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, Q1 2026
Institutional positions in Amkor Technology, Inc. as of Mar 31, 2026. 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
- 533
- +85 vs. Q4 2025
- Shares held
- 121.4M
- +24.9M (+25.8%) vs. Q4 2025
- Total value
- $5.44B
- +$1.63B (+42.7%) vs. Q4 2025
- New holders
- 141
- 190 more added
- Sold out
- 56
- 141 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Brighton Jones LLC | 9,509 | $428.2K | 0.01% | +9,509 | New |
| GAMMA Investing LLC | 9,317 | $419.5K | 0.02% | +410+4.6% | Added |
| Larson Financial Group LLC | 9,308 | $419.1K | 0.01% | +7,461+404.0% | Added |
| Freestone Grove Partners LP | 9,282 | $418.0K | 0.00% | +9,282 | New |
| DekaBank Deutsche Girozentrale | 9,919 | $416.0K | 0.00% | 00.0% | Unchanged |
| Phillips Wealth Planners LLC | 5,213 | $399.8K | 0.30% | −186−3.4% | Reduced |
| Kestra Investment Management, LLC | 8,638 | $389.0K | 0.01% | −156−1.8% | Reduced |
| Buckingham Strategic Partners | 8,605 | $387.0K | 0.00% | +40.0% | Added |
| Essential Partners LLC | 8,526 | $383.9K | 0.13% | 00.0% | Unchanged |
| Bauman Advisory Group, LLC | 8,433 | $379.7K | 0.27% | +8,433 | New |
| Securian Asset Management, Inc | 8,385 | $377.6K | 0.01% | +115+1.4% | Added |
| Whalen Wealth Management Inc. | 8,357 | $376.3K | 0.20% | +8,357 | New |
| K2 Principal Fund, L.P. | 8,306 | $374.0K | 0.04% | −694−7.7% | Reduced |
| Panagora Asset Management Inc | 8,144 | $366.7K | 0.00% | 00.0% | Unchanged |
| Blue Bell Private Wealth Management, LLC | 8,083 | $364.0K | 0.05% | +8,083 | New |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 8,064 | $363.1K | 0.01% | +8,064 | New |
| Swiss Life Asset Management Ltd | 8,055 | $362.7K | 0.00% | +2,167+36.8% | Added |
| GWN Securities Inc. | 7,967 | $358.8K | 0.07% | +7,967 | New |
| Lodestone Wealth Management LLC | 7,966 | $358.7K | 0.14% | +209+2.7% | Added |
| Guidance Capital, Inc | 4,644 | $356.3K | 0.08% | −1,011−17.9% | Reduced |
| Ensign Peak Advisors, Inc | 7,880 | $354.8K | 0.00% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 7,737 | $348.4K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 7,726 | $347.9K | 0.00% | +1,758+29.5% | Added |
| Evolve Private Wealth, LLC | 7,615 | $342.9K | 0.02% | +222+3.0% | Added |
| Hennion & Walsh Asset Management, Inc. | 7,565 | $340.7K | 0.01% | −132−1.7% | Reduced |
| CBOE Vest Financial, LLC | 7,486 | $337.1K | 0.00% | −291−3.7% | Reduced |
| HighTower Advisors, LLC | 7,476 | $336.6K | 0.00% | +2,037+37.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 7,475 | $336.6K | 0.00% | −120,948−94.2% | Reduced |
| Profund Advisors LLC | 7,435 | $334.8K | 0.01% | −1,002−11.9% | Reduced |
| Parallel Advisors, LLC | 7,348 | $330.9K | 0.01% | +1,410+23.7% | Added |
| EP Wealth Advisors, LLC | 7,335 | $330.3K | 0.00% | −1,034−12.4% | Reduced |
| Candriam Luxembourg S.C.A. | 7,332 | $330.2K | 0.00% | +1,922+35.5% | Added |
| Ulland Investment Advisors, LLC | 7,280 | $328.0K | 0.28% | −6,930−48.8% | Reduced |
| Boothbay Fund Management, LLC | 7,183 | $323.4K | 0.01% | +391+5.8% | Added |
| DnB Asset Management AS | 7,176 | $323.1K | 0.00% | +7,176 | New |
| Caerus Investment Advisors, LLC | 7,115 | $320.4K | 0.14% | +9+0.1% | Added |
| US Bancorp | 7,109 | $320.1K | 0.00% | +471+7.1% | Added |
| Clearwave Capital, LLC | 7,008 | $315.6K | 0.22% | +7,008 | New |
| Apollon Wealth Management, LLC | 7,005 | $315.4K | 0.01% | +7,005 | New |
| Atria Investments LLC | 6,865 | $309.1K | 0.00% | +351+5.4% | Added |
| Warren Averett Asset Management, LLC | 6,824 | $307.3K | 0.00% | +798+13.2% | Added |
| NorthCrest Asset Manangement, LLC | 6,461 | $301.7K | 0.01% | −9−0.1% | Reduced |
| Rothschild Investment LLC | 6,698 | $301.6K | 0.02% | +1,348+25.2% | Added |
| Utah Retirement Systems | 6,597 | $297.1K | 0.00% | +497+8.1% | Added |
| Truvestments Capital LLC | 6,544 | $294.7K | 0.05% | +6,544 | New |
| Crossmark Global Holdings, Inc. | 6,476 | $291.6K | 0.00% | 00.0% | Unchanged |
| Gateway Investment Advisers LLC | 6,460 | $290.9K | 0.00% | −615−8.7% | Reduced |
