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, Q4 2025
Institutional positions in Amkor Technology, Inc. as of Dec 31, 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
- 455
- +80 vs. Q3 2025
- Shares held
- 113.6M
- +6.54M (+6.1%) vs. Q3 2025
- Total value
- $4.49B
- +$1.45B (+47.7%) vs. Q3 2025
- New holders
- 123
- 122 more added
- Sold out
- 43
- 156 more reduced
8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 90,756 | $3.58M | 0.00% | −1,958−2.1% | Reduced |
| GHP Investment Advisors, Inc. | 89,802 | $3.55M | 0.15% | +2,931+3.4% | Added |
| Creative Planning | 85,270 | $3.37M | 0.00% | +33,114+63.5% | Added |
| Schonfeld Strategic Advisors LLC | 84,866 | $3.35M | 0.02% | +49,032+136.8% | Added |
| Natixis | 84,053 | $3.32M | 0.01% | +75,099+838.7% | Added |
| Exchange Traded Concepts, LLC | 83,706 | $3.30M | 0.03% | +83,706 | New |
| Weiss Asset Management LP | 82,516 | $3.26M | 0.05% | +82,516 | New |
| Engineers Gate Manager LP | 78,661 | $3.11M | 0.04% | −27,190−25.7% | Reduced |
| Bridgewater Associates, LP | 76,139 | $3.01M | 0.01% | +76,139 | New |
| Jackson Square Capital, LLC | 74,407 | $2.94M | 0.58% | +74,407 | New |
| Walleye Trading LLC | 73,597 | $2.91M | 0.05% | +73,597 | New |
| Great West Life Assurance Co | 73,172 | $2.89M | 0.01% | −41,187−36.0% | Reduced |
| Susquehanna International Group, LLP | 71,504 | $2.82M | 0.00% | −391,400−84.6% | Reduced |
| UG Investment Advisers Ltd. | 70,989 | $2.80M | 0.65% | −106,276−60.0% | Reduced |
| Andar Capital Management HK Ltd | 70,395 | $2.78M | 3.00% | +70,395 | New |
| LPL Financial LLC | 70,285 | $2.77M | 0.00% | −11,341−13.9% | Reduced |
| State of New Jersey Common Pension Fund D | 70,279 | $2.77M | 0.01% | +70,279 | New |
| Wealth Enhancement Advisory Services, LLC | 53,693 | $2.77M | 0.00% | −5,693−9.6% | Reduced |
| 1492 Capital Management LLC | 69,513 | $2.74M | 1.05% | −50,827−42.2% | Reduced |
| Philadelphia Trust Co | 66,400 | $2.62M | 0.18% | −10,000−13.1% | Reduced |
| Covea Finance | 65,200 | $2.57M | 0.08% | +65,200 | New |
| Jane Street Group, LLC | 63,343 | $2.50M | 0.00% | −313,539−83.2% | Reduced |
| State of Tennessee, Treasury Department | 51,501 | $2.49M | 0.01% | +8,407+19.5% | Added |
| Jackson Creek Investment Advisors LLC | 58,610 | $2.31M | 0.68% | +58,610 | New |
| Janus Henderson Group PLC | 58,323 | $2.30M | 0.00% | +7,900+15.7% | Added |
| Katamaran Capital LLP | 57,959 | $2.29M | 1.73% | +57,959 | New |
| Oliver Luxxe Assets LLC | 57,100 | $2.25M | 0.34% | +57,100 | New |
| Cambridge Investment Research Advisors, Inc. | 56,945 | $2.25M | 0.01% | +18,314+47.4% | Added |
| MetLife Investment Management | 55,569 | $2.19M | 0.01% | −2,871−4.9% | Reduced |
| State Board of Administration of Florida Retirement System | 55,561 | $2.19M | 0.00% | +7,950+16.7% | Added |
| Thrivent Financial for Lutherans | 55,255 | $2.18M | 0.00% | −4,205−7.1% | Reduced |
| Citigroup Inc | 55,077 | $2.17M | 0.00% | −975−1.7% | Reduced |
| Amalgamated Bank | 54,006 | $2.13M | 0.02% | +1,850+3.5% | Added |
| BNP Paribas Arbitrage, SA | 51,783 | $2.04M | 0.00% | +9,854+23.5% | Added |
| Itau Unibanco Holding S.A. | 50,000 | $2.02M | 0.05% | +50,000 | New |
| Silvercrest Asset Management Group LLC | 50,875 | $2.01M | 0.01% | −27,650−35.2% | Reduced |
| M&T Bank Corp | 50,508 | $1.99M | 0.01% | +1,857+3.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 49,530 | $1.96M | 0.02% | −213−0.4% | Reduced |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 48,698 | $1.92M | 0.28% | +48,698 | New |
| Treasurer of the State of North Carolina | 47,855 | $1.89M | 0.01% | −3,494−6.8% | Reduced |
| Mutual of America Capital Management LLC | 47,323 | $1.87M | 0.02% | −5,181−9.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 46,403 | $1.83M | 0.00% | +11,334+32.3% | Added |
| Virginia Retirement Systems Et Al | 46,324 | $1.83M | 0.01% | +2,600+5.9% | Added |
| New York State Common Retirement Fund | 45,793 | $1.81M | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 43,594 | $1.72M | 0.15% | +27,677+173.9% | Added |
| Yousif Capital Management, LLC | 35,013 | $1.72M | 0.02% | −670−1.9% | Reduced |
