AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025
Shares 26,849 Value ($000) $1,060 Avg Close $35.54 Range $28.11 - $47.28
Q3 2025
Shares 27,049 Value ($000) $768 Avg Close $23.96 Range $20.48 - $30.29
Q2 2025
Shares 27,349 Value ($000) $574 Avg Close $18.29 Range $13.89 - $21.19
Q1 2025
Shares 27,149 Value ($000) $490 Avg Close $22.28 Range $17.44 - $27.31
Q4 2024
Shares 26,849 Value ($000) $690 Avg Close $26.77 Range $23.33 - $30.71
Q3 2024
Shares 26,949 Value ($000) $825 Avg Close $32.91 Range $25.69 - $43.32
Q2 2024
Shares 24,949 Value ($000) $998 Avg Close $31.93 Range $27.12 - $39.53
Q1 2024
Shares 25,349 Value ($000) $817 Avg Close $30.50 Range $27.72 - $35.56
Q4 2023
Shares 24,749 Value ($000) $823 Avg Close $25.22 Range $16.85 - $33.10
Q3 2023
Shares 24,649 Value ($000) $557 Avg Close $25.22 Range $20.83 - $28.77
Q2 2023
Shares 24,849 Value ($000) $739 Avg Close $23.21 Range $19.46 - $28.92
Q1 2023
Shares 25,349 Value ($000) $660 Avg Close $26.02 Range $22.73 - $29.82
Q4 2022
Shares 25,549 Value ($000) $613 Avg Close $21.98 Range $15.71 - $27.58
Q3 2022
Shares 25,349 Value ($000) $432 Avg Close $18.20 Range $14.08 - $21.90
Q2 2022
Shares 25,549 Value ($000) $433 Avg Close $17.93 Range $15.37 - $20.90
Q1 2022
Shares 25,449 Value ($000) $553 Avg Close $21.32 Range $18.61 - $25.07
Q4 2021
Shares 25,400 Value ($000) $630 Avg Close $21.87 Range $19.83 - $24.52
Q3 2021
Shares 25,100 Value ($000) $626 Avg Close $23.93 Range $19.34 - $27.70
Q2 2021
Shares 27,100 Value ($000) $641 Avg Close $20.84 Range $16.88 - $25.74
Q1 2021
Shares 39,700 Value ($000) $941 Avg Close $19.14 Range $13.85 - $24.36