AMTECH SYS INC

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

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025
Shares 672,107 Value ($000) $8,435 Avg Close $9.01 Range $6.75 - $13.26
Q3 2025
Shares 849,815 Value ($000) $7,869 Avg Close $6.11 Range $4.30 - $10.25
Q2 2025
Shares 909,566 Value ($000) $4,039 Avg Close $3.91 Range $3.20 - $4.95
Q1 2025
Shares 927,626 Value ($000) $4,481 Avg Close $5.16 Range $4.74 - $6.41
Q4 2024
Shares 931,198 Value ($000) $5,075 Avg Close $5.67 Range $4.95 - $6.14
Q3 2024
Shares 924,130 Value ($000) $5,361 Avg Close $6.09 Range $5.21 - $6.96
Q2 2024
Shares 942,634 Value ($000) $5,524 Avg Close $5.40 Range $4.60 - $6.68
Q1 2024
Shares 1,020,592 Value ($000) $5,521 Avg Close $4.51 Range $3.37 - $5.45
Q4 2023
Shares 1,122,676 Value ($000) $4,715 Avg Close $6.79 Range $3.59 - $8.12
Q3 2023
Shares 1,126,731 Value ($000) $8,586 Avg Close $9.09 Range $7.30 - $11.98
Q2 2023
Shares 1,140,336 Value ($000) $10,901 Avg Close $9.08 Range $8.44 - $10.44
Q1 2023
Shares 1,156,382 Value ($000) $11,031 Avg Close $9.39 Range $7.81 - $11.44
Q4 2022
Shares 1,148,114 Value ($000) $9 Avg Close $9.06 Range $7.50 - $11.73
Q3 2022
Shares 1,135,113 Value ($000) $9,648 Avg Close $9.21 Range $6.66 - $13.45
Q2 2022
Shares 1,133,957 Value ($000) $8,277 Avg Close $8.63 Range $6.99 - $10.26
Q1 2022
Shares 1,121,617 Value ($000) $11,284 Avg Close $9.55 Range $7.81 - $11.10
Q4 2021
Shares 1,100,195 Value ($000) $10,870 Avg Close $11.54 Range $8.38 - $15.78
Q3 2021
Shares 1,098,983 Value ($000) $12,561 Avg Close $10.24 Range $8.75 - $12.70
Q2 2021
Shares 1,093,169 Value ($000) $10,538 Avg Close $10.26 Range $8.35 - $14.24
Q1 2021
Shares 1,063,234 Value ($000) $12,567 Avg Close $9.25 Range $6.25 - $13.20
Q4 2020
Shares 1,101,212 Value ($000) $7,026 Avg Close $5.95 Range $4.90 - $7.17
Q3 2020
Shares 1,141,945 Value ($000) $5,584 Avg Close $5.15 Range $4.71 - $5.94
Q2 2020
Shares 1,149,450 Value ($000) $5,598 Avg Close $4.94 Range $4.18 - $5.71
Q1 2020
Shares 1,180,376 Value ($000) $5,135 Avg Close $5.63 Range $3.55 - $7.96
Q4 2019
Shares 1,179,062 Value ($000) $8,442 Avg Close $5.80 Range $4.75 - $7.21
Q3 2019
Shares 1,235,141 Value ($000) $6,546 Avg Close $5.48 Range $4.79 - $6.25
Q2 2019
Shares 1,240,479 Value ($000) $6,823 Avg Close $6.10 Range $4.95 - $7.18
Q1 2019
Shares 1,254,037 Value ($000) $6,684 Avg Close $4.94 Range $4.35 - $5.45
Q4 2018
Shares 1,261,386 Value ($000) $5,714 Avg Close $4.88 Range $4.03 - $5.83
Q3 2018
Shares 1,250,824 Value ($000) $6,679 Avg Close $5.48 Range $4.56 - $6.23
Q2 2018
Shares 1,086,467 Value ($000) $6,574 Avg Close $7.80 Range $5.85 - $10.67
Q1 2018
Shares 858,981 Value ($000) $6,288 Avg Close $9.00 Range $6.92 - $11.53
Q4 2017
Shares 700,460 Value ($000) $7,054 Avg Close $12.22 Range $9.31 - $15.45
Q3 2017
Shares 553,201 Value ($000) $6,627 Avg Close $10.06 Range $8.13 - $13.06
Q2 2017
Shares 466,683 Value ($000) $3,939 Avg Close $7.31 Range $5.17 - $9.19
Q1 2017
Shares 413,982 Value ($000) $2,277 Avg Close $5.48 Range $3.99 - $6.69
Q4 2016
Shares 392,352 Value ($000) $1,667 Avg Close $4.53 Range $4.00 - $5.71
Q3 2016
Shares 407,774 Value ($000) $2,023 Avg Close $5.53 Range $4.75 - $6.52
Q2 2016
Shares 407,774 Value ($000) $2,434 Avg Close $6.35 Range $5.53 - $7.14
Q1 2016
Shares 407,746 Value ($000) $2,646 Avg Close $5.64 Range $4.41 - $7.83
Q4 2015
Shares 390,903 Value ($000) $2,447 Avg Close $5.17 Range $4.12 - $8.40
Q3 2015
Shares 400,763 Value ($000) $1,723 Avg Close $6.60 Range $4.27 - $11.11
Q2 2015
Shares 410,184 Value ($000) $4,262 Avg Close $11.09 Range $9.84 - $12.93
Q1 2015
Shares 410,711 Value ($000) $4,592 Avg Close $10.05 Range $7.96 - $12.59
Q4 2014
Shares 348,265 Value ($000) $3,535 Avg Close $9.39 Range $7.52 - $11.15
Q3 2014
Shares 342,708 Value ($000) $3,667 Avg Close $10.51 Range $8.47 - $12.37
Q2 2014
Shares 349,815 Value ($000) $4,278 Avg Close $9.91 Range $7.58 - $13.00
Q1 2014
Shares 343,119 Value ($000) $4,176 Avg Close $10.42 Range $6.87 - $13.74
Q4 2013
Shares 336,701 Value ($000) $2,343 Avg Close $7.78 Range $6.19 - $9.21
Q3 2013
Shares 331,480 Value ($000) $2,420 Avg Close $6.68 Range $5.44 - $7.70
Q2 2013
Shares 330,065 Value ($000) $2,099 Avg Close $4.48 Range $3.21 - $7.93