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 2023
Institutional positions in Amkor Technology, Inc. as of Dec 31, 2023. 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
- 317
- +16 vs. Q3 2023
- Shares held
- 105.1M
- +2.08M (+2.0%) vs. Q3 2023
- Total value
- $3.50B
- +$1.16B (+49.9%) vs. Q3 2023
- New holders
- 58
- 114 more added
- Sold out
- 42
- 106 more reduced
4 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 41,405 | $1.38M | 0.04% | +41,405 | New |
| Comerica Bank | 41,777 | $1.39M | 0.01% | +53+0.1% | Added |
| Voya Investment Management LLC | 42,329 | $1.41M | 0.00% | +1,445+3.5% | Added |
| Royal Bank of Canada | 43,499 | $1.45M | 0.00% | +21,621+98.8% | Added |
| State of Wisconsin Investment Board | 43,793 | $1.46M | 0.00% | +31,383+252.9% | Added |
| Martingale Asset Management L P | 46,434 | $1.54M | 0.03% | −201−0.4% | Reduced |
| Two Sigma Investments, LP | 46,900 | $1.56M | 0.00% | −192,864−80.4% | Reduced |
| New York State Teachers Retirement System | 47,759 | $1.59M | 0.00% | −1,298−2.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 47,837 | $1.59M | 0.01% | +8,010+20.1% | Added |
| Yousif Capital Management, LLC | 47,952 | $1.60M | 0.02% | −3,021−5.9% | Reduced |
| Susquehanna International Group, LLP | 51,802 | $1.72M | 0.00% | +51,802 | New |
| Mirabella Financial Services LLP | 52,143 | $1.73M | 0.25% | −62,955−54.7% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 54,481 | $1.81M | 0.03% | +54,481 | New |
| Amalgamated Bank | 59,569 | $1.98M | 0.02% | +1,062+1.8% | Added |
| Russell Investments Group, Ltd. | 60,650 | $2.02M | 0.00% | +9,881+19.5% | Added |
| O'Shaughnessy Asset Management, LLC | 61,726 | $2.05M | 0.03% | −507−0.8% | Reduced |
| Mutual of America Capital Management LLC | 63,768 | $2.12M | 0.02% | −3,308−4.9% | Reduced |
| Franklin Resources Inc | 64,275 | $2.14M | 0.00% | −1,932−2.9% | Reduced |
| CI Private Wealth, LLC | 64,341 | $2.14M | 0.00% | +7,150+12.5% | Added |
| Guggenheim Capital LLC | 67,333 | $2.24M | 0.02% | −29,228−30.3% | Reduced |
| State Board of Administration of Florida Retirement System | 67,475 | $2.24M | 0.00% | +3,718+5.8% | Added |
| Deutsche Bank AG | 67,718 | $2.25M | 0.00% | +7,346+12.2% | Added |
| Dynamic Technology Lab Private Ltd | 69,543 | $2.31M | 0.24% | +43,745+169.6% | Added |
| D. E. Shaw & Co., Inc. | 71,151 | $2.37M | 0.00% | −238,714−77.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 71,565 | $2.38M | 0.00% | +71,565 | New |
| LPL Financial LLC | 81,854 | $2.72M | 0.00% | +17,056+26.3% | Added |
| GHP Investment Advisors, Inc. | 84,588 | $2.81M | 0.15% | +3,736+4.6% | Added |
| Fisher Asset Management, LLC | 87,364 | $2.91M | 0.00% | +2,207+2.6% | Added |
| Texas Permanent School Fund | 89,167 | $2.97M | 0.03% | +1,515+1.7% | Added |
| State of New Jersey Common Pension Fund D | 89,516 | $2.98M | 0.01% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 90,958 | $3.03M | 0.02% | −27,044−22.9% | Reduced |
| Denali Advisors LLC | 92,201 | $3.07M | 0.94% | +400.0% | Added |
| New York State Common Retirement Fund | 94,286 | $3.14M | 0.00% | −2,030−2.1% | Reduced |
| Great West Life Assurance Co | 95,126 | $3.16M | 0.01% | +6,705+7.6% | Added |
| Ambassador Advisors, LLC | 98,640 | $3.19M | 0.71% | +98,640 | New |
| Citigroup Inc | 97,795 | $3.25M | 0.00% | +23,780+32.1% | Added |
| Illinois Municipal Retirement Fund | 98,897 | $3.29M | 0.06% | +17,244+21.1% | Added |
| KBC Group NV | 100,730 | $3.35M | 0.01% | +475+0.5% | Added |
| Macquarie Group Ltd | 102,600 | $3.41M | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 104,448 | $3.48M | 0.00% | +8,942+9.4% | Added |
| Cerity Partners LLC | 109,025 | $3.63M | 0.01% | +109,025 | New |
| Victory Capital Management Inc | 109,341 | $3.64M | 0.00% | +55,872+104.5% | Added |
| Alberta Investment Management Corp | 112,600 | $3.75M | 0.04% | 00.0% | Unchanged |
| UBS Group AG | 113,060 | $3.76M | 0.00% | +12,712+12.7% | Added |
| MetLife Investment Management | 115,125 | $3.83M | 0.03% | +3,542+3.2% | Added |
| California State Teachers Retirement System | 117,468 | $3.91M | 0.01% | −2,899−2.4% | Reduced |
| Credit Suisse AG | 123,398 | $4.11M | 0.00% | +8,196+7.1% | Added |
