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 |
|---|---|---|---|---|---|
| CWM Advisors, LLC | 15,917 | $452.0K | 0.04% | −2,676−14.4% | Reduced |
| Bank of Montreal | 15,891 | $451.3K | 0.00% | +50.0% | Added |
| Two Sigma Advisers, LP | 15,000 | $426.0K | 0.00% | +15,000 | New |
| SG Americas Securities, LLC | 14,942 | $424.0K | 0.00% | +7,113+90.9% | Added |
| Two Sigma Securities, LLC | 14,678 | $416.9K | 0.06% | +14,678 | New |
| Canada Pension Plan Investment Board | 14,600 | $414.6K | 0.00% | +14,600 | New |
| HSBC Holdings PLC | 14,507 | $412.0K | 0.00% | −2,704−15.7% | Reduced |
| Meeder Advisory Services, Inc. | 14,220 | $403.8K | 0.02% | −166−1.2% | Reduced |
| Scientech Research LLC | 14,039 | $398.7K | 0.14% | −8,383−37.4% | Reduced |
| Pallas Capital Advisors LLC | 13,877 | $394.1K | 0.01% | +393+2.9% | Added |
| Chase Investment Counsel Corp | 13,595 | $386.0K | 0.11% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 13,337 | $378.8K | 0.00% | +1,776+15.4% | Added |
| Ensign Peak Advisors, Inc | 13,280 | $377.2K | 0.00% | −3,950−22.9% | Reduced |
| HighTower Advisors, LLC | 12,992 | $368.9K | 0.00% | +631+5.1% | Added |
| Headlands Technologies LLC | 12,906 | $366.5K | 0.03% | +3,493+37.1% | Added |
| DGS Capital Management, LLC | 12,453 | $353.7K | 0.06% | −593−4.5% | Reduced |
| Integrated Investment Consultants, LLC | 12,377 | $351.5K | 0.06% | 00.0% | Unchanged |
| Diversified Trust Co | 11,718 | $332.8K | 0.01% | +11,718 | New |
| Simplex Trading, LLC | 11,611 | $329.0K | 0.01% | −1,943−14.3% | Reduced |
| Callan Family Office, LLC | 11,389 | $323.4K | 0.01% | −5,859−34.0% | Reduced |
| Paragon Capital Management Ltd | 11,140 | $316.4K | 0.06% | −660−5.6% | Reduced |
| Williams & Novak, LLC | 11,026 | $313.1K | 0.24% | −715−6.1% | Reduced |
| Leuthold Group, LLC | 10,981 | $311.9K | 0.03% | +10,981 | New |
| Polymer Capital Management (HK) LTD | 10,896 | $309.4K | 0.04% | +10,896 | New |
| The PNC Financial Services Group, Inc. | 10,882 | $309.0K | 0.00% | +5,623+106.9% | Added |
| Claret Asset Management Corp | 10,845 | $308.0K | 0.04% | −152−1.4% | Reduced |
| Vident Advisory, LLC | 10,571 | $300.2K | 0.00% | −83−0.8% | Reduced |
| Atlas Brown,Inc. | 10,425 | $296.1K | 0.09% | 00.0% | Unchanged |
| Savant Capital, LLC | 10,359 | $294.2K | 0.00% | +515+5.2% | Added |
| EMC Capital Management | 10,342 | $294.0K | 0.14% | 00.0% | Unchanged |
| Vise Technologies, Inc. | 10,168 | $288.8K | 0.01% | +10,168 | New |
| DekaBank Deutsche Girozentrale | 9,919 | $280.0K | 0.00% | 00.0% | Unchanged |
| Krilogy Financial LLC | 7,558 | $276.2K | 0.01% | +7,558 | New |
| O'Shaughnessy Asset Management, LLC | 9,597 | $272.6K | 0.00% | +9,597 | New |
| Wedmont Private Capital | 9,129 | $271.6K | 0.01% | +9,129 | New |
| Virtu Financial LLC | 9,526 | $271.0K | 0.02% | +9,526 | New |
| Worldquant Millennium Advisors LLC | 9,229 | $262.1K | 0.00% | +9,229 | New |
| Quest Partners LLC | 9,165 | $260.3K | 0.02% | +9,165 | New |
| Ground Swell Capital, LLC | 9,110 | $258.7K | 0.57% | +9,110 | New |
| Sender Co & Partners, Inc. | 9,068 | $257.5K | 0.10% | +9,068 | New |
| Kestra Investment Management, LLC | 9,057 | $257.2K | 0.01% | −1,368−13.1% | Reduced |
| Natixis | 8,954 | $254.3K | 0.00% | −16,966−65.5% | Reduced |
| Ci Investments Inc. | 8,932 | $254.0K | 0.00% | −867−8.8% | Reduced |
| CFC Planning Co LLC | 8,917 | $253.2K | 0.21% | +8,917 | New |
| Atria Investments LLC | 8,760 | $248.8K | 0.00% | +8,760 | New |
| Essential Partners LLC | 8,526 | $242.1K | 0.08% | +1,092+14.7% | Added |
| Securian Asset Management, Inc | 8,514 | $241.8K | 0.01% | −62−0.7% | Reduced |
| Covestor Ltd | 8,218 | $233.0K | 0.13% | −1,555−15.9% | Reduced |
| Tower Research Capital LLC (TRC) | 8,175 | $232.2K | 0.01% | −5,046−38.2% | Reduced |
| Profund Advisors LLC | 8,167 | $231.9K | 0.01% | +8,167 | New |
