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, Q4 2025
Institutional positions in Amkor Technology, Inc. as of Dec 31, 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
- 455
- +80 vs. Q3 2025
- Shares held
- 113.6M
- +6.54M (+6.1%) vs. Q3 2025
- Total value
- $4.49B
- +$1.45B (+47.7%) vs. Q3 2025
- New holders
- 123
- 122 more added
- Sold out
- 43
- 156 more reduced
8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisors Asset Management, Inc. | 10,442 | $412.3K | 0.01% | +8,079+341.9% | Added |
| Bleakley Financial Group, LLC | 10,611 | $418.9K | 0.01% | +10,611 | New |
| Highland Capital Management, LLC | 10,682 | $421.7K | 0.02% | +10,682 | New |
| Claret Asset Management Corp | 10,820 | $427.0K | 0.05% | −25−0.2% | Reduced |
| Northwest & Ethical Investments L.P. | 10,600 | $428.2K | 0.01% | +10,600 | New |
| Vident Advisory, LLC | 10,878 | $429.5K | 0.00% | +307+2.9% | Added |
| Williams & Novak, LLC | 10,958 | $432.6K | 0.33% | −68−0.6% | Reduced |
| Leuthold Group, LLC | 11,104 | $438.4K | 0.05% | +123+1.1% | Added |
| Paragon Capital Management Ltd | 11,163 | $440.7K | 0.09% | +23+0.2% | Added |
| Watershed Asset Management, L.L.C. | 11,402 | $450.2K | 0.42% | +11,402 | New |
| J. Safra Sarasin Holding AG | 11,534 | $455.4K | 0.01% | +11,534 | New |
| Fox Run Management, L.L.C. | 12,004 | $473.9K | 0.07% | +12,004 | New |
| Savant Capital, LLC | 12,008 | $474.1K | 0.00% | +1,649+15.9% | Added |
| Vise Technologies, Inc. | 12,214 | $482.2K | 0.01% | +2,046+20.1% | Added |
| Integrated Investment Consultants, LLC | 12,370 | $488.4K | 0.10% | −7−0.1% | Reduced |
| Impact Partnership Wealth, LLC | 12,658 | $499.7K | 0.06% | +5,567+78.5% | Added |
| Wedmont Private Capital | 9,735 | $513.2K | 0.02% | +606+6.6% | Added |
| Nkcfo LLC | 13,100 | $517.0K | 0.15% | +13,100 | New |
| Merit Financial Group, LLC | 13,154 | $519.3K | 0.00% | −183−1.4% | Reduced |
| Natixis Advisors, L.P. | 13,201 | $521.0K | 0.00% | +13,201 | New |
| DGS Capital Management, LLC | 13,317 | $525.8K | 0.09% | +864+6.9% | Added |
| Clear Creek Financial Management, LLC | 13,492 | $532.7K | 0.04% | +13,492 | New |
| Chase Investment Counsel Corp | 13,595 | $536.0K | 0.15% | 00.0% | Unchanged |
| Mission Wealth Management, LP | 13,647 | $538.8K | 0.01% | −4,147−23.3% | Reduced |
| Pallas Capital Advisors LLC | 13,903 | $548.9K | 0.02% | +26+0.2% | Added |
| Massar Capital Management, LP | 13,956 | $551.0K | 0.11% | −2,994−17.7% | Reduced |
| Ulland Investment Advisors, LLC | 14,210 | $561.0K | 0.45% | −4,050−22.2% | Reduced |
| New Age Alpha Advisors, LLC | 14,442 | $570.2K | 0.02% | +14,442 | New |
| Meeder Advisory Services, Inc. | 14,522 | $573.3K | 0.02% | +302+2.1% | Added |
| Xponance, Inc. | 14,889 | $587.8K | 0.00% | −3,555−19.3% | Reduced |
| Mirabella Financial Services LLP | 15,058 | $594.5K | 0.06% | +15,058 | New |
| Bank of Montreal | 15,472 | $610.8K | 0.00% | −419−2.6% | Reduced |
| Brevan Howard Capital Management LP | 15,965 | $642.4K | 0.01% | +15,965 | New |
| Moody National Bank Trust Division | 16,615 | $656.0K | 0.06% | −4,067−19.7% | Reduced |
| Lotus Technology Management, LP | 16,949 | $669.1K | 0.37% | +16,949 | New |
| Summit Trail Advisors, LLC | 17,196 | $678.9K | 0.01% | −3,430−16.6% | Reduced |
| Robotti Robert | 17,395 | $686.8K | 0.12% | −780−4.3% | Reduced |
| Callan Family Office, LLC | 17,479 | $690.1K | 0.01% | +6,090+53.5% | Added |
| Meeder Asset Management Inc | 18,550 | $732.4K | 0.04% | −33,283−64.2% | Reduced |
| Diversified Trust Co | 18,556 | $732.6K | 0.01% | +6,838+58.4% | Added |
| Pictet Asset Management Holding SA | 18,825 | $743.2K | 0.00% | +1,630+9.5% | Added |
| Horizon Investments, LLC | 19,022 | $751.0K | 0.01% | −4,775−20.1% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 19,354 | $764.1K | 0.00% | +1,016+5.5% | Added |
| Connable Office Inc | 19,499 | $769.8K | 0.07% | −1,343−6.4% | Reduced |
| Fortitude Advisory Group L.L.C. | 19,606 | $774.0K | 0.33% | +26+0.1% | Added |
| XTX Topco Ltd | 19,689 | $777.3K | 0.02% | −10,586−35.0% | Reduced |
| New Mexico Educational Retirement Board | 20,500 | $809.0K | 0.02% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 20,508 | $809.7K | 0.01% | −4,612−18.4% | Reduced |
