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, Q1 2025
Institutional positions in Amkor Technology, Inc. as of Mar 31, 2025. 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
- 347
- +15 vs. Q4 2024
- Shares held
- 108.7M
- −278.8K (−0.3%) vs. Q4 2024
- Total value
- $1.96B
- −$837.9M (−29.9%) vs. Q4 2024
- New holders
- 67
- 142 more added
- Sold out
- 52
- 95 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Jump Financial, LLC | 318,364 | $5.75M | 0.09% | +299,364+1,575.6% | Added |
| Arrowstreet Capital, Limited Partnership | 318,403 | $5.75M | 0.00% | +304,377+2,170.1% | Added |
| UBS Asset Management Americas Inc | 334,547 | $6.04M | 0.00% | +27,511+9.0% | Added |
| Twinbeech Capital LP | 362,205 | $6.54M | 0.12% | +346,171+2,159.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 375,953 | $6.88M | 0.03% | +41,382+12.4% | Added |
| Millennium Management LLC | 393,995 | $7.12M | 0.01% | +332,805+543.9% | Added |
| Baird Financial Group, Inc. | 396,094 | $7.15M | 0.01% | +8,512+2.2% | Added |
| Wells Fargo & Company | 414,560 | $7.49M | 0.00% | +104,434+33.7% | Added |
| First Eagle Investment Management, LLC | 424,500 | $7.67M | 0.02% | −106,800−20.1% | Reduced |
| SEI Investments Co | 428,256 | $7.73M | 0.01% | −147,593−25.6% | Reduced |
| Barclays PLC | 449,347 | $8.12M | 0.00% | +48,980+12.2% | Added |
| Wellington Management Group LLP | 476,992 | $8.61M | 0.00% | −1,052,356−68.8% | Reduced |
| Goldman Sachs Group Inc | 524,713 | $9.48M | 0.00% | +222,107+73.4% | Added |
| Tredje AP-fonden | 533,550 | $9.64M | 0.09% | −118,450−18.2% | Reduced |
| Bank of America Corp | 552,497 | $9.98M | 0.00% | +363,342+192.1% | Added |
| Royce & Associates LP | 564,709 | $10.2M | 0.11% | +138,161+32.4% | Added |
| JPMorgan Chase & Co | 597,799 | $10.8M | 0.00% | +333,801+126.4% | Added |
| Envestnet Asset Management Inc | 612,101 | $11.1M | 0.00% | +40,653+7.1% | Added |
| UBS Group AG | 648,550 | $11.7M | 0.00% | +144,785+28.7% | Added |
| Fisher Asset Management, LLC | 653,136 | $11.8M | 0.01% | +11,220+1.7% | Added |
| HRT Financial LP | 741,039 | $13.4M | 0.08% | +741,039 | New |
| Norges Bank | 801,256 | $14.5M | 0.00% | −463,025−36.6% | Reduced |
| M&G Plc | 839,208 | $15.1M | 0.07% | +543,279+183.6% | Added |
| Northern Trust Corp | 952,767 | $17.2M | 0.00% | +57,354+6.4% | Added |
| Voloridge Investment Management, LLC | 1,127,423 | $20.4M | 0.08% | +943,303+512.3% | Added |
| UG Investment Advisers Ltd. | 1,165,923 | $21.1M | 5.77% | +1,165,923 | New |
| First Trust Advisors LP | 1,286,625 | $23.2M | 0.02% | −3,492,165−73.1% | Reduced |
| Invesco Ltd. | 1,364,719 | $24.6M | 0.00% | +911,886+201.4% | Added |
| Renaissance Technologies LLC | 1,369,700 | $24.7M | 0.04% | +998,000+268.5% | Added |
| Morgan Stanley | 1,403,386 | $25.3M | 0.00% | +101,028+7.8% | Added |
| Jacobs Levy Equity Management, Inc | 1,426,515 | $25.8M | 0.10% | +751,730+111.4% | Added |
| Bank of New York Mellon Corp | 1,470,154 | $26.6M | 0.01% | −135,735−8.5% | Reduced |
| D. E. Shaw & Co., Inc. | 1,763,831 | $31.9M | 0.04% | +840,664+91.1% | Added |
| FMR LLC | 1,818,809 | $32.8M | 0.00% | +573,930+46.1% | Added |
| Principal Financial Group Inc | 1,989,507 | $35.9M | 0.02% | +17,214+0.9% | Added |
| Charles Schwab Investment Management Inc | 2,092,078 | $37.8M | 0.01% | +85,805+4.3% | Added |
| Geode Capital Management, LLC | 2,228,043 | $40.2M | 0.00% | +118,536+5.6% | Added |
| Earnest Partners LLC | 2,334,787 | $42.2M | 0.20% | +6,216+0.3% | Added |
| AQR Capital Management LLC | 2,572,313 | $46.0M | 0.05% | +757,956+41.8% | Added |
| SW Investment Management LLC | 2,650,000 | $47.9M | 14.97% | +1,250,000+89.3% | Added |
| American Century Companies Inc | 2,937,593 | $53.1M | 0.03% | +228,591+8.4% | Added |
| Alliancebernstein L.P. | 3,225,583 | $58.3M | 0.02% | −855,898−21.0% | Reduced |
| State Street Corp | 3,573,287 | $64.8M | 0.00% | −800.0% | Reduced |
