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 |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 98,525 | $4.44M | 0.00% | +7,769+8.6% | Added |
| Franklin Resources Inc | 97,429 | $4.39M | 0.00% | −15,871−14.0% | Reduced |
| Walleye Trading LLC | 96,813 | $4.36M | 0.09% | +23,216+31.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 95,643 | $4.31M | 0.01% | −75,629−44.2% | Reduced |
| Victory Capital Management Inc | 83,335 | $3.75M | 0.00% | −13,204−13.7% | Reduced |
| Intech Investment Management LLC | 82,772 | $3.73M | 0.04% | +60,707+275.1% | Added |
| Assenagon Asset Management S.A. | 76,398 | $3.44M | 0.01% | +76,398 | New |
| HSBC Holdings PLC | 73,899 | $3.30M | 0.00% | −140,977−65.6% | Reduced |
| Jackson Square Capital, LLC | 73,050 | $3.29M | 0.69% | −1,357−1.8% | Reduced |
| Great West Life Assurance Co | 72,950 | $3.29M | 0.01% | −222−0.3% | Reduced |
| Los Angeles Capital Management LLC | 72,232 | $3.25M | 0.01% | +71,907+22,125.2% | Added |
| Philadelphia Trust Co | 66,400 | $2.99M | 0.21% | 00.0% | Unchanged |
| Mariner, LLC | 63,256 | $2.85M | 0.00% | +22,358+54.7% | Added |
| Prevail Innovative Wealth Advisors, LLC | 62,817 | $2.83M | 0.48% | +62,817 | New |
| Convergence Investment Partners, LLC | 62,207 | $2.80M | 0.46% | +62,207 | New |
| AnglePoint Asset Management Ltd | 61,600 | $2.77M | 1.96% | +61,600 | New |
| State Board of Administration of Florida Retirement System | 61,578 | $2.77M | 0.01% | +6,017+10.8% | Added |
| CI Private Wealth, LLC | 65,108 | $2.76M | 0.00% | −154,540−70.4% | Reduced |
| XTX Topco Ltd | 61,173 | $2.75M | 0.05% | +41,484+210.7% | Added |
| Amalgamated Bank | 60,301 | $2.71M | 0.02% | +6,295+11.7% | Added |
| Assetmark, Inc | 60,105 | $2.71M | 0.01% | +59,626+12,448.0% | Added |
| Diker Management LLC | 60,000 | $2.70M | 2.41% | +60,000 | New |
| Polymer Capital Management (US) LLC | 58,883 | $2.65M | 0.39% | +36,583+164.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 62,896 | $2.64M | 0.01% | +9,203+17.1% | Added |
| Mubadala Investment Co PJSC | 57,607 | $2.59M | 0.01% | −35,594−38.2% | Reduced |
| Oliver Luxxe Assets LLC | 56,830 | $2.56M | 0.38% | −270−0.5% | Reduced |
| TCW Group Inc | 56,720 | $2.55M | 0.02% | +56,720 | New |
| Cambridge Investment Research Advisors, Inc. | 56,535 | $2.55M | 0.01% | −410−0.7% | Reduced |
| Cetera Investment Advisers | 56,445 | $2.54M | 0.00% | +29,977+113.3% | Added |
| Oppenheimer Asset Management Inc. | 56,269 | $2.53M | 0.03% | +56,269 | New |
| MetLife Investment Management | 56,134 | $2.53M | 0.01% | +565+1.0% | Added |
| Jackson Creek Investment Advisors LLC | 55,544 | $2.50M | 0.74% | −3,066−5.2% | Reduced |
| Quadrature Capital Ltd | 54,737 | $2.46M | 0.03% | +54,737 | New |
| M&T Bank Corp | 54,726 | $2.46M | 0.01% | +4,218+8.4% | Added |
| Federation des caisses Desjardins du Quebec | 54,157 | $2.44M | 0.01% | +54,095+87,250.0% | Added |
| Royal Bank of Canada | 54,122 | $2.44M | 0.00% | −41,309−43.3% | Reduced |
| Thrivent Financial for Lutherans | 54,090 | $2.44M | 0.00% | −1,165−2.1% | Reduced |
| Treasurer of the State of North Carolina | 53,183 | $2.40M | 0.01% | +5,328+11.1% | Added |
| Janus Henderson Group PLC | 53,023 | $2.39M | 0.00% | −5,300−9.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 52,484 | $2.36M | 0.02% | +2,954+6.0% | Added |
| Edgestream Partners, L.P. | 51,731 | $2.33M | 0.08% | −44,142−46.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 51,547 | $2.32M | 0.01% | +5,144+11.1% | Added |
| Fox Run Management, L.L.C. | 55,908 | $2.31M | 0.40% | +43,904+365.7% | Added |
| New York State Common Retirement Fund | 50,293 | $2.26M | 0.00% | +4,500+9.8% | Added |
| Vanguard Global Advisers, LLC | 49,394 | $2.22M | 0.00% | +49,394 | New |
| 1492 Capital Management LLC | 49,278 | $2.22M | 0.84% | −20,235−29.1% | Reduced |
| Hancock Whitney Corp | 31,559 | $2.20M | 0.04% | +1,331+4.4% | Added |
| Axq Capital, LP | 47,368 | $2.13M | 0.27% | +26,588+127.9% | Added |
| CWM Advisors, LLC | 46,928 | $2.11M | 0.12% | +3,334+7.6% | Added |
