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 2021
Institutional positions in Amkor Technology, Inc. as of Jun 30, 2021. 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
- 256
- +2 vs. Q1 2021
- Shares held
- 93.9M
- −2.13M (−2.2%) vs. Q1 2021
- Total value
- $2.22B
- −$56.1M (−2.5%) vs. Q1 2021
- New holders
- 44
- 76 more added
- Sold out
- 42
- 98 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM Advisors, LLC | 17,688 | $419.0K | 0.06% | +536+3.1% | Added |
| Northwestern Mutual Investment Management Company, LLC | 17,894 | $424.0K | 0.01% | +34+0.2% | Added |
| Goelzer Investment Management, Inc. | 18,565 | $439.0K | 0.04% | +18,565 | New |
| Public Employees Retirement Association of Colorado | 18,803 | $445.0K | 0.00% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 19,000 | $450.0K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 19,270 | $456.0K | 0.00% | −5,614−22.6% | Reduced |
| PEAK6 Investments LLC | 20,242 | $479.0K | 0.01% | −1,499−6.9% | Reduced |
| Occudo Quantitative Strategies LP | 21,617 | $512.0K | 0.08% | +1,588+7.9% | Added |
| Ergoteles LLC | 21,676 | $513.0K | 0.01% | +21,676 | New |
| New Mexico Educational Retirement Board | 22,200 | $525.0K | 0.02% | +6,000+37.0% | Added |
| Foster & Motley Inc | 22,360 | $529.0K | 0.04% | +22,360 | New |
| Delphi Management Inc | 22,590 | $535.0K | 0.51% | +11,300+100.1% | Added |
| Bailard, Inc. | 22,690 | $537.0K | 0.02% | 00.0% | Unchanged |
| Ritholtz Wealth Management | 24,063 | $570.0K | 0.04% | +6,211+34.8% | Added |
| Convergence Investment Partners, LLC | 24,312 | $575.0K | 0.25% | +1,197+5.2% | Added |
| State of Alaska, Department of Revenue | 24,876 | $588.0K | 0.01% | −19,735−44.2% | Reduced |
| United Capital Financial Advisers, LLC | 25,266 | $598.0K | 0.00% | −100.0% | Reduced |
| Man Group plc | 25,393 | $601.0K | 0.00% | −21,386−45.7% | Reduced |
| Engineers Gate Manager LP | 25,517 | $604.0K | 0.04% | +13,292+108.7% | Added |
| Hanson & Doremus Investment Management | 54,182 | $607.0K | 0.18% | +2,335+4.5% | Added |
| Intersect Capital LLC | 26,656 | $631.0K | 0.11% | +7,296+37.7% | Added |
| State of Michigan Retirement System | 27,100 | $641.0K | 0.00% | −12,600−31.7% | Reduced |
| Gotham Asset Management, LLC | 27,309 | $646.0K | 0.03% | −30,527−52.8% | Reduced |
| Louisiana State Employees Retirement System | 27,900 | $660.0K | 0.02% | +100+0.4% | Added |
| Regentatlantic Capital LLC | 28,000 | $663.0K | 0.02% | −26,858−49.0% | Reduced |
| Thrivent Financial for Lutherans | 28,522 | $675.0K | 0.00% | +57+0.2% | Added |
| Yorktown Management & Research Co Inc | 28,800 | $682.0K | 0.53% | +3,800+15.2% | Added |
| Arizona State Retirement System | 29,766 | $705.0K | 0.01% | −1,993−6.3% | Reduced |
| Two Sigma Investments, LP | 30,538 | $723.0K | 0.00% | +30,538 | New |
| Los Angeles Capital Management LLC | 32,125 | $760.0K | 0.00% | −139,534−81.3% | Reduced |
| Zacks Investment Management | 32,432 | $768.0K | 0.01% | +32,432 | New |
| B. Metzler seel. Sohn & Co. Holding AG | 33,541 | $794.0K | 0.01% | +33,541 | New |
| Sciencast Management LP | 35,556 | $808.0K | 0.17% | +22,676+176.1% | Added |
| Citadel Advisors LLC | 34,230 | $810.0K | 0.00% | −66,388−66.0% | Reduced |
| SummerHaven Investment Management, LLC | 34,557 | $818.0K | 0.47% | +858+2.5% | Added |
| ProShare Advisors LLC | 34,604 | $819.0K | 0.00% | −332−1.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 35,793 | $847.0K | 0.01% | +73+0.2% | Added |
| Oregon Public Employees Retirement Fund | 36,296 | $859.0K | 0.01% | +901+2.5% | Added |
| Globeflex Capital L P | 36,523 | $864.0K | 0.16% | +94+0.3% | Added |
| Ameritas Investment Partners, Inc. | 37,620 | $890.0K | 0.03% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 37,727 | $893.0K | 0.00% | −3,152−7.7% | Reduced |
| Empirical Finance, LLC | 39,805 | $942.0K | 0.15% | +39,805 | New |
| HighPoint Advisor Group LLC | 40,595 | $961.0K | 0.10% | +6,478+19.0% | Added |
| Shell Asset Management Co | 42,471 | $1.00M | 0.02% | −35,771−45.7% | Reduced |
| Great West Life Assurance Co | 43,289 | $1.02M | 0.00% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 43,329 | $1.03M | 0.00% | +1,372+3.3% | Added |
| Citigroup Inc | 45,355 | $1.07M | 0.00% | −99,332−68.7% | Reduced |