| Knights of Columbus Asset Advisors LLC | 42,878 | $1.69M | 0.10% | −24,674−36.5% | Reduced |
| Holocene Advisors, LP | 42,861 | $1.69M | 0.00% | −52,960−55.3% | Reduced |
| KBC Group NV | 42,823 | $1.69M | 0.00% | −5,999−12.3% | Reduced |
| Virtu Financial LLC | 42,017 | $1.66M | 0.06% | +32,491+341.1% | Added |
| Mariner, LLC | 40,898 | $1.61M | 0.00% | −57,002−58.2% | Reduced |
| SummerHaven Investment Management, LLC | 38,654 | $1.53M | 0.87% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 38,386 | $1.51M | 0.00% | −1,094−2.8% | Reduced |
| Public Employees Retirement System of Ohio | 38,296 | $1.51M | 0.00% | −1,558−3.9% | Reduced |
| Cookson Peirce & Co Inc | 37,390 | $1.48M | 0.06% | +37,390 | New |
| JustInvest LLC | 36,221 | $1.43M | 0.01% | +218+0.6% | Added |
| Quadrant Capital Group LLC | 36,149 | $1.43M | 0.04% | +5,050+16.2% | Added |
| Handelsbanken Fonder AB | 35,676 | $1.41M | 0.00% | −7,400−17.2% | Reduced |
| Mercer Global Advisors Inc | 35,463 | $1.40M | 0.00% | +472+1.3% | Added |
| Artemis Wealth Advisors, LLC | 35,000 | $1.38M | 0.23% | +35,000 | New |
| Arizona State Retirement System | 34,405 | $1.36M | 0.01% | −2,148−5.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 34,304 | $1.35M | 0.01% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 34,228 | $1.35M | 0.00% | +5,495+19.1% | Added |
| Qube Research & Technologies Ltd | 33,882 | $1.34M | 0.00% | +33,882 | New |
| Jump Financial, LLC | 33,362 | $1.32M | 0.02% | +33,362 | New |
| Man Group plc | 31,984 | $1.26M | 0.00% | +31,984 | New |
| Comerica Bank | 31,778 | $1.25M | 0.01% | −2,307−6.8% | Reduced |
| Captrust Financial Advisors | 31,595 | $1.25M | 0.00% | +490+1.6% | Added |
| Louisiana State Employees Retirement System | 31,500 | $1.24M | 0.02% | −100−0.3% | Reduced |
| Ethic Inc. | 31,001 | $1.22M | 0.02% | −411−1.3% | Reduced |
| Oasis Management Co Ltd. | 30,800 | $1.22M | 0.16% | +30,800 | New |
| Sciencast Management LP | 30,630 | $1.21M | 0.17% | −19,190−38.5% | Reduced |
| Hanson & Doremus Investment Management | 30,624 | $1.21M | 0.15% | −2,550−7.7% | Reduced |
| Hancock Whitney Corp | 30,228 | $1.19M | 0.02% | +30,228 | New |
| Prudential Financial Inc | 29,385 | $1.16M | 0.00% | −9,016−23.5% | Reduced |
| Zacks Investment Management | 28,718 | $1.13M | 0.01% | +28,718 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 28,455 | $1.12M | 0.01% | −722−2.5% | Reduced |
| Pathstone Holdings, LLC | 27,823 | $1.10M | 0.00% | −123−0.4% | Reduced |
| Easterly Investment Partners LLC | 27,049 | $1.07M | 0.07% | +6,000+28.5% | Added |
| State of Michigan Retirement System | 26,849 | $1.06M | 0.01% | −200−0.7% | Reduced |
| KLP Kapitalforvaltning AS | 26,500 | $1.05M | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 26,468 | $1.04M | 0.00% | +5,911+28.8% | Added |
| Lazard Asset Management LLC | 26,278 | $1.04M | 0.00% | −59−0.2% | Reduced |
| Foster & Motley Inc | 26,082 | $1.03M | 0.05% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 25,441 | $1.00M | 0.01% | +101+0.4% | Added |
| Sowell Financial Services LLC | 25,425 | $1.00M | 0.04% | +7,669+43.2% | Added |
| Toroso Investments, LLC | 24,491 | $966.9K | 0.00% | −1,389−5.4% | Reduced |
| Atlas Capital Advisors LLC | 24,471 | $966.1K | 0.11% | +24,471 | New |
| Sequoia Financial Advisors, LLC | 24,258 | $957.7K | 0.01% | +6,628+37.6% | Added |
| Deutsche Bank AG | 23,370 | $922.6K | 0.00% | +6,997+42.7% | Added |
| Brinker Capital Investments, LLC | 23,073 | $910.9K | 0.01% | −80.0% | Reduced |
| Pacer Advisors, Inc. | 22,836 | $901.6K | 0.00% | +2,098+10.1% | Added |
| Black Swift Group, LLC | 20,200 | $896.2K | 0.15% | +20,200 | New |
| Oregon Public Employees Retirement Fund | 22,694 | $896.0K | 0.01% | −200−0.9% | Reduced |
| Polymer Capital Management (US) LLC | 22,300 | $880.4K | 0.11% | +22,300 | New |
| Oak Thistle LLC | 22,134 | $873.9K | 0.12% | +22,134 | New |
| Intech Investment Management LLC | 22,065 | $871.1K | 0.01% | −2,591−10.5% | Reduced |
| Group One Trading, L.P. | 21,758 | $859.0K | 0.03% | −43,941−66.9% | Reduced |
| Sagewood Asset Management LP | 21,464 | $847.4K | 0.30% | +21,464 | New |
| Nomura Asset Management International Inc. | 21,400 | $845.0K | 0.00% | +21,400 | New |