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, Q2 2026
Institutional positions in Amkor Technology, Inc. as of Jun 30, 2026. 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
- 648
- +122 vs. Q1 2026
- Shares held
- 116.2M
- −4.98M (−4.1%) vs. Q1 2026
- Total value
- $9.95B
- +$4.52B (+83.2%) vs. Q1 2026
- New holders
- 171
- 217 more added
- Sold out
- 49
- 197 more reduced
7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Jupiter Topco LLC | 55,603 | $4.79M | 0.00% | +55,603 | New |
| Police & Firemen's Retirement System of New Jersey | 56,017 | $4.83M | 0.04% | +3,533+6.7% | Added |
| Weiss Asset Management LP | 57,720 | $4.98M | 0.06% | −242,280−80.8% | Reduced |
| SRS Capital Advisors, Inc. | 57,987 | $5.00M | 0.03% | +56,297+3,331.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 58,124 | $5.01M | 0.01% | +1,589+2.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 58,201 | $5.02M | 0.01% | +27,356+88.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 59,815 | $5.16M | 0.01% | +57,712+2,744.3% | Added |
| Diker Management LLC | 60,000 | $5.17M | 3.98% | 00.0% | Unchanged |
| XTX Topco Ltd | 62,657 | $5.40M | 0.07% | +1,484+2.4% | Added |
| Assetmark, Inc | 63,532 | $5.48M | 0.01% | +3,427+5.7% | Added |
| Philadelphia Trust Co | 63,900 | $5.51M | 0.35% | −2,500−3.8% | Reduced |
| Marex Group plc | 64,788 | $5.59M | 0.04% | +59,779+1,193.4% | Added |
| Los Angeles Capital Management LLC | 65,302 | $5.63M | 0.02% | −6,930−9.6% | Reduced |
| Cetera Investment Advisers | 65,631 | $5.66M | 0.01% | +9,186+16.3% | Added |
| Shannon River Fund Management LLC | 65,895 | $5.68M | 0.51% | +65,895 | New |
| Walleye Capital LLC | 66,051 | $5.70M | 0.03% | +66,051 | New |
| Victory Capital Management Inc | 66,443 | $5.73M | 0.00% | −16,892−20.3% | Reduced |
| Cantor Fitzgerald, L. P. | 67,257 | $5.80M | 0.11% | +67,257 | New |
| Clear Street Group Inc. | 68,264 | $5.89M | 0.02% | +68,264 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 71,290 | $6.15M | 0.01% | −24,353−25.5% | Reduced |
| Voleon Capital Management LP | 71,913 | $6.20M | 0.11% | +48,767+210.7% | Added |
| Great West Life Assurance Co | 73,124 | $6.30M | 0.01% | +174+0.2% | Added |
| Alliancebernstein L.P. | 145,189 | $6.54M | 0.00% | −205,117−58.6% | Reduced |
| Canada Pension Plan Investment Board | 80,300 | $6.92M | 0.00% | +80,300 | New |
| EULAV Asset Management | 83,963 | $7.24M | 0.23% | +83,963 | New |
| State Board of Administration of Florida Retirement System | 84,273 | $7.27M | 0.01% | +22,695+36.9% | Added |
| Intech Investment Management LLC | 88,847 | $7.66M | 0.07% | +6,075+7.3% | Added |
| Deutsche Bank AG | 89,323 | $7.70M | 0.00% | +62,225+229.6% | Added |
| HRT Financial LP | 93,078 | $8.03M | 0.01% | −406,521−81.4% | Reduced |
| Mariner, LLC | 93,487 | $8.06M | 0.01% | +30,231+47.8% | Added |
| Voya Investment Management LLC | 95,506 | $8.24M | 0.01% | +78,375+457.5% | Added |
| Manufacturers Life Insurance Company, The | 98,847 | $8.52M | 0.01% | +322+0.3% | Added |
| Ardmore Road Asset Management LP | 100,000 | $8.62M | 0.51% | +100,000 | New |
| Credit Agricole S A | 101,468 | $8.75M | 0.02% | −50,000−33.0% | Reduced |
| M&G Plc | 103,339 | $8.89M | 0.04% | −96,843−48.4% | Reduced |
| Amundi | 105,945 | $9.14M | 0.00% | −157,923−59.8% | Reduced |
| Tudor Investment Corp Et Al | 106,660 | $9.20M | 0.04% | −194,210−64.5% | Reduced |
| Quantinno Capital Management LP | 110,039 | $9.49M | 0.01% | +2,384+2.2% | Added |
| Toronto Dominion Bank | 114,991 | $9.92M | 0.02% | +114,991 | New |
| Citigroup Inc | 115,487 | $9.96M | 0.00% | −16,563−12.5% | Reduced |
| State of Alaska, Department of Revenue | 115,546 | $9.96M | 0.10% | −11,382−9.0% | Reduced |
| Retirement Systems of Alabama | 117,930 | $10.2M | 0.03% | −21,536−15.4% | Reduced |
| Vanguard Asset Management, Ltd | 118,147 | $10.2M | 0.01% | +6,255+5.6% | Added |
| Riposte Capital LLC | 120,000 | $10.3M | 3.51% | +120,000 | New |
| Allspring Global Investments Holdings, LLC | 129,737 | $10.4M | 0.02% | −203,163−61.0% | Reduced |
| Exchange Traded Concepts, LLC | 121,850 | $10.5M | 0.05% | +118,637+3,692.4% | Added |
| Convergence Investment Partners, LLC | 122,715 | $10.6M | 1.00% | +60,508+97.3% | Added |
