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, Q3 2025
Institutional positions in Amkor Technology, Inc. as of Sep 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
- 383
- +38 vs. Q2 2025
- Shares held
- 107.7M
- −4.40M (−3.9%) vs. Q2 2025
- Total value
- $3.06B
- +$702.7M (+29.9%) vs. Q2 2025
- New holders
- 77
- 125 more added
- Sold out
- 39
- 121 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AI-Squared Management Ltd | 64,800 | $1.84M | 1.92% | +64,800 | New |
| Wealth Enhancement Advisory Services, LLC | 59,386 | $1.77M | 0.00% | +20,710+53.5% | Added |
| Thrivent Financial for Lutherans | 59,460 | $1.69M | 0.00% | +32,702+122.2% | Added |
| MetLife Investment Management | 58,440 | $1.66M | 0.01% | +58,440 | New |
| Point72 Hong Kong Ltd | 57,772 | $1.64M | 0.08% | +50,873+737.4% | Added |
| Citigroup Inc | 56,052 | $1.59M | 0.00% | −107,942−65.8% | Reduced |
| CI Private Wealth, LLC | 53,819 | $1.53M | 0.00% | +2,232+4.3% | Added |
| Mutual of America Capital Management LLC | 52,504 | $1.49M | 0.02% | −4,012−7.1% | Reduced |
| Creative Planning | 52,156 | $1.48M | 0.00% | +19,139+58.0% | Added |
| Amalgamated Bank | 52,156 | $1.48M | 0.01% | +233+0.4% | Added |
| Meeder Asset Management Inc | 51,833 | $1.47M | 0.08% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 51,349 | $1.46M | 0.00% | −2,002−3.8% | Reduced |
| Janus Henderson Group PLC | 50,423 | $1.43M | 0.00% | 00.0% | Unchanged |
| Sciencast Management LP | 49,820 | $1.41M | 0.26% | +49,820 | New |
| Police & Firemen's Retirement System of New Jersey | 49,743 | $1.41M | 0.01% | +6,276+14.4% | Added |
| KBC Group NV | 48,822 | $1.39M | 0.00% | +2,635+5.7% | Added |
| M&T Bank Corp | 48,651 | $1.38M | 0.00% | −2,686−5.2% | Reduced |
| Macquarie Group Ltd | 48,600 | $1.38M | 0.00% | −36,000−42.6% | Reduced |
| SRS Capital Advisors, Inc. | 47,678 | $1.35M | 0.02% | +46,476+3,866.6% | Added |
| State Board of Administration of Florida Retirement System | 47,611 | $1.35M | 0.00% | 00.0% | Unchanged |
| Nomura Holdings Inc | 46,826 | $1.33M | 0.01% | +46,826 | New |
| New York State Common Retirement Fund | 45,793 | $1.30M | 0.00% | +9,000+24.5% | Added |
| Virginia Retirement Systems Et Al | 43,724 | $1.24M | 0.01% | −2,400−5.2% | Reduced |
| State of Tennessee, Treasury Department | 43,094 | $1.22M | 0.00% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 43,076 | $1.22M | 0.00% | +15,500+56.2% | Added |
| Winton Group Ltd | 42,772 | $1.21M | 0.05% | −54,336−56.0% | Reduced |
| Bridgefront Capital, LLC | 42,191 | $1.20M | 0.35% | +11,756+38.6% | Added |
| Tredje AP-fonden | 42,003 | $1.19M | 0.01% | −473,191−91.8% | Reduced |
| Wolverine Trading, LLC | 41,770 | $1.19M | 0.02% | +41,770 | New |
| BNP Paribas Arbitrage, SA | 41,929 | $1.19M | 0.00% | −168,211−80.0% | Reduced |
| Verition Fund Management LLC | 41,328 | $1.17M | 0.01% | −22,853−35.6% | Reduced |
| Public Employees Retirement System of Ohio | 39,854 | $1.13M | 0.00% | −17,576−30.6% | Reduced |
| New York State Teachers Retirement System | 39,480 | $1.12M | 0.00% | −331−0.8% | Reduced |
| SummerHaven Investment Management, LLC | 38,654 | $1.10M | 0.64% | +38,654 | New |
| Cambridge Investment Research Advisors, Inc. | 38,631 | $1.10M | 0.00% | +38,631 | New |
| Prudential Financial Inc | 38,401 | $1.09M | 0.00% | −10,920−22.1% | Reduced |
| Two Sigma Investments, LP | 37,856 | $1.08M | 0.00% | +10,114+36.5% | Added |
| Arizona State Retirement System | 36,553 | $1.04M | 0.01% | +503+1.4% | Added |
| JustInvest LLC | 36,003 | $1.02M | 0.01% | −1,209−3.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 35,834 | $1.02M | 0.01% | −97,776−73.2% | Reduced |
| Yousif Capital Management, LLC | 35,683 | $1.01M | 0.01% | −2,206−5.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 35,069 | $996.0K | 0.00% | +4,622+15.2% | Added |
| Mercer Global Advisors Inc | 34,991 | $993.7K | 0.00% | +14,087+67.4% | Added |
| Teachers Retirement System of the State of Kentucky | 34,304 | $974.0K | 0.01% | 00.0% | Unchanged |
| Comerica Bank | 34,085 | $968.0K | 0.00% | −2,405−6.6% | Reduced |
| Hanson & Doremus Investment Management | 33,174 | $942.0K | 0.12% | +18+0.1% | Added |
| Louisiana State Employees Retirement System | 31,600 | $897.4K | 0.02% | −400−1.3% | Reduced |