| Panagora Asset Management Inc | 8,144 | $231.3K | 0.00% | +8,144 | New |
| Westwood Holdings Group Inc. | 8,112 | $230.0K | 0.00% | −8,338−50.7% | Reduced |
| GAMMA Investing LLC | 8,074 | $229.3K | 0.01% | +678+9.2% | Added |
| Brighton Jones LLC | 8,043 | $228.4K | 0.01% | +8,043 | New |
| Mackenzie Financial Corp | 7,934 | $225.3K | 0.00% | +7,934 | New |
| Hennion & Walsh Asset Management, Inc. | 7,798 | $221.5K | 0.01% | +7,798 | New |
| CIBC Asset Management Inc | 7,737 | $219.7K | 0.00% | +7,737 | New |
| Bayforest Capital Ltd | 7,694 | $218.5K | 0.10% | +7,694 | New |
| Point72 Europe (London) LLP | 7,692 | $218.5K | 0.01% | +7,692 | New |
| Forum Financial Management, LP | 7,325 | $208.0K | 0.00% | +7,325 | New |
| CBOE Vest Financial, LLC | 7,284 | $206.9K | 0.00% | +7,284 | New |
| Caerus Investment Advisors, LLC | 7,106 | $201.8K | 0.08% | +7,106 | New |
| Impact Partnership Wealth, LLC | 7,091 | $201.4K | 0.03% | +7,091 | New |
| Farringdon Capital, Ltd. | 7,068 | $200.7K | 0.05% | +7,068 | New |
| US Bancorp | 6,739 | $191.4K | 0.00% | +116+1.8% | Added |
| ISAM Funds (UK) Ltd | 6,655 | $189.0K | 0.04% | −34,440−83.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 6,326 | $179.7K | 0.00% | −1,756−21.7% | Reduced |
| 1620 Investment Advisors, Inc. | 5,963 | $169.3K | 0.11% | −1,653−21.7% | Reduced |
| Rothschild Investment LLC | 5,413 | $153.7K | 0.01% | +4,098+311.6% | Added |
| Parallel Advisors, LLC | 5,375 | $152.7K | 0.00% | +3+0.1% | Added |
| Advisor Group Holdings, Inc. | 5,654 | $150.7K | 0.00% | +1,472+35.2% | Added |
| Farther Finance Advisors, LLC | 5,181 | $147.1K | 0.00% | +4,497+657.5% | Added |
| Abich Financial Wealth Management LLC | 5,151 | $146.3K | 0.05% | +5,151 | New |
| Smithfield Trust Co | 5,000 | $142.0K | 0.01% | 00.0% | Unchanged |
| First Command Advisory Services, Inc. | 4,700 | $133.5K | 0.00% | 00.0% | Unchanged |
| Palouse Capital Management, Inc. | 4,010 | $113.9K | 0.07% | 00.0% | Unchanged |
| Allworth Financial LP | 4,005 | $113.7K | 0.00% | +1,365+51.7% | Added |
| Brown Brothers Harriman & Co | 3,446 | $97.9K | 0.00% | +95+2.8% | Added |
| Wexford Capital LP | 3,400 | $96.6K | 0.03% | +3,400 | New |
| EverSource Wealth Advisors, LLC | 3,302 | $93.8K | 0.00% | +584+21.5% | Added |
| Hantz Financial Services, Inc. | 3,153 | $90.0K | 0.00% | +1,784+130.3% | Added |
| STRS Ohio | 2,731 | $77.6K | 0.00% | +10.0% | Added |
| Nisa Investment Advisors, LLC | 2,638 | $74.9K | 0.00% | −1,300−33.0% | Reduced |
| Jones Financial Companies LLLP | 2,576 | $74.8K | 0.00% | +914+55.0% | Added |
| Quaker Wealth Management, LLC | 2,514 | $71.4K | 0.02% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 2,448 | $69.5K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 2,375 | $67.5K | 0.00% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 2,363 | $67.1K | 0.00% | −421−15.1% | Reduced |
| Advisory Services Network, LLC | 2,245 | $63.8K | 0.00% | +2,245 | New |
| Northwestern Mutual Wealth Management Co | 2,145 | $60.9K | 0.00% | +292+15.8% | Added |
| Umb Bank N A | 2,091 | $59.4K | 0.00% | −55−2.6% | Reduced |
| Versant Capital Management, Inc | 1,918 | $54.5K | 0.01% | +47+2.5% | Added |
| Harbour Investments, Inc. | 1,888 | $53.6K | 0.00% | +314+19.9% | Added |
| Nomura Asset Management Co Ltd | 1,800 | $51.1K | 0.00% | +900+100.0% | Added |
| Clearstead Advisors, LLC | 1,676 | $47.6K | 0.00% | −9,097−84.4% | Reduced |
| Massmutual Trust Co FSB | 1,630 | $46.3K | 0.00% | +28+1.7% | Added |
| Hurley Capital, LLC | 1,627 | $46.2K | 0.03% | +3+0.2% | Added |
| Fifth Third Bancorp | 1,595 | $45.3K | 0.00% | −18,468−92.1% | Reduced |
| Essex Investment Management Co LLC | 1,526 | $43.3K | 0.01% | +1,526 | New |
| Public Employees Retirement Association of Colorado | 1,439 | $41.0K | 0.00% | 00.0% | Unchanged |