| LSV Asset Management | 5,195,617 | $93.8M | 0.23% | −69,437−1.3% | Reduced |
| BlackRock, Inc. | 11,163,740 | $201.6M | 0.00% | +287,093+2.6% | Added |
| Dimensional Fund Advisors LP | 13,398,430 | $242.0M | 0.06% | +365,975+2.8% | Added |
| Vanguard Group Inc | 16,025,236 | $289.4M | 0.01% | +361,010+2.3% | Added |
| Proequities, Inc. | 0 | $0 | 0.00% | −119−100.0% | Sold out |
| Ceredex Value Advisors LLC | 0 | $0 | 0.00% | −1,821,700−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −526,238−100.0% | Sold out |
| Hallmark Capital Management Inc | 0 | $0 | 0.00% | −504,692−100.0% | Sold out |
| Hel Ved Capital Management Ltd | 0 | $0 | 0.00% | −284,545−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −274,000−100.0% | Sold out |
| Channing Capital Management, LLC | 0 | $0 | 0.00% | −247,648−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −177,834−100.0% | Sold out |
| Brandywine Global Investment Management, LLC | 0 | $0 | 0.00% | −127,792−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −109,811−100.0% | Sold out |
| CBOE Vest Financial, LLC | 0 | $0 | 0.00% | −98,000−100.0% | Sold out |
| State of New Jersey Common Pension Fund D | 0 | $0 | 0.00% | −82,742−100.0% | Sold out |
| Kingsview Wealth Management, LLC | 0 | $0 | 0.00% | −78,341−100.0% | Sold out |
| Clearline Capital LP | 0 | $0 | 0.00% | −77,275−100.0% | Sold out |
| Covea Finance | 0 | $0 | 0.00% | −62,500−100.0% | Sold out |
| Riverwater Partners LLC | 0 | $0 | 0.00% | −44,088−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −33,925−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −27,966−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −20,175−100.0% | Sold out |
| Eqis Capital Management, Inc. | 0 | $0 | 0.00% | −18,673−100.0% | Sold out |
| Navellier & Associates Inc | 0 | $0 | 0.00% | −16,795−100.0% | Sold out |
| Altfest L J & Co Inc | 0 | $0 | 0.00% | −16,299−100.0% | Sold out |
| Stock Yards Bank & Trust Co | 0 | $0 | 0.00% | −16,100−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| Ritholtz Wealth Management | 0 | $0 | 0.00% | −15,536−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −15,054−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −14,300−100.0% | Sold out |
| QRG Capital Management, Inc. | 0 | $0 | 0.00% | −9,882−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −9,300−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −8,916−100.0% | Sold out |
| Hennion & Walsh Asset Management, Inc. | 0 | $0 | 0.00% | −8,862−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −8,637−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −8,544−100.0% | Sold out |
| Yorktown Management & Research Co Inc | 0 | $0 | 0.00% | −8,250−100.0% | Sold out |
| Highland Capital Management, LLC | 0 | $0 | 0.00% | −7,814−100.0% | Sold out |
| Chilton Capital Management LLC | 0 | $0 | 0.00% | −1,993−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −1,217−100.0% | Sold out |
| Matrix Trust Co | 0 | $0 | 0.00% | −633−100.0% | Sold out |
| Annis Gardner Whiting Capital Advisors, LLC | 0 | $0 | 0.00% | −401−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Creative Financial Designs Inc | 0 | $0 | 0.00% | −307−100.0% | Sold out |
| Colonial Trust Co | 0 | $0 | 0.00% | −278−100.0% | Sold out |
| Sierra Ocean, LLC | 0 | $0 | 0.00% | −226−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Rakuten Securities, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −82−100.0% | Sold out |
| CVA Family Office, LLC | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Parvin Asset Management, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Hollencrest Capital Management | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Kayne Anderson Rudnick Investment Management LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| REAP Financial Group, LLC | 0 | $0 | 0.00% | 0 | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |