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 2026
Institutional positions in Amkor Technology, Inc. as of Mar 31, 2026. 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
- 533
- +85 vs. Q4 2025
- Shares held
- 121.4M
- +24.9M (+25.8%) vs. Q4 2025
- Total value
- $5.44B
- +$1.63B (+42.7%) vs. Q4 2025
- New holders
- 141
- 190 more added
- Sold out
- 56
- 141 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deutsche Bank AG | 27,098 | $1.22M | 0.00% | +3,728+16.0% | Added |
| Vident Advisory, LLC | 26,168 | $1.18M | 0.01% | +15,290+140.6% | Added |
| Caitong International Asset Management Co., Ltd | 26,165 | $1.18M | 0.22% | +20,568+367.5% | Added |
| Horizon Investments, LLC | 25,678 | $1.16M | 0.01% | +6,656+35.0% | Added |
| Prudential Financial Inc | 25,570 | $1.15M | 0.00% | −3,815−13.0% | Reduced |
| Foster & Motley Inc | 25,531 | $1.15M | 0.06% | −551−2.1% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 25,486 | $1.15M | 0.02% | +45+0.2% | Added |
| Ethic Inc. | 25,245 | $1.14M | 0.02% | −5,756−18.6% | Reduced |
| Guggenheim Capital LLC | 24,930 | $1.12M | 0.01% | +4,422+21.6% | Added |
| GHP Investment Advisors, Inc. | 24,610 | $1.11M | 0.05% | −65,192−72.6% | Reduced |
| Atlas Capital Advisors LLC | 24,572 | $1.11M | 0.13% | +101+0.4% | Added |
| Oregon Public Employees Retirement Fund | 23,394 | $1.05M | 0.01% | +700+3.1% | Added |
| Voleon Capital Management LP | 23,146 | $1.04M | 0.02% | +23,146 | New |
| Brevan Howard Capital Management LP | 22,609 | $1.02M | 0.01% | +6,644+41.6% | Added |
| Brinker Capital Investments, LLC | 21,767 | $980.2K | 0.01% | −1,306−5.7% | Reduced |
| Silverleafe Capital Partners, LLC | 21,466 | $966.6K | 0.29% | +21,466 | New |
| Nomura Asset Management International Inc. | 21,400 | $964.0K | 0.00% | 00.0% | Unchanged |
| Sagewood Asset Management LP | 21,176 | $953.6K | 0.30% | −288−1.3% | Reduced |
| Ameritas Investment Partners, Inc. | 20,957 | $943.7K | 0.03% | +118+0.6% | Added |
| Verition Fund Management LLC | 20,718 | $932.9K | 0.01% | +15,134+271.0% | Added |
| New Mexico Educational Retirement Board | 20,500 | $923.0K | 0.03% | 00.0% | Unchanged |
| Hanseatic Management Services Inc | 20,432 | $920.1K | 0.88% | +20,432 | New |
| Pictet Asset Management Holding SA | 20,071 | $903.8K | 0.00% | +1,246+6.6% | Added |
| Fortitude Advisory Group L.L.C. | 20,065 | $903.5K | 0.41% | +459+2.3% | Added |
| FORA Capital, LLC | 19,589 | $882.3K | 0.06% | +19,589 | New |
| Clear Creek Financial Management, LLC | 19,358 | $871.7K | 0.07% | +5,866+43.5% | Added |
| Sequoia Financial Advisors, LLC | 19,317 | $869.8K | 0.00% | −4,941−20.4% | Reduced |
| Lazard Asset Management LLC | 19,180 | $863.7K | 0.00% | −7,098−27.0% | Reduced |
| Circle Wealth Management, LLC | 18,703 | $842.2K | 0.01% | +18,703 | New |
| Dark Forest Capital Management LP | 18,587 | $837.0K | 0.07% | +18,587 | New |
| Aster Capital Management (DIFC) Ltd | 45,562 | $822.9K | 0.27% | +45,562 | New |
| Virtue Capital Management, LLC | 19,781 | $816.0K | 0.12% | +19,781 | New |
| Xponance, Inc. | 17,961 | $808.8K | 0.01% | +3,072+20.6% | Added |
| Twin Tree Management, LP | 17,917 | $806.8K | 0.17% | −99,444−84.7% | Reduced |
| Oak Thistle LLC | 17,881 | $805.2K | 0.08% | −4,253−19.2% | Reduced |
| Quantbot Technologies LP | 17,830 | $802.9K | 0.03% | +17,830 | New |
| Voya Investment Management LLC | 17,131 | $771.4K | 0.00% | +8,704+103.3% | Added |
| Pacer Advisors, Inc. | 16,813 | $757.0K | 0.00% | −6,023−26.4% | Reduced |
| Allstate Corp | 16,811 | $757.0K | 0.01% | +16,811 | New |
| BDFS Capital LLC | 16,517 | $743.8K | 0.36% | +16,517 | New |
| Public Employees Retirement Association of Colorado | 16,387 | $738.0K | 0.00% | +14,948+1,038.8% | Added |
| ProShare Advisors LLC | 16,121 | $725.9K | 0.00% | −4,422−21.5% | Reduced |
| Colony Group, LLC | 16,052 | $722.8K | 0.00% | +7,642+90.9% | Added |
| Holocene Advisors, LP | 16,018 | $721.3K | 0.00% | −26,843−62.6% | Reduced |
| Three Seasons Wealth, LLC | 15,632 | $703.9K | 0.27% | +15,632 | New |
| AlphaGrep UK Ltd | 15,549 | $700.2K | 0.21% | +15,549 | New |
| Savant Capital, LLC | 15,512 | $698.5K | 0.00% | +3,504+29.2% | Added |
