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 |
|---|---|---|---|---|---|
| Ulland Investment Advisors, LLC | 7,280 | $328.0K | 0.28% | −6,930−48.8% | Reduced |
| Candriam Luxembourg S.C.A. | 7,332 | $330.2K | 0.00% | +1,922+35.5% | Added |
| EP Wealth Advisors, LLC | 7,335 | $330.3K | 0.00% | −1,034−12.4% | Reduced |
| Parallel Advisors, LLC | 7,348 | $330.9K | 0.01% | +1,410+23.7% | Added |
| Profund Advisors LLC | 7,435 | $334.8K | 0.01% | −1,002−11.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 7,475 | $336.6K | 0.00% | −120,948−94.2% | Reduced |
| HighTower Advisors, LLC | 7,476 | $336.6K | 0.00% | +2,037+37.5% | Added |
| CBOE Vest Financial, LLC | 7,486 | $337.1K | 0.00% | −291−3.7% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 7,565 | $340.7K | 0.01% | −132−1.7% | Reduced |
| Evolve Private Wealth, LLC | 7,615 | $342.9K | 0.02% | +222+3.0% | Added |
| The PNC Financial Services Group, Inc. | 7,726 | $347.9K | 0.00% | +1,758+29.5% | Added |
| CIBC Asset Management Inc | 7,737 | $348.4K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 7,880 | $354.8K | 0.00% | 00.0% | Unchanged |
| Guidance Capital, Inc | 4,644 | $356.3K | 0.08% | −1,011−17.9% | Reduced |
| Lodestone Wealth Management LLC | 7,966 | $358.7K | 0.14% | +209+2.7% | Added |
| GWN Securities Inc. | 7,967 | $358.8K | 0.07% | +7,967 | New |
| Swiss Life Asset Management Ltd | 8,055 | $362.7K | 0.00% | +2,167+36.8% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 8,064 | $363.1K | 0.01% | +8,064 | New |
| Blue Bell Private Wealth Management, LLC | 8,083 | $364.0K | 0.05% | +8,083 | New |
| Panagora Asset Management Inc | 8,144 | $366.7K | 0.00% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 8,306 | $374.0K | 0.04% | −694−7.7% | Reduced |
| Whalen Wealth Management Inc. | 8,357 | $376.3K | 0.20% | +8,357 | New |
| Securian Asset Management, Inc | 8,385 | $377.6K | 0.01% | +115+1.4% | Added |
| Bauman Advisory Group, LLC | 8,433 | $379.7K | 0.27% | +8,433 | New |
| Essential Partners LLC | 8,526 | $383.9K | 0.13% | 00.0% | Unchanged |
| Buckingham Strategic Partners | 8,605 | $387.0K | 0.00% | +40.0% | Added |
| Kestra Investment Management, LLC | 8,638 | $389.0K | 0.01% | −156−1.8% | Reduced |
| Phillips Wealth Planners LLC | 5,213 | $399.8K | 0.30% | −186−3.4% | Reduced |
| DekaBank Deutsche Girozentrale | 9,919 | $416.0K | 0.00% | 00.0% | Unchanged |
| Freestone Grove Partners LP | 9,282 | $418.0K | 0.00% | +9,282 | New |
| Larson Financial Group LLC | 9,308 | $419.1K | 0.01% | +7,461+404.0% | Added |
| GAMMA Investing LLC | 9,317 | $419.5K | 0.02% | +410+4.6% | Added |
| Brighton Jones LLC | 9,509 | $428.2K | 0.01% | +9,509 | New |
| Transcend Wealth Collective, LLC | 9,528 | $429.0K | 0.03% | +457+5.0% | Added |
| Cynosure Management, LLC | 9,600 | $432.3K | 0.05% | +9,600 | New |
| Mission Wealth Management, LP | 9,713 | $437.4K | 0.01% | −3,934−28.8% | Reduced |
| GAM Holding AG | 9,875 | $444.7K | 0.04% | +9,875 | New |
| Phoenix Holdings Ltd. | 9,978 | $449.0K | 0.00% | +9,978 | New |
| Shay Capital LLC | 10,000 | $450.3K | 0.06% | +1,500+17.6% | Added |
| Watershed Asset Management, L.L.C. | 10,066 | $453.3K | 0.47% | −1,336−11.7% | Reduced |
| Atlas Brown,Inc. | 10,075 | $453.7K | 0.14% | −300−2.9% | Reduced |
| IMC-Chicago, LLC | 10,088 | $454.3K | 0.01% | −11,050−52.3% | Reduced |
| Paragon Capital Management Ltd | 10,616 | $478.1K | 0.10% | −547−4.9% | Reduced |
| Vise Technologies, Inc. | 12,214 | $482.2K | 0.01% | 00.0% | Unchanged |
| Integrated Investment Consultants, LLC | 10,735 | $483.4K | 0.10% | −1,635−13.2% | Reduced |
| Bleakley Financial Group, LLC | 10,745 | $483.8K | 0.01% | +134+1.3% | Added |
| Leuthold Group, LLC | 10,782 | $485.5K | 0.05% | −322−2.9% | Reduced |
| Williams & Novak, LLC | 10,471 | $486.8K | 0.36% | −487−4.4% | Reduced |
| Claret Asset Management Corp | 10,822 | $487.0K | 0.06% | +20.0% | Added |
| Krilogy Financial LLC | 7,767 | $488.5K | 0.02% | +147+1.9% | Added |
