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 |
|---|---|---|---|---|---|
| Hantz Financial Services, Inc. | 3,153 | $90.0K | 0.00% | +1,784+130.3% | Added |
| EverSource Wealth Advisors, LLC | 3,302 | $93.8K | 0.00% | +584+21.5% | Added |
| Wexford Capital LP | 3,400 | $96.6K | 0.03% | +3,400 | New |
| Brown Brothers Harriman & Co | 3,446 | $97.9K | 0.00% | +95+2.8% | Added |
| Allworth Financial LP | 4,005 | $113.7K | 0.00% | +1,365+51.7% | Added |
| Palouse Capital Management, Inc. | 4,010 | $113.9K | 0.07% | 00.0% | Unchanged |
| First Command Advisory Services, Inc. | 4,700 | $133.5K | 0.00% | 00.0% | Unchanged |
| Smithfield Trust Co | 5,000 | $142.0K | 0.01% | 00.0% | Unchanged |
| Abich Financial Wealth Management LLC | 5,151 | $146.3K | 0.05% | +5,151 | New |
| Farther Finance Advisors, LLC | 5,181 | $147.1K | 0.00% | +4,497+657.5% | Added |
| Advisor Group Holdings, Inc. | 5,654 | $150.7K | 0.00% | +1,472+35.2% | Added |
| Parallel Advisors, LLC | 5,375 | $152.7K | 0.00% | +3+0.1% | Added |
| Rothschild Investment LLC | 5,413 | $153.7K | 0.01% | +4,098+311.6% | Added |
| 1620 Investment Advisors, Inc. | 5,963 | $169.3K | 0.11% | −1,653−21.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 6,326 | $179.7K | 0.00% | −1,756−21.7% | Reduced |
| ISAM Funds (UK) Ltd | 6,655 | $189.0K | 0.04% | −34,440−83.8% | Reduced |
| US Bancorp | 6,739 | $191.4K | 0.00% | +116+1.8% | Added |
| Farringdon Capital, Ltd. | 7,068 | $200.7K | 0.05% | +7,068 | New |
| Impact Partnership Wealth, LLC | 7,091 | $201.4K | 0.03% | +7,091 | New |
| Caerus Investment Advisors, LLC | 7,106 | $201.8K | 0.08% | +7,106 | New |
| CBOE Vest Financial, LLC | 7,284 | $206.9K | 0.00% | +7,284 | New |
| Forum Financial Management, LP | 7,325 | $208.0K | 0.00% | +7,325 | New |
| Point72 Europe (London) LLP | 7,692 | $218.5K | 0.01% | +7,692 | New |
| Bayforest Capital Ltd | 7,694 | $218.5K | 0.10% | +7,694 | New |
| CIBC Asset Management Inc | 7,737 | $219.7K | 0.00% | +7,737 | New |
| Hennion & Walsh Asset Management, Inc. | 7,798 | $221.5K | 0.01% | +7,798 | New |
| Mackenzie Financial Corp | 7,934 | $225.3K | 0.00% | +7,934 | New |
| Brighton Jones LLC | 8,043 | $228.4K | 0.01% | +8,043 | New |
| GAMMA Investing LLC | 8,074 | $229.3K | 0.01% | +678+9.2% | Added |
| Westwood Holdings Group Inc. | 8,112 | $230.0K | 0.00% | −8,338−50.7% | Reduced |
| Panagora Asset Management Inc | 8,144 | $231.3K | 0.00% | +8,144 | New |
| Profund Advisors LLC | 8,167 | $231.9K | 0.01% | +8,167 | New |
| Tower Research Capital LLC (TRC) | 8,175 | $232.2K | 0.01% | −5,046−38.2% | Reduced |
| Covestor Ltd | 8,218 | $233.0K | 0.13% | −1,555−15.9% | Reduced |
| Securian Asset Management, Inc | 8,514 | $241.8K | 0.01% | −62−0.7% | Reduced |
| Essential Partners LLC | 8,526 | $242.1K | 0.08% | +1,092+14.7% | Added |
| Atria Investments LLC | 8,760 | $248.8K | 0.00% | +8,760 | New |
| CFC Planning Co LLC | 8,917 | $253.2K | 0.21% | +8,917 | New |
| Ci Investments Inc. | 8,932 | $254.0K | 0.00% | −867−8.8% | Reduced |
| Natixis | 8,954 | $254.3K | 0.00% | −16,966−65.5% | Reduced |
| Kestra Investment Management, LLC | 9,057 | $257.2K | 0.01% | −1,368−13.1% | Reduced |
| Sender Co & Partners, Inc. | 9,068 | $257.5K | 0.10% | +9,068 | New |
| Ground Swell Capital, LLC | 9,110 | $258.7K | 0.57% | +9,110 | New |
| Quest Partners LLC | 9,165 | $260.3K | 0.02% | +9,165 | New |
| Worldquant Millennium Advisors LLC | 9,229 | $262.1K | 0.00% | +9,229 | New |
| Virtu Financial LLC | 9,526 | $271.0K | 0.02% | +9,526 | New |
| Wedmont Private Capital | 9,129 | $271.6K | 0.01% | +9,129 | New |
| O'Shaughnessy Asset Management, LLC | 9,597 | $272.6K | 0.00% | +9,597 | New |
| Krilogy Financial LLC | 7,558 | $276.2K | 0.01% | +7,558 | New |
| DekaBank Deutsche Girozentrale | 9,919 | $280.0K | 0.00% | 00.0% | Unchanged |
