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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12,968,765 | $584.0M | 0.01% | +45,820+0.4% | Added |
| Dimensional Fund Advisors LP | 10,991,469 | $494.9M | 0.10% | −1,781,422−13.9% | Reduced |
| Vanguard Portfolio Management LLC | 9,095,848 | $409.6M | 0.02% | +9,095,848 | New |
| Vanguard Capital Management LLC | 5,434,318 | $244.7M | 0.01% | +5,434,318 | New |
| JPMorgan Chase & Co | 5,406,545 | $223.0M | 0.02% | +5,069,657+1,504.8% | Added |
| State Street Corp | 3,628,542 | $163.4M | 0.01% | +154,617+4.5% | Added |
| Earnest Partners LLC | 3,431,843 | $154.5M | 0.64% | −360,581−9.5% | Reduced |
| AQR Capital Management LLC | 3,242,130 | $141.4M | 0.06% | −57,845−1.8% | Reduced |
| Point72 Asset Management, L.P. | 2,993,434 | $134.8M | 0.23% | −70,667−2.3% | Reduced |
| Geode Capital Management, LLC | 2,730,508 | $123.0M | 0.01% | +498,297+22.3% | Added |
| American Century Companies Inc | 2,713,260 | $122.2M | 0.06% | −863,628−24.1% | Reduced |
| Principal Financial Group Inc | 2,622,744 | $118.1M | 0.06% | +423,629+19.3% | Added |
| Jane Street Group, LLC | 2,329,820 | $104.9M | 0.11% | +2,266,477+3,578.1% | Added |
| Charles Schwab Investment Management Inc | 2,101,538 | $94.6M | 0.01% | +2,189+0.1% | Added |
| Fisher Asset Management, LLC | 2,010,982 | $90.6M | 0.03% | −84,045−4.0% | Reduced |
| Invesco Ltd. | 1,889,405 | $85.1M | 0.01% | +773,817+69.4% | Added |
| First Trust Advisors LP | 1,793,537 | $80.8M | 0.06% | −928,773−34.1% | Reduced |
| Bridgewater Associates, LP | 1,580,929 | $71.2M | 0.32% | +1,504,790+1,976.4% | Added |
| D. E. Shaw & Co., Inc. | 1,488,765 | $67.0M | 0.05% | +1,333,979+861.8% | Added |
| Allianz Asset Management GmbH | 1,384,433 | $62.3M | 0.07% | +376,799+37.4% | Added |
| Morgan Stanley | 1,372,808 | $61.8M | 0.00% | −433,841−24.0% | Reduced |
| LSV Asset Management | 1,310,500 | $59.0M | 0.13% | −1,509,562−53.5% | Reduced |
| Two Sigma Investments, LP | 1,213,894 | $54.7M | 0.05% | +661,112+119.6% | Added |
| UBS Group AG | 1,137,297 | $51.2M | 0.01% | −117,361−9.4% | Reduced |
| Gotham Asset Management, LLC | 1,073,270 | $48.3M | 0.15% | −119,382−10.0% | Reduced |
| Trexquant Investment LP | 1,066,184 | $48.0M | 0.35% | +1,066,184 | New |
| Voloridge Investment Management, LLC | 1,061,839 | $47.8M | 0.19% | +1,061,839 | New |
| Bank of New York Mellon Corp | 983,987 | $44.3M | 0.01% | +16,995+1.8% | Added |
| SG Americas Securities, LLC | 978,570 | $44.1M | 0.05% | +278,521+39.8% | Added |
| Squarepoint Ops LLC | 966,791 | $43.5M | 0.09% | +966,791 | New |
| Northern Trust Corp | 943,843 | $42.5M | 0.01% | +48,803+5.5% | Added |
| SW Investment Management LLC | 900,000 | $40.5M | 8.99% | −500,000−35.7% | Reduced |
| Goldman Sachs Group Inc | 856,927 | $38.6M | 0.01% | +350,408+69.2% | Added |
| LPL Financial LLC | 848,249 | $38.2M | 0.01% | +777,964+1,106.9% | Added |
| Burkehill Global Management, LP | 800,000 | $36.0M | 1.79% | +800,000 | New |
| Millennium Management LLC | 773,243 | $34.8M | 0.03% | +537,091+227.4% | Added |
| Price T Rowe Associates Inc | 746,424 | $33.6M | 0.00% | +615,454+469.9% | Added |
| Envestnet Asset Management Inc | 741,052 | $33.4M | 0.01% | +20,668+2.9% | Added |
| Vanguard Fiduciary Trust Co | 716,727 | $32.3M | 0.01% | +716,727 | New |
| Bandera Partners LLC | 693,519 | $31.2M | 14.13% | 00.0% | Unchanged |
| Nuveen, LLC | 678,235 | $30.5M | 0.01% | −24,330−3.5% | Reduced |
| Raymond James Financial Inc | 516,923 | $23.3M | 0.01% | +192,699+59.4% | Added |
| HRT Financial LP | 499,599 | $22.5M | 0.06% | +188,697+60.7% | Added |
| Wells Fargo & Company | 478,466 | $21.5M | 0.00% | −7,470−1.5% | Reduced |
| Man Group plc | 469,338 | $21.1M | 0.04% | +437,354+1,367.4% | Added |
| Lord, Abbett & Co. LLC | 455,929 | $20.5M | 0.07% | +455,929 | New |
| Segall Bryant & Hamill, LLC | 443,750 | $20.0M | 0.29% | −453,887−50.6% | Reduced |
| Light Street Capital Management, LLC | 406,990 | $18.3M | 3.69% | +119,095+41.4% | Added |
| Baird Financial Group, Inc. | 403,777 | $18.2M | 0.03% | +18,062+4.7% | Added |
