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 |
|---|---|---|---|---|---|
| UBS Asset Management Americas Inc | 276,498 | $10.9M | 0.00% | −11,788−4.1% | Reduced |
| Talos Asset Management LP | 280,400 | $11.1M | 1.96% | +280,400 | New |
| Light Street Capital Management, LLC | 287,895 | $11.4M | 1.75% | +287,895 | New |
| FMR LLC | 292,467 | $11.5M | 0.00% | −993,168−77.3% | Reduced |
| SEI Investments Co | 300,292 | $11.9M | 0.01% | +58,009+23.9% | Added |
| M&G Plc | 305,902 | $11.9M | 0.06% | −64,380−17.4% | Reduced |
| Rhumbline Advisers | 303,154 | $12.0M | 0.01% | −12,702−4.0% | Reduced |
| HRT Financial LP | 310,902 | $12.3M | 0.04% | +212,516+216.0% | Added |
| Raymond James Financial Inc | 324,224 | $12.8M | 0.00% | −4,569−1.4% | Reduced |
| Bank of America Corp | 324,244 | $12.8M | 0.00% | +36,817+12.8% | Added |
| JPMorgan Chase & Co | 336,888 | $13.3M | 0.00% | +116,363+52.8% | Added |
| Styrax Capital, LP | 337,908 | $13.3M | 1.02% | +337,908 | New |
| Jacobs Levy Equity Management, Inc | 373,356 | $14.7M | 0.06% | −106,494−22.2% | Reduced |
| Massachusetts Financial Services Co | 382,341 | $15.1M | 0.00% | −2,330−0.6% | Reduced |
| Ceredex Value Advisors LLC | 384,350 | $15.2M | 0.46% | −41,700−9.8% | Reduced |
| Baird Financial Group, Inc. | 385,715 | $15.2M | 0.02% | −7,507−1.9% | Reduced |
| Alliancebernstein L.P. | 390,540 | $15.4M | 0.00% | +95,804+32.5% | Added |
| Wellington Management Group LLP | 439,086 | $17.3M | 0.00% | −220,720−33.5% | Reduced |
| Royce & Associates LP | 452,029 | $17.8M | 0.18% | −209,712−31.7% | Reduced |
| Farallon Capital Management, L.L.C. | 464,000 | $18.3M | 0.10% | +464,000 | New |
| Ardmore Road Asset Management LP | 469,121 | $18.5M | 1.40% | +469,121 | New |
| Wells Fargo & Company | 485,936 | $19.2M | 0.00% | −12,263−2.5% | Reduced |
| Goldman Sachs Group Inc | 506,519 | $20.0M | 0.00% | −92,777−15.5% | Reduced |
| Two Sigma Investments, LP | 552,782 | $21.8M | 0.03% | +514,926+1,360.2% | Added |
| Bandera Partners LLC | 693,519 | $27.4M | 12.31% | −79,974−10.3% | Reduced |
| SG Americas Securities, LLC | 700,049 | $27.6M | 0.04% | +685,107+4,585.1% | Added |
| Nuveen, LLC | 702,565 | $27.7M | 0.01% | −33,102−4.5% | Reduced |
| Envestnet Asset Management Inc | 720,384 | $28.4M | 0.01% | −49,419−6.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 794,230 | $31.4M | 0.02% | −780,377−49.6% | Reduced |
| Northern Trust Corp | 895,040 | $35.3M | 0.00% | −19,832−2.2% | Reduced |
| Segall Bryant & Hamill, LLC | 897,637 | $35.4M | 0.48% | +328,755+57.8% | Added |
| Citadel Advisors LLC | 932,711 | $36.8M | 0.03% | +594,740+176.0% | Added |
| Bank of New York Mellon Corp | 966,992 | $38.2M | 0.01% | −376,827−28.0% | Reduced |
| Allianz Asset Management GmbH | 1,007,634 | $39.8M | 0.05% | +488,173+94.0% | Added |
| Invesco Ltd. | 1,115,588 | $44.0M | 0.00% | −114,343−9.3% | Reduced |
| Gotham Asset Management, LLC | 1,192,652 | $47.1M | 0.17% | −221,067−15.6% | Reduced |
| UBS Group AG | 1,254,658 | $49.5M | 0.01% | +843,983+205.5% | Added |
| Norges Bank | 1,360,226 | $53.7M | 0.01% | +1,360,226 | New |
| SW Investment Management LLC | 1,400,000 | $55.3M | 14.70% | −1,250,000−47.2% | Reduced |
| Morgan Stanley | 1,806,649 | $71.3M | 0.00% | +340,262+23.2% | Added |
| Fisher Asset Management, LLC | 2,095,027 | $82.7M | 0.03% | +1,407,109+204.5% | Added |
| Charles Schwab Investment Management Inc | 2,099,349 | $82.9M | 0.01% | −95,817−4.4% | Reduced |
| Principal Financial Group Inc | 2,199,115 | $86.8M | 0.04% | −69,725−3.1% | Reduced |
| Geode Capital Management, LLC | 2,232,211 | $88.1M | 0.01% | −47,220−2.1% | Reduced |
