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 2021
Institutional positions in Amkor Technology, Inc. as of Sep 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
- 269
- +17 vs. Q2 2021
- Shares held
- 94.1M
- +303.3K (+0.3%) vs. Q2 2021
- Total value
- $2.35B
- +$130.7M (+5.9%) vs. Q2 2021
- New holders
- 43
- 78 more added
- Sold out
- 26
- 108 more reduced
4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 15,929,018 | $397.4M | 0.13% | −284,155−1.8% | Reduced |
| Vanguard Group Inc | 11,857,762 | $295.9M | 0.01% | +2,242,811+23.3% | Added |
| BlackRock Inc. | 11,300,959 | $282.0M | 0.01% | −437,868−3.7% | Reduced |
| LSV Asset Management | 7,449,652 | $185.9M | 0.34% | +1,493,650+25.1% | Added |
| Fuller & Thaler Asset Management, Inc. | 5,062,533 | $126.3M | 0.81% | +50,000+1.0% | Added |
| Westwood Holdings Group Inc. | 3,251,683 | $81.1M | 0.88% | −387,846−10.7% | Reduced |
| State Street Corp | 3,224,855 | $80.5M | 0.00% | −66,883−2.0% | Reduced |
| SW Investment Management LLC | 2,400,000 | $59.9M | 23.83% | +400,000+20.0% | Added |
| Northern Trust Corp | 2,021,123 | $50.4M | 0.01% | −114,810−5.4% | Reduced |
| Geode Capital Management, LLC | 1,992,807 | $49.7M | 0.01% | −150,468−7.0% | Reduced |
| Bandera Partners LLC | 1,580,000 | $39.4M | 15.90% | +761,450+93.0% | Added |
| Nuveen Asset Management, LLC | 1,332,368 | $36.3M | 0.01% | +32,338+2.5% | Added |
| Bank of New York Mellon Corp | 1,397,488 | $34.9M | 0.01% | −30,094−2.1% | Reduced |
| Invesco Ltd. | 1,367,617 | $34.1M | 0.01% | +61,076+4.7% | Added |
| Charles Schwab Investment Management Inc | 1,223,387 | $30.5M | 0.01% | −73,107−5.6% | Reduced |
| Bank of Montreal | 1,108,430 | $28.2M | 0.01% | −47,855−4.1% | Reduced |
| AQR Capital Management LLC | 1,093,073 | $27.3M | 0.05% | +346,227+46.4% | Added |
| Arrowstreet Capital, Limited Partnership | 1,019,964 | $25.4M | 0.03% | +29,378+3.0% | Added |
| Royce & Associates LP | 949,331 | $23.7M | 0.18% | −217,088−18.6% | Reduced |
| Prudential Financial Inc | 836,120 | $20.9M | 0.03% | +280,637+50.5% | Added |
| Morgan Stanley | 737,743 | $18.4M | 0.00% | −520,126−41.3% | Reduced |
| Norges Bank | 725,824 | $18.1M | 0.00% | +119,888+19.8% | Added |
| JPMorgan Chase & Co | 619,975 | $15.5M | 0.00% | +5,925+1.0% | Added |
| Goldman Sachs Group Inc | 568,324 | $14.2M | 0.00% | +45,705+8.7% | Added |
| Soros Capital Management LLC | 546,193 | $13.6M | 2.73% | +159,422+41.2% | Added |
| First Trust Advisors LP | 540,598 | $13.5M | 0.01% | +122,290+29.2% | Added |
| Panagora Asset Management Inc | 533,282 | $13.3M | 0.07% | −2,596−0.5% | Reduced |
| Principal Financial Group Inc | 526,587 | $13.1M | 0.01% | −23,484−4.3% | Reduced |
| Parametric Portfolio Associates LLC | 506,358 | $12.6M | 0.01% | +112,072+28.4% | Added |
| Bank of America Corp | 500,430 | $12.5M | 0.00% | −3,911−0.8% | Reduced |