| Ethic Inc. | 31,412 | $892.1K | 0.01% | −1,215−3.7% | Reduced |
| Captrust Financial Advisors | 31,105 | $883.4K | 0.00% | +9,946+47.0% | Added |
| Quadrant Capital Group LLC | 31,099 | $883.2K | 0.03% | −385−1.2% | Reduced |
| Shay Capital LLC | 31,000 | $880.4K | 0.16% | +31,000 | New |
| XTX Topco Ltd | 30,275 | $859.8K | 0.04% | −21,046−41.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 29,177 | $828.6K | 0.00% | −22−0.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 28,733 | $816.0K | 0.00% | −365,957−92.7% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 27,981 | $794.6K | 0.12% | +16,974+154.2% | Added |
| Pathstone Holdings, LLC | 27,946 | $793.7K | 0.00% | −1,093−3.8% | Reduced |
| State of Michigan Retirement System | 27,049 | $768.2K | 0.00% | −300−1.1% | Reduced |
| KLP Kapitalforvaltning AS | 26,500 | $752.6K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 26,337 | $748.0K | 0.00% | 00.0% | Unchanged |
| Foster & Motley Inc | 26,082 | $741.0K | 0.04% | −1,561−5.6% | Reduced |
| Toroso Investments, LLC | 25,880 | $735.0K | 0.00% | +639+2.5% | Added |
| Northwestern Mutual Investment Management Company, LLC | 25,340 | $719.7K | 0.01% | −35−0.1% | Reduced |
| Guggenheim Capital LLC | 25,120 | $713.4K | 0.01% | −367−1.4% | Reduced |
| Intech Investment Management LLC | 24,656 | $700.2K | 0.01% | +24,656 | New |
| Horizon Investments, LLC | 23,797 | $675.8K | 0.01% | −1,690−6.6% | Reduced |
| Brinker Capital Investments, LLC | 23,081 | $655.5K | 0.01% | −1,655−6.7% | Reduced |
| Oregon Public Employees Retirement Fund | 22,894 | $650.2K | 0.01% | −400−1.7% | Reduced |
| Aristeia Capital LLC | 22,608 | $642.1K | 0.02% | +2,179+10.7% | Added |
| IMC-Chicago, LLC | 22,256 | $632.1K | 0.01% | +22,256 | New |
| Ameritas Investment Partners, Inc. | 21,311 | $605.2K | 0.02% | −754−3.4% | Reduced |
| Easterly Investment Partners LLC | 21,049 | $597.8K | 0.04% | +21,049 | New |
| Connable Office Inc | 20,842 | $591.9K | 0.05% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 20,837 | $591.8K | 0.01% | −590−2.8% | Reduced |
| Pacer Advisors, Inc. | 20,738 | $589.0K | 0.00% | +20,607+15,730.5% | Added |
| Moody National Bank Trust Division | 20,682 | $587.4K | 0.05% | +20,682 | New |
| Summit Trail Advisors, LLC | 20,626 | $585.8K | 0.01% | −3,726−15.3% | Reduced |
| Cetera Investment Advisers | 20,557 | $583.8K | 0.00% | +8,220+66.6% | Added |
| New Mexico Educational Retirement Board | 20,500 | $582.0K | 0.02% | 00.0% | Unchanged |
| Fortitude Advisory Group L.L.C. | 19,580 | $556.1K | 0.30% | +7,156+57.6% | Added |
| Trexquant Investment LP | 19,077 | $541.8K | 0.01% | −85,213−81.7% | Reduced |
| ProShare Advisors LLC | 18,915 | $537.2K | 0.00% | −3,081−14.0% | Reduced |
| AXA Investment Managers S.A. | 18,806 | $534.1K | 0.00% | +18,806 | New |
| Landscape Capital Management, L.L.C. | 18,684 | $530.6K | 0.03% | −10,509−36.0% | Reduced |
| Xponance, Inc. | 18,444 | $523.8K | 0.00% | +5,622+43.8% | Added |
| Wiley Bros.-Aintree Capital, LLC | 18,338 | $520.6K | 0.00% | −1,002−5.2% | Reduced |
| Ulland Investment Advisors, LLC | 18,260 | $519.0K | 0.39% | +500+2.8% | Added |
| Occudo Quantitative Strategies LP | 18,226 | $517.6K | 0.06% | +18,226 | New |
| Robotti Robert | 18,175 | $516.2K | 0.09% | −173,572−90.5% | Reduced |
| 111 Capital | 18,050 | $512.6K | 0.10% | +18,050 | New |
| Buckingham Strategic Partners | 15,201 | $509.8K | 0.01% | +15,201 | New |
| Mission Wealth Management, LP | 17,794 | $505.4K | 0.01% | −2,300−11.4% | Reduced |
| Sowell Financial Services LLC | 17,756 | $504.3K | 0.02% | +17,756 | New |
| Sequoia Financial Advisors, LLC | 17,630 | $500.7K | 0.00% | +2,826+19.1% | Added |
| Integrated Wealth Concepts LLC | 17,389 | $493.8K | 0.00% | +3,632+26.4% | Added |
| Pictet Asset Management Holding SA | 17,195 | $488.3K | 0.00% | +722+4.4% | Added |
| Massar Capital Management, LP | 16,950 | $481.4K | 0.17% | +16,950 | New |
| Altfest L J & Co Inc | 16,913 | $480.3K | 0.05% | +16,913 | New |
| DRW Securities, LLC | 16,695 | $470.7K | 0.02% | +16,695 | New |
| Deutsche Bank AG | 16,373 | $465.0K | 0.00% | +1,826+12.6% | Added |
| Teacher Retirement System of Texas | 16,103 | $457.3K | 0.00% | −2,573−13.8% | Reduced |