| Russell Investments Group, Ltd. | 46,847 | $1.11M | 0.00% | −250,929−84.3% | Reduced |
| Axiom Investment Management LLC | 46,794 | $1.11M | 0.86% | −11,219−19.3% | Reduced |
| Metropolitan Life Insurance Co | 46,971 | $1.11M | 0.02% | +2,112+4.7% | Added |
| Truist Financial Corp | 49,610 | $1.18M | 0.00% | −450−0.9% | Reduced |
| Federated Hermes, Inc. | 51,395 | $1.22M | 0.00% | −118,623−69.8% | Reduced |
| Brigade Capital Management, LP | 52,000 | $1.23M | 0.17% | +52,000 | New |
| Susquehanna International Group, LLP | 53,571 | $1.27M | 0.00% | −71,174−57.1% | Reduced |
| STRS Ohio | 53,800 | $1.27M | 0.00% | −1,000−1.8% | Reduced |
| Atom Investors LP | 53,946 | $1.28M | 0.27% | +53,946 | New |
| Assenagon Asset Management S.A. | 55,628 | $1.32M | 0.01% | +2,571+4.8% | Added |
| UBS Group AG | 56,892 | $1.35M | 0.00% | −22,324−28.2% | Reduced |
| Tower Research Capital LLC (TRC) | 58,415 | $1.38M | 0.04% | +35,373+153.5% | Added |
| QS Investors, LLC | 58,817 | $1.39M | 0.02% | 00.0% | Unchanged |
| Glenmede Trust Co NA | 60,491 | $1.43M | 0.01% | −7,820−11.4% | Reduced |
| SG Americas Securities, LLC | 60,669 | $1.44M | 0.01% | −3,815−5.9% | Reduced |
| Comerica Bank | 59,277 | $1.45M | 0.01% | −1,011−1.7% | Reduced |
| BNP Paribas Arbitrage, SA | 62,570 | $1.48M | 0.00% | −11,694−15.7% | Reduced |
| Ensign Peak Advisors, Inc | 63,500 | $1.50M | 0.00% | +33,300+110.3% | Added |
| Price T Rowe Associates Inc | 68,677 | $1.63M | 0.00% | +1,929+2.9% | Added |
| Royal Bank of Canada | 73,621 | $1.74M | 0.00% | +7,614+11.5% | Added |
| Envestnet Asset Management Inc | 74,484 | $1.76M | 0.00% | +26,981+56.8% | Added |
| Martingale Asset Management L P | 75,739 | $1.79M | 0.02% | −9,297−10.9% | Reduced |
| Horizon Investment Services, LLC | 76,697 | $1.81M | 0.89% | +5,826+8.2% | Added |
| Jennison Associates LLC | 79,096 | $1.87M | 0.00% | −7,952−9.1% | Reduced |
| Amalgamated Bank | 79,384 | $1.88M | 0.02% | +69,392+694.5% | Added |
| Texas Permanent School Fund | 80,068 | $1.90M | 0.02% | +76+0.1% | Added |
| Deutsche Bank AG | 81,014 | $1.92M | 0.00% | −64,479−44.3% | Reduced |
| Ziegler Capital Management, LLC | 89,393 | $2.12M | 0.07% | +2,507+2.9% | Added |
| Schroder Investment Management Group | 89,934 | $2.13M | 0.00% | −56,235−38.5% | Reduced |
| New York State Common Retirement Fund | 90,070 | $2.13M | 0.00% | +927+1.0% | Added |
| Millennium Management LLC | 90,241 | $2.14M | 0.00% | +90,241 | New |
| MetLife Investment Management | 91,556 | $2.17M | 0.02% | −1,621−1.7% | Reduced |
| APG Asset Management N.V. | 112,564 | $2.25M | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 97,187 | $2.30M | 0.00% | −2,543−2.5% | Reduced |
| Commonwealth Equity Services, LLC | 97,692 | $2.31M | 0.01% | −2,234−2.2% | Reduced |
| Mutual of America Capital Management LLC | 97,871 | $2.32M | 0.02% | +1,673+1.7% | Added |
| State of Tennessee, Treasury Department | 100,000 | $2.37M | 0.01% | −70,000−41.2% | Reduced |
| Macquarie Group Ltd | 104,255 | $2.47M | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 107,210 | $2.54M | 0.00% | +9,065+9.2% | Added |
| Virginia Retirement Systems Et Al | 107,300 | $2.54M | 0.02% | −6,800−6.0% | Reduced |
| Bridgeway Capital Management, LLC | 110,400 | $2.61M | 0.05% | +74,300+205.8% | Added |
| Vident Investment Advisory, LLC | 114,465 | $2.71M | 0.08% | −120.0% | Reduced |
| Jane Street Group, LLC | 114,899 | $2.72M | 0.01% | +61,422+114.9% | Added |
| Barclays PLC | 125,988 | $2.98M | 0.00% | −153,758−55.0% | Reduced |
| State of New Jersey Common Pension Fund D | 128,227 | $3.04M | 0.01% | +469+0.4% | Added |
| Retirement Systems of Alabama | 139,969 | $3.31M | 0.01% | +218+0.2% | Added |
| California State Teachers Retirement System | 140,645 | $3.33M | 0.00% | −9,927−6.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 141,789 | $3.36M | 0.07% | +1,478+1.1% | Added |
| UBS Asset Management Americas Inc | 142,605 | $3.38M | 0.00% | +2,078+1.5% | Added |
| Alberta Investment Management Corp | 143,636 | $3.40M | 0.03% | 00.0% | Unchanged |
| DuPont Capital Management Corp | 166,190 | $3.93M | 0.09% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 174,523 | $4.13M | 0.05% | +56,770+48.2% | Added |
| Manufacturers Life Insurance Company, The | 175,434 | $4.15M | 0.00% | −1,184−0.7% | Reduced |