Amkor Technology, Inc.
AMKR- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001047127
In the last 90 days, Amkor Technology, Inc. insiders filed 0 open-market purchases and 8 sales; 648 institutions reported holding it in 13F filings for Q2 2026, worth $9.95B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q3 2025
Institutional positions in Amkor Technology, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 383
- +38 vs. Q2 2025
- Shares held
- 107.7M
- −4.40M (−3.9%) vs. Q2 2025
- Total value
- $3.06B
- +$702.7M (+29.9%) vs. Q2 2025
- New holders
- 77
- 125 more added
- Sold out
- 39
- 121 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMKR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 648 | $9.95B |
| Q1 2026 | 533 | $5.44B |
| Q4 2025 | 455 | $4.49B |
| Q3 2025 | 383 | $3.06B |
| Q2 2025 | 348 | $2.37B |
| Q1 2025 | 347 | $1.96B |
| Q4 2024 | 335 | $2.81B |
| Q3 2024 | 359 | $3.27B |
| Q2 2024 | 395 | $4.22B |
| Q1 2024 | 338 | $3.43B |
| Q4 2023 | 317 | $3.50B |
| Q3 2023 | 305 | $2.33B |
| Q2 2023 | 300 | $2.86B |
| Q1 2023 | 294 | $2.45B |
| Q4 2022 | 294 | $2.27B |
| Q3 2022 | 274 | $1.61B |
| Q2 2022 | 266 | $1.61B |
| Q1 2022 | 281 | $2.05B |
| Q4 2021 | 273 | $2.33B |
| Q3 2021 | 269 | $2.35B |
| Q2 2021 | 256 | $2.22B |
| Q1 2021 | 255 | $2.28B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ProShare Advisors LLC | 18,915 | $537.2K | 0.00% | −3,081−14.0% | Reduced |
| Trexquant Investment LP | 19,077 | $541.8K | 0.01% | −85,213−81.7% | Reduced |
| Fortitude Advisory Group L.L.C. | 19,580 | $556.1K | 0.30% | +7,156+57.6% | Added |
| New Mexico Educational Retirement Board | 20,500 | $582.0K | 0.02% | 00.0% | Unchanged |
| Cetera Investment Advisers | 20,557 | $583.8K | 0.00% | +8,220+66.6% | Added |
| Summit Trail Advisors, LLC | 20,626 | $585.8K | 0.01% | −3,726−15.3% | Reduced |
| Moody National Bank Trust Division | 20,682 | $587.4K | 0.05% | +20,682 | New |
| Pacer Advisors, Inc. | 20,738 | $589.0K | 0.00% | +20,607+15,730.5% | Added |
| Sterling Capital Management LLC | 20,837 | $591.8K | 0.01% | −590−2.8% | Reduced |
| Connable Office Inc | 20,842 | $591.9K | 0.05% | 00.0% | Unchanged |
| Easterly Investment Partners LLC | 21,049 | $597.8K | 0.04% | +21,049 | New |
| Ameritas Investment Partners, Inc. | 21,311 | $605.2K | 0.02% | −754−3.4% | Reduced |
| IMC-Chicago, LLC | 22,256 | $632.1K | 0.01% | +22,256 | New |
| Aristeia Capital LLC | 22,608 | $642.1K | 0.02% | +2,179+10.7% | Added |
| Oregon Public Employees Retirement Fund | 22,894 | $650.2K | 0.01% | −400−1.7% | Reduced |
| Brinker Capital Investments, LLC | 23,081 | $655.5K | 0.01% | −1,655−6.7% | Reduced |
| Horizon Investments, LLC | 23,797 | $675.8K | 0.01% | −1,690−6.6% | Reduced |
| Intech Investment Management LLC | 24,656 | $700.2K | 0.01% | +24,656 | New |
| Guggenheim Capital LLC | 25,120 | $713.4K | 0.01% | −367−1.4% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 25,340 | $719.7K | 0.01% | −35−0.1% | Reduced |
| Toroso Investments, LLC | 25,880 | $735.0K | 0.00% | +639+2.5% | Added |
| Foster & Motley Inc | 26,082 | $741.0K | 0.04% | −1,561−5.6% | Reduced |
