AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025
Shares 461 Value ($000) $18 Avg Close $35.54 Range $28.11 - $47.28
Q3 2025
Shares 3,446 Value ($000) $98 Avg Close $23.96 Range $20.48 - $30.29
Q2 2025
Shares 3,351 Value ($000) $70 Avg Close $18.29 Range $13.89 - $21.19
Q1 2025
Shares 2,985 Value ($000) $54 Avg Close $22.28 Range $17.44 - $27.31
Q4 2024
Shares 2,985 Value ($000) $77 Avg Close $26.77 Range $23.33 - $30.71
Q3 2024
Shares 3,035 Value ($000) $93 Avg Close $32.91 Range $25.69 - $43.32
Q2 2024
Shares 2,985 Value ($000) $119 Avg Close $31.93 Range $27.12 - $39.53
Q1 2024
Shares 2,985 Value ($000) $96 Avg Close $30.50 Range $27.72 - $35.56
Q4 2023
Shares 2,985 Value ($000) $99 Avg Close $25.22 Range $16.85 - $33.10
Q3 2023
Shares 2,985 Value ($000) $67 Avg Close $25.22 Range $20.83 - $28.77
Q2 2023
Shares 2,985 Value ($000) $89 Avg Close $23.21 Range $19.46 - $28.92
Q1 2023
Shares 2,985 Value ($000) $78 Avg Close $26.02 Range $22.73 - $29.82
Q4 2022
Shares 2,985 Value ($000) $72 Avg Close $21.98 Range $15.71 - $27.58
Q3 2022
Shares 2,985 Value ($000) $51 Avg Close $18.20 Range $14.08 - $21.90
Q2 2022
Shares 2,985 Value ($000) $51 Avg Close $17.93 Range $15.37 - $20.90
Q1 2022
Shares 2,985 Value ($000) $65 Avg Close $21.32 Range $18.61 - $25.07
Q4 2021
Shares 2,985 Value ($000) $74 Avg Close $21.87 Range $19.83 - $24.52
Q3 2021
Shares 2,985 Value ($000) $74 Avg Close $23.93 Range $19.34 - $27.70
Q2 2021
Shares 2,985 Value ($000) $71 Avg Close $20.84 Range $16.88 - $25.74
Q1 2021
Shares 2,985 Value ($000) $71 Avg Close $19.14 Range $13.85 - $24.36
Q4 2020
Shares 2,985 Value ($000) $45 Avg Close $12.70 Range $10.09 - $14.70
Q3 2020
Shares 2,985 Value ($000) $33 Avg Close $11.54 Range $9.98 - $14.72
Q2 2020
Shares 2,985 Value ($000) $37 Avg Close $9.62 Range $6.65 - $12.20
Q1 2020
Shares 2,985 Value ($000) $23 Avg Close $10.13 Range $5.03 - $13.81
Q4 2019
Shares 2,985 Value ($000) $39 Avg Close $11.12 Range $8.40 - $14.21
Q3 2019
Shares 2,985 Value ($000) $27 Avg Close $7.99 Range $6.78 - $9.12
Q2 2019
Shares 2,985 Value ($000) $22 Avg Close $7.29 Range $5.97 - $9.08
Q1 2019
Shares 2,985 Value ($000) $25 Avg Close $7.71 Range $5.86 - $8.92
Q4 2018
Shares 2,985 Value ($000) $20 Avg Close $6.15 Range $5.33 - $7.05
Q3 2018
Shares 2,985 Value ($000) $22 Avg Close $7.92 Range $6.80 - $8.76
Q2 2018
Shares 2,985 Value ($000) $26 Avg Close $8.50 Range $7.63 - $9.77
Q1 2018
Shares 2,985 Value ($000) $30 Avg Close $9.70 Range $8.20 - $10.88
Q4 2017
Shares 2,985 Value ($000) $30 Avg Close $9.97 Range $9.24 - $11.07
Q3 2017
Shares 2,985 Value ($000) $31 Avg Close $8.92 Range $7.75 - $10.48
Q2 2017
Shares 2,985 Value ($000) $29 Avg Close $10.55 Range $8.97 - $11.63
Q1 2017
Shares 2,985 Value ($000) $35 Avg Close $9.61 Range $8.43 - $10.85
Q4 2016
Shares 2,985 Value ($000) $31 Avg Close $9.93 Range $8.41 - $11.63
Q3 2016
Shares 2,985 Value ($000) $29 Avg Close $7.46 Range $5.13 - $9.17
Q2 2016
Shares 2,985 Value ($000) $17 Avg Close $5.44 Range $4.91 - $6.06
Q1 2016
Shares 2,985 Value ($000) $18 Avg Close $5.06 Range $3.81 - $5.78
Q1 2015
Shares 2,985 Value ($000) $26 Avg Close $7.58 Range $5.83 - $9.44
Q4 2014
Shares 2,985 Value ($000) $21 Avg Close $6.46 Range $5.38 - $8.10
Q3 2014
Shares 2,985 Value ($000) $25 Avg Close $9.21 Range $7.83 - $10.86
Q2 2014
Shares 2,985 Value ($000) $33 Avg Close $8.60 Range $6.24 - $11.43
Q1 2014
Shares 2,985 Value ($000) $20 Avg Close $5.44 Range $4.68 - $6.41
Q4 2013
Shares 2,985 Value ($000) $18 Avg Close $4.97 Range $3.99 - $5.77
Q3 2013
Shares 2,985 Value ($000) $13 Avg Close $4.00 Range $3.73 - $4.42
Q2 2013
Shares 7,115 Value ($000) $30 Avg Close $3.93 Range $3.31 - $4.40
Q1 2013
Shares 2,985 Value ($000) $12 Avg Close $4.15 Range $3.64 - $4.70