| Allianz Asset Management GmbH | 479,811 | $12.0M | 0.01% | +103,386+27.5% | Added |
| Divisar Capital Management LLC | 405,000 | $10.1M | 3.46% | +175,000+76.1% | Added |
| Analog Century Management LP | 310,606 | $7.75M | 2.68% | +18,803+6.4% | Added |
| Rhumbline Advisers | 310,492 | $7.75M | 0.01% | −14,096−4.3% | Reduced |
| Wells Fargo & Company | 303,129 | $7.56M | 0.00% | −59,439−16.4% | Reduced |
| Ameriprise Financial Inc | 262,023 | $6.54M | 0.00% | −17,135−6.1% | Reduced |
| Swiss National Bank | 242,800 | $6.06M | 0.00% | +1,400+0.6% | Added |
| Janus Henderson Group PLC | 238,181 | $5.94M | 0.00% | −47,360−16.6% | Reduced |
| Alliancebernstein L.P. | 234,643 | $5.85M | 0.00% | −33,460−12.5% | Reduced |
| American International Group, Inc. | 227,300 | $5.67M | 0.03% | −19,432−7.9% | Reduced |
| American Century Companies Inc | 226,666 | $5.66M | 0.00% | +29,123+14.7% | Added |
| FMR LLC | 217,814 | $5.43M | 0.00% | +35,320+19.4% | Added |
| Force Hill Capital Management LP | 206,800 | $5.16M | 1.27% | +206,800 | New |
| Massachusetts Financial Services Co | 176,216 | $4.40M | 0.00% | −48,813−21.7% | Reduced |
| Beacon Harbor Wealth Advisors, Inc. | 170,984 | $4.27M | 1.51% | +170,984 | New |
| Manufacturers Life Insurance Company, The | 168,060 | $4.19M | 0.00% | −7,374−4.2% | Reduced |
| Mondrian Investment Partners LTD | 164,343 | $4.10M | 0.08% | −40,086−19.6% | Reduced |
| Public Employees Retirement System of Ohio | 161,618 | $4.03M | 0.01% | −25,555−13.7% | Reduced |
| UBS Asset Management Americas Inc | 159,262 | $3.97M | 0.00% | +16,657+11.7% | Added |
| Legal & General Group Plc | 153,894 | $3.84M | 0.00% | −28,040−15.4% | Reduced |
| Barclays PLC | 149,065 | $3.72M | 0.00% | +23,077+18.3% | Added |
| Cubist Systematic Strategies, LLC | 147,293 | $3.67M | 0.05% | −27,230−15.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 146,330 | $3.65M | 0.02% | −240,292−62.2% | Reduced |
| California State Teachers Retirement System | 145,077 | $3.62M | 0.00% | +4,432+3.2% | Added |
| Alberta Investment Management Corp | 143,636 | $3.58M | 0.03% | 00.0% | Unchanged |
| Victory Capital Management Inc | 137,118 | $3.42M | 0.00% | −38,804−22.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 135,645 | $3.38M | 0.07% | −6,144−4.3% | Reduced |
| Retirement Systems of Alabama | 129,716 | $3.24M | 0.01% | −10,253−7.3% | Reduced |
| Bridgeway Capital Management, LLC | 127,500 | $3.18M | 0.06% | +17,100+15.5% | Added |
| State Board of Administration of Florida Retirement System | 114,375 | $2.85M | 0.01% | +7,165+6.7% | Added |
| Two Sigma Advisers, LP | 113,185 | $2.82M | 0.01% | −101,700−47.3% | Reduced |
| State of New Jersey Common Pension Fund D | 107,903 | $2.69M | 0.01% | −20,324−15.9% | Reduced |
| Credit Suisse AG | 106,526 | $2.66M | 0.00% | −519,378−83.0% | Reduced |
| Macquarie Group Ltd | 104,255 | $2.60M | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 101,509 | $2.52M | 0.01% | +101,509 | New |
