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 2025
Institutional positions in Amkor Technology, Inc. as of Mar 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
- 347
- +15 vs. Q4 2024
- Shares held
- 108.7M
- −278.8K (−0.3%) vs. Q4 2024
- Total value
- $1.96B
- −$837.9M (−29.9%) vs. Q4 2024
- New holders
- 67
- 142 more added
- Sold out
- 52
- 95 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Leonteq Securities AG | 30,841 | $553.3K | 0.04% | +27,340+780.9% | Added |
| Marshall Wace, LLP | 31,717 | $572.8K | 0.00% | +4,000+14.4% | Added |
| Ieq Capital, LLC | 31,773 | $573.8K | 0.00% | −15,345−32.6% | Reduced |
| Louisiana State Employees Retirement System | 31,800 | $574.3K | 0.01% | +300+1.0% | Added |
| Arizona State Retirement System | 31,820 | $574.7K | 0.00% | −340−1.1% | Reduced |
| Vestcor Inc | 32,146 | $581.0K | 0.02% | +21+0.1% | Added |
| Oak Thistle LLC | 32,231 | $582.1K | 0.12% | +19,530+153.8% | Added |
| PEAK6 LLC | 32,717 | $590.9K | 0.02% | −29,506−47.4% | Reduced |
| Creative Planning | 33,259 | $600.6K | 0.00% | +6,672+25.1% | Added |
| IMC-Chicago, LLC | 33,345 | $602.2K | 0.02% | +19,112+134.3% | Added |
| Hanson & Doremus Investment Management | 34,041 | $615.0K | 0.09% | +5,466+19.1% | Added |
| Teachers Retirement System of the State of Kentucky | 34,304 | $619.0K | 0.01% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 35,857 | $647.6K | 0.02% | −179,668−83.4% | Reduced |
| Toroso Investments, LLC | 35,873 | $647.9K | 0.01% | +11,076+44.7% | Added |
| Mariner, LLC | 36,450 | $658.4K | 0.00% | +8,583+30.8% | Added |
| Comerica Bank | 36,569 | $660.4K | 0.00% | −180−0.5% | Reduced |
| New York State Common Retirement Fund | 36,793 | $664.5K | 0.00% | −8,000−17.9% | Reduced |
| Petrus Trust Company, LTA | 37,074 | $669.6K | 0.06% | +21,623+139.9% | Added |
| Oppenheimer Asset Management Inc. | 37,970 | $685.7K | 0.01% | +1,819+5.0% | Added |
| Yousif Capital Management, LLC | 38,521 | $695.7K | 0.01% | −845−2.1% | Reduced |
| Pathstone Holdings, LLC | 39,157 | $707.6K | 0.00% | −13,074−25.0% | Reduced |
| New York State Teachers Retirement System | 39,811 | $719.0K | 0.00% | +93+0.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 41,060 | $741.5K | 0.01% | 00.0% | Unchanged |
| Scientech Research LLC | 42,877 | $774.4K | 0.20% | +42,877 | New |
| LPL Financial LLC | 42,938 | $775.5K | 0.00% | −21,816−33.7% | Reduced |
| State of Tennessee, Treasury Department | 43,094 | $778.3K | 0.00% | 00.0% | Unchanged |
| Twin Tree Management, LP | 43,211 | $780.4K | 0.02% | +37,457+651.0% | Added |
| Federation des caisses Desjardins du Quebec | 45,307 | $818.2K | 0.00% | −6,590−12.7% | Reduced |
| Axq Capital, LP | 46,353 | $837.1K | 0.34% | +46,353 | New |
| CI Private Wealth, LLC | 46,505 | $839.9K | 0.00% | −12,172−20.7% | Reduced |
| Glenmede Trust Co NA | 47,258 | $853.5K | 0.00% | −3,996−7.8% | Reduced |
| State Board of Administration of Florida Retirement System | 50,591 | $913.7K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 50,423 | $923.0K | 0.00% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 51,424 | $928.7K | 0.01% | +51,424 | New |
| Treasurer of the State of North Carolina | 51,580 | $932.0K | 0.00% | +2,010+4.1% | Added |
| Amalgamated Bank | 52,768 | $953.0K | 0.01% | −1,304−2.4% | Reduced |
| M&T Bank Corp | 52,816 | $954.2K | 0.00% | +14,236+36.9% | Added |
| Silvercrest Asset Management Group LLC | 53,635 | $968.6K | 0.01% | +53,635 | New |
| Holocene Advisors, LP | 55,978 | $1.01M | 0.00% | +55,978 | New |
| Public Employees Retirement System of Ohio | 56,156 | $1.01M | 0.00% | −6,227−10.0% | Reduced |
| Winton Group Ltd | 56,979 | $1.03M | 0.06% | +24,883+77.5% | Added |
| Nissay Asset Management Corp | 58,097 | $1.05M | 0.01% | +5,250+9.9% | Added |
| Mutual of America Capital Management LLC | 58,391 | $1.05M | 0.01% | −1,537−2.6% | Reduced |
| SG Americas Securities, LLC | 59,266 | $1.07M | 0.00% | +40,676+218.8% | Added |
| Franklin Resources Inc | 59,343 | $1.07M | 0.00% | −14,105−19.2% | Reduced |
| Bridgeway Capital Management, LLC | 60,600 | $1.09M | 0.03% | −22,000−26.6% | Reduced |
| MetLife Investment Management | 62,985 | $1.14M | 0.01% | −954−1.5% | Reduced |