| Assenagon Asset Management S.A. | 123,535 | $10.7M | 0.01% | +47,137+61.7% | Added |
| Ambassador Advisors, LLC | 126,921 | $10.9M | 1.34% | +126,921 | New |
| Creative Planning | 128,201 | $11.1M | 0.01% | +20,672+19.2% | Added |
| Cerity Partners LLC | 128,987 | $11.1M | 0.01% | +7,610+6.3% | Added |
| Group One Trading, L.P. | 129,334 | $11.2M | 0.32% | +129,334 | New |
| Acadian Asset Management LLC | 134,291 | $11.6M | 0.01% | −259,973−65.9% | Reduced |
| Banco Santander, S.A. | 134,778 | $11.6M | 0.07% | +134,778 | New |
| Treasurer of the State of North Carolina | 139,463 | $12.0M | 0.03% | +86,280+162.2% | Added |
| Walleye Trading LLC | 139,625 | $12.0M | 0.17% | +42,812+44.2% | Added |
| DLD Asset Management, LP | 140,000 | $12.1M | 0.98% | +140,000 | New |
| IMC-Chicago, LLC | 140,508 | $12.1M | 0.11% | +130,420+1,292.8% | Added |
| California State Teachers Retirement System | 143,682 | $12.4M | 0.01% | +504+0.4% | Added |
| Federated Hermes, Inc. | 145,017 | $12.5M | 0.02% | −11,509−7.4% | Reduced |
| Seven Grand Managers, LLC | 150,000 | $12.9M | 0.52% | −100,000−40.0% | Reduced |
| Jump Financial, LLC | 150,478 | $13.0M | 0.12% | +23,751+18.7% | Added |
| Susquehanna Fundamental Investments, LLC | 151,482 | $13.1M | 0.25% | +151,482 | New |
| Ieq Capital, LLC | 154,417 | $13.3M | 0.06% | +17,254+12.6% | Added |
| Jefferies Financial Group Inc. | 156,449 | $13.5M | 0.12% | +156,449 | New |
| CI Private Wealth, LLC | 158,037 | $13.6M | 0.02% | +92,929+142.7% | Added |
| Berkshire Capital Holdings Inc | 161,800 | $14.0M | 3.02% | +161,800 | New |
| Ameriprise Financial Inc | 161,884 | $14.0M | 0.00% | −15,387−8.7% | Reduced |
| Covea Finance | 162,655 | $14.0M | 0.44% | +45,900+39.3% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 163,526 | $14.0M | 0.04% | +35,593+27.8% | Added |
| Mackenzie Financial Corp | 165,625 | $14.3M | 0.01% | +159,560+2,630.8% | Added |
| Brevan Howard Capital Management LP | 174,482 | $14.7M | 0.21% | +151,873+671.7% | Added |
| Legal & General Group Plc | 171,077 | $14.8M | 0.00% | −161−0.1% | Reduced |
| Royce & Associates LP | 172,054 | $14.8M | 0.12% | −112,422−39.5% | Reduced |
| Thames Capital Management LLC | 177,301 | $15.3M | 1.26% | +177,301 | New |
| HSBC Holdings PLC | 180,061 | $15.4M | 0.01% | +106,162+143.7% | Added |
| Royal Bank of Canada | 189,205 | $16.3M | 0.00% | +135,083+249.6% | Added |
| BNP Paribas Arbitrage, SA | 193,436 | $16.7M | 0.01% | −95,062−33.0% | Reduced |
| Aristeia Capital LLC | 195,901 | $16.9M | 0.27% | +182,741+1,388.6% | Added |
| Storebrand Asset Management AS | 209,749 | $18.1M | 0.04% | +209,749 | New |
| Squarepoint Ops LLC | 209,868 | $18.1M | 0.04% | −756,923−78.3% | Reduced |
| Russell Investments Group, Ltd. | 215,924 | $18.6M | 0.02% | −184,210−46.0% | Reduced |
| Capital Fund Management S.A. | 221,979 | $19.1M | 0.14% | +193,648+683.5% | Added |
| Algert Global LLC | 234,812 | $20.2M | 0.24% | −13,788−5.5% | Reduced |
| Agf Management Ltd | 240,001 | $20.7M | 0.08% | +240,001 | New |
| Voloridge Investment Management, LLC | 243,141 | $21.0M | 0.09% | −818,698−77.1% | Reduced |
| Swiss National Bank | 248,600 | $21.4M | 0.01% | +4,100+1.7% | Added |
| Bank of America Corp | 265,073 | $22.9M | 0.00% | −8,468−3.1% | Reduced |
| Trexquant Investment LP | 269,554 | $23.2M | 0.14% | −796,630−74.7% | Reduced |
| Barclays PLC | 280,417 | $24.2M | 0.01% | +123,251+78.4% | Added |
| UBS Asset Management Americas Inc | 300,622 | $25.9M | 0.00% | +7,550+2.6% | Added |
| Man Group plc | 304,152 | $26.2M | 0.05% | −165,186−35.2% | Reduced |
| Jane Street Group, LLC | 307,694 | $26.5M | 0.02% | −2,022,126−86.8% | Reduced |
| Panagora Asset Management Inc | 309,415 | $26.7M | 0.08% | +301,271+3,699.3% | Added |
| Rhumbline Advisers | 315,669 | $27.2M | 0.02% | +1,053+0.3% | Added |
| Worldquant Millennium Advisors LLC | 322,697 | $27.8M | 0.10% | +289,834+881.9% | Added |
| Envestnet Asset Management Inc | 323,566 | $27.9M | 0.01% | −417,486−56.3% | Reduced |
| Segall Bryant & Hamill, LLC | 327,997 | $28.3M | 0.34% | −115,753−26.1% | Reduced |
| SEI Investments Co | 341,099 | $29.4M | 0.03% | −60,716−15.1% | Reduced |
| Massachusetts Financial Services Co | 361,075 | $31.1M | 0.01% | −5,718−1.6% | Reduced |