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 2025
Institutional positions in Amkor Technology, Inc. as of Sep 30, 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
- 383
- +38 vs. Q2 2025
- Shares held
- 107.7M
- −4.40M (−3.9%) vs. Q2 2025
- Total value
- $3.06B
- +$702.7M (+29.9%) vs. Q2 2025
- New holders
- 77
- 125 more added
- Sold out
- 39
- 121 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FNY Investment Advisers, LLC | 1,472 | $41.0K | 0.01% | +670+83.5% | Added |
| Steward Partners Investment Advisory, LLC | 1,288 | $36.6K | 0.00% | −630−32.8% | Reduced |
| Larson Financial Group LLC | 1,261 | $35.8K | 0.00% | +35+2.9% | Added |
| Ronald Blue Trust, Inc. | 1,091 | $31.0K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 1,084 | $30.8K | 0.00% | −8,687−88.9% | Reduced |
| IFP Advisors, Inc | 1,021 | $29.0K | 0.00% | +531+108.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 991 | $28.0K | 0.00% | +128+14.8% | Added |
| Banque Cantonale Vaudoise | 911 | $26.0K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 933 | $26.0K | 0.00% | +391+72.1% | Added |
| Salomon & Ludwin, LLC | 858 | $25.2K | 0.00% | +858 | New |
| Fortitude Family Office, LLC | 707 | $20.1K | 0.01% | +585+479.5% | Added |
| Wealthspire Advisors, LLC | 689 | $19.6K | 0.00% | +689 | New |
| Root Financial Partners, LLC | 675 | $19.2K | 0.00% | +675 | New |
| Whittier Trust Co of Nevada Inc | 647 | $19.0K | 0.00% | 00.0% | Unchanged |
| Hemington Wealth Management | 655 | $18.0K | 0.00% | +211+47.5% | Added |
| Principal Securities, Inc. | 502 | $14.3K | 0.00% | +38+8.2% | Added |
| Atlantic Trust, LLC | 500 | $14.2K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 474 | $13.5K | 0.00% | +14+3.0% | Added |
| Assetmark, Inc | 468 | $13.3K | 0.00% | +8+1.7% | Added |
| Solstein Capital, LLC | 464 | $13.2K | 0.01% | 00.0% | Unchanged |
| MAI Capital Management | 463 | $13.2K | 0.00% | +389+525.7% | Added |
| Whittier Trust Co | 432 | $12.7K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 409 | $11.6K | 0.01% | +406+13,533.3% | Added |
| Transce3nd, LLC | 378 | $9.54K | 0.09% | −5,879−94.0% | Reduced |
| CoreCap Advisors, LLC | 330 | $9.39K | 0.00% | −59−15.2% | Reduced |
| Rockefeller Capital Management L.P. | 294 | $8.35K | 0.00% | +294 | New |
| Quent Capital, LLC | 292 | $8.29K | 0.00% | +292 | New |
| Parkside Financial Bank & Trust | 278 | $7.90K | 0.00% | −702−71.6% | Reduced |
| Smartleaf Asset Management LLC | 244 | $6.96K | 0.00% | +46+23.2% | Added |
| Geneos Wealth Management Inc. | 206 | $5.85K | 0.00% | −93−31.1% | Reduced |
| Aspect Partners, LLC | 181 | $5.14K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 170 | $4.83K | 0.00% | +170 | New |
| WealthCollab, LLC | 165 | $4.69K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 156 | $4.43K | 0.00% | +156 | New |
| True Wealth Design, LLC | 154 | $4.37K | 0.00% | +10+6.9% | Added |
| Bell Investment Advisors, Inc | 151 | $4.29K | 0.00% | +120+387.1% | Added |
| Ameritas Advisory Services, LLC | 150 | $4.26K | 0.00% | 00.0% | Unchanged |
| Adirondack Trust Co | 150 | $4.26K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 139 | $3.95K | 0.00% | 00.0% | Unchanged |
| MV Capital Management, Inc. | 132 | $3.75K | 0.00% | 00.0% | Unchanged |
| Kilter Group LLC | 125 | $3.55K | 0.00% | +39+45.3% | Added |
| GWM Advisors LLC | 125 | $3.55K | 0.00% | +125 | New |
| Bruce G. Allen Investments, LLC | 112 | $3.18K | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 100 | $2.84K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 98 | $2.78K | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 91 | $2.58K | 0.00% | +91 | New |
