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 |
|---|---|---|---|---|---|
| Voya Investment Management LLC | 75,977 | $1.59M | 0.00% | −11,249−12.9% | Reduced |
| Jane Street Group, LLC | 71,690 | $1.50M | 0.00% | −242,764−77.2% | Reduced |
| Grandeur Peak Global Advisors, LLC | 71,000 | $1.49M | 0.18% | +71,000 | New |
| Hudson Bay Capital Management LP | 70,539 | $1.48M | 0.01% | +70,539 | New |
| Oppenheimer Asset Management Inc. | 68,678 | $1.44M | 0.02% | +30,708+80.9% | Added |
| Nissay Asset Management Corp | 66,101 | $1.39M | 0.01% | +8,004+13.8% | Added |
| Verition Fund Management LLC | 64,181 | $1.35M | 0.01% | −645−1.0% | Reduced |
| Acadian Asset Management LLC | 62,680 | $1.31M | 0.00% | −1,157−1.8% | Reduced |
| Royal Bank of Canada | 61,580 | $1.29M | 0.00% | +42,235+218.3% | Added |
| Bridgeway Capital Management, LLC | 60,600 | $1.27M | 0.03% | 00.0% | Unchanged |
| Franklin Resources Inc | 60,199 | $1.26M | 0.00% | +856+1.4% | Added |
| ExodusPoint Capital Management, LP | 60,161 | $1.26M | 0.02% | +60,161 | New |
| Public Employees Retirement System of Ohio | 57,430 | $1.21M | 0.00% | +1,274+2.3% | Added |
| Mutual of America Capital Management LLC | 56,516 | $1.19M | 0.01% | −1,875−3.2% | Reduced |
| Jump Financial, LLC | 54,490 | $1.14M | 0.01% | −263,874−82.9% | Reduced |
| Quantinno Capital Management LP | 54,483 | $1.14M | 0.00% | +26,083+91.8% | Added |
| Treasurer of the State of North Carolina | 53,351 | $1.12M | 0.00% | +1,771+3.4% | 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 |
| Meeder Asset Management Inc | 51,833 | $1.09M | 0.07% | +37,273+256.0% | Added |
| CI Private Wealth, LLC | 51,587 | $1.08M | 0.00% | +5,082+10.9% | Added |
| M&T Bank Corp | 51,337 | $1.08M | 0.00% | −1,479−2.8% | Reduced |
| XTX Topco Ltd | 51,321 | $1.08M | 0.04% | −24,937−32.7% | Reduced |
| Janus Henderson Group PLC | 50,423 | $1.06M | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 49,321 | $1.04M | 0.00% | −18,082−26.8% | Reduced |
| Group One Trading, L.P. | 49,026 | $1.03M | 0.03% | −162,820−76.9% | Reduced |
| Mirabella Financial Services LLP | 48,223 | $1.01M | 0.11% | +48,223 | New |
| State Board of Administration of Florida Retirement System | 47,611 | $999.4K | 0.00% | −2,980−5.9% | Reduced |
| KBC Group NV | 46,187 | $969.0K | 0.00% | −25,392−35.5% | Reduced |
| Virginia Retirement Systems Et Al | 46,124 | $968.1K | 0.01% | −5,300−10.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 43,467 | $912.4K | 0.01% | +2,407+5.9% | Added |
| State of Tennessee, Treasury Department | 43,094 | $904.5K | 0.00% | 00.0% | Unchanged |
| ISAM Funds (UK) Ltd | 41,095 | $862.6K | 0.19% | +41,095 | New |
| Wealth Enhancement Advisory Services, LLC | 38,676 | $859.8K | 0.00% | +17,713+84.5% | Added |
| South Dakota Investment Council | 40,593 | $852.0K | 0.02% | +10,603+35.4% | Added |
| New York State Teachers Retirement System | 39,811 | $836.0K | 0.00% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 37,889 | $795.3K | 0.01% | −632−1.6% | Reduced |
| JustInvest LLC | 37,212 | $781.1K | 0.01% | +9,935+36.4% | Added |
| New York State Common Retirement Fund | 36,793 | $772.3K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 36,490 | $765.9K | 0.00% | −79−0.2% | Reduced |
| Arizona State Retirement System | 36,050 | $756.7K | 0.00% | +4,230+13.3% | Added |
| Teachers Retirement System of the State of Kentucky | 34,304 | $720.0K | 0.01% | 00.0% | Unchanged |
| Hanson & Doremus Investment Management | 33,156 | $696.0K | 0.09% | −885−2.6% | Reduced |
| Creative Planning | 33,017 | $693.0K | 0.00% | −242−0.7% | Reduced |
| Ethic Inc. | 32,627 | $690.1K | 0.01% | +11,304+53.0% | Added |
| Louisiana State Employees Retirement System | 32,000 | $671.7K | 0.01% | +200+0.6% | Added |
| Quadrant Capital Group LLC | 31,484 | $660.9K | 0.02% | +30,605+3,481.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,447 | $639.1K | 0.00% | 00.0% | Unchanged |
| Bridgefront Capital, LLC | 30,435 | $638.8K | 0.17% | +30,435 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 29,199 | $612.9K | 0.00% | +2,080+7.7% | Added |
