Amkor Technology, Inc.

Historical 13F Holders

Symbol
AMKR
CUSIP
031652100
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 031652100 since 12/18/2024, newest first.

Filer % of Class Filed
James J. Kim 13D/A Amendment 21
30.4% 5/5/2026
Event 5/1/2026
Dimensional Fund Advisors LP 13G/A Amendment 7 4.4% 4/9/2026
Event 3/31/2026
Vanguard Group Inc 13G/A Amendment 2 0% 3/26/2026
Event 3/13/2026
James J. Kim 13D/A Amendment 20
30.5% 2/17/2026
Event 2/12/2026
James J. Kim 13D/A Amendment 19
33.7% 5/16/2025
Event 5/14/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 39 272 k $13.8 M
2026 Q2 690 129 M $10.1 B
2026 Q1 566 121 M $5.44 B
2025 Q4 484 114 M $4.51 B
2025 Q3 410 108 M $3.09 B
2025 Q2 377 114 M $2.40 B
2025 Q1 379 109 M $1.97 B
2024 Q4 361 110 M $2.82 B
2024 Q3 380 107 M $3.27 B
2024 Q2 417 108 M $4.34 B
2024 Q1 363 109 M $3.51 B
2023 Q4 341 108 M $3.60 B
2023 Q3 329 104 M $2.35 B
2023 Q2 322 96.4 M $2.86 B
2023 Q1 312 94.7 M $2.49 B
2022 Q4 318 98.1 M $2.35 B
2022 Q3 287 94.6 M $1.61 B
2022 Q2 280 95.1 M $1.61 B
2022 Q1 299 94.6 M $2.06 B
2021 Q4 292 94.5 M $2.34 B
2021 Q3 288 94.1 M $2.35 B
2021 Q2 276 94.3 M $2.23 B
2021 Q1 276 96.0 M $2.28 B
2020 Q4 250 110 M $1.67 B
2020 Q3 234 93.1 M $1.04 B
2020 Q2 227 96.4 M $1.19 B
2020 Q1 220 94.1 M $732 M
2019 Q4 215 97.8 M $1.27 B
2019 Q3 187 90.2 M $821 M
2019 Q2 180 92.5 M $690 M
2019 Q1 189 93.5 M $798 M
2018 Q4 186 94.1 M $617 M
2018 Q3 179 96.9 M $716 M
2018 Q2 165 91.7 M $788 M
2018 Q1 180 99.2 M $1.01 B
2017 Q4 187 96.4 M $969 M
2017 Q3 167 96.5 M $1.02 B
2017 Q2 175 96.0 M $938 M
2017 Q1 181 94.3 M $1.09 B
2016 Q4 209 90.3 M $994 M
2016 Q3 186 79.9 M $776 M
2016 Q2 156 76.7 M $441 M
2016 Q1 146 79.2 M $466 M
2015 Q4 174 79.3 M $482 M
2015 Q3 159 76.8 M $345 M
2015 Q2 173 81.0 M $485 M
2015 Q1 204 79.9 M $704 M
2014 Q4 191 80.9 M $574 M
2014 Q3 212 81.6 M $687 M
2014 Q2 206 84.5 M $943 M
2014 Q1 149 69.4 M $476 M