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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 15,704,172 | $620.0M | 0.01% | −75,675−0.5% | Reduced |
| BlackRock, Inc. | 12,922,945 | $510.2M | 0.01% | −911,865−6.6% | Reduced |
| Dimensional Fund Advisors LP | 12,772,891 | $504.3M | 0.11% | −378,319−2.9% | Reduced |
| Earnest Partners LLC | 3,792,424 | $149.7M | 0.64% | −413,929−9.8% | Reduced |
| American Century Companies Inc | 3,576,888 | $141.2M | 0.07% | −259,099−6.8% | Reduced |
| State Street Corp | 3,473,925 | $137.2M | 0.00% | +47,514+1.4% | Added |
| AQR Capital Management LLC | 3,299,975 | $130.3M | 0.07% | −911,554−21.6% | Reduced |
| Point72 Asset Management, L.P. | 3,064,101 | $121.0M | 0.19% | +2,895,298+1,715.2% | Added |
| LSV Asset Management | 2,820,062 | $111.3M | 0.24% | −1,161,294−29.2% | Reduced |
| First Trust Advisors LP | 2,722,310 | $107.5M | 0.08% | +740,701+37.4% | Added |
| Discovery Capital Management, LLC | 2,614,934 | $103.2M | 5.59% | +2,614,934 | New |
| Geode Capital Management, LLC | 2,232,211 | $88.1M | 0.01% | −47,220−2.1% | Reduced |
| Principal Financial Group Inc | 2,199,115 | $86.8M | 0.04% | −69,725−3.1% | Reduced |
| Charles Schwab Investment Management Inc | 2,099,349 | $82.9M | 0.01% | −95,817−4.4% | Reduced |
| Fisher Asset Management, LLC | 2,095,027 | $82.7M | 0.03% | +1,407,109+204.5% | Added |
| Morgan Stanley | 1,806,649 | $71.3M | 0.00% | +340,262+23.2% | Added |
| SW Investment Management LLC | 1,400,000 | $55.3M | 14.70% | −1,250,000−47.2% | Reduced |
| Norges Bank | 1,360,226 | $53.7M | 0.01% | +1,360,226 | New |
| UBS Group AG | 1,254,658 | $49.5M | 0.01% | +843,983+205.5% | Added |
| Gotham Asset Management, LLC | 1,192,652 | $47.1M | 0.17% | −221,067−15.6% | Reduced |
| Invesco Ltd. | 1,115,588 | $44.0M | 0.00% | −114,343−9.3% | Reduced |
| Allianz Asset Management GmbH | 1,007,634 | $39.8M | 0.05% | +488,173+94.0% | Added |
| Bank of New York Mellon Corp | 966,992 | $38.2M | 0.01% | −376,827−28.0% | Reduced |
| Citadel Advisors LLC | 932,711 | $36.8M | 0.03% | +594,740+176.0% | Added |
| Segall Bryant & Hamill, LLC | 897,637 | $35.4M | 0.48% | +328,755+57.8% | Added |
| Northern Trust Corp | 895,040 | $35.3M | 0.00% | −19,832−2.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 794,230 | $31.4M | 0.02% | −780,377−49.6% | Reduced |
| Envestnet Asset Management Inc | 720,384 | $28.4M | 0.01% | −49,419−6.4% | Reduced |
| Nuveen, LLC | 702,565 | $27.7M | 0.01% | −33,102−4.5% | Reduced |
| SG Americas Securities, LLC | 700,049 | $27.6M | 0.04% | +685,107+4,585.1% | Added |
| Bandera Partners LLC | 693,519 | $27.4M | 12.31% | −79,974−10.3% | Reduced |
| Two Sigma Investments, LP | 552,782 | $21.8M | 0.03% | +514,926+1,360.2% | Added |
| Goldman Sachs Group Inc | 506,519 | $20.0M | 0.00% | −92,777−15.5% | Reduced |
| Wells Fargo & Company | 485,936 | $19.2M | 0.00% | −12,263−2.5% | Reduced |
| Ardmore Road Asset Management LP | 469,121 | $18.5M | 1.40% | +469,121 | New |
| Farallon Capital Management, L.L.C. | 464,000 | $18.3M | 0.10% | +464,000 | New |
| Royce & Associates LP | 452,029 | $17.8M | 0.18% | −209,712−31.7% | Reduced |
| Wellington Management Group LLP | 439,086 | $17.3M | 0.00% | −220,720−33.5% | Reduced |
| Alliancebernstein L.P. | 390,540 | $15.4M | 0.00% | +95,804+32.5% | Added |
| Baird Financial Group, Inc. | 385,715 | $15.2M | 0.02% | −7,507−1.9% | Reduced |
| Ceredex Value Advisors LLC | 384,350 | $15.2M | 0.46% | −41,700−9.8% | Reduced |
| Massachusetts Financial Services Co | 382,341 | $15.1M | 0.00% | −2,330−0.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 373,356 | $14.7M | 0.06% | −106,494−22.2% | Reduced |
| Styrax Capital, LP | 337,908 | $13.3M | 1.02% | +337,908 | New |
| JPMorgan Chase & Co | 336,888 | $13.3M | 0.00% | +116,363+52.8% | Added |
| Bank of America Corp | 324,244 | $12.8M | 0.00% | +36,817+12.8% | Added |
| Raymond James Financial Inc | 324,224 | $12.8M | 0.00% | −4,569−1.4% | Reduced |
| HRT Financial LP | 310,902 | $12.3M | 0.04% | +212,516+216.0% | Added |
| Rhumbline Advisers | 303,154 | $12.0M | 0.01% | −12,702−4.0% | Reduced |