| SEI Investments Co | 401,815 | $18.1M | 0.02% | +101,523+33.8% | Added |
| Russell Investments Group, Ltd. | 400,134 | $18.0M | 0.02% | +268,684+204.4% | Added |
| Acadian Asset Management LLC | 394,264 | $17.7M | 0.03% | +204,161+107.4% | Added |
| Massachusetts Financial Services Co | 366,793 | $16.5M | 0.01% | −15,548−4.1% | Reduced |
| Qube Research & Technologies Ltd | 362,137 | $16.3M | 0.02% | +328,255+968.8% | Added |
| Allspring Global Investments Holdings, LLC | 332,900 | $15.5M | 0.03% | +179,896+117.6% | Added |
| Rhumbline Advisers | 314,616 | $14.2M | 0.01% | +11,462+3.8% | Added |
| Wellington Management Group LLP | 309,134 | $13.9M | 0.00% | −129,952−29.6% | Reduced |
| Ceredex Value Advisors LLC | 308,950 | $13.9M | 0.44% | −75,400−19.6% | Reduced |
| Alliancebernstein L.P. | 350,306 | $13.8M | 0.00% | −40,234−10.3% | Reduced |
| Tudor Investment Corp Et Al | 300,870 | $13.5M | 0.07% | +300,870 | New |
| Weiss Asset Management LP | 300,000 | $13.5M | 0.25% | +217,484+263.6% | Added |
| UBS Asset Management Americas Inc | 293,072 | $13.2M | 0.00% | +16,574+6.0% | Added |
| BNP Paribas Arbitrage, SA | 288,498 | $13.0M | 0.01% | +236,715+457.1% | Added |
| Royce & Associates LP | 284,476 | $12.8M | 0.13% | −167,553−37.1% | Reduced |
| Bank of America Corp | 273,541 | $12.3M | 0.00% | −50,703−15.6% | Reduced |
| Amundi | 263,868 | $11.9M | 0.00% | +256,632+3,546.6% | Added |
| FMR LLC | 257,464 | $11.6M | 0.00% | −35,003−12.0% | Reduced |
| CastleKnight Management LP | 251,200 | $11.3M | 0.53% | +77,200+44.4% | Added |
| Seven Grand Managers, LLC | 250,000 | $11.3M | 0.75% | +250,000 | New |
| Algert Global LLC | 248,600 | $11.2M | 0.17% | +248,600 | New |
| Swiss National Bank | 244,500 | $11.0M | 0.01% | +800+0.3% | Added |
| M&G Plc | 200,182 | $9.01M | 0.05% | −105,720−34.6% | Reduced |
| Citadel Advisors LLC | 195,841 | $8.82M | 0.01% | −736,870−79.0% | Reduced |
| ExodusPoint Capital Management, LP | 186,465 | $8.40M | 0.08% | +76,140+69.0% | Added |
| Ameriprise Financial Inc | 177,271 | $7.98M | 0.00% | −38,450−17.8% | Reduced |
| Occudo Quantitative Strategies LP | 111,045 | $7.75M | 0.42% | −54,795−33.0% | Reduced |
| Legal & General Group Plc | 171,238 | $7.71M | 0.00% | −13,421−7.3% | Reduced |
| Barclays PLC | 157,166 | $7.08M | 0.00% | −45,045−22.3% | Reduced |
| Federated Hermes, Inc. | 156,526 | $7.05M | 0.01% | +2,889+1.9% | Added |
| Credit Agricole S A | 151,468 | $6.82M | 0.02% | −11,000−6.8% | Reduced |
| Engineers Gate Manager LP | 148,561 | $6.69M | 0.08% | +69,900+88.9% | Added |
| California State Teachers Retirement System | 143,178 | $6.45M | 0.01% | +25,205+21.4% | Added |
| Rokos Capital Management LLP | 142,698 | $6.43M | 0.11% | −82,274−36.6% | Reduced |
| Retirement Systems of Alabama | 139,466 | $6.28M | 0.02% | +2,998+2.2% | Added |
| Ieq Capital, LLC | 137,163 | $6.18M | 0.03% | −2,395−1.7% | Reduced |
| Aquatic Capital Management LLC | 134,418 | $6.05M | 0.17% | +134,418 | New |
| Susquehanna International Group, LLP | 132,059 | $5.95M | 0.01% | +60,555+84.7% | Added |
| Citigroup Inc | 132,050 | $5.95M | 0.00% | +76,973+139.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 129,091 | $5.81M | 0.01% | +107,827+507.1% | Added |
| State of Alaska, Department of Revenue | 126,928 | $5.71M | 0.06% | +85+0.1% | Added |
| Jump Financial, LLC | 126,727 | $5.71M | 0.08% | +93,365+279.9% | Added |
| Cerity Partners LLC | 121,377 | $5.47M | 0.01% | −10,269−7.8% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 127,933 | $5.43M | 0.02% | +127,933 | New |
| Covea Finance | 116,755 | $5.26M | 0.18% | +51,555+79.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 115,862 | $5.22M | 0.10% | +115,862 | New |
| Vanguard Asset Management, Ltd | 111,892 | $5.04M | 0.00% | +111,892 | New |
| Quantinno Capital Management LP | 107,655 | $4.85M | 0.01% | +12,991+13.7% | Added |
| Creative Planning | 107,529 | $4.84M | 0.00% | +22,259+26.1% | Added |
| Farallon Capital Management, L.L.C. | 104,000 | $4.68M | 0.03% | −360,000−77.6% | Reduced |
| CWM, LLC | 103,263 | $4.65M | 0.01% | +6,089+6.3% | Added |