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 |
|---|---|---|---|---|---|
| CWM Advisors, LLC | 8,646 | $216.0K | 0.03% | −9,042−51.1% | Reduced |
| Fox Run Management, L.L.C. | 8,612 | $215.0K | 0.14% | +8,612 | New |
| Cornercap Investment Counsel Inc | 8,520 | $213.0K | 0.02% | 00.0% | Unchanged |
| Boston Private Wealth LLC | 8,475 | $212.0K | 0.00% | +8,475 | New |
| Captrust Financial Advisors | 8,329 | $208.0K | 0.00% | −70−0.8% | Reduced |
| Stokes Family Office, LLC | 8,187 | $204.0K | 0.03% | +8,187 | New |
| Campbell & CO Investment Adviser LLC | 8,021 | $200.0K | 0.07% | +8,021 | New |
| Point72 Hong Kong Ltd | 7,148 | $178.0K | 0.01% | +3,380+89.7% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 6,276 | $157.0K | 0.00% | −658−9.5% | Reduced |
| Steward Partners Investment Advisory, LLC | 6,305 | $157.0K | 0.00% | +954+17.8% | Added |
| Smithfield Trust Co | 5,000 | $125.0K | 0.01% | 00.0% | Unchanged |
| Leonteq Securities AG | 4,958 | $123.7K | 0.01% | −1,346−21.4% | Reduced |
| Advisor Group Holdings, Inc. | 4,612 | $115.0K | 0.00% | −45−1.0% | Reduced |
| Ellevest, Inc. | 4,583 | $114.0K | 0.01% | −864−15.9% | Reduced |
| IFP Advisors, Inc | 4,222 | $106.0K | 0.00% | +101+2.5% | Added |
| The PNC Financial Services Group, Inc. | 3,587 | $89.0K | 0.00% | +252+7.6% | Added |
| Key Financial Inc | 3,520 | $88.0K | 0.05% | +3,520 | New |
| Boston Partners | 40,395 | $85.0K | 0.00% | +40,395 | New |
| Itau Unibanco Holding S.A. | 3,254 | $81.0K | 0.00% | +2,720+509.4% | Added |
| Brown Brothers Harriman & Co | 2,985 | $74.0K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 2,778 | $69.0K | 0.00% | −573−17.1% | Reduced |
| Dark Forest Capital Management LP | 2,096 | $52.0K | 0.02% | −4,217−66.8% | Reduced |
| JJJ Advisors Inc. | 1,991 | $50.0K | 0.02% | +1,350+210.6% | Added |
| Ci Investments Inc. | 1,904 | $48.0K | 0.00% | +35+1.9% | Added |
| Baillie Gifford & Co | 1,891 | $47.0K | 0.00% | −314−14.2% | Reduced |
| Harvest Fund Management Co., Ltd | 1,922 | $47.0K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 1,566 | $39.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,425 | $36.0K | 0.00% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 1,234 | $31.0K | 0.00% | +1,234 | New |
| Parallel Advisors, LLC | 1,070 | $27.0K | 0.00% | +350+48.6% | Added |
| Vigilant Capital Management, LLC | 953 | $24.0K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 954 | $24.0K | 0.00% | +42+4.6% | Added |
| Advisors Asset Management, Inc. | 906 | $23.0K | 0.00% | +906 | New |
| Spire Wealth Management | 806 | $20.0K | 0.00% | +2+0.2% | Added |
| Prestige Wealth Management Group LLC | 776 | $19.0K | 0.00% | +730+1,587.0% | Added |
| American Portfolios Advisors | 579 | $14.6K | 0.00% | +500+632.9% | Added |
| Solstein Capital, LLC | 464 | $12.0K | 0.01% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 466 | $12.0K | 0.00% | +179+62.4% | Added |
| Savior LLC | 460 | $11.0K | 0.01% | −1,267−73.4% | Reduced |
| Whittier Trust Co | 432 | $11.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 407 | $10.0K | 0.00% | +120+41.8% | Added |
| D'Orazio & Associates, Inc. | 314 | $8.00K | 0.00% | +314 | New |
| Aua Capital Management, LLC | 291 | $7.00K | 0.00% | −18−5.8% | Reduced |
| Lee Financial Co | 238 | $6.00K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 269 | $6.00K | 0.00% | +269 | New |
| Fifth Third Bancorp | 199 | $5.00K | 0.00% | −847−81.0% | Reduced |
| First Horizon Advisors, Inc. | 212 | $5.00K | 0.00% | −25−10.5% | Reduced |
| Geneos Wealth Management Inc. | 200 | $5.00K | 0.00% | 00.0% | Unchanged |
| Private Capital Group, LLC | 163 | $4.00K | 0.00% | −17−9.4% | Reduced |
| Quadrant Capital Group LLC | 175 | $4.00K | 0.00% | +137+360.5% | Added |
| Lazard Asset Management LLC | 135 | $3.00K | 0.00% | −5,064−97.4% | Reduced |
| Denali Advisors LLC | 113 | $3.00K | 0.00% | 00.0% | Unchanged |
| Tarbox Family Office, Inc. | 110 | $3.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 134 | $3.00K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 145 | $3.00K | 0.00% | +145 | New |
| Globeflex Capital L P | 94 | $2.00K | 0.00% | −36,429−99.7% | Reduced |
| Reilly Financial Advisors, LLC | 100 | $2.00K | 0.00% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 83 | $2.00K | 0.00% | −10−10.8% | Reduced |
| Atlas Private Wealth Advisors | 75 | $2.00K | 0.00% | 00.0% | Unchanged |
| Benjamin Edwards Inc | 74 | $2.00K | 0.00% | +74 | New |
| Arkadios Wealth Advisors | 73 | $1.00K | 0.00% | 00.0% | Unchanged |
| Berman Capital Advisors, LLC | 46 | $1.00K | 0.00% | +11+31.4% | Added |
| Focused Wealth Management, Inc | 32 | $1.00K | 0.00% | +32 | New |
| Bell Investment Advisors, Inc | 22 | $1.00K | 0.00% | +22 | New |
| Raffa Wealth Management, LLC | 40 | $998 | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 20 | $499 | 0.00% | −690−97.2% | Reduced |
| Eaton Vance Management | 98 | $0 | 0.00% | +48+96.0% | Added |
| Clearstead Advisors, LLC | 15 | $0 | 0.00% | +5+50.0% | Added |
| HBC Financial Services, PLLC | 10 | $0 | 0.00% | +10 | New |
| 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 |