| Virginia Retirement Systems Et Al | 98,800 | $2.46M | 0.03% | −8,500−7.9% | Reduced |
| DuPont Capital Management Corp | 96,815 | $2.42M | 0.08% | −69,375−41.7% | Reduced |
| Voya Investment Management LLC | 94,804 | $2.37M | 0.00% | −2,383−2.5% | Reduced |
| Commonwealth Equity Services, LLC | 93,806 | $2.34M | 0.01% | −3,886−4.0% | Reduced |
| SG Americas Securities, LLC | 93,121 | $2.32M | 0.01% | +32,452+53.5% | Added |
| Vident Investment Advisory, LLC | 90,620 | $2.26M | 0.07% | −23,845−20.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 89,908 | $2.24M | 0.01% | +89,908 | New |
| Mutual of America Capital Management LLC | 88,412 | $2.21M | 0.02% | −9,459−9.7% | Reduced |
| Deutsche Bank AG | 88,352 | $2.21M | 0.00% | +7,338+9.1% | Added |
| Envestnet Asset Management Inc | 87,236 | $2.18M | 0.00% | +12,752+17.1% | Added |
| Ziegler Capital Management, LLC | 86,453 | $2.16M | 0.08% | −2,940−3.3% | Reduced |
| Citigroup Inc | 85,842 | $2.14M | 0.00% | +40,487+89.3% | Added |
| Schroder Investment Management Group | 83,466 | $2.08M | 0.00% | −6,468−7.2% | Reduced |
| MetLife Investment Management | 83,174 | $2.08M | 0.02% | −8,382−9.2% | Reduced |
| Horizon Investment Services, LLC | 80,920 | $2.02M | 0.99% | +4,223+5.5% | Added |
| Raymond James & Associates | 80,625 | $2.01M | 0.00% | −126,207−61.0% | Reduced |
| Tudor Investment Corp Et Al | 78,452 | $1.96M | 0.04% | +78,452 | New |
| APG Asset Management N.V. | 90,764 | $1.95M | 0.00% | −21,800−19.4% | Reduced |
| Texas Permanent School Fund | 74,107 | $1.85M | 0.02% | −5,961−7.4% | Reduced |
| New York State Common Retirement Fund | 73,628 | $1.84M | 0.00% | −16,442−18.3% | Reduced |
| Amalgamated Bank | 67,680 | $1.69M | 0.01% | −11,704−14.7% | Reduced |
| Martingale Asset Management L P | 67,026 | $1.67M | 0.02% | −8,713−11.5% | Reduced |
| Empirical Finance, LLC | 63,851 | $1.59M | 0.24% | +24,046+60.4% | Added |
| Voloridge Investment Management, LLC | 63,827 | $1.59M | 0.01% | +63,827 | New |
| Ensign Peak Advisors, Inc | 63,500 | $1.58M | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 62,886 | $1.57M | 0.04% | +62,886 | New |
| Franklin Resources Inc | 61,035 | $1.52M | 0.00% | +61,035 | New |
| Millennium Management LLC | 59,539 | $1.49M | 0.00% | −30,702−34.0% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 58,900 | $1.47M | 0.01% | +58,900 | New |
| Zebra Capital Management LLC | 57,499 | $1.44M | 1.74% | +57,499 | New |
| Assenagon Asset Management S.A. | 55,475 | $1.38M | 0.01% | −153−0.3% | Reduced |
| Twinbeech Capital LP | 55,262 | $1.38M | 0.10% | +55,262 | New |
| Brigade Capital Management, LP | 52,000 | $1.30M | 0.21% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 51,797 | $1.29M | 0.07% | +26,280+103.0% | Added |
| Jane Street Group, LLC | 49,802 | $1.24M | 0.00% | −65,097−56.7% | Reduced |