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, Q4 2025
Institutional positions in Amkor Technology, Inc. as of Dec 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
- 455
- +80 vs. Q3 2025
- Shares held
- 113.6M
- +6.54M (+6.1%) vs. Q3 2025
- Total value
- $4.49B
- +$1.45B (+47.7%) vs. Q3 2025
- New holders
- 123
- 122 more added
- Sold out
- 43
- 156 more reduced
8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Jefferies Financial Group Inc. | 21,313 | $841.4K | 0.01% | +21,313 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 21,264 | $839.5K | 0.00% | +21,264 | New |
| IMC-Chicago, LLC | 21,138 | $834.5K | 0.01% | −1,118−5.0% | Reduced |
| Ameritas Investment Partners, Inc. | 20,839 | $822.7K | 0.03% | −472−2.2% | Reduced |
| Axq Capital, LP | 20,780 | $820.4K | 0.19% | +20,780 | New |
| ProShare Advisors LLC | 20,543 | $811.0K | 0.00% | +1,628+8.6% | Added |
| Sterling Capital Management LLC | 20,532 | $810.6K | 0.01% | −305−1.5% | Reduced |
| Guggenheim Capital LLC | 20,508 | $809.7K | 0.01% | −4,612−18.4% | Reduced |
| New Mexico Educational Retirement Board | 20,500 | $809.0K | 0.02% | 00.0% | Unchanged |
| XTX Topco Ltd | 19,689 | $777.3K | 0.02% | −10,586−35.0% | Reduced |
| Fortitude Advisory Group L.L.C. | 19,606 | $774.0K | 0.33% | +26+0.1% | Added |
| Connable Office Inc | 19,499 | $769.8K | 0.07% | −1,343−6.4% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 19,354 | $764.1K | 0.00% | +1,016+5.5% | Added |
| Horizon Investments, LLC | 19,022 | $751.0K | 0.01% | −4,775−20.1% | Reduced |
| Pictet Asset Management Holding SA | 18,825 | $743.2K | 0.00% | +1,630+9.5% | Added |
| Diversified Trust Co | 18,556 | $732.6K | 0.01% | +6,838+58.4% | Added |
| Meeder Asset Management Inc | 18,550 | $732.4K | 0.04% | −33,283−64.2% | Reduced |
| Callan Family Office, LLC | 17,479 | $690.1K | 0.01% | +6,090+53.5% | Added |
| Robotti Robert | 17,395 | $686.8K | 0.12% | −780−4.3% | Reduced |
| Summit Trail Advisors, LLC | 17,196 | $678.9K | 0.01% | −3,430−16.6% | Reduced |
| Lotus Technology Management, LP | 16,949 | $669.1K | 0.37% | +16,949 | New |
| Moody National Bank Trust Division | 16,615 | $656.0K | 0.06% | −4,067−19.7% | Reduced |
| Brevan Howard Capital Management LP | 15,965 | $642.4K | 0.01% | +15,965 | New |
| Bank of Montreal | 15,472 | $610.8K | 0.00% | −419−2.6% | Reduced |
| Mirabella Financial Services LLP | 15,058 | $594.5K | 0.06% | +15,058 | New |
| Xponance, Inc. | 14,889 | $587.8K | 0.00% | −3,555−19.3% | Reduced |
| Meeder Advisory Services, Inc. | 14,522 | $573.3K | 0.02% | +302+2.1% | Added |
| New Age Alpha Advisors, LLC | 14,442 | $570.2K | 0.02% | +14,442 | New |
| Ulland Investment Advisors, LLC | 14,210 | $561.0K | 0.45% | −4,050−22.2% | Reduced |
| Massar Capital Management, LP | 13,956 | $551.0K | 0.11% | −2,994−17.7% | Reduced |
| Pallas Capital Advisors LLC | 13,903 | $548.9K | 0.02% | +26+0.2% | Added |
| Mission Wealth Management, LP | 13,647 | $538.8K | 0.01% | −4,147−23.3% | Reduced |
| Chase Investment Counsel Corp | 13,595 | $536.0K | 0.15% | 00.0% | Unchanged |
| Clear Creek Financial Management, LLC | 13,492 | $532.7K | 0.04% | +13,492 | New |
| DGS Capital Management, LLC | 13,317 | $525.8K | 0.09% | +864+6.9% | Added |
| Natixis Advisors, L.P. | 13,201 | $521.0K | 0.00% | +13,201 | New |
| Merit Financial Group, LLC | 13,154 | $519.3K | 0.00% | −183−1.4% | Reduced |
| Nkcfo LLC | 13,100 | $517.0K | 0.15% | +13,100 | New |
| Wedmont Private Capital | 9,735 | $513.2K | 0.02% | +606+6.6% | Added |
| Impact Partnership Wealth, LLC | 12,658 | $499.7K | 0.06% | +5,567+78.5% | Added |
| Integrated Investment Consultants, LLC | 12,370 | $488.4K | 0.10% | −7−0.1% | Reduced |
| Vise Technologies, Inc. | 12,214 | $482.2K | 0.01% | +2,046+20.1% | Added |
| Savant Capital, LLC | 12,008 | $474.1K | 0.00% | +1,649+15.9% | Added |
| Fox Run Management, L.L.C. | 12,004 | $473.9K | 0.07% | +12,004 | New |
| J. Safra Sarasin Holding AG | 11,534 | $455.4K | 0.01% | +11,534 | New |
| Watershed Asset Management, L.L.C. | 11,402 | $450.2K | 0.42% | +11,402 | New |