| Maryland State Retirement & Pension System | 6,420 | $289.1K | 0.01% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 6,324 | $281.1K | 0.00% | +4,334+217.8% | Added |
| Marshall Wace, LLP | 6,225 | $280.3K | 0.00% | +6,225 | New |
| Bayesian Capital Management, LP | 6,199 | $279.1K | 0.34% | +6,199 | New |
| Argent Trust Co | 6,191 | $278.8K | 0.01% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 6,175 | $278.1K | 0.05% | +6,175 | New |
| Stifel Financial Corp | 6,131 | $276.1K | 0.00% | +104+1.7% | Added |
| Mackenzie Financial Corp | 6,065 | $273.1K | 0.00% | −1,061−14.9% | Reduced |
| Hantz Financial Services, Inc. | 6,065 | $273.0K | 0.00% | +612+11.2% | Added |
| HB Wealth Management, LLC | 6,007 | $270.5K | 0.00% | +6,007 | New |
| Sivia Capital Partners, LLC | 5,979 | $269.2K | 0.05% | +5,979 | New |
| Neuberger Berman Group LLC | 5,924 | $266.8K | 0.00% | +111+1.9% | Added |
| Blackstone Group Inc. | 5,910 | $266.1K | 0.00% | +5,910 | New |
| Arrowstreet Capital, Limited Partnership | 5,878 | $264.7K | 0.00% | −788,352−99.3% | Reduced |
| Entropy Technologies, LP | 5,759 | $259.3K | 0.01% | +5,759 | New |
| Westwood Holdings Group Inc. | 5,755 | $259.1K | 0.00% | −1,522−20.9% | Reduced |
| Lido Advisors, LLC | 5,734 | $258.2K | 0.00% | +5,734 | New |
| Commonwealth Equity Services, LLC | 5,724 | $257.7K | 0.00% | +5,724 | New |
| Advisory Services Network, LLC | 5,682 | $255.9K | 0.00% | −166−2.8% | Reduced |
| Diversified Trust Co | 5,663 | $255.0K | 0.00% | −12,893−69.5% | Reduced |
| Private Advisor Group, LLC | 5,635 | $253.8K | 0.00% | +5,635 | New |
| Bayforest Capital Ltd | 5,632 | $253.6K | 0.28% | −4,360−43.6% | Reduced |
| Jackson Thornton Asset Management, LLC | 4,339 | $251.5K | 0.02% | −271−5.9% | Reduced |
| Connecticut Capital Management Group, LLC | 5,555 | $250.1K | 0.24% | −10.0% | Reduced |
| Independent Advisor Alliance | 5,433 | $244.6K | 0.00% | +5,433 | New |
| Optas, LLC | 5,375 | $242.0K | 0.04% | +120+2.3% | Added |
| Coldstream Capital Management Inc | 5,274 | $237.5K | 0.00% | −1,772−25.1% | Reduced |
| Norden Group LLC | 5,261 | $236.9K | 0.02% | −128−2.4% | Reduced |
| Empowered Funds, LLC | 5,258 | $236.8K | 0.00% | +5,258 | New |
| United Capital Financial Advisers, LLC | 5,243 | $236.1K | 0.00% | +5,243 | New |
| Allworth Financial LP | 5,192 | $233.8K | 0.00% | +1,101+26.9% | Added |
| Signaturefd, LLC | 5,151 | $231.9K | 0.00% | +2,507+94.8% | Added |
| Marex Group plc | 5,009 | $225.6K | 0.00% | +5,009 | New |
| Covestor Ltd | 4,996 | $225.0K | 0.16% | −2,862−36.4% | Reduced |
| Smithfield Trust Co | 5,000 | $225.0K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,917 | $221.4K | 0.01% | −5,317−52.0% | Reduced |
| Perigon Wealth Management, LLC | 4,901 | $220.7K | 0.00% | +4,901 | New |
| denkapparat Operations GmbH | 4,896 | $220.5K | 0.09% | +4,896 | New |
| Wealthfront Advisers LLC | 4,890 | $220.2K | 0.00% | +4,890 | New |
| Caxton Associates LLP | 4,887 | $220.1K | 0.01% | +4,887 | New |
| Cambria Investment Management, L.P. | 4,834 | $217.7K | 0.01% | +4,834 | New |
| First Affirmative Financial Network | 4,777 | $215.1K | 0.08% | +4,777 | New |
| First Command Advisory Services, Inc. | 4,700 | $211.6K | 0.00% | 00.0% | Unchanged |
| Diversify Wealth Management, LLC | 2,970 | $209.7K | 0.00% | +2,970 | New |
| Advisor Group Holdings, Inc. | 4,615 | $207.8K | 0.00% | −1,982−30.0% | Reduced |
| WealthTrust Axiom LLC | 4,550 | $204.9K | 0.05% | +4,550 | New |
| EverSource Wealth Advisors, LLC | 4,311 | $194.1K | 0.01% | +943+28.0% | Added |
| Caption Management, LLC | 3,850 | $173.4K | 0.01% | +3,850 | New |
| Nisa Investment Advisors, LLC | 3,705 | $166.8K | 0.00% | +1,205+48.2% | Added |
| Exchange Traded Concepts, LLC | 3,213 | $144.7K | 0.00% | −80,493−96.2% | Reduced |
| 1620 Investment Advisors, Inc. | 3,067 | $138.1K | 0.09% | −2,752−47.3% | Reduced |
| STRS Ohio | 2,971 | $133.8K | 0.00% | +235+8.6% | Added |
| Steward Partners Investment Advisory, LLC | 2,725 | $122.7K | 0.00% | +505+22.7% | Added |