AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2025

Shares 89,100 Value ($000) $2,564 Avg Close $43.24 Range $28.68 - $70.49

Q3 2025

Shares 84,600 Value ($000) $5,024 Avg Close $49.99 Range $34.87 - $65.70

Q2 2025

Shares 83,300 Value ($000) $3,056 Avg Close $24.58 Range $13.98 - $37.89

Q1 2025

Shares 72,600 Value ($000) $1,317 Avg Close $24.93 Range $17.08 - $35.44

Q4 2024

Shares 75,300 Value ($000) $1,855 Avg Close $27.58 Range $20.60 - $38.02

Q3 2024

Shares 72,200 Value ($000) $1,704 Avg Close $23.05 Range $17.02 - $32.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	89,100	$2,564	$43.24	$28.68 - $70.49
Q3 2025	84,600	$5,024	$49.99	$34.87 - $65.70
Q2 2025	83,300	$3,056	$24.58	$13.98 - $37.89
Q1 2025	72,600	$1,317	$24.93	$17.08 - $35.44
Q4 2024	75,300	$1,855	$27.58	$20.60 - $38.02
Q3 2024	72,200	$1,704	$23.05	$17.02 - $32.70