Amkor TechnologyAMKR
13F holders, Q1 2025 (March 31)347holders +14
60new positions
50sold out
7famous investors
$18.06avg. 13F price*
At the end of Q1 2025, 347 institutions reported holding Amkor Technology Inc. (AMKR) in their 13F filings, up 14 from Q4 2024. 60 opened new positions and 50 sold out. The largest holders were Vanguard Group Inc. ($289.4M), Dimensional Fund Advisors LP ($242.0M) and BlackRock, Inc. ($201.6M). 7 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Amkor Technology Inc.
- CUSIP
- 031652100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 60 | $69.6M |
| Exits | 50 | $123.2M |
All 13F filers, Q4 2024 → Q1 2025: 17,449,619 shares bought and 18,094,703 shares sold, net −645,084 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 347 holders
| Vanguard Group Inc. | 0.01% | Add +2.3% | 16,025,236 | $289.4M |
| Dimensional Fund Advisors LP | 0.06% | Add +2.8% | 13,398,430 | $242.0M |
| BlackRock, Inc. | 0.00% | Add +2.6% | 11,163,740 | $201.6M |
| LSV Asset Management | 0.23% | Reduce -1.3% | 5,195,617 | $93.8M |
| State Street Corp. | 0.00% | Reduce 0.0% | 3,573,287 | $64.8M |
| Alliancebernstein L.P. | 0.02% | Reduce -21.0% | 3,225,583 | $58.3M |
| American Century Companies Inc. | 0.03% | Add +8.4% | 2,937,593 | $53.1M |
| SW Investment Management LLC | 14.97% | Add +89.3% | 2,650,000 | $47.9M |
| AQR Capital Management | 0.05% | Add +41.8% | 2,572,313 | $46.0M |
| Earnest Partners LLC | 0.20% | Add +0.3% | 2,334,787 | $42.2M |
| Geode Capital Management, LLC | 0.00% | Add +5.6% | 2,228,043 | $40.2M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +4.3% | 2,092,078 | $37.8M |
| Principal Financial Group Inc. | 0.02% | Add +0.9% | 1,989,507 | $35.9M |
| FMR LLC | 0.00% | Add +46.1% | 1,818,809 | $32.8M |
| D. E. Shaw & Co. | 0.04% | Add +91.1% | 1,763,831 | $31.9M |
| Bank of New York Mellon Corp | 0.01% | Reduce -8.4% | 1,470,154 | $26.6M |
| Jacobs Levy Equity Management, Inc. | 0.10% | Add +111.4% | 1,426,515 | $25.8M |
| Morgan Stanley | 0.00% | Add +7.8% | 1,403,386 | $25.3M |
| Renaissance Technologies | 0.04% | Add +268.5% | 1,369,700 | $24.7M |
| Invesco Ltd. | 0.00% | Add +201.4% | 1,364,719 | $24.6M |
| First Trust Advisors LP | 0.02% | Reduce -73.1% | 1,286,625 | $23.2M |
| UG Investment Advisers Ltd. | 5.78% | New | 1,165,923 | $21.1M |
| Voloridge Investment Management, LLC | 0.08% | Add +512.3% | 1,127,423 | $20.4M |
| Northern Trust Corp. | 0.00% | Add +6.4% | 952,767 | $17.2M |
| M&G PLC | 0.10% | Add +183.6% | 839,208 | $15.1M |
| Norges Bank | 0.00% | Reduce -36.6% | 801,256 | $14.5M |
| HRT Financial LP | 0.08% | New | 741,039 | $13.4M |
| Fisher Asset Management | 0.01% | Add +1.8% | 653,136 | $11.8M |
| UBS Group AG | 0.00% | Add +28.7% | 648,550 | $11.7M |
| Envestnet Asset Management Inc. | 0.00% | Add +7.1% | 612,101 | $11.1M |
| JPMorgan Chase & Co. | 0.00% | Add +126.4% | 597,799 | $10.8M |
| Royce & Associates LP | 0.11% | Add +32.4% | 564,709 | $10.2M |
| Bank of America Corp. | 0.00% | Add +192.1% | 552,497 | $10.0M |
| Tredje AP-fonden | 0.09% | Reduce -18.2% | 533,550 | $9.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +73.4% | 524,713 | $9.5M |
| Wellington Management Group LLP | 0.00% | Reduce -68.8% | 476,992 | $8.6M |
| Barclays PLC | 0.00% | Add +12.2% | 449,347 | $8.1M |
| Sei Investments Co. | 0.01% | Reduce -25.6% | 428,256 | $7.7M |
| First Eagle Investment Management, LLC | 0.02% | Reduce -20.1% | 424,500 | $7.7M |
| Wells Fargo & Company | 0.00% | Add +33.7% | 414,560 | $7.5M |
| Baird Financial Group, Inc. | 0.01% | Add +2.2% | 396,094 | $7.2M |
| Millennium Management | 0.01% | Add +543.9% | 393,995 | $7.1M |
| Mirae Asset Global Investments Co., Ltd. | 0.03% | Add +12.4% | 375,953 | $6.9M |
| Twinbeech Capital LP | 0.12% | Add +2159.0% | 362,205 | $6.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +9.0% | 334,547 | $6.0M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +2170.1% | 318,403 | $5.8M |
