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, Q3 2023
Institutional positions in Amkor Technology, Inc. as of Sep 30, 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
- 305
- +11 vs. Q2 2023
- Shares held
- 103.1M
- +6.84M (+7.1%) vs. Q2 2023
- Total value
- $2.33B
- −$524.4M (−18.3%) vs. Q2 2023
- New holders
- 57
- 113 more added
- Sold out
- 46
- 90 more reduced
6 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 14,616,559 | $330.3M | 0.11% | −109,540−0.7% | Reduced |
| Vanguard Group Inc | 13,797,154 | $311.8M | 0.01% | +1,300,745+10.4% | Added |
| BlackRock Inc. | 13,575,156 | $306.8M | 0.01% | −567,776−4.0% | Reduced |
| LSV Asset Management | 7,078,642 | $160.0M | 0.37% | −413,304−5.5% | Reduced |
| Alliancebernstein L.P. | 3,891,815 | $88.0M | 0.04% | −290,518−6.9% | Reduced |
| State Street Corp | 3,485,429 | $78.8M | 0.00% | +51,202+1.5% | Added |
| Earnest Partners LLC | 2,501,145 | $56.5M | 0.33% | −77,165−3.0% | Reduced |
| First Trust Advisors LP | 2,479,371 | $56.0M | 0.07% | +235,103+10.5% | Added |
| Geode Capital Management, LLC | 2,354,532 | $53.2M | 0.01% | +112,525+5.0% | Added |
| SW Investment Management LLC | 2,350,000 | $53.1M | 23.62% | +200,000+9.3% | Added |
| AQR Capital Management LLC | 1,939,583 | $43.8M | 0.09% | +547,604+39.3% | Added |
| Northern Trust Corp | 1,768,055 | $40.0M | 0.01% | −11,393−0.6% | Reduced |
| Morgan Stanley | 1,764,586 | $39.9M | 0.00% | +678,911+62.5% | Added |
| Charles Schwab Investment Management Inc | 1,710,584 | $38.7M | 0.01% | +311,966+22.3% | Added |
| Ameriprise Financial Inc | 1,478,046 | $33.4M | 0.01% | +1,116,729+309.1% | Added |
| Goldman Sachs Group Inc | 1,347,400 | $30.5M | 0.01% | +34,898+2.7% | Added |
| Invesco Ltd. | 1,318,158 | $29.8M | 0.01% | +144,280+12.3% | Added |
| Bank of New York Mellon Corp | 1,312,716 | $29.7M | 0.01% | −23,048−1.7% | Reduced |
| American Century Companies Inc | 1,163,969 | $26.3M | 0.02% | +21,196+1.9% | Added |
| Westwood Holdings Group Inc. | 1,057,758 | $23.9M | 0.22% | −14,973−1.4% | Reduced |
| Marshall Wace, LLP | 1,030,664 | $23.3M | 0.05% | +1,030,664 | New |
| Bandera Partners LLC | 604,853 | $13.7M | 4.94% | −100.0% | Reduced |
| Norges Bank | 594,790 | $13.4M | 0.00% | −499,320−45.6% | Reduced |
| Royce & Associates LP | 589,011 | $13.3M | 0.14% | −33,020−5.3% | Reduced |
| JPMorgan Chase & Co | 526,731 | $11.9M | 0.00% | −12,133−2.3% | Reduced |
| Nuveen Asset Management, LLC | 493,450 | $11.2M | 0.00% | −65,488−11.7% | Reduced |
| Hudson Bay Capital Management LP | 443,135 | $10.0M | 0.10% | +443,135 | New |
| Prudential Financial Inc | 428,555 | $9.69M | 0.02% | +18,949+4.6% | Added |
| Principal Financial Group Inc | 425,852 | $9.62M | 0.01% | +20,399+5.0% | Added |
| Millennium Management LLC | 419,872 | $9.49M | 0.01% | +410,877+4,567.8% | Added |
| Squarepoint Ops LLC | 414,730 | $9.37M | 0.05% | +111,537+36.8% | Added |
| First Eagle Investment Management, LLC | 402,749 | $9.10M | 0.02% | +141,970+54.4% | Added |
| Voloridge Investment Management, LLC | 392,300 | $8.87M | 0.04% | +134,325+52.1% | Added |
| Portolan Capital Management, LLC | 373,034 | $8.43M | 0.79% | +61,578+19.8% | Added |
| Bank of America Corp | 368,600 | $8.33M | 0.00% | +82,099+28.7% | Added |
| Walleye Capital LLC | 362,116 | $8.18M | 0.12% | +98,468+37.3% | Added |
| Janus Henderson Group PLC | 357,214 | $8.07M | 0.01% | +34,520+10.7% | Added |
| Rhumbline Advisers | 355,788 | $8.04M | 0.01% | +5,972+1.7% | Added |
| Envestnet Asset Management Inc | 348,931 | $7.89M | 0.00% | +112,615+47.7% | Added |
| Rokos Capital Management LLP | 334,341 | $7.64M | 0.28% | +334,341 | New |
| Citadel Advisors LLC | 312,118 | $7.05M | 0.01% | +224,651+256.8% | Added |
| D. E. Shaw & Co., Inc. | 309,865 | $7.00M | 0.01% | +309,865 | New |
| Assenagon Asset Management S.A. | 307,159 | $6.94M | 0.02% | +307,159 | New |
| M&G Investment Management Ltd | 297,405 | $6.84M | 0.05% | +14,759+5.2% | Added |
| HBK Investments L P | 300,000 | $6.78M | 0.15% | +300,000 | New |
| Mirae Asset Global Investments Co., Ltd. | 249,572 | $5.64M | 0.01% | +205,384+464.8% | Added |
| Baird Financial Group, Inc. | 248,617 | $5.62M | 0.02% | +20,540+9.0% | Added |
| Swiss National Bank | 243,000 | $5.49M | 0.00% | +2,300+1.0% | Added |
| Bridgeway Capital Management, LLC | 240,750 | $5.44M | 0.13% | +19,600+8.9% | Added |
| Two Sigma Investments, LP | 239,764 | $5.42M | 0.02% | +156,272+187.2% | Added |
| Fuller & Thaler Asset Management, Inc. | 234,693 | $5.30M | 0.03% | −90,956−27.9% | Reduced |
| FMR LLC | 229,476 | $5.19M | 0.00% | −14,178−5.8% | Reduced |
| Boston Partners | 220,926 | $4.99M | 0.01% | −10,792−4.7% | Reduced |
| Two Sigma Advisers, LP | 214,200 | $4.84M | 0.01% | +96,200+81.5% | Added |
| State of Alaska, Department of Revenue | 199,267 | $4.50M | 0.06% | −385−0.2% | Reduced |
| American International Group, Inc. | 195,706 | $4.42M | 0.03% | −4,653−2.3% | Reduced |
| Wellington Management Group LLP | 189,381 | $4.28M | 0.00% | +189,381 | New |
| Hussman Strategic Advisors, Inc. | 189,000 | $4.27M | 0.82% | +1,800+1.0% | Added |
| Robotti Robert | 181,930 | $4.11M | 0.60% | +181,930 | New |
| Capital Fund Management S.A. | 178,145 | $4.03M | 0.05% | +178,145 | New |
| Allianz Asset Management GmbH | 175,773 | $3.97M | 0.01% | +68,722+64.2% | Added |
| Man Group plc | – | $3.91M | 0.01% | – | – |
| Caas Capital Management LP | 172,347 | $3.90M | 0.86% | +172,347 | New |
| Tudor Investment Corp Et Al | 164,125 | $3.71M | 0.05% | +164,125 | New |
| Legal & General Group Plc | 163,248 | $3.69M | 0.00% | +188+0.1% | Added |
| Force Hill Capital Management LP | 155,333 | $3.51M | 3.03% | +1,933+1.3% | Added |
