Joel Greenblatt's AMKR Position Overview
Joel Greenblatt (via Gotham Asset Management, LLC) currently holds 1.19 M shares of Amkor Technology, Inc. (AMKR) worth $47.09 M, representing 0.17% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 46 quarters.
Based on 13F filings since 2013, Joel Greenblatt has maintained a long-term strategic position in AMKR, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2025, adding 1.18 M shares. Largest reduction occurred in Q1 2016, reducing 1.75 M shares.
Analysis based on 13F filings available since 2013 Q2
Joel Greenblatt's Amkor Technology (AMKR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Amkor Technology (AMKR) Trades by Joel Greenblatt
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -221,067 | Reduce 15.64% | 1.19 M | $39.48 |
| Q3 2025 | +90,388 | Add 6.83% | 1.41 M | $28.40 |
| Q2 2025 | +1.18 M | Add 854.10% | 1.32 M | $20.99 |
| Q1 2025 | -11,791 | Reduce 7.84% | 138,700 | $18.06 |
| Q4 2024 | -23,093 | Reduce 13.30% | 150,491 | $25.69 |
| Q3 2024 | +133,399 | Add 331.96% | 173,584 | $30.60 |
| Q2 2024 | -4,512 | Reduce 10.09% | 40,185 | $40.02 |
| Q1 2024 | +25,462 | Add 132.37% | 44,697 | $32.24 |
| Q4 2023 | -838 | Reduce 4.17% | 19,235 | $33.27 |
| Q3 2023 | -17,339 | Reduce 46.35% | 20,073 | $22.60 |
| Q2 2023 | +19,726 | Add 111.53% | 37,412 | $29.75 |
| Q1 2023 | -457 | Reduce 2.52% | 17,686 | $26.02 |
| Q4 2022 | -42,574 | Reduce 70.12% | 18,143 | $23.98 |
| Q3 2022 | +41,205 | Add 211.18% | 60,717 | $17.05 |
| Q2 2022 | +6,358 | Add 48.34% | 19,512 | $16.96 |
| Q1 2022 | +2,558 | Add 24.14% | 13,154 | $21.74 |
| Q4 2021 | -2,737 | Reduce 20.53% | 10,596 | $24.82 |
| Q3 2021 | -13,976 | Reduce 51.18% | 13,333 | $24.98 |
| Q2 2021 | -30,527 | Reduce 52.78% | 27,309 | $23.66 |
| Q1 2021 | -95,776 | Reduce 62.35% | 57,836 | $23.70 |
| Q4 2020 | -97,985 | Reduce 38.95% | 153,612 | $15.08 |
| Q3 2020 | +14,676 | Add 6.19% | 251,597 | $11.20 |
| Q2 2020 | -34,218 | Reduce 12.62% | 236,921 | $12.31 |
| Q1 2020 | +93,626 | Add 52.74% | 271,139 | $7.79 |
| Q4 2019 | -55,884 | Reduce 23.94% | 177,513 | $13.00 |
| Q3 2019 | -49,443 | Reduce 17.48% | 233,397 | $9.10 |
| Q2 2019 | -224,159 | Reduce 44.21% | 282,840 | $7.46 |
| Q1 2019 | +215,222 | Add 73.76% | 506,999 | $8.54 |
| Q4 2018 | +291,777 | New Buy | 291,777 | $6.56 |
| Q3 2018 | -35,551 | Sold Out | 0 | $0.00 |
| Q2 2018 | -126,030 | Reduce 78.00% | 35,551 | $8.58 |
| Q1 2018 | +161,581 | New Buy | 161,581 | $10.13 |
| Q3 2017 | -674,787 | Sold Out | 0 | $0.00 |
| Q2 2017 | -331,574 | Reduce 32.95% | 674,787 | $9.77 |
| Q1 2017 | +891,625 | Add 777.11% | 1.01 M | $11.59 |
| Q4 2016 | +114,736 | New Buy | 114,736 | $10.55 |
| Q1 2016 | -1.75 M | Sold Out | 0 | $0.00 |
| Q4 2015 | +906,603 | Add 107.09% | 1.75 M | $6.08 |
| Q3 2015 | +846,570 | New Buy | 846,570 | $4.49 |
| Q4 2014 | -112,135 | Sold Out | 0 | $0.00 |
| Q3 2014 | +32,595 | Add 40.98% | 112,135 | $8.41 |
| Q2 2014 | +79,540 | New Buy | 79,540 | $11.18 |
| Q1 2014 | -200,435 | Sold Out | 0 | $0.00 |
| Q4 2013 | +200,435 | New Buy | 200,435 | $6.13 |
| Q3 2013 | -10,360 | Sold Out | 0 | $0.00 |
| Q2 2013 | +10,360 | Add 0.00% | 10,360 | $4.25 |
Joel Greenblatt's Amkor Technology Investment FAQs
Joel Greenblatt first purchased Amkor Technology, Inc. (AMKR) in Q2 2013, acquiring 10,360 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Joel Greenblatt has held Amkor Technology, Inc. (AMKR) for 46 quarters since Q2 2013.
Joel Greenblatt's largest addition to Amkor Technology, Inc. (AMKR) was in Q2 2025, adding 1,323,331 shares worth $27.78 M.
According to the latest 13F filing for Q4 2025, Joel Greenblatt's firm, Gotham Asset Management, LLC, owns 1,192,652 shares of Amkor Technology, Inc. (AMKR), valued at approximately $47.09 M.
As of the Q4 2025 filing, Amkor Technology, Inc. (AMKR) represents approximately 0.17% of Joel Greenblatt's publicly disclosed stock portfolio, making it one of their key holdings.
Joel Greenblatt's peak holding in Amkor Technology, Inc. (AMKR) was 1,753,173 shares, as reported at the end of Q4 2015.