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 |
|---|---|---|---|---|---|
| Solstein Capital, LLC | 603 | $27.2K | 0.01% | −35−5.5% | Reduced |
| Alphadyne Asset Management LP | 615 | $27.7K | 0.00% | +615 | New |
| Quarry LP | 644 | $29.0K | 0.01% | −427−39.9% | Reduced |
| Owl Creek Wealth Partners LLC | 659 | $29.7K | 0.01% | +659 | New |
| Smartleaf Asset Management LLC | 720 | $29.7K | 0.00% | +36+5.3% | Added |
| Ronald Blue Trust, Inc. | 761 | $34.3K | 0.00% | −17−2.2% | Reduced |
| Brown Brothers Harriman & Co | 784 | $35.3K | 0.00% | +323+70.1% | Added |
| Salomon & Ludwin, LLC | 858 | $40.1K | 0.00% | 00.0% | Unchanged |
| Stance Capital LLC | 900 | $40.5K | 0.02% | +900 | New |
| Palouse Capital Management, Inc. | 989 | $44.5K | 0.03% | −1,635−62.3% | Reduced |
| Hollencrest Capital Management | 1,000 | $45.0K | 0.00% | +1,000 | New |
| IFP Advisors, Inc | 1,033 | $46.5K | 0.00% | +12+1.2% | Added |
| Nomura Asset Management Co Ltd | 1,070 | $48.2K | 0.00% | −730−40.6% | Reduced |
| Bessemer Group Inc | 1,216 | $55.0K | 0.00% | +135+12.5% | Added |
| Root Financial Partners, LLC | 1,363 | $61.4K | 0.00% | +426+45.5% | Added |
| Leonteq Securities AG | 1,422 | $64.0K | 0.00% | +1,352+1,931.4% | Added |
| Essex Investment Management Co LLC | 1,526 | $68.7K | 0.01% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 1,569 | $70.7K | 0.00% | −380−19.5% | Reduced |
| Hurley Capital, LLC | 1,600 | $72.1K | 0.04% | +2+0.1% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,652 | $74.4K | 0.01% | +1,410+582.6% | Added |
| Massmutual Trust Co FSB | 1,706 | $76.8K | 0.00% | −4−0.2% | Reduced |
| Farther Finance Advisors, LLC | 1,660 | $77.2K | 0.00% | +153+10.2% | Added |
| Harbour Investments, Inc. | 1,743 | $78.5K | 0.00% | +121+7.5% | Added |
| Clear Street Markets LLC | 1,771 | $79.7K | 0.04% | −445−20.1% | Reduced |
| Umb Bank N A | 1,892 | $85.2K | 0.00% | +18+1.0% | Added |
| Nkcfo LLC | 2,000 | $90.0K | 0.03% | −11,100−84.7% | Reduced |
| Versant Capital Management, Inc | 2,029 | $91.4K | 0.01% | +111+5.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,103 | $94.7K | 0.00% | +621+41.9% | Added |
| Northwestern Mutual Wealth Management Co | 2,116 | $95.3K | 0.00% | −45−2.1% | Reduced |
| MAI Capital Management | 2,279 | $102.6K | 0.00% | +1,050+85.4% | Added |
| SRS Capital Advisors, Inc. | 1,690 | $112.8K | 0.00% | +1,015+150.4% | Added |
| Rockefeller Capital Management L.P. | 2,506 | $112.9K | 0.00% | +2,011+406.3% | Added |
| Quaker Wealth Management, LLC | 2,514 | $113.2K | 0.04% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 2,725 | $122.7K | 0.00% | +505+22.7% | Added |
| STRS Ohio | 2,971 | $133.8K | 0.00% | +235+8.6% | Added |
| 1620 Investment Advisors, Inc. | 3,067 | $138.1K | 0.09% | −2,752−47.3% | Reduced |
| Exchange Traded Concepts, LLC | 3,213 | $144.7K | 0.00% | −80,493−96.2% | Reduced |
| Nisa Investment Advisors, LLC | 3,705 | $166.8K | 0.00% | +1,205+48.2% | Added |
| Caption Management, LLC | 3,850 | $173.4K | 0.01% | +3,850 | New |
| EverSource Wealth Advisors, LLC | 4,311 | $194.1K | 0.01% | +943+28.0% | Added |
| WealthTrust Axiom LLC | 4,550 | $204.9K | 0.05% | +4,550 | New |
| Advisor Group Holdings, Inc. | 4,615 | $207.8K | 0.00% | −1,982−30.0% | Reduced |
| Diversify Wealth Management, LLC | 2,970 | $209.7K | 0.00% | +2,970 | New |
| First Command Advisory Services, Inc. | 4,700 | $211.6K | 0.00% | 00.0% | Unchanged |
| First Affirmative Financial Network | 4,777 | $215.1K | 0.08% | +4,777 | New |
| Cambria Investment Management, L.P. | 4,834 | $217.7K | 0.01% | +4,834 | New |
| Caxton Associates LLP | 4,887 | $220.1K | 0.01% | +4,887 | New |
| Wealthfront Advisers LLC | 4,890 | $220.2K | 0.00% | +4,890 | New |
| denkapparat Operations GmbH | 4,896 | $220.5K | 0.09% | +4,896 | New |
