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 |
|---|---|---|---|---|---|
| Sagewood Asset Management LP | 20,770 | $1.79M | 0.41% | −406−1.9% | Reduced |
| Ameritas Investment Partners, Inc. | 20,957 | $1.81M | 0.05% | 00.0% | Unchanged |
| Hanseatic Management Services Inc | 21,060 | $1.82M | 1.34% | +628+3.1% | Added |
| SummitTX Capital, L.P. | 21,381 | $1.84M | 0.05% | +21,381 | New |
| Foster & Motley Inc | 22,550 | $1.94M | 0.09% | −2,981−11.7% | Reduced |
| Caitong International Asset Management Co., Ltd | 22,666 | $1.95M | 0.27% | −3,499−13.4% | Reduced |
| GHP Investment Advisors, Inc. | 22,904 | $1.98M | 0.07% | −1,706−6.9% | Reduced |
| MML Investors Services, LLC | 23,347 | $2.01M | 0.00% | +23,347 | New |
| Circle Wealth Management, LLC | 23,364 | $2.01M | 0.03% | +4,661+24.9% | Added |
| Oregon Public Employees Retirement Fund | 23,594 | $2.03M | 0.02% | +200+0.9% | Added |
| New Mexico Educational Retirement Board | 23,600 | $2.04M | 0.05% | +3,100+15.1% | Added |
| Virtu Financial LLC | 23,600 | $2.04M | 0.06% | +12,323+109.3% | Added |
| Virtue Capital Management, LLC | 23,739 | $2.05M | 0.27% | +3,958+20.0% | Added |
| Pathstone Holdings, LLC | 23,781 | $2.05M | 0.01% | −6,190−20.7% | Reduced |
| KBC Group NV | 23,827 | $2.06M | 0.00% | −4,702−16.5% | Reduced |
| Ethic Inc. | 23,939 | $2.06M | 0.03% | −1,306−5.2% | Reduced |
| Clear Creek Financial Management, LLC | 24,304 | $2.10M | 0.13% | +4,946+25.6% | Added |
| Wiley Bros.-Aintree Capital, LLC | 13,494 | $2.10M | 0.01% | −1,560−10.4% | Reduced |
| Meeder Asset Management Inc | 24,388 | $2.10M | 0.11% | −5,751−19.1% | Reduced |
| Polianta Ltd | 24,500 | $2.11M | 0.26% | −3,400−12.2% | Reduced |
| CWM Advisors, LLC | 24,624 | $2.12M | 0.09% | −22,304−47.5% | Reduced |
| O'Neil Global Advisors, Inc. | 25,177 | $2.17M | 0.49% | +25,177 | New |
| Vident Advisory, LLC | 25,416 | $2.19M | 0.02% | −752−2.9% | Reduced |
| Tuttle Tactical Management | 25,480 | $2.20M | 1.48% | +25,480 | New |
| Northwestern Mutual Investment Management Company, LLC | 25,649 | $2.21M | 0.03% | +163+0.6% | Added |
| Atlas Capital Advisors LLC | 25,748 | $2.22M | 0.24% | +1,176+4.8% | Added |
| Kera Capital Partners, Inc. | 25,832 | $2.23M | 0.21% | +25,832 | New |
| Summit Trail Advisors, LLC | 26,072 | $2.25M | 0.03% | −6,741−20.5% | Reduced |
| State of Michigan Retirement System | 26,649 | $2.30M | 0.01% | −700−2.6% | Reduced |
| Polymer Capital Management (US) LLC | 26,726 | $2.30M | 0.34% | −32,157−54.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 27,297 | $2.35M | 0.01% | −1,207−4.2% | Reduced |
| Boothbay Fund Management, LLC | 28,067 | $2.42M | 0.05% | +20,884+290.7% | Added |
| KLP Kapitalforvaltning AS | 28,100 | $2.42M | 0.01% | +900+3.3% | Added |
| Sowell Financial Services LLC | 28,286 | $2.44M | 0.08% | +1,010+3.7% | Added |
| Hanson & Doremus Investment Management | 29,624 | $2.55M | 0.26% | −445−1.5% | Reduced |
| Fifth Third Bancorp | 29,690 | $2.56M | 0.00% | −3,166−9.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 30,890 | $2.66M | 0.05% | −84,972−73.3% | Reduced |
| Guggenheim Capital LLC | 30,952 | $2.67M | 0.02% | +6,022+24.2% | Added |
| Vanguard Investments Australia, Ltd. | 31,349 | $2.70M | 0.01% | +1,342+4.5% | Added |
| Hancock Whitney Corp | 31,561 | $2.72M | 0.05% | +20.0% | Added |
| Yousif Capital Management, LLC | 31,564 | $2.72M | 0.03% | −1,820−5.5% | Reduced |
| Louisiana State Employees Retirement System | 33,400 | $2.88M | 0.04% | +400+1.2% | Added |
| Teachers Retirement System of the State of Kentucky | 34,104 | $2.94M | 0.02% | −200−0.6% | Reduced |
| Arizona State Retirement System | 34,189 | $2.95M | 0.01% | +240+0.7% | Added |
| Rokos Capital Management LLP | 34,493 | $2.97M | 0.04% | −108,205−75.8% | Reduced |
| Oliver Luxxe Assets LLC | 34,586 | $2.98M | 0.44% | −22,244−39.1% | Reduced |
| Quadrant Capital Group LLC | 34,638 | $2.99M | 0.08% | −1,213−3.4% | Reduced |
| Virginia Retirement Systems Et Al | 34,724 | $2.99M | 0.02% | −7,100−17.0% | Reduced |
| Readystate Asset Management LP | 34,785 | $3.00M | 0.12% | +34,785 | New |
