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 2025
Institutional positions in Amkor Technology, Inc. as of Jun 30, 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
- 348
- +5 vs. Q1 2025
- Shares held
- 113.0M
- +4.32M (+4.0%) vs. Q1 2025
- Total value
- $2.37B
- +$409.5M (+20.9%) vs. Q1 2025
- New holders
- 55
- 140 more added
- Sold out
- 50
- 118 more reduced
4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,447 | $639.1K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 31,484 | $660.9K | 0.02% | +30,605+3,481.8% | Added |
| Louisiana State Employees Retirement System | 32,000 | $671.7K | 0.01% | +200+0.6% | Added |
| Ethic Inc. | 32,627 | $690.1K | 0.01% | +11,304+53.0% | Added |
| Creative Planning | 33,017 | $693.0K | 0.00% | −242−0.7% | Reduced |
| Hanson & Doremus Investment Management | 33,156 | $696.0K | 0.09% | −885−2.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 34,304 | $720.0K | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 36,050 | $756.7K | 0.00% | +4,230+13.3% | Added |
| Comerica Bank | 36,490 | $765.9K | 0.00% | −79−0.2% | Reduced |
| New York State Common Retirement Fund | 36,793 | $772.3K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 37,212 | $781.1K | 0.01% | +9,935+36.4% | Added |
| Yousif Capital Management, LLC | 37,889 | $795.3K | 0.01% | −632−1.6% | Reduced |
| New York State Teachers Retirement System | 39,811 | $836.0K | 0.00% | 00.0% | Unchanged |
| South Dakota Investment Council | 40,593 | $852.0K | 0.02% | +10,603+35.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 38,676 | $859.8K | 0.00% | +17,713+84.5% | Added |
| ISAM Funds (UK) Ltd | 41,095 | $862.6K | 0.19% | +41,095 | New |
| State of Tennessee, Treasury Department | 43,094 | $904.5K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 43,467 | $912.4K | 0.01% | +2,407+5.9% | Added |
| Virginia Retirement Systems Et Al | 46,124 | $968.1K | 0.01% | −5,300−10.3% | Reduced |
| KBC Group NV | 46,187 | $969.0K | 0.00% | −25,392−35.5% | Reduced |
| State Board of Administration of Florida Retirement System | 47,611 | $999.4K | 0.00% | −2,980−5.9% | Reduced |
| Mirabella Financial Services LLP | 48,223 | $1.01M | 0.11% | +48,223 | New |
| Group One Trading, L.P. | 49,026 | $1.03M | 0.03% | −162,820−76.9% | Reduced |
| Prudential Financial Inc | 49,321 | $1.04M | 0.00% | −18,082−26.8% | Reduced |
| Janus Henderson Group PLC | 50,423 | $1.06M | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 51,321 | $1.08M | 0.04% | −24,937−32.7% | Reduced |
| M&T Bank Corp | 51,337 | $1.08M | 0.00% | −1,479−2.8% | Reduced |
| CI Private Wealth, LLC | 51,587 | $1.08M | 0.00% | +5,082+10.9% | Added |
| Meeder Asset Management Inc | 51,833 | $1.09M | 0.07% | +37,273+256.0% | Added |
| Amalgamated Bank | 51,923 | $1.09M | 0.01% | −845−1.6% | Reduced |
| CWM, LLC | 51,940 | $1.09M | 0.00% | +23,914+85.3% | Added |
| Treasurer of the State of North Carolina | 53,351 | $1.12M | 0.00% | +1,771+3.4% | Added |
| Quantinno Capital Management LP | 54,483 | $1.14M | 0.00% | +26,083+91.8% | Added |
| Jump Financial, LLC | 54,490 | $1.14M | 0.01% | −263,874−82.9% | Reduced |
| Mutual of America Capital Management LLC | 56,516 | $1.19M | 0.01% | −1,875−3.2% | Reduced |
| Public Employees Retirement System of Ohio | 57,430 | $1.21M | 0.00% | +1,274+2.3% | Added |
| ExodusPoint Capital Management, LP | 60,161 | $1.26M | 0.02% | +60,161 | New |
| Franklin Resources Inc | 60,199 | $1.26M | 0.00% | +856+1.4% | Added |
| Bridgeway Capital Management, LLC | 60,600 | $1.27M | 0.03% | 00.0% | Unchanged |
| Royal Bank of Canada | 61,580 | $1.29M | 0.00% | +42,235+218.3% | Added |
| Acadian Asset Management LLC | 62,680 | $1.31M | 0.00% | −1,157−1.8% | Reduced |
| Verition Fund Management LLC | 64,181 | $1.35M | 0.01% | −645−1.0% | Reduced |
| Nissay Asset Management Corp | 66,101 | $1.39M | 0.01% | +8,004+13.8% | Added |
| Oppenheimer Asset Management Inc. | 68,678 | $1.44M | 0.02% | +30,708+80.9% | Added |
| Hudson Bay Capital Management LP | 70,539 | $1.48M | 0.01% | +70,539 | New |
| Grandeur Peak Global Advisors, LLC | 71,000 | $1.49M | 0.18% | +71,000 | New |
| Jane Street Group, LLC | 71,690 | $1.50M | 0.00% | −242,764−77.2% | Reduced |
