AMERICAN SUPERCONDUCTOR CORP

Ticker: AMSC CUSIP: 030111207 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2023

Shares 105,909 Value ($000) $1,180 Avg Close $8.46 Range $5.78 - $11.81

Q2 2023

Shares 29,760 Value ($000) $186 Avg Close $4.87 Range $3.63 - $7.58

Q4 2022

Shares 69,669 Value ($000) $256 Avg Close $3.91 Range $3.20 - $4.92

Q3 2022

Shares 83,741 Value ($000) $366 Avg Close $5.18 Range $4.34 - $6.35

Q2 2022

Shares 71,912 Value ($000) $372 Avg Close $5.79 Range $4.23 - $8.31

Q4 2019

Shares 9,692 Value ($000) $76 Avg Close $8.05 Range $7.24 - $9.82

Q1 2019

Shares 230,225 Value ($000) $2,961 Avg Close $13.60 Range $10.62 - $16.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	105,909	$1,180	$8.46	$5.78 - $11.81
Q2 2023	29,760	$186	$4.87	$3.63 - $7.58
Q4 2022	69,669	$256	$3.91	$3.20 - $4.92
Q3 2022	83,741	$366	$5.18	$4.34 - $6.35
Q2 2022	71,912	$372	$5.79	$4.23 - $8.31
Q4 2019	9,692	$76	$8.05	$7.24 - $9.82
Q1 2019	230,225	$2,961	$13.60	$10.62 - $16.44