| Captrust Financial Advisors | 34,951 | $3.01M | 0.00% | +2,448+7.5% | Added |
| Sciencast Management LP | 35,247 | $3.04M | 0.63% | +35,247 | New |
| Horizon Investments, LLC | 35,526 | $3.06M | 0.03% | +9,848+38.4% | Added |
| New York State Teachers Retirement System | 35,612 | $3.07M | 0.01% | +938+2.7% | Added |
| Totem Point Management, LLC | 36,195 | $3.12M | 1.91% | +36,195 | New |
| SummerHaven Investment Management, LLC | 36,418 | $3.14M | 1.68% | 00.0% | Unchanged |
| Capula Management Ltd | 36,732 | $3.17M | 0.01% | +36,732 | New |
| Stifel Financial Corp | 36,925 | $3.18M | 0.00% | +30,794+502.3% | Added |
| NLB Skladi, upravljanje premozenja, d.o.o. | 37,057 | $3.20M | 0.12% | +37,057 | New |
| New Age Alpha Advisors, LLC | 37,206 | $3.21M | 0.14% | +23,084+163.5% | Added |
| JustInvest LLC | 37,534 | $3.24M | 0.03% | −5,625−13.0% | Reduced |
| EP Wealth Advisors, LLC | 37,835 | $3.26M | 0.01% | +30,500+415.8% | Added |
| Engineers Gate Manager LP | 37,955 | $3.27M | 0.04% | −110,606−74.5% | Reduced |
| Prudential Financial Inc | 38,225 | $3.30M | 0.00% | +12,655+49.5% | Added |
| Advisors Asset Management, Inc. | 38,277 | $3.30M | 0.05% | +26,378+221.7% | Added |
| IHT Wealth Management, LLC | 38,430 | $3.31M | 0.07% | −833−2.1% | Reduced |
| Bridgeway Capital Management, LLC | 38,700 | $3.34M | 0.06% | +38,700 | New |
| Union Bancaire Privee, UBP SA | 49,811 | $3.37M | 0.05% | +49,811 | New |
| Quadrature Capital Ltd | 39,864 | $3.44M | 0.03% | −14,873−27.2% | Reduced |
| State of New Jersey Common Pension Fund D | 40,064 | $3.45M | 0.01% | −6,539−14.0% | Reduced |
| Handelsbanken Fonder AB | 40,876 | $3.52M | 0.01% | +5,200+14.6% | Added |
| M & L Capital Management Ltd | 41,000 | $3.54M | 0.96% | +41,000 | New |
| Public Employees Retirement System of Ohio | 41,463 | $3.58M | 0.01% | −1,249−2.9% | Reduced |
| BOCHK Asset Management Ltd | 41,620 | $3.59M | 0.57% | +41,620 | New |
| Integrated Wealth Concepts LLC | 42,175 | $3.64M | 0.02% | −154−0.4% | Reduced |
| Mutual of America Capital Management LLC | 42,433 | $3.66M | 0.04% | −1,163−2.7% | Reduced |
| Rockefeller Capital Management L.P. | 42,438 | $3.66M | 0.01% | +39,932+1,593.5% | Added |
| Cookson Peirce & Co Inc | 43,458 | $3.75M | 0.12% | +4,428+11.3% | Added |
| 1492 Capital Management LLC | 43,781 | $3.78M | 1.11% | −5,497−11.2% | Reduced |
| Nomura Holdings Inc | 43,844 | $3.78M | 0.02% | +43,844 | New |
| State of Tennessee, Treasury Department | 44,265 | $3.82M | 0.01% | +1,628+3.8% | Added |
| Oppenheimer Asset Management Inc. | 46,872 | $4.04M | 0.04% | −9,397−16.7% | Reduced |
| AnglePoint Asset Management Ltd | 47,007 | $4.05M | 2.63% | −14,593−23.7% | Reduced |
| Jackson Square Capital, LLC | 48,185 | $4.15M | 0.58% | −24,865−34.0% | Reduced |
| Mercer Global Advisors Inc | 48,528 | $4.18M | 0.01% | +7,666+18.8% | Added |
| Simplex Trading, LLC | 49,051 | $4.23M | 0.11% | +49,051 | New |
| Axq Capital, LP | 49,359 | $4.26M | 0.46% | +1,991+4.2% | Added |
| Amalgamated Bank | 50,950 | $4.39M | 0.03% | −9,351−15.5% | Reduced |
| New York State Common Retirement Fund | 51,693 | $4.46M | 0.01% | +1,400+2.8% | Added |
| M&T Bank Corp | 51,954 | $4.48M | 0.01% | −2,772−5.1% | Reduced |
| Headlands Technologies LLC | 52,426 | $4.52M | 0.48% | +52,426 | New |
| National Bank of Canada | 52,688 | $4.54M | 0.00% | +52,688 | New |
| Bank of Montreal | 52,738 | $4.55M | 0.00% | +16,654+46.2% | Added |
| VMS Asset Management Limited | 53,049 | $4.57M | 1.45% | +53,049 | New |
| Wellington Grp LLC | 53,115 | $4.58M | 1.21% | +12,598+31.1% | Added |
| Vanguard Global Advisers, LLC | 53,303 | $4.60M | 0.00% | +3,909+7.9% | Added |
| Federation des caisses Desjardins du Quebec | 53,700 | $4.63M | 0.01% | −457−0.8% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 73,358 | $4.70M | 0.01% | +10,462+16.6% | Added |
| Thrivent Financial for Lutherans | 54,626 | $4.71M | 0.01% | +536+1.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 55,019 | $4.74M | 0.01% | +3,472+6.7% | Added |
| MetLife Investment Management | 55,071 | $4.75M | 0.02% | −1,063−1.9% | Reduced |