AMTECH SYS INC

Ticker: ASYS CUSIP: 032332504 Class: COM PAR $0.01N

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

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

Q4 2025

Shares 352,624 Value ($000) $4,425 Avg Close $9.01 Range $6.75 - $13.26

Q3 2025

Shares 105,272 Value ($000) $975 Avg Close $6.11 Range $4.30 - $10.25

Q1 2024

Shares 20,797 Value ($000) $113 Avg Close $4.51 Range $3.37 - $5.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	352,624	$4,425	$9.01	$6.75 - $13.26
Q3 2025	105,272	$975	$6.11	$4.30 - $10.25
Q1 2024	20,797	$113	$4.51	$3.37 - $5.45