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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 16,025,236 | $289.4M | 0.01% | +361,010+2.3% | Added |
| Dimensional Fund Advisors LP | 13,398,430 | $242.0M | 0.06% | +365,975+2.8% | Added |
| BlackRock, Inc. | 11,163,740 | $201.6M | 0.00% | +287,093+2.6% | Added |
| LSV Asset Management | 5,195,617 | $93.8M | 0.23% | −69,437−1.3% | Reduced |
| State Street Corp | 3,573,287 | $64.8M | 0.00% | −800.0% | Reduced |
| Alliancebernstein L.P. | 3,225,583 | $58.3M | 0.02% | −855,898−21.0% | Reduced |
| American Century Companies Inc | 2,937,593 | $53.1M | 0.03% | +228,591+8.4% | Added |
| SW Investment Management LLC | 2,650,000 | $47.9M | 14.97% | +1,250,000+89.3% | Added |
| AQR Capital Management LLC | 2,572,313 | $46.0M | 0.05% | +757,956+41.8% | Added |
| Earnest Partners LLC | 2,334,787 | $42.2M | 0.20% | +6,216+0.3% | Added |
| Geode Capital Management, LLC | 2,228,043 | $40.2M | 0.00% | +118,536+5.6% | Added |
| Charles Schwab Investment Management Inc | 2,092,078 | $37.8M | 0.01% | +85,805+4.3% | Added |
| Principal Financial Group Inc | 1,989,507 | $35.9M | 0.02% | +17,214+0.9% | Added |
| FMR LLC | 1,818,809 | $32.8M | 0.00% | +573,930+46.1% | Added |
| D. E. Shaw & Co., Inc. | 1,763,831 | $31.9M | 0.04% | +840,664+91.1% | Added |
| Bank of New York Mellon Corp | 1,470,154 | $26.6M | 0.01% | −135,735−8.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,426,515 | $25.8M | 0.10% | +751,730+111.4% | Added |
| Morgan Stanley | 1,403,386 | $25.3M | 0.00% | +101,028+7.8% | Added |
| Renaissance Technologies LLC | 1,369,700 | $24.7M | 0.04% | +998,000+268.5% | Added |
| Invesco Ltd. | 1,364,719 | $24.6M | 0.00% | +911,886+201.4% | Added |
| First Trust Advisors LP | 1,286,625 | $23.2M | 0.02% | −3,492,165−73.1% | Reduced |
| UG Investment Advisers Ltd. | 1,165,923 | $21.1M | 5.77% | +1,165,923 | New |
| Voloridge Investment Management, LLC | 1,127,423 | $20.4M | 0.08% | +943,303+512.3% | Added |
| Northern Trust Corp | 952,767 | $17.2M | 0.00% | +57,354+6.4% | Added |
| M&G Plc | 839,208 | $15.1M | 0.07% | +543,279+183.6% | Added |
| Norges Bank | 801,256 | $14.5M | 0.00% | −463,025−36.6% | Reduced |
| HRT Financial LP | 741,039 | $13.4M | 0.08% | +741,039 | New |
| Fisher Asset Management, LLC | 653,136 | $11.8M | 0.01% | +11,220+1.7% | Added |
| UBS Group AG | 648,550 | $11.7M | 0.00% | +144,785+28.7% | Added |
| Envestnet Asset Management Inc | 612,101 | $11.1M | 0.00% | +40,653+7.1% | Added |
| JPMorgan Chase & Co | 597,799 | $10.8M | 0.00% | +333,801+126.4% | Added |
| Royce & Associates LP | 564,709 | $10.2M | 0.11% | +138,161+32.4% | Added |
| Bank of America Corp | 552,497 | $9.98M | 0.00% | +363,342+192.1% | Added |
| Tredje AP-fonden | 533,550 | $9.64M | 0.09% | −118,450−18.2% | Reduced |
| Goldman Sachs Group Inc | 524,713 | $9.48M | 0.00% | +222,107+73.4% | Added |
| Wellington Management Group LLP | 476,992 | $8.61M | 0.00% | −1,052,356−68.8% | Reduced |
| Barclays PLC | 449,347 | $8.12M | 0.00% | +48,980+12.2% | Added |
| SEI Investments Co | 428,256 | $7.73M | 0.01% | −147,593−25.6% | Reduced |
| First Eagle Investment Management, LLC | 424,500 | $7.67M | 0.02% | −106,800−20.1% | Reduced |
| Wells Fargo & Company | 414,560 | $7.49M | 0.00% | +104,434+33.7% | Added |
| Baird Financial Group, Inc. | 396,094 | $7.15M | 0.01% | +8,512+2.2% | Added |
| Millennium Management LLC | 393,995 | $7.12M | 0.01% | +332,805+543.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 375,953 | $6.88M | 0.03% | +41,382+12.4% | Added |
| Twinbeech Capital LP | 362,205 | $6.54M | 0.12% | +346,171+2,159.0% | Added |
| UBS Asset Management Americas Inc | 334,547 | $6.04M | 0.00% | +27,511+9.0% | Added |
| Arrowstreet Capital, Limited Partnership | 318,403 | $5.75M | 0.00% | +304,377+2,170.1% | Added |
| Jump Financial, LLC | 318,364 | $5.75M | 0.09% | +299,364+1,575.6% | Added |
| Jane Street Group, LLC | 314,454 | $5.68M | 0.01% | +314,454 | New |
| Trexquant Investment LP | 310,562 | $5.61M | 0.07% | +188,684+154.8% | Added |