| Sterling Capital Management LLC | 20,532 | $810.6K | 0.01% | −305−1.5% | Reduced |
| ProShare Advisors LLC | 20,543 | $811.0K | 0.00% | +1,628+8.6% | Added |
| Axq Capital, LP | 20,780 | $820.4K | 0.19% | +20,780 | New |
| Ameritas Investment Partners, Inc. | 20,839 | $822.7K | 0.03% | −472−2.2% | Reduced |
| IMC-Chicago, LLC | 21,138 | $834.5K | 0.01% | −1,118−5.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 21,264 | $839.5K | 0.00% | +21,264 | New |
| Jefferies Financial Group Inc. | 21,313 | $841.4K | 0.01% | +21,313 | New |
| Nomura Asset Management International Inc. | 21,400 | $845.0K | 0.00% | +21,400 | New |
| Sagewood Asset Management LP | 21,464 | $847.4K | 0.30% | +21,464 | New |
| Group One Trading, L.P. | 21,758 | $859.0K | 0.03% | −43,941−66.9% | Reduced |
| Intech Investment Management LLC | 22,065 | $871.1K | 0.01% | −2,591−10.5% | Reduced |
| Oak Thistle LLC | 22,134 | $873.9K | 0.12% | +22,134 | New |
| Polymer Capital Management (US) LLC | 22,300 | $880.4K | 0.11% | +22,300 | New |
| Oregon Public Employees Retirement Fund | 22,694 | $896.0K | 0.01% | −200−0.9% | Reduced |
| Black Swift Group, LLC | 20,200 | $896.2K | 0.15% | +20,200 | New |
| Pacer Advisors, Inc. | 22,836 | $901.6K | 0.00% | +2,098+10.1% | Added |
| Brinker Capital Investments, LLC | 23,073 | $910.9K | 0.01% | −80.0% | Reduced |
| Deutsche Bank AG | 23,370 | $922.6K | 0.00% | +6,997+42.7% | Added |
| Sequoia Financial Advisors, LLC | 24,258 | $957.7K | 0.01% | +6,628+37.6% | Added |
| Atlas Capital Advisors LLC | 24,471 | $966.1K | 0.11% | +24,471 | New |
| Toroso Investments, LLC | 24,491 | $966.9K | 0.00% | −1,389−5.4% | Reduced |
| Sowell Financial Services LLC | 25,425 | $1.00M | 0.04% | +7,669+43.2% | Added |
| Northwestern Mutual Investment Management Company, LLC | 25,441 | $1.00M | 0.01% | +101+0.4% | Added |
| Foster & Motley Inc | 26,082 | $1.03M | 0.05% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 26,278 | $1.04M | 0.00% | −59−0.2% | Reduced |
| Cetera Investment Advisers | 26,468 | $1.04M | 0.00% | +5,911+28.8% | Added |
| KLP Kapitalforvaltning AS | 26,500 | $1.05M | 0.00% | 00.0% | Unchanged |
| State of Michigan Retirement System | 26,849 | $1.06M | 0.01% | −200−0.7% | Reduced |
| Easterly Investment Partners LLC | 27,049 | $1.07M | 0.07% | +6,000+28.5% | Added |
| Pathstone Holdings, LLC | 27,823 | $1.10M | 0.00% | −123−0.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 28,455 | $1.12M | 0.01% | −722−2.5% | Reduced |
| Zacks Investment Management | 28,718 | $1.13M | 0.01% | +28,718 | New |
| Prudential Financial Inc | 29,385 | $1.16M | 0.00% | −9,016−23.5% | Reduced |
| Hancock Whitney Corp | 30,228 | $1.19M | 0.02% | +30,228 | New |
| Hanson & Doremus Investment Management | 30,624 | $1.21M | 0.15% | −2,550−7.7% | Reduced |
| Sciencast Management LP | 30,630 | $1.21M | 0.17% | −19,190−38.5% | Reduced |
| Oasis Management Co Ltd. | 30,800 | $1.22M | 0.16% | +30,800 | New |
| Ethic Inc. | 31,001 | $1.22M | 0.02% | −411−1.3% | Reduced |
| Louisiana State Employees Retirement System | 31,500 | $1.24M | 0.02% | −100−0.3% | Reduced |
| Captrust Financial Advisors | 31,595 | $1.25M | 0.00% | +490+1.6% | Added |
| Comerica Bank | 31,778 | $1.25M | 0.01% | −2,307−6.8% | Reduced |
| Man Group plc | 31,984 | $1.26M | 0.00% | +31,984 | New |
| Jump Financial, LLC | 33,362 | $1.32M | 0.02% | +33,362 | New |
| Qube Research & Technologies Ltd | 33,882 | $1.34M | 0.00% | +33,882 | New |
| Mirae Asset Global Investments Co., Ltd. | 34,228 | $1.35M | 0.00% | +5,495+19.1% | Added |
| Teachers Retirement System of the State of Kentucky | 34,304 | $1.35M | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 34,405 | $1.36M | 0.01% | −2,148−5.9% | Reduced |
| Artemis Wealth Advisors, LLC | 35,000 | $1.38M | 0.23% | +35,000 | New |
| Mercer Global Advisors Inc | 35,463 | $1.40M | 0.00% | +472+1.3% | Added |
| Handelsbanken Fonder AB | 35,676 | $1.41M | 0.00% | −7,400−17.2% | Reduced |
| Quadrant Capital Group LLC | 36,149 | $1.43M | 0.04% | +5,050+16.2% | Added |
| JustInvest LLC | 36,221 | $1.43M | 0.01% | +218+0.6% | Added |