| Capstone Investment Advisors, LLC | 10,918 | $491.6K | 0.00% | +10,918 | New |
| Scotia Capital Inc. | 10,924 | $491.9K | 0.00% | +4,998+84.3% | Added |
| Chicago Partners Investment Group LLC | 6,939 | $501.3K | 0.01% | +2,002+40.6% | Added |
| Virtu Financial LLC | 11,277 | $508.0K | 0.02% | −30,740−73.2% | Reduced |
| J. Safra Sarasin Holding AG | 11,534 | $519.4K | 0.01% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 11,899 | $535.8K | 0.01% | +1,457+14.0% | Added |
| Teacher Retirement System of Texas | 11,920 | $536.8K | 0.00% | +11,920 | New |
| Counterpoint Mutual Funds LLC | 12,084 | $544.1K | 0.08% | +12,084 | New |
| O'Shaughnessy Asset Management, LLC | 12,370 | $557.0K | 0.00% | +2,571+26.2% | Added |
| Fieldview Capital Management, LLC | 12,474 | $561.7K | 0.16% | +12,474 | New |
| Aigen Investment Management, LP | 12,698 | $571.8K | 0.15% | +12,698 | New |
| Sterling Capital Management LLC | 12,907 | $581.2K | 0.01% | −7,625−37.1% | Reduced |
| Aristeia Capital LLC | 13,160 | $592.6K | 0.01% | +13,160 | New |
| DGS Capital Management, LLC | 13,263 | $597.2K | 0.10% | −54−0.4% | Reduced |
| Bull Harbor Capital LLC | 13,399 | $603.4K | 0.16% | +13,399 | New |
| Arista Wealth Management, LLC | 13,485 | $607.2K | 0.07% | +13,485 | New |
| Chase Investment Counsel Corp | 13,595 | $612.0K | 0.16% | 00.0% | Unchanged |
| DRW Securities, LLC | 13,645 | $614.4K | 0.03% | +13,645 | New |
| Merit Financial Group, LLC | 13,806 | $621.7K | 0.00% | +652+5.0% | Added |
| Massar Capital Management, LP | 13,956 | $628.4K | 0.13% | 00.0% | Unchanged |
| Pallas Capital Advisors LLC | 14,099 | $634.9K | 0.02% | +196+1.4% | Added |
| Pilgrim Partners Asia Pte Ltd | 14,100 | $634.9K | 0.27% | +14,100 | New |
| New Age Alpha Advisors, LLC | 14,122 | $635.9K | 0.03% | −320−2.2% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 14,365 | $646.9K | 0.00% | +6,298+78.1% | Added |
| Wedmont Private Capital | 12,344 | $647.1K | 0.02% | +2,609+26.8% | Added |
| Meeder Advisory Services, Inc. | 14,595 | $657.2K | 0.03% | +73+0.5% | Added |
| Skopos Labs, Inc. | 14,888 | $670.4K | 0.02% | +5,142+52.8% | Added |
| Gaddis Premier Wealth Advisors LLC | 14,926 | $672.1K | 0.50% | +14,926 | New |
| New York Life Investment Management LLC | 14,979 | $674.5K | 0.01% | +14,979 | New |
| Wiley Bros.-Aintree Capital, LLC | 15,054 | $677.9K | 0.00% | −4,300−22.2% | Reduced |
| Callan Family Office, LLC | 15,065 | $678.4K | 0.02% | −2,414−13.8% | Reduced |
| Prelude Capital Management, LLC | 15,111 | $680.4K | 0.05% | +15,111 | New |
| Wolverine Asset Management LLC | 15,275 | $687.8K | 0.01% | +15,275 | New |
| Natixis Advisors, L.P. | 15,341 | $691.0K | 0.00% | +2,140+16.2% | Added |
| West Michigan Advisors, LLC | 15,418 | $694.3K | 0.15% | +15,418 | New |
| Connable Office Inc | 15,448 | $695.6K | 0.07% | −4,051−20.8% | Reduced |
| Savant Capital, LLC | 15,512 | $698.5K | 0.00% | +3,504+29.2% | Added |
| AlphaGrep UK Ltd | 15,549 | $700.2K | 0.21% | +15,549 | New |
| Three Seasons Wealth, LLC | 15,632 | $703.9K | 0.27% | +15,632 | New |
| Holocene Advisors, LP | 16,018 | $721.3K | 0.00% | −26,843−62.6% | Reduced |
| Colony Group, LLC | 16,052 | $722.8K | 0.00% | +7,642+90.9% | Added |
| ProShare Advisors LLC | 16,121 | $725.9K | 0.00% | −4,422−21.5% | Reduced |
| Public Employees Retirement Association of Colorado | 16,387 | $738.0K | 0.00% | +14,948+1,038.8% | Added |
| BDFS Capital LLC | 16,517 | $743.8K | 0.36% | +16,517 | New |
| Allstate Corp | 16,811 | $757.0K | 0.01% | +16,811 | New |
| Pacer Advisors, Inc. | 16,813 | $757.0K | 0.00% | −6,023−26.4% | Reduced |
| Voya Investment Management LLC | 17,131 | $771.4K | 0.00% | +8,704+103.3% | Added |
| Quantbot Technologies LP | 17,830 | $802.9K | 0.03% | +17,830 | New |
| Oak Thistle LLC | 17,881 | $805.2K | 0.08% | −4,253−19.2% | Reduced |
| Twin Tree Management, LP | 17,917 | $806.8K | 0.17% | −99,444−84.7% | Reduced |