| M&G Plc | 305,902 | $11.9M | 0.06% | −64,380−17.4% | Reduced |
| SEI Investments Co | 300,292 | $11.9M | 0.01% | +58,009+23.9% | Added |
| FMR LLC | 292,467 | $11.5M | 0.00% | −993,168−77.3% | Reduced |
| Light Street Capital Management, LLC | 287,895 | $11.4M | 1.75% | +287,895 | New |
| Talos Asset Management LP | 280,400 | $11.1M | 1.96% | +280,400 | New |
| UBS Asset Management Americas Inc | 276,498 | $10.9M | 0.00% | −11,788−4.1% | Reduced |
| Fourier Capital Management Ltd | 258,802 | $10.2M | 10.86% | +258,802 | New |
| Swiss National Bank | 243,700 | $9.62M | 0.01% | +4,200+1.8% | Added |
| Millennium Management LLC | 236,152 | $9.32M | 0.01% | −504,254−68.1% | Reduced |
| Picton Mahoney Asset Management | 232,949 | $9.20M | 0.10% | +232,949 | New |
| Rokos Capital Management LLP | 224,972 | $8.89M | 0.13% | +224,972 | New |
| CI Private Wealth, LLC | 219,648 | $8.82M | 0.01% | +165,829+308.1% | Added |
| HSBC Holdings PLC | 214,876 | $8.59M | 0.00% | +200,369+1,381.2% | Added |
| Ameriprise Financial Inc | 215,721 | $8.52M | 0.00% | −400,790−65.0% | Reduced |
| Barclays PLC | 202,211 | $7.98M | 0.00% | +11,994+6.3% | Added |
| Acadian Asset Management LLC | 190,103 | $7.50M | 0.01% | +26,661+16.3% | Added |
| Legal & General Group Plc | 184,659 | $7.29M | 0.00% | −5,390−2.8% | Reduced |
| CastleKnight Management LP | 174,000 | $6.87M | 0.39% | +174,000 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 171,272 | $6.77M | 0.01% | −43,492−20.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 153,004 | $6.57M | 0.01% | −74,675−32.8% | Reduced |
| Occudo Quantitative Strategies LP | 165,840 | $6.55M | 0.44% | +147,614+809.9% | Added |
| Twinbeech Capital LP | 165,200 | $6.52M | 0.46% | +50,599+44.2% | Added |
| Walleye Capital LLC | 164,516 | $6.50M | 0.04% | +164,516 | New |
| Credit Agricole S A | 162,468 | $6.41M | 0.02% | +162,468 | New |
| D. E. Shaw & Co., Inc. | 154,786 | $6.11M | 0.00% | +35,886+30.2% | Added |
| Federated Hermes, Inc. | 153,637 | $6.07M | 0.01% | +797+0.5% | Added |
| EAM Investors, LLC | 147,016 | $5.80M | 0.65% | +147,016 | New |
| Ieq Capital, LLC | 139,558 | $5.51M | 0.02% | −80,050−36.5% | Reduced |
| Retirement Systems of Alabama | 136,468 | $5.39M | 0.02% | −984−0.7% | Reduced |
| Two Sigma Advisers, LP | 135,400 | $5.35M | 0.01% | +120,400+802.7% | Added |
| Ambassador Advisors, LLC | 132,020 | $5.21M | 0.76% | +3,557+2.8% | Added |
| Cerity Partners LLC | 131,646 | $5.20M | 0.01% | −6,416−4.6% | Reduced |
| Russell Investments Group, Ltd. | 131,450 | $5.19M | 0.01% | −6,921−5.0% | Reduced |
| Price T Rowe Associates Inc | 130,970 | $5.17M | 0.00% | +50,015+61.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 128,423 | $5.07M | 0.01% | +122,097+1,930.1% | Added |
| State of Alaska, Department of Revenue | 126,843 | $5.01M | 0.05% | −25,910−17.0% | Reduced |
| Balyasny Asset Management LLC | 124,447 | $4.91M | 0.01% | +124,447 | New |
| GF Fund Management Co. Ltd. | 123,314 | $4.87M | 0.08% | +123,314 | New |
| California State Teachers Retirement System | 117,973 | $4.66M | 0.00% | +1,650+1.4% | Added |
| Twin Tree Management, LP | 117,361 | $4.63M | 0.47% | +34,475+41.6% | Added |
| Soviero Asset Management, LP | 114,000 | $4.50M | 2.35% | +9,000+8.6% | Added |
| Franklin Resources Inc | 113,300 | $4.47M | 0.00% | +109,073+2,580.4% | Added |
| ExodusPoint Capital Management, LP | 110,325 | $4.36M | 0.05% | −81,759−42.6% | Reduced |
| Kingsview Wealth Management, LLC | 103,407 | $4.08M | 0.06% | +103,407 | New |
| AI-Squared Management Ltd | 98,200 | $3.88M | 4.50% | +33,400+51.5% | Added |
| CWM, LLC | 97,174 | $3.84M | 0.01% | +74+0.1% | Added |
| Victory Capital Management Inc | 96,539 | $3.81M | 0.00% | −29,589−23.5% | Reduced |
| Edgestream Partners, L.P. | 95,873 | $3.79M | 0.11% | −1,205−1.2% | Reduced |
| Royal Bank of Canada | 95,431 | $3.77M | 0.00% | +13,345+16.3% | Added |
| Quantinno Capital Management LP | 94,664 | $3.74M | 0.01% | +23,481+33.0% | Added |
| Mubadala Investment Co PJSC | 93,201 | $3.68M | 0.02% | +93,201 | New |