AMTECH SYS INC

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

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

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

Q4 2025
Shares 347,033 Value ($000) $4,355 Avg Close $9.01 Range $6.75 - $13.26
Q3 2025
Shares 182,429 Value ($000) $1,689 Avg Close $6.11 Range $4.30 - $10.25
Q4 2021
Shares 135,814 Value ($000) $1,342 Avg Close $11.54 Range $8.38 - $15.78
Q3 2021
Shares 138,611 Value ($000) $1,584 Avg Close $10.24 Range $8.75 - $12.70
Q2 2021
Shares 138,611 Value ($000) $1,336 Avg Close $10.26 Range $8.35 - $14.24
Q1 2021
Shares 110,623 Value ($000) $1,308 Avg Close $9.25 Range $6.25 - $13.20
Q4 2020
Shares 63,000 Value ($000) $402 Avg Close $5.95 Range $4.90 - $7.17
Q3 2020
Shares 63,000 Value ($000) $308 Avg Close $5.15 Range $4.71 - $5.94
Q2 2020
Shares 40,700 Value ($000) $198 Avg Close $4.94 Range $4.18 - $5.71
Q1 2020
Shares 40,700 Value ($000) $177 Avg Close $5.63 Range $3.55 - $7.96
Q4 2019
Shares 12,200 Value ($000) $87 Avg Close $5.80 Range $4.75 - $7.21
Q1 2018
Shares 59,972 Value ($000) $439 Avg Close $9.00 Range $6.92 - $11.53
Q4 2017
Shares 53,947 Value ($000) $543 Avg Close $12.22 Range $9.31 - $15.45