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 |
|---|---|---|---|---|---|
| Goldman Sachs Group Inc | 856,927 | $38.6M | 0.01% | +350,408+69.2% | Added |
| SW Investment Management LLC | 900,000 | $40.5M | 8.99% | −500,000−35.7% | Reduced |
| Northern Trust Corp | 943,843 | $42.5M | 0.01% | +48,803+5.5% | Added |
| Squarepoint Ops LLC | 966,791 | $43.5M | 0.09% | +966,791 | New |
| SG Americas Securities, LLC | 978,570 | $44.1M | 0.05% | +278,521+39.8% | Added |
| Bank of New York Mellon Corp | 983,987 | $44.3M | 0.01% | +16,995+1.8% | Added |
| Voloridge Investment Management, LLC | 1,061,839 | $47.8M | 0.19% | +1,061,839 | New |
| Trexquant Investment LP | 1,066,184 | $48.0M | 0.35% | +1,066,184 | New |
| Gotham Asset Management, LLC | 1,073,270 | $48.3M | 0.15% | −119,382−10.0% | Reduced |
| UBS Group AG | 1,137,297 | $51.2M | 0.01% | −117,361−9.4% | Reduced |
| Two Sigma Investments, LP | 1,213,894 | $54.7M | 0.05% | +661,112+119.6% | Added |
| LSV Asset Management | 1,310,500 | $59.0M | 0.13% | −1,509,562−53.5% | Reduced |
| Morgan Stanley | 1,372,808 | $61.8M | 0.00% | −433,841−24.0% | Reduced |
| Allianz Asset Management GmbH | 1,384,433 | $62.3M | 0.07% | +376,799+37.4% | Added |
| D. E. Shaw & Co., Inc. | 1,488,765 | $67.0M | 0.05% | +1,333,979+861.8% | Added |
| Bridgewater Associates, LP | 1,580,929 | $71.2M | 0.32% | +1,504,790+1,976.4% | Added |
| First Trust Advisors LP | 1,793,537 | $80.8M | 0.06% | −928,773−34.1% | Reduced |
| Invesco Ltd. | 1,889,405 | $85.1M | 0.01% | +773,817+69.4% | Added |
| Fisher Asset Management, LLC | 2,010,982 | $90.6M | 0.03% | −84,045−4.0% | Reduced |
| Charles Schwab Investment Management Inc | 2,101,538 | $94.6M | 0.01% | +2,189+0.1% | Added |
| Jane Street Group, LLC | 2,329,820 | $104.9M | 0.11% | +2,266,477+3,578.1% | Added |
| Principal Financial Group Inc | 2,622,744 | $118.1M | 0.06% | +423,629+19.3% | Added |
| American Century Companies Inc | 2,713,260 | $122.2M | 0.06% | −863,628−24.1% | Reduced |
| Geode Capital Management, LLC | 2,730,508 | $123.0M | 0.01% | +498,297+22.3% | Added |
| Point72 Asset Management, L.P. | 2,993,434 | $134.8M | 0.23% | −70,667−2.3% | Reduced |
| AQR Capital Management LLC | 3,242,130 | $141.4M | 0.06% | −57,845−1.8% | Reduced |
| Earnest Partners LLC | 3,431,843 | $154.5M | 0.64% | −360,581−9.5% | Reduced |
| State Street Corp | 3,628,542 | $163.4M | 0.01% | +154,617+4.5% | Added |
| JPMorgan Chase & Co | 5,406,545 | $223.0M | 0.02% | +5,069,657+1,504.8% | Added |
| Vanguard Capital Management LLC | 5,434,318 | $244.7M | 0.01% | +5,434,318 | New |
| Vanguard Portfolio Management LLC | 9,095,848 | $409.6M | 0.02% | +9,095,848 | New |
| Dimensional Fund Advisors LP | 10,991,469 | $494.9M | 0.10% | −1,781,422−13.9% | Reduced |
| BlackRock, Inc. | 12,968,765 | $584.0M | 0.01% | +45,820+0.4% | Added |
| Discovery Capital Management, LLC | 0 | $0 | 0.00% | −2,614,934−100.0% | Sold out |
| Ardmore Road Asset Management LP | 0 | $0 | 0.00% | −469,121−100.0% | Sold out |
| Styrax Capital, LP | 0 | $0 | 0.00% | −337,908−100.0% | Sold out |
| Talos Asset Management LP | 0 | $0 | 0.00% | −280,400−100.0% | Sold out |
| Fourier Capital Management Ltd | 0 | $0 | 0.00% | −258,802−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −232,949−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −165,200−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −164,516−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −147,016−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −135,400−100.0% | Sold out |
| Ambassador Advisors, LLC | 0 | $0 | 0.00% | −132,020−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −124,447−100.0% | Sold out |
| Kingsview Wealth Management, LLC | 0 | $0 | 0.00% | −103,407−100.0% | Sold out |
| AI-Squared Management Ltd | 0 | $0 | 0.00% | −98,200−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −84,866−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −84,053−100.0% | Sold out |
| Andar Capital Management HK Ltd | 0 | $0 | 0.00% | −70,395−100.0% | Sold out |
| Katamaran Capital LLP | 0 | $0 | 0.00% | −57,959−100.0% | Sold out |
| Itau Unibanco Holding S.A. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Silvercrest Asset Management Group LLC | 0 | $0 | 0.00% | −50,875−100.0% | Sold out |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −48,698−100.0% | Sold out |
| Knights of Columbus Asset Advisors LLC | 0 | $0 | 0.00% | −42,878−100.0% | Sold out |
| Oasis Management Co Ltd. | 0 | $0 | 0.00% | −30,800−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −30,630−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −28,718−100.0% | Sold out |
| Easterly Investment Partners LLC | 0 | $0 | 0.00% | −27,049−100.0% | Sold out |
| Black Swift Group, LLC | 0 | $0 | 0.00% | −20,200−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −21,758−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −21,313−100.0% | Sold out |
| Robotti Robert | 0 | $0 | 0.00% | −17,395−100.0% | Sold out |
| Lotus Technology Management, LP | 0 | $0 | 0.00% | −16,949−100.0% | Sold out |
| Moody National Bank Trust Division | 0 | $0 | 0.00% | −16,615−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −15,058−100.0% | Sold out |
| Impact Partnership Wealth, LLC | 0 | $0 | 0.00% | −12,658−100.0% | Sold out |
| Northwest & Ethical Investments L.P. | 0 | $0 | 0.00% | −10,600−100.0% | Sold out |
| Highland Capital Management, LLC | 0 | $0 | 0.00% | −10,682−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −8,340−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −7,954−100.0% | Sold out |
| Tairen Capital Ltd | 0 | $0 | 0.00% | −6,500−100.0% | Sold out |
| Resources Investment Advisors, LLC. | 0 | $0 | 0.00% | −6,059−100.0% | Sold out |
| Kestra Private Wealth Services, LLC | 0 | $0 | 0.00% | −5,867−100.0% | Sold out |
| CFC Planning Co LLC | 0 | $0 | 0.00% | −5,690−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −5,630−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −5,400−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −5,157−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −5,110−100.0% | Sold out |
| AlphaCore Capital LLC | 0 | $0 | 0.00% | −5,086−100.0% | Sold out |
| USA Financial Portformulas Corp | 0 | $0 | 0.00% | −4,537−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −3,110−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −1,033−100.0% | Sold out |
| Matrix Trust Co | 0 | $0 | 0.00% | −619−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −485−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −137−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −83−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −69−100.0% | Sold out |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −10,009−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| EMC Capital Management | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |