AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 11,227 Value ($000) $323 Avg Close $43.24 Range $28.68 - $70.49
Q3 2025
Shares 6,404 Value ($000) $380 Avg Close $49.99 Range $34.87 - $65.70
Q1 2023
Shares 20,500 Value ($000) $101 Avg Close $5.02 Range $3.53 - $6.61
Q4 2022
Shares 50,000 Value ($000) $184 Avg Close $3.91 Range $3.20 - $4.92
Q3 2022
Shares 76,600 Value ($000) $336 Avg Close $5.18 Range $4.34 - $6.35
Q2 2022
Shares 123,800 Value ($000) $641 Avg Close $5.79 Range $4.23 - $8.31
Q1 2022
Shares 58,700 Value ($000) $447 Avg Close $8.56 Range $7.04 - $11.37
Q2 2021
Shares 17,400 Value ($000) $303 Avg Close $16.00 Range $12.73 - $20.00
Q1 2021
Shares 16,800 Value ($000) $319 Avg Close $24.75 Range $16.85 - $31.78
Q4 2020
Shares 14,900 Value ($000) $349 Avg Close $17.73 Range $12.90 - $26.44