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 |
|---|---|---|---|---|---|
| Massmutual Trust Co FSB | 1,710 | $67.5K | 0.00% | +80+4.9% | Added |
| Nomura Asset Management Co Ltd | 1,800 | $71.1K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 1,847 | $72.9K | 0.00% | +586+46.5% | Added |
| Umb Bank N A | 1,874 | $74.0K | 0.00% | −217−10.4% | Reduced |
| Versant Capital Management, Inc | 1,918 | $75.7K | 0.01% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,949 | $76.9K | 0.00% | +1,475+311.2% | Added |
| Jones Financial Companies LLLP | 1,990 | $78.6K | 0.00% | −586−22.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 2,161 | $85.3K | 0.00% | +16+0.7% | Added |
| Clear Street Markets LLC | 2,216 | $87.5K | 0.02% | +2,216 | New |
| Steward Partners Investment Advisory, LLC | 2,220 | $87.6K | 0.00% | +932+72.4% | Added |
| Nisa Investment Advisors, LLC | 2,500 | $98.7K | 0.00% | −138−5.2% | Reduced |
| Quaker Wealth Management, LLC | 2,514 | $99.3K | 0.03% | 00.0% | Unchanged |
| Palouse Capital Management, Inc. | 2,624 | $103.6K | 0.07% | −1,386−34.6% | Reduced |
| Signaturefd, LLC | 2,644 | $104.4K | 0.00% | +269+11.3% | Added |
| STRS Ohio | 2,736 | $108.0K | 0.00% | +5+0.2% | Added |
| Kestra Advisory Services, LLC | 3,110 | $122.8K | 0.00% | +3,110 | New |
| Global Retirement Partners, LLC | 3,348 | $132.2K | 0.00% | +900+36.8% | Added |
| EverSource Wealth Advisors, LLC | 3,368 | $133.0K | 0.00% | +66+2.0% | Added |
| Allworth Financial LP | 4,091 | $161.5K | 0.00% | +86+2.1% | Added |
| USA Financial Portformulas Corp | 4,537 | $179.1K | 0.03% | +4,537 | New |
| First Command Advisory Services, Inc. | 4,700 | $185.6K | 0.00% | 00.0% | Unchanged |
| Smithfield Trust Co | 5,000 | $197.0K | 0.01% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 5,086 | $200.8K | 0.00% | +5,086 | New |
| Two Sigma Securities, LLC | 5,110 | $201.7K | 0.03% | −9,568−65.2% | Reduced |
| Headlands Technologies LLC | 5,157 | $203.6K | 0.02% | −7,749−60.0% | Reduced |
| Optas, LLC | 5,255 | $207.5K | 0.03% | +5,255 | New |
| Rothschild Investment LLC | 5,350 | $211.2K | 0.01% | −63−1.2% | Reduced |
| Norden Group LLC | 5,389 | $212.8K | 0.02% | +5,389 | New |
| Canada Pension Plan Investment Board | 5,400 | $213.2K | 0.00% | −9,200−63.0% | Reduced |
| Candriam Luxembourg S.C.A. | 5,410 | $213.6K | 0.00% | +5,410 | New |
| HighTower Advisors, LLC | 5,439 | $214.7K | 0.00% | −7,553−58.1% | Reduced |
| Hantz Financial Services, Inc. | 5,453 | $215.0K | 0.00% | +2,300+72.9% | Added |
| Connecticut Capital Management Group, LLC | 5,556 | $219.4K | 0.21% | +5,556 | New |
| Verition Fund Management LLC | 5,584 | $220.5K | 0.00% | −35,744−86.5% | Reduced |
| Caitong International Asset Management Co., Ltd | 5,597 | $221.0K | 0.05% | +5,188+1,268.5% | Added |
| CAPROCK Group, Inc. | 5,630 | $222.3K | 0.00% | +5,630 | New |
| CFC Planning Co LLC | 5,690 | $224.6K | 0.17% | −3,227−36.2% | Reduced |
| Neuberger Berman Group LLC | 5,813 | $229.5K | 0.00% | +5,813 | New |
| 1620 Investment Advisors, Inc. | 5,819 | $229.7K | 0.15% | −144−2.4% | Reduced |
| Advisory Services Network, LLC | 5,848 | $230.9K | 0.00% | +3,603+160.5% | Added |
| Kestra Private Wealth Services, LLC | 5,867 | $231.6K | 0.00% | +5,867 | New |
| Swiss Life Asset Management Ltd | 5,888 | $232.5K | 0.00% | +5,888 | New |
| Scotia Capital Inc. | 5,926 | $234.0K | 0.00% | +5,926 | New |
| Parallel Advisors, LLC | 5,938 | $234.4K | 0.00% | +563+10.5% | Added |
| The PNC Financial Services Group, Inc. | 5,968 | $235.6K | 0.00% | −4,914−45.2% | Reduced |
| Jackson Thornton Asset Management, LLC | 4,610 | $236.4K | 0.02% | +4,610 | New |
| Warren Averett Asset Management, LLC | 6,026 | $237.9K | 0.00% | +6,026 | New |
| Stifel Financial Corp | 6,027 | $237.9K | 0.00% | +6,027 | New |
| Resources Investment Advisors, LLC. | 6,059 | $239.2K | 0.00% | +6,059 | New |