| Knights of Columbus Asset Advisors LLC | 128,832 | $4.29M | 0.28% | +128,832 | New |
| Retirement Systems of Alabama | 129,277 | $4.30M | 0.02% | +413+0.3% | Added |
| UBS Asset Management Americas Inc | 131,469 | $4.37M | 0.00% | −991−0.7% | Reduced |
| Massachusetts Financial Services Co | 135,449 | $4.51M | 0.00% | +2,173+1.6% | Added |
| Manufacturers Life Insurance Company, The | 136,462 | $4.54M | 0.00% | −1,050−0.8% | Reduced |
| Readystate Asset Management LP | 141,100 | $4.69M | 0.28% | +141,100 | New |
| Allianz Asset Management GmbH | 141,795 | $4.72M | 0.01% | −33,978−19.3% | Reduced |
| Wells Fargo & Company | 145,411 | $4.84M | 0.00% | −9,393−6.1% | Reduced |
| Kennedy Capital Management, Inc. | 158,759 | $5.28M | 0.12% | +158,759 | New |
| Thrivent Financial for Lutherans | 159,714 | $5.31M | 0.01% | +69,794+77.6% | Added |
| Legal & General Group Plc | 163,218 | $5.43M | 0.00% | −300.0% | Reduced |
| Two Sigma Advisers, LP | 171,300 | $5.70M | 0.01% | −42,900−20.0% | Reduced |
| Jane Street Group, LLC | 177,043 | $5.89M | 0.01% | +167,937+1,844.2% | Added |
| Capital Fund Management S.A. | 179,289 | $5.96M | 0.08% | +1,144+0.6% | Added |
| Robotti Robert | 181,572 | $6.04M | 0.87% | −358−0.2% | Reduced |
| Citadel Advisors LLC | 189,660 | $6.31M | 0.01% | −122,458−39.2% | Reduced |
| American International Group, Inc. | 194,564 | $6.47M | 0.03% | −1,142−0.6% | Reduced |
| State of Alaska, Department of Revenue | 198,587 | $6.61M | 0.08% | −680−0.3% | Reduced |
| Portolan Capital Management, LLC | 199,616 | $6.64M | 0.58% | −173,418−46.5% | Reduced |
| Wellington Management Group LLP | 200,833 | $6.68M | 0.00% | +11,452+6.0% | Added |
| Bank of America Corp | 202,502 | $6.74M | 0.00% | −166,098−45.1% | Reduced |
| Tudor Investment Corp Et Al | 203,178 | $6.76M | 0.09% | +39,053+23.8% | Added |
| Trexquant Investment LP | 213,657 | $7.11M | 0.16% | +163,111+322.7% | Added |
| Swiss National Bank | 218,000 | $7.25M | 0.01% | −25,000−10.3% | Reduced |
| Assenagon Asset Management S.A. | 224,561 | $7.47M | 0.02% | −82,598−26.9% | Reduced |
| Bridgeway Capital Management, LLC | 225,450 | $7.50M | 0.16% | −15,300−6.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 249,934 | $8.32M | 0.02% | +362+0.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 257,000 | $8.55M | 0.03% | +257,000 | New |
| FMR LLC | 262,254 | $8.73M | 0.00% | +32,778+14.3% | Added |
| Squarepoint Ops LLC | 272,359 | $9.06M | 0.04% | −142,371−34.3% | Reduced |
| Barclays PLC | 275,570 | $9.17M | 0.00% | +176,492+178.1% | Added |
| Baird Financial Group, Inc. | 281,789 | $9.38M | 0.02% | +33,172+13.3% | Added |
| M&G Investment Management Ltd | 300,708 | $9.92M | 0.06% | +3,303+1.1% | Added |
| Bandera Partners LLC | 304,853 | $10.1M | 3.36% | −300,000−49.6% | Reduced |
| Envestnet Asset Management Inc | 347,984 | $11.6M | 0.00% | −947−0.3% | Reduced |
| Rhumbline Advisers | 370,185 | $12.3M | 0.01% | +14,397+4.0% | Added |
| Man Group plc | 393,417 | $13.1M | 0.04% | – | – |
| Voloridge Investment Management, LLC | 394,529 | $13.1M | 0.05% | +2,229+0.6% | Added |
| First Eagle Investment Management, LLC | 417,599 | $13.9M | 0.03% | +14,850+3.7% | Added |
| Principal Financial Group Inc | 438,698 | $14.6M | 0.01% | +12,846+3.0% | Added |
| Janus Henderson Group PLC | 457,081 | $15.2M | 0.01% | +99,867+28.0% | Added |
| JPMorgan Chase & Co | 464,759 | $15.5M | 0.00% | −61,972−11.8% | Reduced |
| Nuveen Asset Management, LLC | 510,164 | $17.0M | 0.01% | +16,714+3.4% | Added |
| Prudential Financial Inc | 528,849 | $17.6M | 0.03% | +100,294+23.4% | Added |
| Royce & Associates LP | 540,838 | $18.0M | 0.17% | −48,173−8.2% | Reduced |
| Boston Partners | 622,144 | $20.7M | 0.03% | +401,218+181.6% | Added |
| Tredje AP-fonden | 627,000 | $20.9M | 0.26% | +627,000 | New |
| Marshall Wace, LLP | 826,903 | $27.5M | 0.05% | −203,761−19.8% | Reduced |
| TT International Asset Management LTD | 910,271 | $30.3M | 3.87% | +910,271 | New |
| Westwood Holdings Group Inc. | 1,078,173 | $35.9M | 0.30% | +20,415+1.9% | Added |
| American Century Companies Inc | 1,085,764 | $36.1M | 0.02% | −78,205−6.7% | Reduced |
| Invesco Ltd. | 1,107,621 | $36.9M | 0.01% | −210,537−16.0% | Reduced |
| Norges Bank | 1,178,959 | $39.2M | 0.01% | +584,169+98.2% | Added |