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, Q2 2025
Institutional positions in Amkor Technology, Inc. as of Jun 30, 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
- 348
- +5 vs. Q1 2025
- Shares held
- 113.0M
- +4.32M (+4.0%) vs. Q1 2025
- Total value
- $2.37B
- +$409.5M (+20.9%) vs. Q1 2025
- New holders
- 55
- 140 more added
- Sold out
- 50
- 118 more reduced
4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 15,091,947 | $316.8M | 0.01% | −933,289−5.8% | Reduced |
| BlackRock, Inc. | 14,905,188 | $312.9M | 0.01% | +3,741,448+33.5% | Added |
| Dimensional Fund Advisors LP | 13,277,785 | $278.7M | 0.06% | −120,645−0.9% | Reduced |
| LSV Asset Management | 4,831,533 | $101.4M | 0.24% | −364,084−7.0% | Reduced |
| Earnest Partners LLC | 4,425,112 | $92.9M | 0.42% | +2,090,325+89.5% | Added |
| American Century Companies Inc | 3,818,331 | $80.1M | 0.04% | +880,738+30.0% | Added |
| AQR Capital Management LLC | 3,558,040 | $74.5M | 0.06% | +985,727+38.3% | Added |
| State Street Corp | 3,319,293 | $69.7M | 0.00% | −253,994−7.1% | Reduced |
| SW Investment Management LLC | 2,650,000 | $55.6M | 13.30% | 00.0% | Unchanged |
| Principal Financial Group Inc | 2,330,680 | $48.9M | 0.03% | +341,173+17.1% | Added |
| Geode Capital Management, LLC | 2,255,475 | $47.3M | 0.00% | +27,432+1.2% | Added |
| Charles Schwab Investment Management Inc | 2,153,491 | $45.2M | 0.01% | +61,413+2.9% | Added |
| Bank of New York Mellon Corp | 1,692,661 | $35.5M | 0.01% | +222,507+15.1% | Added |
| First Trust Advisors LP | 1,685,552 | $35.4M | 0.03% | +398,927+31.0% | Added |
| Jacobs Levy Equity Management, Inc | 1,680,305 | $35.3M | 0.14% | +253,790+17.8% | Added |
| D. E. Shaw & Co., Inc. | 1,337,733 | $28.1M | 0.03% | −426,098−24.2% | Reduced |
| Millennium Management LLC | 1,327,215 | $27.9M | 0.02% | +933,220+236.9% | Added |
| Gotham Asset Management, LLC | 1,323,331 | $27.8M | 0.17% | +1,184,631+854.1% | Added |
| Morgan Stanley | 1,305,996 | $27.4M | 0.00% | −97,390−6.9% | Reduced |
| FMR LLC | 1,287,021 | $27.0M | 0.00% | −531,788−29.2% | Reduced |
| Renaissance Technologies LLC | 1,125,100 | $23.6M | 0.03% | −244,600−17.9% | Reduced |
| UG Investment Advisers Ltd. | 1,109,481 | $23.3M | 4.45% | −56,442−4.8% | Reduced |
| Voloridge Investment Management, LLC | 952,950 | $20.0M | 0.07% | −174,473−15.5% | Reduced |
| Northern Trust Corp | 924,946 | $19.4M | 0.00% | −27,821−2.9% | Reduced |
| Norges Bank | 820,456 | $17.2M | 0.00% | +19,200+2.4% | Added |
| Envestnet Asset Management Inc | 779,849 | $16.4M | 0.00% | +167,748+27.4% | Added |
| Bandera Partners LLC | 773,493 | $16.2M | 7.32% | +468,640+153.7% | Added |
| Royce & Associates LP | 672,760 | $14.1M | 0.14% | +108,051+19.1% | Added |
| Fisher Asset Management, LLC | 622,433 | $13.1M | 0.01% | −30,703−4.7% | Reduced |