| Utah Retirement Systems | 6,100 | $240.8K | 0.00% | +6,100 | New |
| Argent Trust Co | 6,191 | $244.4K | 0.01% | +6,191 | New |
| Chicago Partners Investment Group LLC | 4,937 | $245.4K | 0.01% | +4,937 | New |
| Maryland State Retirement & Pension System | 6,420 | $253.5K | 0.01% | +6,420 | New |
| Crossmark Global Holdings, Inc. | 6,476 | $255.7K | 0.00% | +6,476 | New |
| Tairen Capital Ltd | 6,500 | $256.6K | 0.03% | +6,500 | New |
| Atria Investments LLC | 6,514 | $257.2K | 0.00% | −2,246−25.6% | Reduced |
| Advisor Group Holdings, Inc. | 6,597 | $260.5K | 0.00% | +943+16.7% | Added |
| US Bancorp | 6,638 | $262.1K | 0.00% | −101−1.5% | Reduced |
| Boothbay Fund Management, LLC | 6,792 | $268.1K | 0.01% | +6,792 | New |
| State of Wisconsin Investment Board | 6,836 | $269.9K | 0.00% | −98,572−93.5% | Reduced |
| Coldstream Capital Management Inc | 7,046 | $278.2K | 0.00% | +7,046 | New |
| Gateway Investment Advisers LLC | 7,075 | $279.3K | 0.00% | +7,075 | New |
| Caerus Investment Advisors, LLC | 7,106 | $280.5K | 0.09% | 00.0% | Unchanged |
| Amundi | 7,236 | $285.7K | 0.00% | −171,908−96.0% | Reduced |
| Westwood Holdings Group Inc. | 7,277 | $287.3K | 0.00% | −835−10.3% | Reduced |
| Mackenzie Financial Corp | 7,126 | $287.3K | 0.00% | −808−10.2% | Reduced |
| Phillips Wealth Planners LLC | 5,399 | $288.6K | 0.23% | +5,399 | New |
| Evolve Private Wealth, LLC | 7,393 | $291.9K | 0.02% | +7,393 | New |
| Guidance Capital, Inc | 5,655 | $296.6K | 0.07% | +5,655 | New |
| Hennion & Walsh Asset Management, Inc. | 7,697 | $303.9K | 0.01% | −101−1.3% | Reduced |
| CIBC Asset Management Inc | 7,737 | $305.5K | 0.00% | 00.0% | Unchanged |
| Lodestone Wealth Management LLC | 7,757 | $306.2K | 0.12% | +7,757 | New |
| CBOE Vest Financial, LLC | 7,777 | $307.0K | 0.00% | +493+6.8% | Added |
| Covestor Ltd | 7,858 | $311.0K | 0.16% | −360−4.4% | Reduced |
| Ensign Peak Advisors, Inc | 7,880 | $311.1K | 0.00% | −5,400−40.7% | Reduced |
| NorthCrest Asset Manangement, LLC | 6,470 | $311.4K | 0.01% | +6,470 | New |
| Quest Partners LLC | 7,954 | $314.0K | 0.02% | −1,211−13.2% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 8,067 | $318.5K | 0.00% | +8,067 | New |
| Panagora Asset Management Inc | 8,144 | $321.5K | 0.00% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 8,270 | $326.5K | 0.01% | −244−2.9% | Reduced |
| Colony Group, LLC | 8,410 | $329.0K | 0.00% | −112,843−93.1% | Reduced |
| Forum Financial Management, LP | 8,340 | $329.3K | 0.00% | +1,015+13.9% | Added |
| EP Wealth Advisors, LLC | 8,369 | $330.4K | 0.00% | +8,369 | New |
| Voya Investment Management LLC | 8,427 | $332.7K | 0.00% | −68,923−89.1% | Reduced |
| Profund Advisors LLC | 8,437 | $333.1K | 0.01% | +270+3.3% | Added |
| Shay Capital LLC | 8,500 | $335.6K | 0.05% | −22,500−72.6% | Reduced |
| Essential Partners LLC | 8,526 | $336.6K | 0.10% | 00.0% | Unchanged |
| Buckingham Strategic Partners | 8,601 | $339.6K | 0.00% | −6,600−43.4% | Reduced |
| EMC Capital Management | 8,791 | $347.0K | 0.15% | −1,551−15.0% | Reduced |
| Kestra Investment Management, LLC | 8,794 | $347.2K | 0.01% | −263−2.9% | Reduced |
| GAMMA Investing LLC | 8,907 | $351.6K | 0.02% | +833+10.3% | Added |
| K2 Principal Fund, L.P. | 9,000 | $355.3K | 0.04% | +9,000 | New |
| Transcend Wealth Collective, LLC | 9,071 | $358.1K | 0.03% | +9,071 | New |
| DekaBank Deutsche Girozentrale | 9,919 | $363.0K | 0.00% | 00.0% | Unchanged |
| Krilogy Financial LLC | 7,620 | $384.0K | 0.01% | +62+0.8% | Added |
| O'Shaughnessy Asset Management, LLC | 9,799 | $386.9K | 0.00% | +202+2.1% | Added |
| Skopos Labs, Inc. | 9,746 | $390.7K | 0.02% | +9,746 | New |
| Bayforest Capital Ltd | 9,992 | $394.5K | 0.29% | +2,298+29.9% | Added |
| Tower Research Capital LLC (TRC) | 10,234 | $404.0K | 0.01% | +2,059+25.2% | Added |
| Atlas Brown,Inc. | 10,375 | $409.6K | 0.12% | −50−0.5% | Reduced |