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 |
|---|---|---|---|---|---|
| Commonwealth Equity Services, LLC | 93,806 | $2.34M | 0.01% | −3,886−4.0% | Reduced |
| Voya Investment Management LLC | 94,804 | $2.37M | 0.00% | −2,383−2.5% | Reduced |
| DuPont Capital Management Corp | 96,815 | $2.42M | 0.08% | −69,375−41.7% | Reduced |
| Virginia Retirement Systems Et Al | 98,800 | $2.46M | 0.03% | −8,500−7.9% | Reduced |
| SEI Investments Co | 101,509 | $2.52M | 0.01% | +101,509 | New |
| Macquarie Group Ltd | 104,255 | $2.60M | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 106,526 | $2.66M | 0.00% | −519,378−83.0% | Reduced |
| State of New Jersey Common Pension Fund D | 107,903 | $2.69M | 0.01% | −20,324−15.9% | Reduced |
| Two Sigma Advisers, LP | 113,185 | $2.82M | 0.01% | −101,700−47.3% | Reduced |
| State Board of Administration of Florida Retirement System | 114,375 | $2.85M | 0.01% | +7,165+6.7% | Added |
| Bridgeway Capital Management, LLC | 127,500 | $3.18M | 0.06% | +17,100+15.5% | Added |
| Retirement Systems of Alabama | 129,716 | $3.24M | 0.01% | −10,253−7.3% | Reduced |
| O'Shaughnessy Asset Management, LLC | 135,645 | $3.38M | 0.07% | −6,144−4.3% | Reduced |
| Victory Capital Management Inc | 137,118 | $3.42M | 0.00% | −38,804−22.1% | Reduced |
| Alberta Investment Management Corp | 143,636 | $3.58M | 0.03% | 00.0% | Unchanged |
| California State Teachers Retirement System | 145,077 | $3.62M | 0.00% | +4,432+3.2% | Added |
| Jacobs Levy Equity Management, Inc | 146,330 | $3.65M | 0.02% | −240,292−62.2% | Reduced |
| Cubist Systematic Strategies, LLC | 147,293 | $3.67M | 0.05% | −27,230−15.6% | Reduced |
| Barclays PLC | 149,065 | $3.72M | 0.00% | +23,077+18.3% | Added |
| Legal & General Group Plc | 153,894 | $3.84M | 0.00% | −28,040−15.4% | Reduced |
| UBS Asset Management Americas Inc | 159,262 | $3.97M | 0.00% | +16,657+11.7% | Added |
| Public Employees Retirement System of Ohio | 161,618 | $4.03M | 0.01% | −25,555−13.7% | Reduced |
| Mondrian Investment Partners LTD | 164,343 | $4.10M | 0.08% | −40,086−19.6% | Reduced |
| Manufacturers Life Insurance Company, The | 168,060 | $4.19M | 0.00% | −7,374−4.2% | Reduced |
| Beacon Harbor Wealth Advisors, Inc. | 170,984 | $4.27M | 1.51% | +170,984 | New |
| Massachusetts Financial Services Co | 176,216 | $4.40M | 0.00% | −48,813−21.7% | Reduced |
| Force Hill Capital Management LP | 206,800 | $5.16M | 1.27% | +206,800 | New |
| FMR LLC | 217,814 | $5.43M | 0.00% | +35,320+19.4% | Added |
| American Century Companies Inc | 226,666 | $5.66M | 0.00% | +29,123+14.7% | Added |
| American International Group, Inc. | 227,300 | $5.67M | 0.03% | −19,432−7.9% | Reduced |
| Alliancebernstein L.P. | 234,643 | $5.85M | 0.00% | −33,460−12.5% | Reduced |
| Janus Henderson Group PLC | 238,181 | $5.94M | 0.00% | −47,360−16.6% | Reduced |
| Swiss National Bank | 242,800 | $6.06M | 0.00% | +1,400+0.6% | Added |
| Ameriprise Financial Inc | 262,023 | $6.54M | 0.00% | −17,135−6.1% | Reduced |
| Wells Fargo & Company | 303,129 | $7.56M | 0.00% | −59,439−16.4% | Reduced |
| Rhumbline Advisers | 310,492 | $7.75M | 0.01% | −14,096−4.3% | Reduced |
| Analog Century Management LP | 310,606 | $7.75M | 2.68% | +18,803+6.4% | Added |
| Divisar Capital Management LLC | 405,000 | $10.1M | 3.46% | +175,000+76.1% | Added |
| Allianz Asset Management GmbH | 479,811 | $12.0M | 0.01% | +103,386+27.5% | Added |
| Bank of America Corp | 500,430 | $12.5M | 0.00% | −3,911−0.8% | Reduced |
| Parametric Portfolio Associates LLC | 506,358 | $12.6M | 0.01% | +112,072+28.4% | Added |
| Principal Financial Group Inc | 526,587 | $13.1M | 0.01% | −23,484−4.3% | Reduced |
| Panagora Asset Management Inc | 533,282 | $13.3M | 0.07% | −2,596−0.5% | Reduced |
| First Trust Advisors LP | 540,598 | $13.5M | 0.01% | +122,290+29.2% | Added |
| Soros Capital Management LLC | 546,193 | $13.6M | 2.73% | +159,422+41.2% | Added |