| Vise Technologies, Inc. | 10,168 | $288.8K | 0.01% | +10,168 | New |
| EMC Capital Management | 10,342 | $294.0K | 0.14% | 00.0% | Unchanged |
| Savant Capital, LLC | 10,359 | $294.2K | 0.00% | +515+5.2% | Added |
| Atlas Brown,Inc. | 10,425 | $296.1K | 0.09% | 00.0% | Unchanged |
| Vident Advisory, LLC | 10,571 | $300.2K | 0.00% | −83−0.8% | Reduced |
| Claret Asset Management Corp | 10,845 | $308.0K | 0.04% | −152−1.4% | Reduced |
| The PNC Financial Services Group, Inc. | 10,882 | $309.0K | 0.00% | +5,623+106.9% | Added |
| Polymer Capital Management (HK) LTD | 10,896 | $309.4K | 0.04% | +10,896 | New |
| Leuthold Group, LLC | 10,981 | $311.9K | 0.03% | +10,981 | New |
| Williams & Novak, LLC | 11,026 | $313.1K | 0.24% | −715−6.1% | Reduced |
| Paragon Capital Management Ltd | 11,140 | $316.4K | 0.06% | −660−5.6% | Reduced |
| Callan Family Office, LLC | 11,389 | $323.4K | 0.01% | −5,859−34.0% | Reduced |
| Simplex Trading, LLC | 11,611 | $329.0K | 0.01% | −1,943−14.3% | Reduced |
| Diversified Trust Co | 11,718 | $332.8K | 0.01% | +11,718 | New |
| Integrated Investment Consultants, LLC | 12,377 | $351.5K | 0.06% | 00.0% | Unchanged |
| DGS Capital Management, LLC | 12,453 | $353.7K | 0.06% | −593−4.5% | Reduced |
| Headlands Technologies LLC | 12,906 | $366.5K | 0.03% | +3,493+37.1% | Added |
| HighTower Advisors, LLC | 12,992 | $368.9K | 0.00% | +631+5.1% | Added |
| Ensign Peak Advisors, Inc | 13,280 | $377.2K | 0.00% | −3,950−22.9% | Reduced |
| Merit Financial Group, LLC | 13,337 | $378.8K | 0.00% | +1,776+15.4% | Added |
| Chase Investment Counsel Corp | 13,595 | $386.0K | 0.11% | 00.0% | Unchanged |
| Pallas Capital Advisors LLC | 13,877 | $394.1K | 0.01% | +393+2.9% | Added |
| Scientech Research LLC | 14,039 | $398.7K | 0.14% | −8,383−37.4% | Reduced |
| Meeder Advisory Services, Inc. | 14,220 | $403.8K | 0.02% | −166−1.2% | Reduced |
| HSBC Holdings PLC | 14,507 | $412.0K | 0.00% | −2,704−15.7% | Reduced |
| Canada Pension Plan Investment Board | 14,600 | $414.6K | 0.00% | +14,600 | New |
| Two Sigma Securities, LLC | 14,678 | $416.9K | 0.06% | +14,678 | New |
| SG Americas Securities, LLC | 14,942 | $424.0K | 0.00% | +7,113+90.9% | Added |
| Two Sigma Advisers, LP | 15,000 | $426.0K | 0.00% | +15,000 | New |
| Bank of Montreal | 15,891 | $451.3K | 0.00% | +50.0% | Added |
| CWM Advisors, LLC | 15,917 | $452.0K | 0.04% | −2,676−14.4% | Reduced |
| Teacher Retirement System of Texas | 16,103 | $457.3K | 0.00% | −2,573−13.8% | Reduced |
| Deutsche Bank AG | 16,373 | $465.0K | 0.00% | +1,826+12.6% | Added |
| DRW Securities, LLC | 16,695 | $470.7K | 0.02% | +16,695 | New |
| Altfest L J & Co Inc | 16,913 | $480.3K | 0.05% | +16,913 | New |
| Massar Capital Management, LP | 16,950 | $481.4K | 0.17% | +16,950 | New |
| Pictet Asset Management Holding SA | 17,195 | $488.3K | 0.00% | +722+4.4% | Added |
| Integrated Wealth Concepts LLC | 17,389 | $493.8K | 0.00% | +3,632+26.4% | Added |
| Sequoia Financial Advisors, LLC | 17,630 | $500.7K | 0.00% | +2,826+19.1% | Added |
| Sowell Financial Services LLC | 17,756 | $504.3K | 0.02% | +17,756 | New |
| Mission Wealth Management, LP | 17,794 | $505.4K | 0.01% | −2,300−11.4% | Reduced |
| Buckingham Strategic Partners | 15,201 | $509.8K | 0.01% | +15,201 | New |
| 111 Capital | 18,050 | $512.6K | 0.10% | +18,050 | New |
| Robotti Robert | 18,175 | $516.2K | 0.09% | −173,572−90.5% | Reduced |
| Occudo Quantitative Strategies LP | 18,226 | $517.6K | 0.06% | +18,226 | New |
| Ulland Investment Advisors, LLC | 18,260 | $519.0K | 0.39% | +500+2.8% | Added |
| Wiley Bros.-Aintree Capital, LLC | 18,338 | $520.6K | 0.00% | −1,002−5.2% | Reduced |
| Xponance, Inc. | 18,444 | $523.8K | 0.00% | +5,622+43.8% | Added |
| Landscape Capital Management, L.L.C. | 18,684 | $530.6K | 0.03% | −10,509−36.0% | Reduced |
| AXA Investment Managers S.A. | 18,806 | $534.1K | 0.00% | +18,806 | New |