| Acadian Asset Management LLC | 63,837 | $1.15M | 0.00% | +63,837 | New |
| Verition Fund Management LLC | 64,826 | $1.17M | 0.01% | −30,399−31.9% | Reduced |
| Prudential Financial Inc | 67,403 | $1.22M | 0.00% | −99,863−59.7% | Reduced |
| Caption Management, LLC | 70,000 | $1.26M | 0.06% | +34,800+98.9% | Added |
| KBC Group NV | 71,579 | $1.29M | 0.00% | −32,291−31.1% | Reduced |
| Price T Rowe Associates Inc | 75,072 | $1.36M | 0.00% | −65,032−46.4% | Reduced |
| XTX Topco Ltd | 76,258 | $1.38M | 0.07% | +76,258 | New |
| Brevan Howard Capital Management LP | 78,038 | $1.41M | 0.04% | +78,038 | New |
| ING Groep NV | 78,600 | $1.42M | 0.01% | +78,600 | New |
| Parallax Volatility Advisers, L.P. | 81,507 | $1.47M | 0.05% | +51,678+173.2% | Added |
| Davidson Kempner Capital Management LP | 82,746 | $1.50M | 0.02% | +82,746 | New |
| Engineers Gate Manager LP | 87,087 | $1.57M | 0.03% | +26,253+43.2% | Added |
| Voya Investment Management LLC | 87,226 | $1.58M | 0.00% | +3,771+4.5% | Added |
| State of Wisconsin Investment Board | 89,107 | $1.61M | 0.00% | −407−0.5% | Reduced |
| Illinois Municipal Retirement Fund | 90,633 | $1.64M | 0.02% | 00.0% | Unchanged |
| GHP Investment Advisors, Inc. | 90,712 | $1.64M | 0.08% | −5,074−5.3% | Reduced |
| Alberta Investment Management Corp | 94,100 | $1.70M | 0.01% | 00.0% | Unchanged |
| California State Teachers Retirement System | 101,817 | $1.84M | 0.00% | −2,076−2.0% | Reduced |
| Manufacturers Life Insurance Company, The | 102,847 | $1.86M | 0.00% | −563−0.5% | Reduced |
| Macquarie Group Ltd | 103,388 | $1.87M | 0.00% | +788+0.8% | Added |
| Ambassador Advisors, LLC | 105,975 | $1.91M | 0.33% | +276+0.3% | Added |
| Great West Life Assurance Co | 105,912 | $1.92M | 0.00% | +15,831+17.6% | Added |
| Segall Bryant & Hamill, LLC | 113,167 | $2.04M | 0.03% | −323−0.3% | Reduced |
| Cinctive Capital Management LP | 116,586 | $2.11M | 0.17% | +116,586 | New |
| Victory Capital Management Inc | 122,106 | $2.21M | 0.00% | +69,004+129.9% | Added |
| Corebridge Financial, Inc. | 125,306 | $2.26M | 0.01% | −3,062−2.4% | Reduced |
| Two Sigma Investments, LP | 135,609 | $2.45M | 0.01% | +135,609 | New |
| Retirement Systems of Alabama | 138,083 | $2.49M | 0.01% | +136+0.1% | Added |
| Quantbot Technologies LP | 138,287 | $2.50M | 0.08% | +138,287 | New |
| Gotham Asset Management, LLC | 138,700 | $2.50M | 0.02% | −11,791−7.8% | Reduced |
| Allianz Asset Management GmbH | 161,744 | $2.92M | 0.00% | −138,976−46.2% | Reduced |
| Citigroup Inc | 166,671 | $3.01M | 0.00% | +32,895+24.6% | Added |
| Susquehanna International Group, LLP | 173,943 | $3.14M | 0.01% | +123,395+244.1% | Added |
| Legal & General Group Plc | 181,600 | $3.28M | 0.00% | +5,246+3.0% | Added |
| Ameriprise Financial Inc | 186,314 | $3.37M | 0.00% | +50,862+37.5% | Added |
| Squarepoint Ops LLC | 194,396 | $3.51M | 0.01% | −478,914−71.1% | Reduced |
| Group One Trading, L.P. | 211,846 | $3.83M | 0.16% | +211,846 | New |
| Swiss National Bank | 215,000 | $3.88M | 0.00% | −3,100−1.4% | Reduced |
| Cerity Partners LLC | 239,308 | $4.32M | 0.01% | +49,820+26.3% | Added |
| Citadel Advisors LLC | 243,721 | $4.40M | 0.00% | +6,569+2.8% | Added |
| Massachusetts Financial Services Co | 246,687 | $4.46M | 0.00% | +63,615+34.7% | Added |
| Robotti Robert | 246,827 | $4.46M | 0.89% | +30,990+14.4% | Added |
| State of Alaska, Department of Revenue | 264,227 | $4.77M | 0.05% | +34,115+14.8% | Added |
| Raymond James Financial Inc | 265,826 | $4.80M | 0.00% | +45,255+20.5% | Added |
| Nuveen, LLC | 266,523 | $4.81M | 0.00% | +266,523 | New |
| BNP Paribas Arbitrage, SA | 279,502 | $5.05M | 0.00% | +231,566+483.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 281,028 | $5.08M | 0.01% | −43,774−13.5% | Reduced |
| Russell Investments Group, Ltd. | 285,820 | $5.16M | 0.01% | +112,465+64.9% | Added |
| Colony Group, LLC | 303,549 | $5.48M | 0.01% | +55,156+22.2% | Added |
| Bandera Partners LLC | 304,853 | $5.51M | 1.98% | 00.0% | Unchanged |
| Rhumbline Advisers | 307,752 | $5.56M | 0.01% | −1,391−0.4% | Reduced |
| Trexquant Investment LP | 310,562 | $5.61M | 0.07% | +188,684+154.8% | Added |
| Jane Street Group, LLC | 314,454 | $5.68M | 0.01% | +314,454 | New |