| Goldman Sachs Group Inc | 568,324 | $14.2M | 0.00% | +45,705+8.7% | Added |
| JPMorgan Chase & Co | 619,975 | $15.5M | 0.00% | +5,925+1.0% | Added |
| Norges Bank | 725,824 | $18.1M | 0.00% | +119,888+19.8% | Added |
| Morgan Stanley | 737,743 | $18.4M | 0.00% | −520,126−41.3% | Reduced |
| Prudential Financial Inc | 836,120 | $20.9M | 0.03% | +280,637+50.5% | Added |
| Royce & Associates LP | 949,331 | $23.7M | 0.18% | −217,088−18.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,019,964 | $25.4M | 0.03% | +29,378+3.0% | Added |
| AQR Capital Management LLC | 1,093,073 | $27.3M | 0.05% | +346,227+46.4% | Added |
| Bank of Montreal | 1,108,430 | $28.2M | 0.01% | −47,855−4.1% | Reduced |
| Charles Schwab Investment Management Inc | 1,223,387 | $30.5M | 0.01% | −73,107−5.6% | Reduced |
| Invesco Ltd. | 1,367,617 | $34.1M | 0.01% | +61,076+4.7% | Added |
| Bank of New York Mellon Corp | 1,397,488 | $34.9M | 0.01% | −30,094−2.1% | Reduced |
| Nuveen Asset Management, LLC | 1,332,368 | $36.3M | 0.01% | +32,338+2.5% | Added |
| Bandera Partners LLC | 1,580,000 | $39.4M | 15.90% | +761,450+93.0% | Added |
| Geode Capital Management, LLC | 1,992,807 | $49.7M | 0.01% | −150,468−7.0% | Reduced |
| Northern Trust Corp | 2,021,123 | $50.4M | 0.01% | −114,810−5.4% | Reduced |
| SW Investment Management LLC | 2,400,000 | $59.9M | 23.83% | +400,000+20.0% | Added |
| State Street Corp | 3,224,855 | $80.5M | 0.00% | −66,883−2.0% | Reduced |
| Westwood Holdings Group Inc. | 3,251,683 | $81.1M | 0.88% | −387,846−10.7% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 5,062,533 | $126.3M | 0.81% | +50,000+1.0% | Added |
| LSV Asset Management | 7,449,652 | $185.9M | 0.34% | +1,493,650+25.1% | Added |
| BlackRock Inc. | 11,300,959 | $282.0M | 0.01% | −437,868−3.7% | Reduced |
| Vanguard Group Inc | 11,857,762 | $295.9M | 0.01% | +2,242,811+23.3% | Added |
| Dimensional Fund Advisors LP | 15,929,018 | $397.4M | 0.13% | −284,155−1.8% | Reduced |
| Wasatch Advisors Inc | 0 | $0 | 0.00% | −1,289,048−100.0% | Sold out |
| Brandywine Global Investment Management, LLC | 0 | $0 | 0.00% | −952,718−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −176,130−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −79,096−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −53,946−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −35,556−100.0% | Sold out |
| B. Metzler seel. Sohn & Co. Holding AG | 0 | $0 | 0.00% | −33,541−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −21,676−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −21,617−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −20,242−100.0% | Sold out |
| Strategic Wealth Advisors Group, LLC | 0 | $0 | 0.00% | −16,084−100.0% | Sold out |
| Tatro Capital, LLC | 0 | $0 | 0.00% | −14,916−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −13,405−100.0% | Sold out |
| Tocqueville Asset Management L.P. | 0 | $0 | 0.00% | −11,232−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −9,869−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −9,225−100.0% | Sold out |
| WealthTrust Axiom LLC | 0 | $0 | 0.00% | −8,500−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −8,461−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −8,362−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −5,717−100.0% | Sold out |
| Barrow Hanley Mewhinney & Strauss LLC | 0 | $0 | 0.00% | −3,065−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −905−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −850−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −102−100.0% | Sold out |
| Red Door Wealth Management, LLC | 0 | $0 | 0.00% | −61−100.0% | Sold out |
| QS Investors, LLC | – | – | – | – | Not filed |
| Cipher Capital LP | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Castleview Partners, LLC | – | – | – | – | Not filed |