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, Q1 2026
Institutional positions in Amkor Technology, Inc. as of Mar 31, 2026. 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
- 533
- +85 vs. Q4 2025
- Shares held
- 121.4M
- +24.9M (+25.8%) vs. Q4 2025
- Total value
- $5.44B
- +$1.63B (+42.7%) vs. Q4 2025
- New holders
- 141
- 190 more added
- Sold out
- 56
- 141 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Xponance, Inc. | 17,961 | $808.8K | 0.01% | +3,072+20.6% | Added |
| Virtue Capital Management, LLC | 19,781 | $816.0K | 0.12% | +19,781 | New |
| Aster Capital Management (DIFC) Ltd | 45,562 | $822.9K | 0.27% | +45,562 | New |
| Dark Forest Capital Management LP | 18,587 | $837.0K | 0.07% | +18,587 | New |
| Circle Wealth Management, LLC | 18,703 | $842.2K | 0.01% | +18,703 | New |
| Lazard Asset Management LLC | 19,180 | $863.7K | 0.00% | −7,098−27.0% | Reduced |
| Sequoia Financial Advisors, LLC | 19,317 | $869.8K | 0.00% | −4,941−20.4% | Reduced |
| Clear Creek Financial Management, LLC | 19,358 | $871.7K | 0.07% | +5,866+43.5% | Added |
| FORA Capital, LLC | 19,589 | $882.3K | 0.06% | +19,589 | New |
| Fortitude Advisory Group L.L.C. | 20,065 | $903.5K | 0.41% | +459+2.3% | Added |
| Pictet Asset Management Holding SA | 20,071 | $903.8K | 0.00% | +1,246+6.6% | Added |
| Hanseatic Management Services Inc | 20,432 | $920.1K | 0.88% | +20,432 | New |
| New Mexico Educational Retirement Board | 20,500 | $923.0K | 0.03% | 00.0% | Unchanged |
| Verition Fund Management LLC | 20,718 | $932.9K | 0.01% | +15,134+271.0% | Added |
| Ameritas Investment Partners, Inc. | 20,957 | $943.7K | 0.03% | +118+0.6% | Added |
| Sagewood Asset Management LP | 21,176 | $953.6K | 0.30% | −288−1.3% | Reduced |
| Nomura Asset Management International Inc. | 21,400 | $964.0K | 0.00% | 00.0% | Unchanged |
| Silverleafe Capital Partners, LLC | 21,466 | $966.6K | 0.29% | +21,466 | New |
| Brinker Capital Investments, LLC | 21,767 | $980.2K | 0.01% | −1,306−5.7% | Reduced |
| Brevan Howard Capital Management LP | 22,609 | $1.02M | 0.01% | +6,644+41.6% | Added |
| Voleon Capital Management LP | 23,146 | $1.04M | 0.02% | +23,146 | New |
| Oregon Public Employees Retirement Fund | 23,394 | $1.05M | 0.01% | +700+3.1% | Added |
| Atlas Capital Advisors LLC | 24,572 | $1.11M | 0.13% | +101+0.4% | Added |
| GHP Investment Advisors, Inc. | 24,610 | $1.11M | 0.05% | −65,192−72.6% | Reduced |
| Guggenheim Capital LLC | 24,930 | $1.12M | 0.01% | +4,422+21.6% | Added |
| Ethic Inc. | 25,245 | $1.14M | 0.02% | −5,756−18.6% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 25,486 | $1.15M | 0.02% | +45+0.2% | Added |
| Foster & Motley Inc | 25,531 | $1.15M | 0.06% | −551−2.1% | Reduced |
| Prudential Financial Inc | 25,570 | $1.15M | 0.00% | −3,815−13.0% | Reduced |
| Horizon Investments, LLC | 25,678 | $1.16M | 0.01% | +6,656+35.0% | Added |
| Caitong International Asset Management Co., Ltd | 26,165 | $1.18M | 0.22% | +20,568+367.5% | Added |
| Vident Advisory, LLC | 26,168 | $1.18M | 0.01% | +15,290+140.6% | Added |
| Deutsche Bank AG | 27,098 | $1.22M | 0.00% | +3,728+16.0% | Added |
| KLP Kapitalforvaltning AS | 27,200 | $1.22M | 0.00% | +700+2.6% | Added |
| Sowell Financial Services LLC | 27,276 | $1.23M | 0.05% | +1,851+7.3% | Added |
| State of Michigan Retirement System | 27,349 | $1.23M | 0.01% | +500+1.9% | Added |
| Polianta Ltd | 27,900 | $1.26M | 0.17% | +27,900 | New |
| Capital Fund Management S.A. | 28,331 | $1.28M | 0.01% | +28,331 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 28,504 | $1.28M | 0.01% | +49+0.2% | Added |
| KBC Group NV | 28,529 | $1.28M | 0.00% | −14,294−33.4% | Reduced |
| Pathstone Holdings, LLC | 29,971 | $1.35M | 0.01% | +2,148+7.7% | Added |
| Vanguard Investments Australia, Ltd. | 30,007 | $1.35M | 0.00% | +30,007 | New |
| Hanson & Doremus Investment Management | 30,069 | $1.35M | 0.16% | −555−1.8% | Reduced |
| Meeder Asset Management Inc | 30,139 | $1.36M | 0.08% | +11,589+62.5% | Added |
| Gsa Capital Partners LLP | 30,804 | $1.39M | 0.09% | +30,804 | New |
| Mirae Asset Global Investments Co., Ltd. | 30,845 | $1.39M | 0.00% | −3,383−9.9% | Reduced |
| Toroso Investments, LLC | 30,885 | $1.39M | 0.00% | +6,394+26.1% | Added |
| U.S. Capital Wealth Advisors, LLC | 31,386 | $1.41M | 0.04% | +31,386 | New |
| Captrust Financial Advisors | 32,503 | $1.46M | 0.00% | +908+2.9% | Added |
| Summit Trail Advisors, LLC | 32,813 | $1.48M | 0.02% | +15,617+90.8% | Added |
| Fifth Third Bancorp | 32,856 | $1.48M | 0.00% | +31,325+2,046.0% | Added |
| Worldquant Millennium Advisors LLC | 32,863 | $1.48M | 0.01% | +32,863 | New |
| Louisiana State Employees Retirement System | 33,000 | $1.49M | 0.03% | +1,500+4.8% | Added |
| Yousif Capital Management, LLC | 33,384 | $1.50M | 0.02% | −1,629−4.7% | Reduced |
| Arizona State Retirement System | 33,949 | $1.53M | 0.01% | −456−1.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 34,304 | $1.54M | 0.01% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 34,674 | $1.56M | 0.00% | −3,712−9.7% | Reduced |
| Handelsbanken Fonder AB | 35,676 | $1.61M | 0.01% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 35,678 | $1.61M | 0.10% | +35,678 | New |
| Capstone Capital Management Ltd | 35,808 | $1.61M | 1.62% | +35,808 | New |
| Quadrant Capital Group LLC | 35,851 | $1.61M | 0.05% | −298−0.8% | Reduced |
| State of Wisconsin Investment Board | 35,972 | $1.62M | 0.00% | +29,136+426.2% | Added |
| Bank of Montreal | 36,084 | $1.62M | 0.00% | +20,612+133.2% | Added |
| SummerHaven Investment Management, LLC | 36,418 | $1.64M | 1.01% | −2,236−5.8% | Reduced |
| Great Lakes Advisors, LLC | 36,986 | $1.67M | 0.01% | +36,986 | New |
| Soviero Asset Management, LP | 37,000 | $1.67M | 0.94% | −77,000−67.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 37,868 | $1.71M | 0.01% | −335,488−89.9% | Reduced |
| Havemeyer Place LP | 38,453 | $1.73M | 0.20% | +38,453 | New |
| Cookson Peirce & Co Inc | 39,030 | $1.76M | 0.07% | +1,640+4.4% | Added |
| IHT Wealth Management, LLC | 39,263 | $1.77M | 0.04% | +39,263 | New |
| UG Investment Advisers Ltd. | 39,326 | $1.77M | 1.20% | −31,663−44.6% | Reduced |
| Himension Fund | 40,451 | $1.82M | 0.14% | +40,451 | New |
| Wellington Grp LLC | 40,517 | $1.82M | 0.56% | +40,517 | New |
| Mercer Global Advisors Inc | 40,862 | $1.84M | 0.00% | +5,399+15.2% | Added |
| Artemis Wealth Advisors, LLC | 41,000 | $1.85M | 0.28% | +6,000+17.1% | Added |
| Virginia Retirement Systems Et Al | 41,824 | $1.88M | 0.01% | −4,500−9.7% | Reduced |
| Integrated Wealth Concepts LLC | 42,329 | $1.91M | 0.02% | +42,329 | New |
| State of Tennessee, Treasury Department | 42,637 | $1.92M | 0.01% | −8,864−17.2% | Reduced |
| Public Employees Retirement System of Ohio | 42,712 | $1.92M | 0.01% | +4,416+11.5% | Added |
| JustInvest LLC | 43,159 | $1.94M | 0.02% | +6,938+19.2% | Added |
| Mutual of America Capital Management LLC | 43,596 | $1.96M | 0.02% | −3,727−7.9% | Reduced |
| GF Fund Management Co. Ltd. | 43,738 | $1.97M | 0.03% | −79,576−64.5% | Reduced |
| Bridgefront Capital, LLC | 46,167 | $2.08M | 0.52% | +46,167 | New |
| State of New Jersey Common Pension Fund D | 46,603 | $2.10M | 0.01% | −23,676−33.7% | Reduced |
| CWM Advisors, LLC | 46,928 | $2.11M | 0.12% | +3,334+7.6% | Added |
| Axq Capital, LP | 47,368 | $2.13M | 0.27% | +26,588+127.9% | Added |
| Hancock Whitney Corp | 31,559 | $2.20M | 0.04% | +1,331+4.4% | Added |
| 1492 Capital Management LLC | 49,278 | $2.22M | 0.84% | −20,235−29.1% | Reduced |
| Vanguard Global Advisers, LLC | 49,394 | $2.22M | 0.00% | +49,394 | New |
| New York State Common Retirement Fund | 50,293 | $2.26M | 0.00% | +4,500+9.8% | Added |
| Fox Run Management, L.L.C. | 55,908 | $2.31M | 0.40% | +43,904+365.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 51,547 | $2.32M | 0.01% | +5,144+11.1% | Added |
| Edgestream Partners, L.P. | 51,731 | $2.33M | 0.08% | −44,142−46.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 52,484 | $2.36M | 0.02% | +2,954+6.0% | Added |
| Janus Henderson Group PLC | 53,023 | $2.39M | 0.00% | −5,300−9.1% | Reduced |
| Treasurer of the State of North Carolina | 53,183 | $2.40M | 0.01% | +5,328+11.1% | Added |
| Thrivent Financial for Lutherans | 54,090 | $2.44M | 0.00% | −1,165−2.1% | Reduced |
| Royal Bank of Canada | 54,122 | $2.44M | 0.00% | −41,309−43.3% | Reduced |
| Federation des caisses Desjardins du Quebec | 54,157 | $2.44M | 0.01% | +54,095+87,250.0% | Added |
| M&T Bank Corp | 54,726 | $2.46M | 0.01% | +4,218+8.4% | Added |