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, Q4 2025
Institutional positions in Amkor Technology, Inc. as of Dec 31, 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
- 455
- +80 vs. Q3 2025
- Shares held
- 113.6M
- +6.54M (+6.1%) vs. Q3 2025
- Total value
- $4.49B
- +$1.45B (+47.7%) vs. Q3 2025
- New holders
- 123
- 122 more added
- Sold out
- 43
- 156 more reduced
8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cookson Peirce & Co Inc | 37,390 | $1.48M | 0.06% | +37,390 | New |
| Public Employees Retirement System of Ohio | 38,296 | $1.51M | 0.00% | −1,558−3.9% | Reduced |
| New York State Teachers Retirement System | 38,386 | $1.51M | 0.00% | −1,094−2.8% | Reduced |
| SummerHaven Investment Management, LLC | 38,654 | $1.53M | 0.87% | 00.0% | Unchanged |
| Mariner, LLC | 40,898 | $1.61M | 0.00% | −57,002−58.2% | Reduced |
| Virtu Financial LLC | 42,017 | $1.66M | 0.06% | +32,491+341.1% | Added |
| KBC Group NV | 42,823 | $1.69M | 0.00% | −5,999−12.3% | Reduced |
| Holocene Advisors, LP | 42,861 | $1.69M | 0.00% | −52,960−55.3% | Reduced |
| Knights of Columbus Asset Advisors LLC | 42,878 | $1.69M | 0.10% | −24,674−36.5% | Reduced |
| Yousif Capital Management, LLC | 35,013 | $1.72M | 0.02% | −670−1.9% | Reduced |
| CWM Advisors, LLC | 43,594 | $1.72M | 0.15% | +27,677+173.9% | Added |
| New York State Common Retirement Fund | 45,793 | $1.81M | 0.00% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 46,324 | $1.83M | 0.01% | +2,600+5.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 46,403 | $1.83M | 0.00% | +11,334+32.3% | Added |
| Mutual of America Capital Management LLC | 47,323 | $1.87M | 0.02% | −5,181−9.9% | Reduced |
| Treasurer of the State of North Carolina | 47,855 | $1.89M | 0.01% | −3,494−6.8% | Reduced |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 48,698 | $1.92M | 0.28% | +48,698 | New |
| Police & Firemen's Retirement System of New Jersey | 49,530 | $1.96M | 0.02% | −213−0.4% | Reduced |
| M&T Bank Corp | 50,508 | $1.99M | 0.01% | +1,857+3.8% | Added |
| Silvercrest Asset Management Group LLC | 50,875 | $2.01M | 0.01% | −27,650−35.2% | Reduced |
| Itau Unibanco Holding S.A. | 50,000 | $2.02M | 0.05% | +50,000 | New |
| BNP Paribas Arbitrage, SA | 51,783 | $2.04M | 0.00% | +9,854+23.5% | Added |
| Amalgamated Bank | 54,006 | $2.13M | 0.02% | +1,850+3.5% | Added |
| Citigroup Inc | 55,077 | $2.17M | 0.00% | −975−1.7% | Reduced |
| Thrivent Financial for Lutherans | 55,255 | $2.18M | 0.00% | −4,205−7.1% | Reduced |
| State Board of Administration of Florida Retirement System | 55,561 | $2.19M | 0.00% | +7,950+16.7% | Added |
| MetLife Investment Management | 55,569 | $2.19M | 0.01% | −2,871−4.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 56,945 | $2.25M | 0.01% | +18,314+47.4% | Added |
| Oliver Luxxe Assets LLC | 57,100 | $2.25M | 0.34% | +57,100 | New |
| Katamaran Capital LLP | 57,959 | $2.29M | 1.73% | +57,959 | New |
| Janus Henderson Group PLC | 58,323 | $2.30M | 0.00% | +7,900+15.7% | Added |
| Jackson Creek Investment Advisors LLC | 58,610 | $2.31M | 0.68% | +58,610 | New |
| State of Tennessee, Treasury Department | 51,501 | $2.49M | 0.01% | +8,407+19.5% | Added |
| Jane Street Group, LLC | 63,343 | $2.50M | 0.00% | −313,539−83.2% | Reduced |
| Covea Finance | 65,200 | $2.57M | 0.08% | +65,200 | New |
| Philadelphia Trust Co | 66,400 | $2.62M | 0.18% | −10,000−13.1% | Reduced |
| 1492 Capital Management LLC | 69,513 | $2.74M | 1.05% | −50,827−42.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 53,693 | $2.77M | 0.00% | −5,693−9.6% | Reduced |
| State of New Jersey Common Pension Fund D | 70,279 | $2.77M | 0.01% | +70,279 | New |
| LPL Financial LLC | 70,285 | $2.77M | 0.00% | −11,341−13.9% | Reduced |
| Andar Capital Management HK Ltd | 70,395 | $2.78M | 3.00% | +70,395 | New |
| UG Investment Advisers Ltd. | 70,989 | $2.80M | 0.65% | −106,276−60.0% | Reduced |
| Susquehanna International Group, LLP | 71,504 | $2.82M | 0.00% | −391,400−84.6% | Reduced |
| Great West Life Assurance Co | 73,172 | $2.89M | 0.01% | −41,187−36.0% | Reduced |
| Walleye Trading LLC | 73,597 | $2.91M | 0.05% | +73,597 | New |
| Jackson Square Capital, LLC | 74,407 | $2.94M | 0.58% | +74,407 | New |
| Bridgewater Associates, LP | 76,139 | $3.01M | 0.01% | +76,139 | New |