| Rhumbline Advisers | 307,752 | $5.56M | 0.01% | −1,391−0.4% | Reduced |
| Bandera Partners LLC | 304,853 | $5.51M | 1.98% | 00.0% | Unchanged |
| Colony Group, LLC | 303,549 | $5.48M | 0.01% | +55,156+22.2% | Added |
| Russell Investments Group, Ltd. | 285,820 | $5.16M | 0.01% | +112,465+64.9% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 281,028 | $5.08M | 0.01% | −43,774−13.5% | Reduced |
| BNP Paribas Arbitrage, SA | 279,502 | $5.05M | 0.00% | +231,566+483.1% | Added |
| Nuveen, LLC | 266,523 | $4.81M | 0.00% | +266,523 | New |
| Raymond James Financial Inc | 265,826 | $4.80M | 0.00% | +45,255+20.5% | Added |
| State of Alaska, Department of Revenue | 264,227 | $4.77M | 0.05% | +34,115+14.8% | Added |
| Robotti Robert | 246,827 | $4.46M | 0.89% | +30,990+14.4% | Added |
| Massachusetts Financial Services Co | 246,687 | $4.46M | 0.00% | +63,615+34.7% | Added |
| Citadel Advisors LLC | 243,721 | $4.40M | 0.00% | +6,569+2.8% | Added |
| Cerity Partners LLC | 239,308 | $4.32M | 0.01% | +49,820+26.3% | Added |
| Swiss National Bank | 215,000 | $3.88M | 0.00% | −3,100−1.4% | Reduced |
| Group One Trading, L.P. | 211,846 | $3.83M | 0.16% | +211,846 | New |
| Squarepoint Ops LLC | 194,396 | $3.51M | 0.01% | −478,914−71.1% | Reduced |
| Ameriprise Financial Inc | 186,314 | $3.37M | 0.00% | +50,862+37.5% | Added |
| Legal & General Group Plc | 181,600 | $3.28M | 0.00% | +5,246+3.0% | Added |
| Susquehanna International Group, LLP | 173,943 | $3.14M | 0.01% | +123,395+244.1% | Added |
| Citigroup Inc | 166,671 | $3.01M | 0.00% | +32,895+24.6% | Added |
| Allianz Asset Management GmbH | 161,744 | $2.92M | 0.00% | −138,976−46.2% | Reduced |
| Gotham Asset Management, LLC | 138,700 | $2.50M | 0.02% | −11,791−7.8% | Reduced |
| Quantbot Technologies LP | 138,287 | $2.50M | 0.08% | +138,287 | New |
| Retirement Systems of Alabama | 138,083 | $2.49M | 0.01% | +136+0.1% | Added |
| Two Sigma Investments, LP | 135,609 | $2.45M | 0.01% | +135,609 | New |
| Corebridge Financial, Inc. | 125,306 | $2.26M | 0.01% | −3,062−2.4% | Reduced |
| Victory Capital Management Inc | 122,106 | $2.21M | 0.00% | +69,004+129.9% | Added |
| Cinctive Capital Management LP | 116,586 | $2.11M | 0.17% | +116,586 | New |
| Segall Bryant & Hamill, LLC | 113,167 | $2.04M | 0.03% | −323−0.3% | Reduced |
| Great West Life Assurance Co | 105,912 | $1.92M | 0.00% | +15,831+17.6% | Added |
| Ambassador Advisors, LLC | 105,975 | $1.91M | 0.33% | +276+0.3% | Added |
| Macquarie Group Ltd | 103,388 | $1.87M | 0.00% | +788+0.8% | Added |
| Manufacturers Life Insurance Company, The | 102,847 | $1.86M | 0.00% | −563−0.5% | Reduced |
| California State Teachers Retirement System | 101,817 | $1.84M | 0.00% | −2,076−2.0% | Reduced |
| Alberta Investment Management Corp | 94,100 | $1.70M | 0.01% | 00.0% | Unchanged |
| GHP Investment Advisors, Inc. | 90,712 | $1.64M | 0.08% | −5,074−5.3% | Reduced |
| Illinois Municipal Retirement Fund | 90,633 | $1.64M | 0.02% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 89,107 | $1.61M | 0.00% | −407−0.5% | Reduced |
| Voya Investment Management LLC | 87,226 | $1.58M | 0.00% | +3,771+4.5% | Added |
| Engineers Gate Manager LP | 87,087 | $1.57M | 0.03% | +26,253+43.2% | Added |
| Davidson Kempner Capital Management LP | 82,746 | $1.50M | 0.02% | +82,746 | New |
| Parallax Volatility Advisers, L.P. | 81,507 | $1.47M | 0.05% | +51,678+173.2% | Added |
| ING Groep NV | 78,600 | $1.42M | 0.01% | +78,600 | New |
| Brevan Howard Capital Management LP | 78,038 | $1.41M | 0.04% | +78,038 | New |
| XTX Topco Ltd | 76,258 | $1.38M | 0.07% | +76,258 | New |
| Price T Rowe Associates Inc | 75,072 | $1.36M | 0.00% | −65,032−46.4% | Reduced |
| KBC Group NV | 71,579 | $1.29M | 0.00% | −32,291−31.1% | Reduced |
| Caption Management, LLC | 70,000 | $1.26M | 0.06% | +34,800+98.9% | Added |
| Prudential Financial Inc | 67,403 | $1.22M | 0.00% | −99,863−59.7% | Reduced |
| Verition Fund Management LLC | 64,826 | $1.17M | 0.01% | −30,399−31.9% | Reduced |
| Acadian Asset Management LLC | 63,837 | $1.15M | 0.00% | +63,837 | New |