| Perigon Wealth Management, LLC | 4,901 | $220.7K | 0.00% | +4,901 | New |
| Tower Research Capital LLC (TRC) | 4,917 | $221.4K | 0.01% | −5,317−52.0% | Reduced |
| 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 |
| Marex Group plc | 5,009 | $225.6K | 0.00% | +5,009 | New |
| Signaturefd, LLC | 5,151 | $231.9K | 0.00% | +2,507+94.8% | Added |
| Allworth Financial LP | 5,192 | $233.8K | 0.00% | +1,101+26.9% | Added |
| United Capital Financial Advisers, LLC | 5,243 | $236.1K | 0.00% | +5,243 | New |
| Empowered Funds, LLC | 5,258 | $236.8K | 0.00% | +5,258 | New |
| Norden Group LLC | 5,261 | $236.9K | 0.02% | −128−2.4% | Reduced |
| Coldstream Capital Management Inc | 5,274 | $237.5K | 0.00% | −1,772−25.1% | Reduced |
| Optas, LLC | 5,375 | $242.0K | 0.04% | +120+2.3% | Added |
| Independent Advisor Alliance | 5,433 | $244.6K | 0.00% | +5,433 | New |
| Connecticut Capital Management Group, LLC | 5,555 | $250.1K | 0.24% | −10.0% | Reduced |
| Jackson Thornton Asset Management, LLC | 4,339 | $251.5K | 0.02% | −271−5.9% | Reduced |
| Bayforest Capital Ltd | 5,632 | $253.6K | 0.28% | −4,360−43.6% | Reduced |
| Private Advisor Group, LLC | 5,635 | $253.8K | 0.00% | +5,635 | New |
| Diversified Trust Co | 5,663 | $255.0K | 0.00% | −12,893−69.5% | Reduced |
| Advisory Services Network, LLC | 5,682 | $255.9K | 0.00% | −166−2.8% | Reduced |
| Commonwealth Equity Services, LLC | 5,724 | $257.7K | 0.00% | +5,724 | New |
| Lido Advisors, LLC | 5,734 | $258.2K | 0.00% | +5,734 | New |
| Westwood Holdings Group Inc. | 5,755 | $259.1K | 0.00% | −1,522−20.9% | Reduced |
| Entropy Technologies, LP | 5,759 | $259.3K | 0.01% | +5,759 | New |
| Arrowstreet Capital, Limited Partnership | 5,878 | $264.7K | 0.00% | −788,352−99.3% | Reduced |
| Blackstone Group Inc. | 5,910 | $266.1K | 0.00% | +5,910 | New |
| Neuberger Berman Group LLC | 5,924 | $266.8K | 0.00% | +111+1.9% | Added |
| Sivia Capital Partners, LLC | 5,979 | $269.2K | 0.05% | +5,979 | New |
| HB Wealth Management, LLC | 6,007 | $270.5K | 0.00% | +6,007 | New |
| Hantz Financial Services, Inc. | 6,065 | $273.0K | 0.00% | +612+11.2% | Added |
| Mackenzie Financial Corp | 6,065 | $273.1K | 0.00% | −1,061−14.9% | Reduced |
| Stifel Financial Corp | 6,131 | $276.1K | 0.00% | +104+1.7% | Added |
| Dynamic Technology Lab Private Ltd | 6,175 | $278.1K | 0.05% | +6,175 | New |
| Argent Trust Co | 6,191 | $278.8K | 0.01% | 00.0% | Unchanged |
| Bayesian Capital Management, LP | 6,199 | $279.1K | 0.34% | +6,199 | New |
| Marshall Wace, LLP | 6,225 | $280.3K | 0.00% | +6,225 | New |
| Jones Financial Companies LLLP | 6,324 | $281.1K | 0.00% | +4,334+217.8% | Added |
| Maryland State Retirement & Pension System | 6,420 | $289.1K | 0.01% | 00.0% | Unchanged |
| Gateway Investment Advisers LLC | 6,460 | $290.9K | 0.00% | −615−8.7% | Reduced |
| Crossmark Global Holdings, Inc. | 6,476 | $291.6K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 6,544 | $294.7K | 0.05% | +6,544 | New |
| Utah Retirement Systems | 6,597 | $297.1K | 0.00% | +497+8.1% | Added |
| Rothschild Investment LLC | 6,698 | $301.6K | 0.02% | +1,348+25.2% | Added |
| NorthCrest Asset Manangement, LLC | 6,461 | $301.7K | 0.01% | −9−0.1% | Reduced |
| Warren Averett Asset Management, LLC | 6,824 | $307.3K | 0.00% | +798+13.2% | Added |
| Atria Investments LLC | 6,865 | $309.1K | 0.00% | +351+5.4% | Added |
| Apollon Wealth Management, LLC | 7,005 | $315.4K | 0.01% | +7,005 | New |
| Clearwave Capital, LLC | 7,008 | $315.6K | 0.22% | +7,008 | New |
| US Bancorp | 7,109 | $320.1K | 0.00% | +471+7.1% | Added |
| Caerus Investment Advisors, LLC | 7,115 | $320.4K | 0.14% | +9+0.1% | Added |
| DnB Asset Management AS | 7,176 | $323.1K | 0.00% | +7,176 | New |
| Boothbay Fund Management, LLC | 7,183 | $323.4K | 0.01% | +391+5.8% | Added |