AMKR Amkor Technology, Inc.
Amkor Technology, Inc. (AMKR) Institutional Ownership
What the institutions did with AMKR last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended September 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 8.8M | 36.8% |
| GEODE CAPITAL MANAGEMENT, LLC | 2.9M | 12.0% |
| Fisher Asset Management, LLC | 2.0M | 8.3% |
| PRINCIPAL FINANCIAL GROUP INC | 1.9M | 7.9% |
| Bank of New York Mellon Corp | 941.1K | 3.9% |
| Ceredex Value Advisors LLC | 635.2K | 2.6% |
| LSV ASSET MANAGEMENT | 616.1K | 2.6% |
| BARCLAYS PLC | 441.3K | 1.8% |
| LPL Financial LLC | 380.6K | 1.6% |
| Covea Finance | 275.3K | 1.1% |
| MACKENZIE FINANCIAL CORP | 217.3K | 0.9% |
| Russell Investments Group, Ltd. | 213.6K | 0.9% |
| ROYCE & ASSOCIATES LP | 179.0K | 0.7% |
| M&G PLC | 160.2K | 0.7% |
| Creative Planning | 143.5K | 0.6% |
| Retirement Systems of Alabama | 128.1K | 0.5% |
| Squarepoint Ops LLC | 116.6K | 0.5% |
| CITIGROUP INC | 116.5K | 0.5% |
| Amundi | 113.9K | 0.5% |
| INTECH INVESTMENT MANAGEMENT LLC | 112.7K | 0.5% |
| ASSETMARK, INC | 110.2K | 0.5% |
| Ellsworth Advisors, LLC | 110.2K | 0.5% |
| IMC-Chicago, LLC | 109.8K | 0.5% |
| Assenagon Asset Management S.A. | 89.7K | 0.4% |
| M & L Capital Management Ltd | 87.0K | 0.4% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | Increased | 8.1M | 8.8M | +765.9K |
| Ceredex Value Advisors LLC | Increased | 550 | 635.2K | +634.6K |
| AGF MANAGEMENT LTD | Sold Out | 240.0K | 0 | -240.0K |
| LSV ASSET MANAGEMENT | Reduced | 844.2K | 616.1K | -228.1K |
| Fisher Asset Management, LLC | Increased | 1.8M | 2.0M | +179.6K |
| BARCLAYS PLC | Increased | 280.4K | 441.3K | +160.9K |
| Assenagon Asset Management S.A. | Reduced | 247.1K | 89.7K | -157.4K |
| Jefferies Financial Group Inc. | Reduced | 156.4K | 33.1K | -123.3K |
| Convergence Investment Partners, LLC | Sold Out | 122.7K | 0 | -122.7K |
| Covea Finance | Increased | 162.7K | 275.3K | +112.7K |
| Bank of New York Mellon Corp | Reduced | 1.1M | 941.1K | -110.2K |
| Ellsworth Advisors, LLC | New | 0 | 110.2K | +110.2K |
| Squarepoint Ops LLC | Reduced | 209.9K | 116.6K | -93.3K |
| EXCHANGE TRADED CONCEPTS, LLC | Reduced | 121.9K | 29.5K | -92.3K |
| Allspring Global Investments Holdings, LLC | Reduced | 129.7K | 40.8K | -88.9K |
| PRINCIPAL FINANCIAL GROUP INC | Reduced | 2.0M | 1.9M | -79.8K |
| Bank Julius Baer & Co. Ltd, Zurich | Reduced | 163.5K | 85.3K | -78.3K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.8M | 2.9M | +77.4K |
| Cambridge Investment Research Advisors, Inc. | Reduced | 116.2K | 47.4K | -68.8K |
| OpenArc Corporate Advisory, LLC | New | 0 | 66.8K | +66.8K |
| Vontobel Holding Ltd. | New | 0 | 63.7K | +63.7K |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | 134.3K | 74.3K | -60.0K |
| DEUTSCHE BANK AG\ | Reduced | 89.3K | 31.9K | -57.4K |
| M&G PLC | Increased | 103.3K | 160.2K | +56.9K |
| VMS Asset Management Limited | Sold Out | 53.0K | 0 | -53.0K |
| MACKENZIE FINANCIAL CORP | Increased | 165.6K | 217.3K | +51.6K |
| Maytree Asset Management Ltd | Sold Out | 47.0K | 0 | -47.0K |
| ASSETMARK, INC | Increased | 63.5K | 110.2K | +46.7K |
| Union Bancaire Privee, UBP SA | Reduced | 49.8K | 3.1K | -46.7K |
| M & L Capital Management Ltd | Increased | 41.0K | 87.0K | +46.0K |
| D.A. DAVIDSON & CO. | New | 0 | 44.3K | +44.3K |
| State of Alaska, Department of Revenue | Reduced | 115.5K | 71.8K | -43.8K |
| COOKSON PEIRCE & CO INC | Sold Out | 43.5K | 0 | -43.5K |
| JACKSON SQUARE CAPITAL, LLC | Reduced | 48.2K | 10.1K | -38.0K |
| SummerHaven Investment Management, LLC | Sold Out | 36.4K | 0 | -36.4K |
| Wellington Grp LLC | Reduced | 53.1K | 21.1K | -32.0K |
| IMC-Chicago, LLC | Reduced | 140.5K | 109.8K | -30.7K |
| BOCHK Asset Management Ltd | Increased | 41.6K | 67.7K | +26.1K |
| EULAV Asset Management | Reduced | 84.0K | 58.1K | -25.9K |
| Y-Intercept (Hong Kong) Ltd | Reduced | 30.9K | 6.7K | -24.2K |
| INTECH INVESTMENT MANAGEMENT LLC | Increased | 88.8K | 112.7K | +23.8K |
| Virtue Capital Management, LLC | Sold Out | 23.7K | 0 | -23.7K |
| NLB Skladi, upravljanje premozenja, d.o.o. | Increased | 37.1K | 60.7K | +23.6K |
| HANSEATIC MANAGEMENT SERVICES INC | Sold Out | 21.1K | 0 | -21.1K |
| Caitong International Asset Management Co., Ltd | Reduced | 22.7K | 2.5K | -20.2K |
| IFP Advisors, Inc | Increased | 1.1K | 19.5K | +18.5K |
| LECAP ASSET MANAGEMENT LTD | Sold Out | 17.7K | 0 | -17.7K |
| Diversify Advisory Services, LLC | Increased | 4.4K | 20.6K | +16.2K |
| DIVERSIFY WEALTH MANAGEMENT, LLC | Increased | 4.4K | 20.6K | +16.2K |
| Creative Planning | Increased | 128.2K | 143.5K | +15.3K |
| Jackson Creek Investment Advisors LLC | Reduced | 26.5K | 11.6K | -15.0K |
| Ascentis Independent Advisors | New | 0 | 14.4K | +14.4K |
| Vise Technologies, Inc. | New | 0 | 14.0K | +14.0K |
| LPL Financial LLC | Increased | 367.2K | 380.6K | +13.4K |
| Three Seasons Wealth, LLC | Sold Out | 13.0K | 0 | -13.0K |
| J. Safra Sarasin Holding AG | Increased | 14.9K | 27.8K | +12.9K |
| Sovran Advisors, LLC | New | 0 | 12.8K | +12.8K |
| Counterpoint Mutual Funds LLC | Sold Out | 12.1K | 0 | -12.1K |
| DekaBank Deutsche Girozentrale | Increased | 9.9K | 21.9K | +12.0K |
| J.W. COLE ADVISORS, INC. | Reduced | 15.3K | 3.8K | -11.5K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.