| Lazard Asset Management LLC | 26,337 | $748.0K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 26,500 | $752.6K | 0.00% | 00.0% | Unchanged |
| State of Michigan Retirement System | 27,049 | $768.2K | 0.00% | −300−1.1% | Reduced |
| Pathstone Holdings, LLC | 27,946 | $793.7K | 0.00% | −1,093−3.8% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 27,981 | $794.6K | 0.12% | +16,974+154.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 28,733 | $816.0K | 0.00% | −365,957−92.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 29,177 | $828.6K | 0.00% | −22−0.1% | Reduced |
| XTX Topco Ltd | 30,275 | $859.8K | 0.04% | −21,046−41.0% | Reduced |
| Shay Capital LLC | 31,000 | $880.4K | 0.16% | +31,000 | New |
| Quadrant Capital Group LLC | 31,099 | $883.2K | 0.03% | −385−1.2% | Reduced |
| Captrust Financial Advisors | 31,105 | $883.4K | 0.00% | +9,946+47.0% | Added |
| Ethic Inc. | 31,412 | $892.1K | 0.01% | −1,215−3.7% | Reduced |
| Louisiana State Employees Retirement System | 31,600 | $897.4K | 0.02% | −400−1.3% | Reduced |
| Hanson & Doremus Investment Management | 33,174 | $942.0K | 0.12% | +18+0.1% | Added |
| Comerica Bank | 34,085 | $968.0K | 0.00% | −2,405−6.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 34,304 | $974.0K | 0.01% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 34,991 | $993.7K | 0.00% | +14,087+67.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 35,069 | $996.0K | 0.00% | +4,622+15.2% | Added |
| Yousif Capital Management, LLC | 35,683 | $1.01M | 0.01% | −2,206−5.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 35,834 | $1.02M | 0.01% | −97,776−73.2% | Reduced |
| JustInvest LLC | 36,003 | $1.02M | 0.01% | −1,209−3.2% | Reduced |
| Arizona State Retirement System | 36,553 | $1.04M | 0.01% | +503+1.4% | Added |
| Two Sigma Investments, LP | 37,856 | $1.08M | 0.00% | +10,114+36.5% | Added |
| Prudential Financial Inc | 38,401 | $1.09M | 0.00% | −10,920−22.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 38,631 | $1.10M | 0.00% | +38,631 | New |
| SummerHaven Investment Management, LLC | 38,654 | $1.10M | 0.64% | +38,654 | New |
| New York State Teachers Retirement System | 39,480 | $1.12M | 0.00% | −331−0.8% | Reduced |
| Public Employees Retirement System of Ohio | 39,854 | $1.13M | 0.00% | −17,576−30.6% | Reduced |
| Verition Fund Management LLC | 41,328 | $1.17M | 0.01% | −22,853−35.6% | Reduced |
| BNP Paribas Arbitrage, SA | 41,929 | $1.19M | 0.00% | −168,211−80.0% | Reduced |
| Wolverine Trading, LLC | 41,770 | $1.19M | 0.02% | +41,770 | New |
| Tredje AP-fonden | 42,003 | $1.19M | 0.01% | −473,191−91.8% | Reduced |
| Bridgefront Capital, LLC | 42,191 | $1.20M | 0.35% | +11,756+38.6% | Added |
| Winton Group Ltd | 42,772 | $1.21M | 0.05% | −54,336−56.0% | Reduced |
| Handelsbanken Fonder AB | 43,076 | $1.22M | 0.00% | +15,500+56.2% | Added |
| State of Tennessee, Treasury Department | 43,094 | $1.22M | 0.00% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 43,724 | $1.24M | 0.01% | −2,400−5.2% | Reduced |
| New York State Common Retirement Fund | 45,793 | $1.30M | 0.00% | +9,000+24.5% | Added |
| Nomura Holdings Inc | 46,826 | $1.33M | 0.01% | +46,826 | New |