| Paragon Capital Management Ltd | 11,163 | $440.7K | 0.09% | +23+0.2% | Added |
| Leuthold Group, LLC | 11,104 | $438.4K | 0.05% | +123+1.1% | Added |
| Williams & Novak, LLC | 10,958 | $432.6K | 0.33% | −68−0.6% | Reduced |
| Vident Advisory, LLC | 10,878 | $429.5K | 0.00% | +307+2.9% | Added |
| Northwest & Ethical Investments L.P. | 10,600 | $428.2K | 0.01% | +10,600 | New |
| Claret Asset Management Corp | 10,820 | $427.0K | 0.05% | −25−0.2% | Reduced |
| Highland Capital Management, LLC | 10,682 | $421.7K | 0.02% | +10,682 | New |
| Bleakley Financial Group, LLC | 10,611 | $418.9K | 0.01% | +10,611 | New |
| Advisors Asset Management, Inc. | 10,442 | $412.3K | 0.01% | +8,079+341.9% | Added |
| Atlas Brown,Inc. | 10,375 | $409.6K | 0.12% | −50−0.5% | Reduced |
| Tower Research Capital LLC (TRC) | 10,234 | $404.0K | 0.01% | +2,059+25.2% | Added |
| Bayforest Capital Ltd | 9,992 | $394.5K | 0.29% | +2,298+29.9% | Added |
| Skopos Labs, Inc. | 9,746 | $390.7K | 0.02% | +9,746 | New |
| O'Shaughnessy Asset Management, LLC | 9,799 | $386.9K | 0.00% | +202+2.1% | Added |
| Krilogy Financial LLC | 7,620 | $384.0K | 0.01% | +62+0.8% | Added |
| DekaBank Deutsche Girozentrale | 9,919 | $363.0K | 0.00% | 00.0% | Unchanged |
| Transcend Wealth Collective, LLC | 9,071 | $358.1K | 0.03% | +9,071 | New |
| K2 Principal Fund, L.P. | 9,000 | $355.3K | 0.04% | +9,000 | New |
| GAMMA Investing LLC | 8,907 | $351.6K | 0.02% | +833+10.3% | Added |
| Kestra Investment Management, LLC | 8,794 | $347.2K | 0.01% | −263−2.9% | Reduced |
| EMC Capital Management | 8,791 | $347.0K | 0.15% | −1,551−15.0% | Reduced |
| Buckingham Strategic Partners | 8,601 | $339.6K | 0.00% | −6,600−43.4% | Reduced |
| Essential Partners LLC | 8,526 | $336.6K | 0.10% | 00.0% | Unchanged |
| Shay Capital LLC | 8,500 | $335.6K | 0.05% | −22,500−72.6% | Reduced |
| Profund Advisors LLC | 8,437 | $333.1K | 0.01% | +270+3.3% | Added |
| Voya Investment Management LLC | 8,427 | $332.7K | 0.00% | −68,923−89.1% | Reduced |
| EP Wealth Advisors, LLC | 8,369 | $330.4K | 0.00% | +8,369 | New |
| Forum Financial Management, LP | 8,340 | $329.3K | 0.00% | +1,015+13.9% | Added |
| Colony Group, LLC | 8,410 | $329.0K | 0.00% | −112,843−93.1% | Reduced |
| Securian Asset Management, Inc | 8,270 | $326.5K | 0.01% | −244−2.9% | Reduced |
| Panagora Asset Management Inc | 8,144 | $321.5K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 8,067 | $318.5K | 0.00% | +8,067 | New |
| Quest Partners LLC | 7,954 | $314.0K | 0.02% | −1,211−13.2% | Reduced |
| NorthCrest Asset Manangement, LLC | 6,470 | $311.4K | 0.01% | +6,470 | New |
| Ensign Peak Advisors, Inc | 7,880 | $311.1K | 0.00% | −5,400−40.7% | Reduced |
| Covestor Ltd | 7,858 | $311.0K | 0.16% | −360−4.4% | Reduced |
| CBOE Vest Financial, LLC | 7,777 | $307.0K | 0.00% | +493+6.8% | Added |
| Lodestone Wealth Management LLC | 7,757 | $306.2K | 0.12% | +7,757 | New |
| CIBC Asset Management Inc | 7,737 | $305.5K | 0.00% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 7,697 | $303.9K | 0.01% | −101−1.3% | Reduced |
| Guidance Capital, Inc | 5,655 | $296.6K | 0.07% | +5,655 | New |
| Evolve Private Wealth, LLC | 7,393 | $291.9K | 0.02% | +7,393 | New |
| Phillips Wealth Planners LLC | 5,399 | $288.6K | 0.23% | +5,399 | New |
| Mackenzie Financial Corp | 7,126 | $287.3K | 0.00% | −808−10.2% | Reduced |
| Westwood Holdings Group Inc. | 7,277 | $287.3K | 0.00% | −835−10.3% | Reduced |
| Amundi | 7,236 | $285.7K | 0.00% | −171,908−96.0% | Reduced |
| Caerus Investment Advisors, LLC | 7,106 | $280.5K | 0.09% | 00.0% | Unchanged |
| Gateway Investment Advisers LLC | 7,075 | $279.3K | 0.00% | +7,075 | New |
| Coldstream Capital Management Inc | 7,046 | $278.2K | 0.00% | +7,046 | New |
| State of Wisconsin Investment Board | 6,836 | $269.9K | 0.00% | −98,572−93.5% | Reduced |
| Boothbay Fund Management, LLC | 6,792 | $268.1K | 0.01% | +6,792 | New |
| US Bancorp | 6,638 | $262.1K | 0.00% | −101−1.5% | Reduced |
| Advisor Group Holdings, Inc. | 6,597 | $260.5K | 0.00% | +943+16.7% | Added |
| Atria Investments LLC | 6,514 | $257.2K | 0.00% | −2,246−25.6% | Reduced |