| Connable Office Inc | 15,448 | $695.6K | 0.07% | −4,051−20.8% | Reduced |
| West Michigan Advisors, LLC | 15,418 | $694.3K | 0.15% | +15,418 | New |
| Natixis Advisors, L.P. | 15,341 | $691.0K | 0.00% | +2,140+16.2% | Added |
| Wolverine Asset Management LLC | 15,275 | $687.8K | 0.01% | +15,275 | New |
| Prelude Capital Management, LLC | 15,111 | $680.4K | 0.05% | +15,111 | New |
| Callan Family Office, LLC | 15,065 | $678.4K | 0.02% | −2,414−13.8% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 15,054 | $677.9K | 0.00% | −4,300−22.2% | Reduced |
| New York Life Investment Management LLC | 14,979 | $674.5K | 0.01% | +14,979 | New |
| Gaddis Premier Wealth Advisors LLC | 14,926 | $672.1K | 0.50% | +14,926 | New |
| Skopos Labs, Inc. | 14,888 | $670.4K | 0.02% | +5,142+52.8% | Added |
| Meeder Advisory Services, Inc. | 14,595 | $657.2K | 0.03% | +73+0.5% | Added |
| Wedmont Private Capital | 12,344 | $647.1K | 0.02% | +2,609+26.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 14,365 | $646.9K | 0.00% | +6,298+78.1% | Added |
| New Age Alpha Advisors, LLC | 14,122 | $635.9K | 0.03% | −320−2.2% | Reduced |
| Pilgrim Partners Asia Pte Ltd | 14,100 | $634.9K | 0.27% | +14,100 | New |
| Pallas Capital Advisors LLC | 14,099 | $634.9K | 0.02% | +196+1.4% | Added |
| Massar Capital Management, LP | 13,956 | $628.4K | 0.13% | 00.0% | Unchanged |
| Merit Financial Group, LLC | 13,806 | $621.7K | 0.00% | +652+5.0% | Added |
| DRW Securities, LLC | 13,645 | $614.4K | 0.03% | +13,645 | New |
| Chase Investment Counsel Corp | 13,595 | $612.0K | 0.16% | 00.0% | Unchanged |
| Arista Wealth Management, LLC | 13,485 | $607.2K | 0.07% | +13,485 | New |
| Bull Harbor Capital LLC | 13,399 | $603.4K | 0.16% | +13,399 | New |
| DGS Capital Management, LLC | 13,263 | $597.2K | 0.10% | −54−0.4% | Reduced |
| Aristeia Capital LLC | 13,160 | $592.6K | 0.01% | +13,160 | New |
| Sterling Capital Management LLC | 12,907 | $581.2K | 0.01% | −7,625−37.1% | Reduced |
| Aigen Investment Management, LP | 12,698 | $571.8K | 0.15% | +12,698 | New |
| Fieldview Capital Management, LLC | 12,474 | $561.7K | 0.16% | +12,474 | New |
| O'Shaughnessy Asset Management, LLC | 12,370 | $557.0K | 0.00% | +2,571+26.2% | Added |
| Counterpoint Mutual Funds LLC | 12,084 | $544.1K | 0.08% | +12,084 | New |
| Teacher Retirement System of Texas | 11,920 | $536.8K | 0.00% | +11,920 | New |
| Advisors Asset Management, Inc. | 11,899 | $535.8K | 0.01% | +1,457+14.0% | Added |
| J. Safra Sarasin Holding AG | 11,534 | $519.4K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 11,277 | $508.0K | 0.02% | −30,740−73.2% | Reduced |
| Chicago Partners Investment Group LLC | 6,939 | $501.3K | 0.01% | +2,002+40.6% | Added |
| Scotia Capital Inc. | 10,924 | $491.9K | 0.00% | +4,998+84.3% | Added |
| Capstone Investment Advisors, LLC | 10,918 | $491.6K | 0.00% | +10,918 | New |
| Krilogy Financial LLC | 7,767 | $488.5K | 0.02% | +147+1.9% | Added |
| Claret Asset Management Corp | 10,822 | $487.0K | 0.06% | +20.0% | Added |
| Williams & Novak, LLC | 10,471 | $486.8K | 0.36% | −487−4.4% | Reduced |
| Leuthold Group, LLC | 10,782 | $485.5K | 0.05% | −322−2.9% | Reduced |
| Bleakley Financial Group, LLC | 10,745 | $483.8K | 0.01% | +134+1.3% | Added |
| Integrated Investment Consultants, LLC | 10,735 | $483.4K | 0.10% | −1,635−13.2% | Reduced |
| Vise Technologies, Inc. | 12,214 | $482.2K | 0.01% | 00.0% | Unchanged |
| Paragon Capital Management Ltd | 10,616 | $478.1K | 0.10% | −547−4.9% | Reduced |
| IMC-Chicago, LLC | 10,088 | $454.3K | 0.01% | −11,050−52.3% | Reduced |
| Atlas Brown,Inc. | 10,075 | $453.7K | 0.14% | −300−2.9% | Reduced |
| Watershed Asset Management, L.L.C. | 10,066 | $453.3K | 0.47% | −1,336−11.7% | Reduced |
| Shay Capital LLC | 10,000 | $450.3K | 0.06% | +1,500+17.6% | Added |
| Phoenix Holdings Ltd. | 9,978 | $449.0K | 0.00% | +9,978 | New |
| GAM Holding AG | 9,875 | $444.7K | 0.04% | +9,875 | New |
| Mission Wealth Management, LP | 9,713 | $437.4K | 0.01% | −3,934−28.8% | Reduced |
| Cynosure Management, LLC | 9,600 | $432.3K | 0.05% | +9,600 | New |
| Transcend Wealth Collective, LLC | 9,528 | $429.0K | 0.03% | +457+5.0% | Added |