| Voya Investment Management LLC | 75,977 | $1.59M | 0.00% | −11,249−12.9% | Reduced |
| Philadelphia Trust Co | 76,400 | $1.60M | 0.12% | +76,400 | New |
| Marshall Wace, LLP | 76,923 | $1.61M | 0.00% | +45,206+142.5% | Added |
| Price T Rowe Associates Inc | 77,088 | $1.62M | 0.00% | +2,016+2.7% | Added |
| Silvercrest Asset Management Group LLC | 78,745 | $1.65M | 0.01% | +25,110+46.8% | Added |
| Mariner, LLC | 80,178 | $1.68M | 0.00% | +43,728+120.0% | Added |
| Twin Tree Management, LP | 80,180 | $1.68M | 0.04% | +36,969+85.6% | Added |
| GHP Investment Advisors, Inc. | 82,893 | $1.74M | 0.08% | −7,819−8.6% | Reduced |
| Macquarie Group Ltd | 84,600 | $1.78M | 0.00% | −18,788−18.2% | Reduced |
| LPL Financial LLC | 90,242 | $1.89M | 0.00% | +47,304+110.2% | Added |
| Bank of Nova Scotia | 92,758 | $1.95M | 0.00% | +92,758 | New |
| Winton Group Ltd | 97,108 | $2.04M | 0.10% | +40,129+70.4% | Added |
| Manufacturers Life Insurance Company, The | 98,235 | $2.06M | 0.00% | −4,612−4.5% | Reduced |
| Segall Bryant & Hamill, LLC | 100,714 | $2.11M | 0.03% | −12,453−11.0% | Reduced |
| California State Teachers Retirement System | 102,776 | $2.16M | 0.00% | +959+0.9% | Added |
| Trexquant Investment LP | 104,290 | $2.19M | 0.02% | −206,272−66.4% | Reduced |
| State of Wisconsin Investment Board | 105,453 | $2.21M | 0.01% | +16,346+18.3% | Added |
| 1492 Capital Management LLC | 107,772 | $2.26M | 1.04% | +80,747+298.8% | Added |
| Great West Life Assurance Co | 110,552 | $2.32M | 0.00% | +4,640+4.4% | Added |
| Ieq Capital, LLC | 116,938 | $2.45M | 0.02% | +85,165+268.0% | Added |
| Caption Management, LLC | 118,334 | $2.48M | 0.23% | +48,334+69.0% | Added |
| Engineers Gate Manager LP | 123,293 | $2.59M | 0.03% | +36,206+41.6% | Added |
| Ambassador Advisors, LLC | 126,137 | $2.65M | 0.41% | +20,162+19.0% | Added |
| Barclays PLC | 130,679 | $2.74M | 0.00% | −318,668−70.9% | Reduced |
| Aquatic Capital Management LLC | 131,479 | $2.76M | 0.06% | +131,479 | New |
| Schonfeld Strategic Advisors LLC | 133,610 | $2.80M | 0.02% | +112,340+528.2% | Added |
| Retirement Systems of Alabama | 138,900 | $2.92M | 0.01% | +817+0.6% | Added |
| Granite Investment Partners, LLC | 152,515 | $3.20M | 0.16% | +152,515 | New |
| Federated Hermes, Inc. | 153,072 | $3.21M | 0.01% | +142,315+1,323.0% | Added |
| Victory Capital Management Inc | 154,549 | $3.24M | 0.00% | +32,443+26.6% | Added |
| Citigroup Inc | 163,994 | $3.44M | 0.00% | −2,677−1.6% | Reduced |
| Cerity Partners LLC | 181,872 | $3.82M | 0.01% | −57,436−24.0% | Reduced |
| Holocene Advisors, LP | 186,236 | $3.91M | 0.01% | +130,258+232.7% | Added |
| Robotti Robert | 191,747 | $4.02M | 0.75% | −55,080−22.3% | Reduced |
| Cubist Systematic Strategies, LLC | 195,609 | $4.11M | 0.04% | +195,609 | New |
| SEI Investments Co | 195,671 | $4.11M | 0.00% | −232,585−54.3% | Reduced |
| Legal & General Group Plc | 198,641 | $4.17M | 0.00% | +17,041+9.4% | Added |
| Jefferies Financial Group Inc. | 199,176 | $4.18M | 0.07% | +172,291+640.8% | Added |
| Ameriprise Financial Inc | 207,570 | $4.36M | 0.00% | +21,256+11.4% | Added |
| BNP Paribas Arbitrage, SA | 210,140 | $4.41M | 0.00% | −69,362−24.8% | Reduced |
| Nuveen, LLC | 210,872 | $4.43M | 0.00% | −55,651−20.9% | Reduced |
| HRT Financial LP | 220,195 | $4.62M | 0.02% | −520,844−70.3% | Reduced |
| Squarepoint Ops LLC | 229,734 | $4.82M | 0.01% | +35,338+18.2% | Added |
| Swiss National Bank | 236,000 | $4.95M | 0.00% | +21,000+9.8% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 242,332 | $5.09M | 0.01% | −38,696−13.8% | Reduced |
| Maxi Investments CY Ltd | 243,500 | $5.11M | 0.85% | +243,500 | New |
| Susquehanna International Group, LLP | 249,720 | $5.24M | 0.01% | +75,777+43.6% | Added |
| Alliancebernstein L.P. | 267,624 | $5.62M | 0.00% | −2,957,959−91.7% | Reduced |
| Twinbeech Capital LP | 268,971 | $5.65M | 0.13% | −93,234−25.7% | Reduced |
| Wellington Management Group LLP | 283,882 | $5.96M | 0.00% | −193,110−40.5% | Reduced |
| Raymond James Financial Inc | 316,104 | $6.64M | 0.00% | +50,278+18.9% | Added |
| Massachusetts Financial Services Co | 317,093 | $6.66M | 0.00% | +70,406+28.5% | Added |
| Rhumbline Advisers | 322,653 | $6.77M | 0.01% | +14,901+4.8% | Added |