AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 21,758 Value ($000) $859 Avg Close $35.54 Range $28.11 - $47.28
Q3 2025
Shares 65,699 Value ($000) $1,866 Avg Close $23.96 Range $20.48 - $30.29
Q2 2025
Shares 49,026 Value ($000) $1,029 Avg Close $18.29 Range $13.89 - $21.19
Q1 2025
Shares 211,846 Value ($000) $3,826 Avg Close $22.28 Range $17.44 - $27.31
Q2 2024
Shares 7,054 Value ($000) $282 Avg Close $31.93 Range $27.12 - $39.53
Q1 2024
Shares 11,276 Value ($000) $364 Avg Close $30.50 Range $27.72 - $35.56
Q4 2023
Shares 21,691 Value ($000) $722 Avg Close $25.22 Range $16.85 - $33.10
Q2 2023
Shares 21,599 Value ($000) $643 Avg Close $23.21 Range $19.46 - $28.92
Q1 2023
Shares 7,984 Value ($000) $208 Avg Close $26.02 Range $22.73 - $29.82
Q4 2022
Shares 12,130 Value ($000) $291 Avg Close $21.98 Range $15.71 - $27.58
Q4 2020
Shares 12,003 Value ($000) $181 Avg Close $12.70 Range $10.09 - $14.70
Q2 2020
Shares 7,605 Value ($000) $94 Avg Close $9.62 Range $6.65 - $12.20
Q1 2020
Shares 6,854 Value ($000) $53 Avg Close $10.13 Range $5.03 - $13.81
Q4 2019
Shares 10,583 Value ($000) $138 Avg Close $11.12 Range $8.40 - $14.21
Q3 2019
Shares 816 Value ($000) $7 Avg Close $7.99 Range $6.78 - $9.12
Q1 2019
Shares 3,831 Value ($000) $33 Avg Close $7.71 Range $5.86 - $8.92
Q4 2018
Shares 21,759 Value ($000) $143 Avg Close $6.15 Range $5.33 - $7.05
Q3 2018
Shares 66,463 Value ($000) $491 Avg Close $7.92 Range $6.80 - $8.76
Q2 2018
Shares 6,045 Value ($000) $52 Avg Close $8.50 Range $7.63 - $9.77
Q1 2018
Shares 12,379 Value ($000) $125 Avg Close $9.70 Range $8.20 - $10.88
Q3 2017
Shares 589 Value ($000) $6 Avg Close $8.92 Range $7.75 - $10.48
Q2 2017
Shares 11,902 Value ($000) $116 Avg Close $10.55 Range $8.97 - $11.63
Q1 2017
Shares 8,405 Value ($000) $97 Avg Close $9.61 Range $8.43 - $10.85
Q2 2013
Shares 13,041 Value ($000) $55 Avg Close $3.93 Range $3.31 - $4.40