| State Board of Administration of Florida Retirement System | 47,611 | $1.35M | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 47,678 | $1.35M | 0.02% | +46,476+3,866.6% | Added |
| Macquarie Group Ltd | 48,600 | $1.38M | 0.00% | −36,000−42.6% | Reduced |
| M&T Bank Corp | 48,651 | $1.38M | 0.00% | −2,686−5.2% | Reduced |
| KBC Group NV | 48,822 | $1.39M | 0.00% | +2,635+5.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 49,743 | $1.41M | 0.01% | +6,276+14.4% | Added |
| Sciencast Management LP | 49,820 | $1.41M | 0.26% | +49,820 | New |
| Janus Henderson Group PLC | 50,423 | $1.43M | 0.00% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 51,349 | $1.46M | 0.00% | −2,002−3.8% | Reduced |
| Meeder Asset Management Inc | 51,833 | $1.47M | 0.08% | 00.0% | Unchanged |
| Amalgamated Bank | 52,156 | $1.48M | 0.01% | +233+0.4% | Added |
| Creative Planning | 52,156 | $1.48M | 0.00% | +19,139+58.0% | Added |
| Mutual of America Capital Management LLC | 52,504 | $1.49M | 0.02% | −4,012−7.1% | Reduced |
| CI Private Wealth, LLC | 53,819 | $1.53M | 0.00% | +2,232+4.3% | Added |
| Citigroup Inc | 56,052 | $1.59M | 0.00% | −107,942−65.8% | Reduced |
| Point72 Hong Kong Ltd | 57,772 | $1.64M | 0.08% | +50,873+737.4% | Added |
| MetLife Investment Management | 58,440 | $1.66M | 0.01% | +58,440 | New |
| Thrivent Financial for Lutherans | 59,460 | $1.69M | 0.00% | +32,702+122.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 59,386 | $1.77M | 0.00% | +20,710+53.5% | Added |
| AI-Squared Management Ltd | 64,800 | $1.84M | 1.92% | +64,800 | New |
| Group One Trading, L.P. | 65,699 | $1.87M | 0.06% | +16,673+34.0% | Added |
| Channing Capital Management, LLC | 65,941 | $1.87M | 0.05% | +65,941 | New |
| Knights of Columbus Asset Advisors LLC | 67,552 | $1.92M | 0.11% | +67,552 | New |
| Dark Forest Capital Management LP | 67,844 | $1.93M | 0.07% | −269,771−79.9% | Reduced |
| Oppenheimer Asset Management Inc. | 68,005 | $1.93M | 0.02% | −673−1.0% | Reduced |
| Quantinno Capital Management LP | 71,183 | $2.02M | 0.01% | +16,700+30.7% | Added |
| Voleon Capital Management LP | 74,889 | $2.13M | 0.05% | +74,889 | New |
| Philadelphia Trust Co | 76,400 | $2.17M | 0.15% | 00.0% | Unchanged |
| Voya Investment Management LLC | 77,350 | $2.20M | 0.00% | +1,373+1.8% | Added |
| Silvercrest Asset Management Group LLC | 78,525 | $2.23M | 0.01% | −220−0.3% | Reduced |
| Grandeur Peak Global Advisors, LLC | 79,850 | $2.27M | 0.30% | +8,850+12.5% | Added |
| Price T Rowe Associates Inc | 80,955 | $2.30M | 0.00% | +3,867+5.0% | Added |
| LPL Financial LLC | 81,626 | $2.32M | 0.00% | −8,616−9.5% | Reduced |
| Royal Bank of Canada | 82,086 | $2.33M | 0.00% | +20,506+33.3% | Added |
| Twin Tree Management, LP | 82,886 | $2.35M | 0.11% | +2,706+3.4% | Added |
| GHP Investment Advisors, Inc. | 86,871 | $2.47M | 0.10% | +3,978+4.8% | Added |
| Manufacturers Life Insurance Company, The | 92,714 | $2.63M | 0.00% | −5,521−5.6% | Reduced |
| Holocene Advisors, LP | 95,821 | $2.72M | 0.01% | −90,415−48.5% | Reduced |
| Edgestream Partners, L.P. | 97,078 | $2.76M | 0.08% | +97,078 | New |