| Farmers & Merchants Investments Inc | 90 | $2.56K | 0.00% | +9+11.1% | Added |
| JFS Wealth Advisors, LLC | 86 | $2.44K | 0.00% | +75+681.8% | Added |
| Bogart Wealth, LLC | 84 | $2.39K | 0.00% | +24+40.0% | Added |
| TD Waterhouse Canada Inc. | 78 | $2.31K | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 77 | $2.19K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 71 | $2.02K | 0.00% | −279−79.7% | Reduced |
| S&T Bank | 70 | $1.99K | 0.00% | +70 | New |
| UMA Financial Services, Inc. | 62 | $1.76K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 60 | $1.70K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 50 | $1.42K | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 50 | $1.42K | 0.00% | +12+31.6% | Added |
| Prestige Wealth Management Group LLC | 46 | $1.31K | 0.00% | 00.0% | Unchanged |
| Kayne Anderson Rudnick Investment Management LLC | 40 | $1.14K | 0.00% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 40 | $1.14K | 0.00% | 00.0% | Unchanged |
| Rise Advisors, LLC | 37 | $1.04K | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 53 | $1.00K | 0.00% | 00.0% | Unchanged |
| Cloud Capital Management, LLC | 59 | $1.00K | 0.00% | +59 | New |
| Principia Wealth Advisory, LLC | 35 | $994 | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 32 | $909 | 0.00% | 00.0% | Unchanged |
| South State Corp. | 31 | $881 | 0.00% | −32−50.8% | Reduced |
| Sachetta, LLC | 30 | $852 | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 33 | $799 | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 25 | $798 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 24 | $682 | 0.00% | +24 | New |
| Activest Wealth Management | 22 | $625 | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 20 | $568 | 0.00% | +13+185.7% | Added |
| American Capital Advisory, LLC | 18 | $512 | 0.00% | +5+38.5% | Added |
| IMA Wealth, Inc. | 16 | $454 | 0.00% | 00.0% | Unchanged |
| Bay Harbor Wealth Management, LLC | 16 | $454 | 0.00% | +8+100.0% | Added |
| TD Private Client Wealth LLC | 13 | $369 | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 7 | $198 | 0.00% | 00.0% | Unchanged |
| Palisade Asset Management, LLC | 6 | $171 | 0.00% | +6 | New |
| Creative Financial Designs Inc | 5 | $142 | 0.00% | 00.0% | Unchanged |
| Dogwood Wealth Management LLC | 3 | $85 | 0.00% | +3 | New |
| Capital Advisors, Ltd. LLC | 7 | $0 | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 4,227 | – | – | −55,972−93.0% | Reduced |
| Colony Group, LLC | 121,253 | – | – | +121,253 | New |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −952,950−100.0% | Sold out |
| Maxi Investments CY Ltd | 0 | $0 | 0.00% | −243,500−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −199,176−100.0% | Sold out |
| Granite Investment Partners, LLC | 0 | $0 | 0.00% | −152,515−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −131,479−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −118,334−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −92,758−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −76,923−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −70,539−100.0% | Sold out |
| Nissay Asset Management Corp | 0 | $0 | 0.00% | −66,101−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −60,600−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −54,490−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −48,223−100.0% | Sold out |
| South Dakota Investment Council | 0 | $0 | 0.00% | −40,593−100.0% | Sold out |
| Global X Japan Co., Ltd. | 0 | $0 | 0.00% | −20,419−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −20,264−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −20,083−100.0% | Sold out |