| Bank of America Corp | 577,414 | $12.1M | 0.00% | +24,917+4.5% | Added |
| UBS Group AG | 552,175 | $11.6M | 0.00% | −96,375−14.9% | Reduced |
| Invesco Ltd. | 526,314 | $11.0M | 0.00% | −838,405−61.4% | Reduced |
| Citadel Advisors LLC | 524,025 | $11.0M | 0.01% | +280,304+115.0% | Added |
| Goldman Sachs Group Inc | 515,350 | $10.8M | 0.00% | −9,363−1.8% | Reduced |
| Tredje AP-fonden | 515,194 | $10.8M | 0.09% | −18,356−3.4% | Reduced |
| Wells Fargo & Company | 514,035 | $10.8M | 0.00% | +99,475+24.0% | Added |
| Point72 Asset Management, L.P. | 491,300 | $10.3M | 0.02% | +491,300 | New |
| UBS Asset Management Americas Inc | 442,758 | $9.29M | 0.00% | +108,211+32.3% | Added |
| M&G Plc | 427,676 | $8.98M | 0.05% | −411,532−49.0% | Reduced |
| JPMorgan Chase & Co | 404,261 | $8.49M | 0.00% | −193,538−32.4% | Reduced |
| Baird Financial Group, Inc. | 399,640 | $8.39M | 0.01% | +3,546+0.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 394,690 | $8.28M | 0.03% | +18,737+5.0% | Added |
| Amundi | 368,413 | $8.20M | 0.00% | +363,903+8,068.8% | Added |
| Arrowstreet Capital, Limited Partnership | 388,294 | $8.15M | 0.01% | +69,891+22.0% | Added |
| Russell Investments Group, Ltd. | 378,653 | $7.95M | 0.01% | +92,833+32.5% | Added |
| Allianz Asset Management GmbH | 353,370 | $7.42M | 0.01% | +191,626+118.5% | Added |
| State of Alaska, Department of Revenue | 343,937 | $7.22M | 0.08% | +79,710+30.2% | Added |
| Dark Forest Capital Management LP | 337,615 | $7.09M | 0.28% | +337,615 | New |
| Rhumbline Advisers | 322,653 | $6.77M | 0.01% | +14,901+4.8% | Added |
| Massachusetts Financial Services Co | 317,093 | $6.66M | 0.00% | +70,406+28.5% | Added |
| Raymond James Financial Inc | 316,104 | $6.64M | 0.00% | +50,278+18.9% | Added |
| Wellington Management Group LLP | 283,882 | $5.96M | 0.00% | −193,110−40.5% | Reduced |
| Twinbeech Capital LP | 268,971 | $5.65M | 0.13% | −93,234−25.7% | Reduced |
| Alliancebernstein L.P. | 267,624 | $5.62M | 0.00% | −2,957,959−91.7% | Reduced |
| Susquehanna International Group, LLP | 249,720 | $5.24M | 0.01% | +75,777+43.6% | Added |
| Maxi Investments CY Ltd | 243,500 | $5.11M | 0.85% | +243,500 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 242,332 | $5.09M | 0.01% | −38,696−13.8% | Reduced |
| Swiss National Bank | 236,000 | $4.95M | 0.00% | +21,000+9.8% | Added |
| Squarepoint Ops LLC | 229,734 | $4.82M | 0.01% | +35,338+18.2% | Added |
| HRT Financial LP | 220,195 | $4.62M | 0.02% | −520,844−70.3% | Reduced |
| Nuveen, LLC | 210,872 | $4.43M | 0.00% | −55,651−20.9% | Reduced |
| BNP Paribas Arbitrage, SA | 210,140 | $4.41M | 0.00% | −69,362−24.8% | Reduced |
| Ameriprise Financial Inc | 207,570 | $4.36M | 0.00% | +21,256+11.4% | Added |
| Jefferies Financial Group Inc. | 199,176 | $4.18M | 0.07% | +172,291+640.8% | Added |
| Legal & General Group Plc | 198,641 | $4.17M | 0.00% | +17,041+9.4% | Added |
| SEI Investments Co | 195,671 | $4.11M | 0.00% | −232,585−54.3% | Reduced |
| Cubist Systematic Strategies, LLC | 195,609 | $4.11M | 0.04% | +195,609 | New |
| Robotti Robert | 191,747 | $4.02M | 0.75% | −55,080−22.3% | Reduced |
| Holocene Advisors, LP | 186,236 | $3.91M | 0.01% | +130,258+232.7% | Added |
| Cerity Partners LLC | 181,872 | $3.82M | 0.01% | −57,436−24.0% | Reduced |
| Citigroup Inc | 163,994 | $3.44M | 0.00% | −2,677−1.6% | Reduced |
| Victory Capital Management Inc | 154,549 | $3.24M | 0.00% | +32,443+26.6% | Added |
| Federated Hermes, Inc. | 153,072 | $3.21M | 0.01% | +142,315+1,323.0% | Added |
| Granite Investment Partners, LLC | 152,515 | $3.20M | 0.16% | +152,515 | New |
| Retirement Systems of Alabama | 138,900 | $2.92M | 0.01% | +817+0.6% | Added |
| Schonfeld Strategic Advisors LLC | 133,610 | $2.80M | 0.02% | +112,340+528.2% | Added |
| Aquatic Capital Management LLC | 131,479 | $2.76M | 0.06% | +131,479 | New |
| Barclays PLC | 130,679 | $2.74M | 0.00% | −318,668−70.9% | Reduced |
| Ambassador Advisors, LLC | 126,137 | $2.65M | 0.41% | +20,162+19.0% | Added |
| Engineers Gate Manager LP | 123,293 | $2.59M | 0.03% | +36,206+41.6% | Added |
| Caption Management, LLC | 118,334 | $2.48M | 0.23% | +48,334+69.0% | Added |
| Ieq Capital, LLC | 116,938 | $2.45M | 0.02% | +85,165+268.0% | Added |
| Great West Life Assurance Co | 110,552 | $2.32M | 0.00% | +4,640+4.4% | Added |
| 1492 Capital Management LLC | 107,772 | $2.26M | 1.04% | +80,747+298.8% | Added |
| State of Wisconsin Investment Board | 105,453 | $2.21M | 0.01% | +16,346+18.3% | Added |
| Trexquant Investment LP | 104,290 | $2.19M | 0.02% | −206,272−66.4% | Reduced |
| California State Teachers Retirement System | 102,776 | $2.16M | 0.00% | +959+0.9% | Added |
| Segall Bryant & Hamill, LLC | 100,714 | $2.11M | 0.03% | −12,453−11.0% | Reduced |
| Manufacturers Life Insurance Company, The | 98,235 | $2.06M | 0.00% | −4,612−4.5% | Reduced |
| Winton Group Ltd | 97,108 | $2.04M | 0.10% | +40,129+70.4% | Added |
| Bank of Nova Scotia | 92,758 | $1.95M | 0.00% | +92,758 | New |
| LPL Financial LLC | 90,242 | $1.89M | 0.00% | +47,304+110.2% | Added |
| Macquarie Group Ltd | 84,600 | $1.78M | 0.00% | −18,788−18.2% | Reduced |
| GHP Investment Advisors, Inc. | 82,893 | $1.74M | 0.08% | −7,819−8.6% | Reduced |
| Twin Tree Management, LP | 80,180 | $1.68M | 0.04% | +36,969+85.6% | Added |
| Mariner, LLC | 80,178 | $1.68M | 0.00% | +43,728+120.0% | Added |
| Silvercrest Asset Management Group LLC | 78,745 | $1.65M | 0.01% | +25,110+46.8% | Added |
| Price T Rowe Associates Inc | 77,088 | $1.62M | 0.00% | +2,016+2.7% | Added |
| Marshall Wace, LLP | 76,923 | $1.61M | 0.00% | +45,206+142.5% | Added |
| Philadelphia Trust Co | 76,400 | $1.60M | 0.12% | +76,400 | New |