| Jump Financial, LLC | 0.09% | Add +1575.6% | 318,364 | $5.7M |
| Jane Street Group, LLC | 0.01% | New | 314,454 | $5.7M |
| Trexquant Investment LP | 0.07% | Add +154.8% | 310,562 | $5.6M |
| Rhumbline Advisers | 0.01% | Reduce -0.5% | 307,752 | $5.6M |
| Bandera Partners LLC | 1.98% | No change | 304,853 | $5.5M |
| Focus Partners Wealth | 0.01% | Add +22.2% | 303,549 | $5.5M |
| Russell Investments Group, Ltd. | 0.01% | Add +64.9% | 285,820 | $5.2M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -13.5% | 281,028 | $5.1M |
| BNP Paribas Financial Markets | 0.00% | Add +483.1% | 279,502 | $5.0M |
| Nuveen, LLC | 0.00% | — | 266,523 | $4.8M |
| Raymond James Financial Inc. | 0.00% | Add +20.5% | 265,826 | $4.8M |
| State of Alaska, Department of Revenue | 0.05% | Add +14.8% | 264,227 | $4.8M |
| Robotti Robert | 0.89% | Add +14.4% | 246,827 | $4.5M |
| Massachusetts Financial Services Co. | 0.00% | Add +34.8% | 246,687 | $4.5M |
| Citadel Advisors | 0.00% | Add +2.8% | 243,721 | $4.4M |
| Cerity Partners LLC | 0.01% | Add +26.3% | 239,308 | $4.3M |
| Swiss National Bank | 0.00% | Reduce -1.4% | 215,000 | $3.9M |
| Group One Trading LLC | 0.16% | New | 211,846 | $3.8M |
| Squarepoint Ops LLC | 0.01% | Reduce -71.1% | 194,396 | $3.5M |
| Ameriprise Financial Inc. | 0.00% | Add +37.5% | 186,314 | $3.4M |
| Legal & General Group Plc | 0.00% | Add +3.0% | 181,600 | $3.3M |
| Susquehanna International Group, LLP | 0.01% | Add +244.1% | 173,943 | $3.1M |
| Citigroup Inc. | 0.00% | Add +24.6% | 166,671 | $3.0M |
| Allianz Asset Management GmbH | 0.00% | Reduce -46.2% | 161,744 | $2.9M |
| Gotham Asset Management | 0.02% | Reduce -7.8% | 138,700 | $2.5M |
| Quantbot Technologies LP | 0.08% | New | 138,287 | $2.5M |
| Retirement Systems of Alabama | 0.01% | Add +0.1% | 138,083 | $2.5M |
| Two Sigma Investments, LP | 0.01% | New | 135,609 | $2.4M |
| Corebridge Financial, Inc. | 0.01% | Reduce -2.4% | 125,306 | $2.3M |
| Victory Capital Management Inc. | 0.00% | Add +129.9% | 122,106 | $2.2M |
| Cinctive Capital Management LP | 0.17% | New | 116,586 | $2.1M |
| Segall Bryant & Hamill, LLC | 0.03% | Reduce -0.3% | 113,167 | $2.0M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +17.6% | 105,912 | $1.9M |
| Faithward Advisors, LLC | 0.33% | Add +0.3% | 105,975 | $1.9M |
| Macquarie Group Ltd. | 0.00% | Add +0.8% | 103,388 | $1.9M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.5% | 102,847 | $1.9M |
| California State Teachers Retirement System | 0.00% | Reduce -2.0% | 101,817 | $1.8M |
| Alberta Investment Management Corp | 0.01% | No change | 94,100 | $1.7M |
| GHP Investment Advisors, Inc. | 0.08% | Reduce -5.3% | 90,712 | $1.6M |
| Illinois Municipal Retirement Fund | 0.02% | No change | 90,633 | $1.6M |
| State of Wisconsin Investment Board | 0.00% | Reduce -0.5% | 89,107 | $1.6M |
| Voya Investment Management LLC | 0.00% | Add +4.5% | 87,226 | $1.6M |
| Engineers Gate Manager LP | 0.03% | Add +43.2% | 87,087 | $1.6M |
| Davidson Kempner Capital Management LP | 0.03% | New | 82,746 | $1.5M |
| Parallax Volatility Advisers, L.P. | 0.06% | Add +173.3% | 81,507 | $1.5M |
| ING Groep NV | 0.01% | New | 78,600 | $1.4M |
| Brevan Howard Capital Management LP | 0.04% | New | 78,038 | $1.4M |
| XTX Topco Ltd | 0.07% | New | 76,258 | $1.4M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -46.4% | 75,072 | $1.4M |
| KBC Group NV | 0.00% | Reduce -31.1% | 71,579 | $1.3M |
| Caption Management, LLC | 0.06% | Add +98.9% | 70,000 | $1.3M |
| Prudential Financial Inc. | 0.00% | Reduce -59.7% | 67,403 | $1.2M |
| Verition Fund Management LLC | 0.01% | Reduce -31.9% | 64,826 | $1.2M |
| Acadian Asset Management LLC | 0.00% | New | 63,837 | $1.2M |
"% of holder's portfolio" is AMKR's weight in each manager's 13F, not the share of Amkor Technology Inc. the manager owns.