 Range $7.26 - $10.46
Q2 2019
Shares 235,001 Value ($000) $2,181 Avg Close $10.64 Range $8.08 - $13.47
Q1 2019
Shares 120,916 Value ($000) $1,555 Avg Close $13.60 Range $10.62 - $16.44