| Landscape Capital Management, L.L.C. | 29,193 | $612.8K | 0.05% | +9,235+46.3% | Added |
| Pathstone Holdings, LLC | 29,039 | $609.5K | 0.00% | −10,118−25.8% | Reduced |
| Two Sigma Investments, LP | 27,742 | $582.3K | 0.00% | −107,867−79.5% | Reduced |
| Foster & Motley Inc | 27,643 | $580.0K | 0.03% | −1,343−4.6% | Reduced |
| Handelsbanken Fonder AB | 27,576 | $579.0K | 0.00% | +11,700+73.7% | Added |
| State of Michigan Retirement System | 27,349 | $574.1K | 0.00% | +200+0.7% | Added |
| Thrivent Financial for Lutherans | 26,758 | $562.0K | 0.00% | +158+0.6% | Added |
| KLP Kapitalforvaltning AS | 26,500 | $556.2K | 0.00% | +4,300+19.4% | Added |
| Lazard Asset Management LLC | 26,337 | $551.0K | 0.00% | −328−1.2% | Reduced |
| Natixis | 25,920 | $544.1K | 0.00% | +25,920 | New |
| Guggenheim Capital LLC | 25,487 | $535.0K | 0.00% | −3,001−10.5% | Reduced |
| Horizon Investments, LLC | 25,487 | $535.0K | 0.01% | +25,487 | New |
| Northwestern Mutual Investment Management Company, LLC | 25,375 | $532.6K | 0.01% | +150+0.6% | Added |
| Toroso Investments, LLC | 25,241 | $529.8K | 0.00% | −10,632−29.6% | Reduced |
| Brinker Capital Investments, LLC | 24,736 | $519.2K | 0.00% | +13,514+120.4% | Added |
| Summit Trail Advisors, LLC | 24,352 | $511.1K | 0.01% | +24,352 | New |
| Oregon Public Employees Retirement Fund | 23,294 | $488.9K | 0.01% | +300+1.3% | Added |
| Scientech Research LLC | 22,422 | $470.6K | 0.12% | −20,455−47.7% | Reduced |
| Ameritas Investment Partners, Inc. | 22,065 | $463.1K | 0.01% | −673−3.0% | Reduced |
| ProShare Advisors LLC | 21,996 | $461.7K | 0.00% | +3,707+20.3% | Added |
| Sterling Capital Management LLC | 21,427 | $449.8K | 0.01% | +1,346+6.7% | Added |
| Captrust Financial Advisors | 21,159 | $444.1K | 0.00% | +7,774+58.1% | Added |
| Mercer Global Advisors Inc | 20,904 | $438.8K | 0.00% | +7,640+57.6% | Added |
| Connable Office Inc | 20,842 | $437.5K | 0.04% | +9,101+77.5% | Added |
| New Mexico Educational Retirement Board | 20,500 | $430.0K | 0.01% | 00.0% | Unchanged |
| Aristeia Capital LLC | 20,429 | $428.8K | 0.01% | +1,562+8.3% | Added |
| Global X Japan Co., Ltd. | 20,419 | $428.6K | 0.04% | −62−0.3% | Reduced |
| Brevan Howard Capital Management LP | 20,264 | $425.3K | 0.00% | −57,774−74.0% | Reduced |
| Mission Wealth Management, LP | 20,094 | $421.8K | 0.01% | +24+0.1% | Added |
| AXA S.A. | 20,083 | $421.5K | 0.00% | −9,982−33.2% | Reduced |
| Fifth Third Bancorp | 20,063 | $421.1K | 0.00% | +18,846+1,548.6% | Added |
| Wiley Bros.-Aintree Capital, LLC | 19,340 | $407.1K | 0.00% | +2,553+15.2% | Added |
| Teacher Retirement System of Texas | 18,676 | $392.0K | 0.00% | +2,451+15.1% | Added |
| CWM Advisors, LLC | 18,593 | $390.3K | 0.04% | −495−2.6% | Reduced |
| Ulland Investment Advisors, LLC | 17,760 | $373.0K | 0.28% | +3,580+25.2% | Added |
| Illinois Municipal Retirement Fund | 17,597 | $369.4K | 0.01% | −73,036−80.6% | Reduced |
| Callan Family Office, LLC | 17,248 | $362.0K | 0.01% | +17,248 | New |
| Ensign Peak Advisors, Inc | 17,230 | $361.7K | 0.00% | −12,700−42.4% | Reduced |
| HSBC Holdings PLC | 17,211 | $361.3K | 0.00% | −16−0.1% | Reduced |
| Pictet Asset Management Holding SA | 16,473 | $345.8K | 0.00% | +2,203+15.4% | Added |
| Westwood Holdings Group Inc. | 16,450 | $345.3K | 0.00% | −7,382−31.0% | Reduced |
| Bank of Montreal | 15,886 | $333.4K | 0.00% | −1,592−9.1% | Reduced |
| Walleye Capital LLC | 15,194 | $318.9K | 0.00% | +2,559+20.3% | Added |
| Sequoia Financial Advisors, LLC | 14,804 | $310.7K | 0.00% | +14,804 | New |
| Deutsche Bank AG | 14,547 | $305.3K | 0.00% | −6,882−32.1% | Reduced |
| Meeder Advisory Services, Inc. | 14,386 | $302.0K | 0.02% | +14,386 | New |
| Integrated Wealth Concepts LLC | 13,757 | $288.8K | 0.00% | +1,067+8.4% | Added |
| Chase Investment Counsel Corp | 13,595 | $285.0K | 0.09% | 00.0% | Unchanged |
| Simplex Trading, LLC | 13,554 | $284.0K | 0.01% | +13,554 | New |
| Pallas Capital Advisors LLC | 13,484 | $283.0K | 0.01% | +3,081+29.6% | Added |