| Engineers Gate Manager LP | 78,661 | $3.11M | 0.04% | −27,190−25.7% | Reduced |
| Weiss Asset Management LP | 82,516 | $3.26M | 0.05% | +82,516 | New |
| Exchange Traded Concepts, LLC | 83,706 | $3.30M | 0.03% | +83,706 | New |
| Natixis | 84,053 | $3.32M | 0.01% | +75,099+838.7% | Added |
| Schonfeld Strategic Advisors LLC | 84,866 | $3.35M | 0.02% | +49,032+136.8% | Added |
| Creative Planning | 85,270 | $3.37M | 0.00% | +33,114+63.5% | Added |
| GHP Investment Advisors, Inc. | 89,802 | $3.55M | 0.15% | +2,931+3.4% | Added |
| Manufacturers Life Insurance Company, The | 90,756 | $3.58M | 0.00% | −1,958−2.1% | Reduced |
| Mubadala Investment Co PJSC | 93,201 | $3.68M | 0.02% | +93,201 | New |
| Quantinno Capital Management LP | 94,664 | $3.74M | 0.01% | +23,481+33.0% | Added |
| Royal Bank of Canada | 95,431 | $3.77M | 0.00% | +13,345+16.3% | Added |
| Edgestream Partners, L.P. | 95,873 | $3.79M | 0.11% | −1,205−1.2% | Reduced |
| Victory Capital Management Inc | 96,539 | $3.81M | 0.00% | −29,589−23.5% | Reduced |
| CWM, LLC | 97,174 | $3.84M | 0.01% | +74+0.1% | Added |
| AI-Squared Management Ltd | 98,200 | $3.88M | 4.50% | +33,400+51.5% | Added |
| Kingsview Wealth Management, LLC | 103,407 | $4.08M | 0.06% | +103,407 | New |
| ExodusPoint Capital Management, LP | 110,325 | $4.36M | 0.05% | −81,759−42.6% | Reduced |
| Franklin Resources Inc | 113,300 | $4.47M | 0.00% | +109,073+2,580.4% | Added |
| Soviero Asset Management, LP | 114,000 | $4.50M | 2.35% | +9,000+8.6% | Added |
| Twin Tree Management, LP | 117,361 | $4.63M | 0.47% | +34,475+41.6% | Added |
| California State Teachers Retirement System | 117,973 | $4.66M | 0.00% | +1,650+1.4% | Added |
| GF Fund Management Co. Ltd. | 123,314 | $4.87M | 0.08% | +123,314 | New |
| Balyasny Asset Management LLC | 124,447 | $4.91M | 0.01% | +124,447 | New |
| State of Alaska, Department of Revenue | 126,843 | $5.01M | 0.05% | −25,910−17.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 128,423 | $5.07M | 0.01% | +122,097+1,930.1% | Added |
| Price T Rowe Associates Inc | 130,970 | $5.17M | 0.00% | +50,015+61.8% | Added |
| Russell Investments Group, Ltd. | 131,450 | $5.19M | 0.01% | −6,921−5.0% | Reduced |
| Cerity Partners LLC | 131,646 | $5.20M | 0.01% | −6,416−4.6% | Reduced |
| Ambassador Advisors, LLC | 132,020 | $5.21M | 0.76% | +3,557+2.8% | Added |
| Two Sigma Advisers, LP | 135,400 | $5.35M | 0.01% | +120,400+802.7% | Added |
| Retirement Systems of Alabama | 136,468 | $5.39M | 0.02% | −984−0.7% | Reduced |
| Ieq Capital, LLC | 139,558 | $5.51M | 0.02% | −80,050−36.5% | Reduced |
| EAM Investors, LLC | 147,016 | $5.80M | 0.65% | +147,016 | New |
| Federated Hermes, Inc. | 153,637 | $6.07M | 0.01% | +797+0.5% | Added |
| D. E. Shaw & Co., Inc. | 154,786 | $6.11M | 0.00% | +35,886+30.2% | Added |
| Credit Agricole S A | 162,468 | $6.41M | 0.02% | +162,468 | New |
| Walleye Capital LLC | 164,516 | $6.50M | 0.04% | +164,516 | New |
| Twinbeech Capital LP | 165,200 | $6.52M | 0.46% | +50,599+44.2% | Added |
| Occudo Quantitative Strategies LP | 165,840 | $6.55M | 0.44% | +147,614+809.9% | Added |
| Allspring Global Investments Holdings, LLC | 153,004 | $6.57M | 0.01% | −74,675−32.8% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 171,272 | $6.77M | 0.01% | −43,492−20.3% | Reduced |
| CastleKnight Management LP | 174,000 | $6.87M | 0.39% | +174,000 | New |
| Legal & General Group Plc | 184,659 | $7.29M | 0.00% | −5,390−2.8% | Reduced |
| Acadian Asset Management LLC | 190,103 | $7.50M | 0.01% | +26,661+16.3% | Added |
| Barclays PLC | 202,211 | $7.98M | 0.00% | +11,994+6.3% | Added |
| Ameriprise Financial Inc | 215,721 | $8.52M | 0.00% | −400,790−65.0% | Reduced |
| HSBC Holdings PLC | 214,876 | $8.59M | 0.00% | +200,369+1,381.2% | Added |
| CI Private Wealth, LLC | 219,648 | $8.82M | 0.01% | +165,829+308.1% | Added |
| Rokos Capital Management LLP | 224,972 | $8.89M | 0.13% | +224,972 | New |
| Picton Mahoney Asset Management | 232,949 | $9.20M | 0.10% | +232,949 | New |
| Millennium Management LLC | 236,152 | $9.32M | 0.01% | −504,254−68.1% | Reduced |
| Swiss National Bank | 243,700 | $9.62M | 0.01% | +4,200+1.8% | Added |
| Fourier Capital Management Ltd | 258,802 | $10.2M | 10.86% | +258,802 | New |