| State of New Jersey Common Pension Fund D | 46,603 | $2.10M | 0.01% | −23,676−33.7% | Reduced |
| Bridgefront Capital, LLC | 46,167 | $2.08M | 0.52% | +46,167 | New |
| GF Fund Management Co. Ltd. | 43,738 | $1.97M | 0.03% | −79,576−64.5% | Reduced |
| Mutual of America Capital Management LLC | 43,596 | $1.96M | 0.02% | −3,727−7.9% | Reduced |
| JustInvest LLC | 43,159 | $1.94M | 0.02% | +6,938+19.2% | Added |
| Public Employees Retirement System of Ohio | 42,712 | $1.92M | 0.01% | +4,416+11.5% | Added |
| State of Tennessee, Treasury Department | 42,637 | $1.92M | 0.01% | −8,864−17.2% | Reduced |
| Integrated Wealth Concepts LLC | 42,329 | $1.91M | 0.02% | +42,329 | New |
| Virginia Retirement Systems Et Al | 41,824 | $1.88M | 0.01% | −4,500−9.7% | Reduced |
| Artemis Wealth Advisors, LLC | 41,000 | $1.85M | 0.28% | +6,000+17.1% | Added |
| Mercer Global Advisors Inc | 40,862 | $1.84M | 0.00% | +5,399+15.2% | Added |
| Wellington Grp LLC | 40,517 | $1.82M | 0.56% | +40,517 | New |
| Himension Fund | 40,451 | $1.82M | 0.14% | +40,451 | New |
| UG Investment Advisers Ltd. | 39,326 | $1.77M | 1.20% | −31,663−44.6% | Reduced |
| IHT Wealth Management, LLC | 39,263 | $1.77M | 0.04% | +39,263 | New |
| Cookson Peirce & Co Inc | 39,030 | $1.76M | 0.07% | +1,640+4.4% | Added |
| Havemeyer Place LP | 38,453 | $1.73M | 0.20% | +38,453 | New |
| Jacobs Levy Equity Management, Inc | 37,868 | $1.71M | 0.01% | −335,488−89.9% | Reduced |
| Soviero Asset Management, LP | 37,000 | $1.67M | 0.94% | −77,000−67.5% | Reduced |
| Great Lakes Advisors, LLC | 36,986 | $1.67M | 0.01% | +36,986 | New |
| SummerHaven Investment Management, LLC | 36,418 | $1.64M | 1.01% | −2,236−5.8% | Reduced |
| Bank of Montreal | 36,084 | $1.62M | 0.00% | +20,612+133.2% | Added |
| State of Wisconsin Investment Board | 35,972 | $1.62M | 0.00% | +29,136+426.2% | Added |
| Quadrant Capital Group LLC | 35,851 | $1.61M | 0.05% | −298−0.8% | Reduced |
| Capstone Capital Management Ltd | 35,808 | $1.61M | 1.62% | +35,808 | New |
| Landscape Capital Management, L.L.C. | 35,678 | $1.61M | 0.10% | +35,678 | New |
| Handelsbanken Fonder AB | 35,676 | $1.61M | 0.01% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 34,674 | $1.56M | 0.00% | −3,712−9.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 34,304 | $1.54M | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 33,949 | $1.53M | 0.01% | −456−1.3% | Reduced |
| Yousif Capital Management, LLC | 33,384 | $1.50M | 0.02% | −1,629−4.7% | Reduced |
| Louisiana State Employees Retirement System | 33,000 | $1.49M | 0.03% | +1,500+4.8% | Added |
| Worldquant Millennium Advisors LLC | 32,863 | $1.48M | 0.01% | +32,863 | New |
| Fifth Third Bancorp | 32,856 | $1.48M | 0.00% | +31,325+2,046.0% | Added |
| Summit Trail Advisors, LLC | 32,813 | $1.48M | 0.02% | +15,617+90.8% | Added |
| Captrust Financial Advisors | 32,503 | $1.46M | 0.00% | +908+2.9% | Added |
| U.S. Capital Wealth Advisors, LLC | 31,386 | $1.41M | 0.04% | +31,386 | New |
| Toroso Investments, LLC | 30,885 | $1.39M | 0.00% | +6,394+26.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 30,845 | $1.39M | 0.00% | −3,383−9.9% | Reduced |
| Gsa Capital Partners LLP | 30,804 | $1.39M | 0.09% | +30,804 | New |
| Meeder Asset Management Inc | 30,139 | $1.36M | 0.08% | +11,589+62.5% | Added |
| Hanson & Doremus Investment Management | 30,069 | $1.35M | 0.16% | −555−1.8% | Reduced |
| Vanguard Investments Australia, Ltd. | 30,007 | $1.35M | 0.00% | +30,007 | New |
| Pathstone Holdings, LLC | 29,971 | $1.35M | 0.01% | +2,148+7.7% | Added |
| KBC Group NV | 28,529 | $1.28M | 0.00% | −14,294−33.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 28,504 | $1.28M | 0.01% | +49+0.2% | Added |
| Capital Fund Management S.A. | 28,331 | $1.28M | 0.01% | +28,331 | New |
| Polianta Ltd | 27,900 | $1.26M | 0.17% | +27,900 | New |
| State of Michigan Retirement System | 27,349 | $1.23M | 0.01% | +500+1.9% | Added |
| Sowell Financial Services LLC | 27,276 | $1.23M | 0.05% | +1,851+7.3% | Added |
| KLP Kapitalforvaltning AS | 27,200 | $1.22M | 0.00% | +700+2.6% | Added |