| Discovery Capital Management, LLC | 2,614,934 | $103.2M | 5.59% | +2,614,934 | New |
| First Trust Advisors LP | 2,722,310 | $107.5M | 0.08% | +740,701+37.4% | Added |
| LSV Asset Management | 2,820,062 | $111.3M | 0.24% | −1,161,294−29.2% | Reduced |
| Point72 Asset Management, L.P. | 3,064,101 | $121.0M | 0.19% | +2,895,298+1,715.2% | Added |
| AQR Capital Management LLC | 3,299,975 | $130.3M | 0.07% | −911,554−21.6% | Reduced |
| State Street Corp | 3,473,925 | $137.2M | 0.00% | +47,514+1.4% | Added |
| American Century Companies Inc | 3,576,888 | $141.2M | 0.07% | −259,099−6.8% | Reduced |
| Earnest Partners LLC | 3,792,424 | $149.7M | 0.64% | −413,929−9.8% | Reduced |
| Dimensional Fund Advisors LP | 12,772,891 | $504.3M | 0.11% | −378,319−2.9% | Reduced |
| BlackRock, Inc. | 12,922,945 | $510.2M | 0.01% | −911,865−6.6% | Reduced |
| Vanguard Group Inc | 15,704,172 | $620.0M | 0.01% | −75,675−0.5% | Reduced |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −343,000−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −232,062−100.0% | Sold out |
| DnB Asset Management AS | 0 | $0 | 0.00% | −139,666−100.0% | Sold out |
| Grandeur Peak Global Advisors, LLC | 0 | $0 | 0.00% | −79,850−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −74,889−100.0% | Sold out |
| Oppenheimer Asset Management Inc. | 0 | $0 | 0.00% | −68,005−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −67,844−100.0% | Sold out |
| Channing Capital Management, LLC | 0 | $0 | 0.00% | −65,941−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −48,600−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −46,826−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −42,772−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −42,191−100.0% | Sold out |
| Tredje AP-fonden | 0 | $0 | 0.00% | −42,003−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −22,608−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −19,077−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −18,684−100.0% | Sold out |
| 111 Capital | 0 | $0 | 0.00% | −18,050−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −17,389−100.0% | Sold out |
| Altfest L J & Co Inc | 0 | $0 | 0.00% | −16,913−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −16,695−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −16,103−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −14,039−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −11,611−100.0% | Sold out |
| Polymer Capital Management (HK) LTD | 0 | $0 | 0.00% | −10,896−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −9,229−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −9,110−100.0% | Sold out |
| Sender Co & Partners, Inc. | 0 | $0 | 0.00% | −9,068−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −8,932−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −8,043−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −7,068−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −6,655−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −3,400−100.0% | Sold out |
| Banque Cantonale Vaudoise | 0 | $0 | 0.00% | −911−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −689−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −502−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −156−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| S&T Bank | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Cloud Capital Management, LLC | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Activest Wealth Management | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Palisade Asset Management, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Hong Kong Ltd | – | – | – | – | Not filed |