| Wells Fargo & Company | 154,804 | $3.50M | 0.00% | −49,342−24.2% | Reduced |
| Twinbeech Capital LP | 150,238 | $3.40M | 0.07% | +150,238 | New |
| Concentric Capital Strategies, LP | 145,371 | $3.29M | 0.37% | +145,371 | New |
| Verition Fund Management LLC | 138,300 | $3.13M | 0.04% | +138,300 | New |
| Manufacturers Life Insurance Company, The | 137,512 | $3.11M | 0.00% | +20,802+17.8% | Added |
| SEI Investments Co | 134,266 | $3.03M | 0.01% | −1,183−0.9% | Reduced |
| Massachusetts Financial Services Co | 133,276 | $3.01M | 0.00% | +849+0.6% | Added |
| UBS Asset Management Americas Inc | 132,460 | $2.99M | 0.00% | −13,046−9.0% | Reduced |
| Retirement Systems of Alabama | 128,864 | $2.91M | 0.01% | −923−0.7% | Reduced |
| California State Teachers Retirement System | 120,367 | $2.72M | 0.00% | −10,998−8.4% | Reduced |
| Bridgewater Associates, LP | 118,002 | $2.67M | 0.02% | +19,142+19.4% | Added |
| Credit Suisse AG | 115,202 | $2.60M | 0.00% | −2,298−2.0% | Reduced |
| Mirabella Financial Services LLP | 115,098 | $2.60M | 0.37% | +36,672+46.8% | Added |
| Alberta Investment Management Corp | 112,600 | $2.54M | 0.03% | −31,036−21.6% | Reduced |
| MetLife Investment Management | 111,583 | $2.52M | 0.02% | −1,262−1.1% | Reduced |
| Macquarie Group Ltd | 102,600 | $2.32M | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 100,348 | $2.27M | 0.00% | −94,317−48.5% | Reduced |
| KBC Group NV | 100,255 | $2.27M | 0.01% | +16,600+19.8% | Added |
| Barclays PLC | 99,078 | $2.24M | 0.00% | −24,781−20.0% | Reduced |
| Guggenheim Capital LLC | 96,561 | $2.18M | 0.02% | +5,272+5.8% | Added |
| New York State Common Retirement Fund | 96,316 | $2.18M | 0.00% | −15,796−14.1% | Reduced |
| Price T Rowe Associates Inc | 95,506 | $2.16M | 0.00% | +29,066+43.7% | Added |
| Balyasny Asset Management LLC | 92,654 | $2.09M | 0.01% | −261,336−73.8% | Reduced |
| Denali Advisors LLC | 92,161 | $2.08M | 0.73% | −49,994−35.2% | Reduced |
| Qube Research & Technologies Ltd | 92,135 | $2.08M | 0.01% | +21,011+29.5% | Added |
| Thrivent Financial for Lutherans | 89,920 | $2.03M | 0.00% | −153−0.2% | Reduced |
| State of New Jersey Common Pension Fund D | 89,516 | $2.02M | 0.01% | −7,168−7.4% | Reduced |
| Great West Life Assurance Co | 88,421 | $2.00M | 0.00% | +4,785+5.7% | Added |
| Texas Permanent School Fund | 87,652 | $1.98M | 0.02% | −1,024−1.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 85,689 | $1.94M | 0.00% | +80,140+1,444.2% | Added |
| Fisher Asset Management, LLC | 85,157 | $1.92M | 0.00% | −41,630−32.8% | Reduced |
| Illinois Municipal Retirement Fund | 81,653 | $1.84M | 0.03% | 00.0% | Unchanged |
| GHP Investment Advisors, Inc. | 80,852 | $1.84M | 0.11% | +8,935+12.4% | Added |
| Monashee Investment Management LLC | 75,000 | $1.70M | 0.71% | +75,000 | New |