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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.

Institutional holdersQ1 2026: 533 institutions
Q1 2021: 255 institutionsQ2 2021: 256 institutionsQ3 2021: 269 institutionsQ4 2021: 273 institutionsQ1 2022: 281 institutionsQ2 2022: 266 institutionsQ3 2022: 274 institutionsQ4 2022: 294 institutionsQ1 2023: 294 institutionsQ2 2023: 300 institutionsQ3 2023: 305 institutionsQ4 2023: 317 institutionsQ1 2024: 338 institutionsQ2 2024: 395 institutionsQ3 2024: 359 institutionsQ4 2024: 335 institutionsQ1 2025: 347 institutionsQ2 2025: 348 institutionsQ3 2025: 383 institutionsQ4 2025: 455 institutionsQ1 2026: 533 institutionsQ2 2026: 648 institutions
Value heldQ1 2026: $5.44B
Q1 2021: $2.28BQ2 2021: $2.22BQ3 2021: $2.35BQ4 2021: $2.33BQ1 2022: $2.05BQ2 2022: $1.61BQ3 2022: $1.61BQ4 2022: $2.27BQ1 2023: $2.45BQ2 2023: $2.86BQ3 2023: $2.33BQ4 2023: $3.50BQ1 2024: $3.43BQ2 2024: $4.22BQ3 2024: $3.27BQ4 2024: $2.81BQ1 2025: $1.96BQ2 2025: $2.37BQ3 2025: $3.06BQ4 2025: $4.49BQ1 2026: $5.44BQ2 2026: $9.95B
Institutions holding AMKR and their total value by quarter
QuarterHoldersValue
Q2 2026648$9.95B
Q1 2026533$5.44B
Q4 2025455$4.49B
Q3 2025383$3.06B
Q2 2025348$2.37B
Q1 2025347$1.96B
Q4 2024335$2.81B
Q3 2024359$3.27B
Q2 2024395$4.22B
Q1 2024338$3.43B
Q4 2023317$3.50B
Q3 2023305$2.33B
Q2 2023300$2.86B
Q1 2023294$2.45B
Q4 2022294$2.27B
Q3 2022274$1.61B
Q2 2022266$1.61B
Q1 2022281$2.05B
Q4 2021273$2.33B
Q3 2021269$2.35B
Q2 2021256$2.22B
Q1 2021255$2.28B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q4 2025.

Institutions holding AMKR in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Quaker Wealth Management, LLC2,514$113.2K0.04%00.0%Unchanged
Rockefeller Capital Management L.P.2,506$112.9K0.00%+2,011+406.3%Added
SRS Capital Advisors, Inc.1,690$112.8K0.00%+1,015+150.4%Added
MAI Capital Management2,279$102.6K0.00%+1,050+85.4%Added
Northwestern Mutual Wealth Management Co2,116$95.3K0.00%−45−2.1%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2,103$94.7K0.00%+621+41.9%Added
Versant Capital Management, Inc2,029$91.4K0.01%+111+5.8%Added
Nkcfo LLC2,000$90.0K0.03%−11,100−84.7%Reduced
Umb Bank N A1,892$85.2K0.00%+18+1.0%Added
Clear Street Markets LLC1,771$79.7K0.04%−445−20.1%Reduced
Harbour Investments, Inc.1,743$78.5K0.00%+121+7.5%Added
Farther Finance Advisors, LLC1,660$77.2K0.00%+153+10.2%Added
Massmutual Trust Co FSB1,706$76.8K0.00%−4−0.2%Reduced
Pinnacle Wealth Planning Services, Inc.1,652$74.4K0.01%+1,410+582.6%Added
Hurley Capital, LLC1,600$72.1K0.04%+2+0.1%Added
SBI Securities Co., Ltd.1,569$70.7K0.00%−380−19.5%Reduced
Essex Investment Management Co LLC1,526$68.7K0.01%00.0%Unchanged
Leonteq Securities AG1,422$64.0K0.00%+1,352+1,931.4%Added
Root Financial Partners, LLC1,363$61.4K0.00%+426+45.5%Added
Bessemer Group Inc1,216$55.0K0.00%+135+12.5%Added
Nomura Asset Management Co Ltd1,070$48.2K0.00%−730−40.6%Reduced
IFP Advisors, Inc1,033$46.5K0.00%+12+1.2%Added
Hollencrest Capital Management1,000$45.0K0.00%+1,000New
Palouse Capital Management, Inc.989$44.5K0.03%−1,635−62.3%Reduced
Stance Capital LLC900$40.5K0.02%+900New
Salomon & Ludwin, LLC858$40.1K0.00%00.0%Unchanged
Brown Brothers Harriman & Co784$35.3K0.00%+323+70.1%Added
Ronald Blue Trust, Inc.761$34.3K0.00%−17−2.2%Reduced
Smartleaf Asset Management LLC720$29.7K0.00%+36+5.3%Added
Owl Creek Wealth Partners LLC659$29.7K0.01%+659New
Quarry LP644$29.0K0.01%−427−39.9%Reduced
Alphadyne Asset Management LP615$27.7K0.00%+615New
Solstein Capital, LLC603$27.2K0.01%−35−5.5%Reduced
CVA Family Office, LLC574$25.8K0.00%+435+312.9%Added
Crews Bank & Trust570$25.7K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc512$24.1K0.00%−128−20.0%Reduced
Atlantic Trust, LLC500$22.5K0.00%00.0%Unchanged
Bayban500$22.5K0.02%00.0%Unchanged
Whittier Trust Co432$20.3K0.00%00.0%Unchanged
MCF Advisors LLC444$20.0K0.00%+444New
GWM Advisors LLC429$19.3K0.00%+304+243.2%Added
Rakuten Securities, Inc.398$17.9K0.01%+298+298.0%Added
Fortitude Family Office, LLC351$15.8K0.00%−389−52.6%Reduced
Golden State Equity Partners351$15.8K0.00%+351New
Parkside Financial Bank & Trust328$14.8K0.00%+50+18.0%Added
Newbridge Financial Services Group, Inc.328$14.8K0.00%+328New
True Wealth Design, LLC308$13.9K0.00%+158+105.3%Added
Quent Capital, LLC300$13.5K0.00%+8+2.7%Added
CoreCap Advisors, LLC280$12.6K0.00%−37−11.7%Reduced
JFS Wealth Advisors, LLC277$12.5K0.00%+57+25.9%Added
Elequin Capital LP267$12.0K0.00%+267New
Eastern Bank247$11.1K0.00%00.0%Unchanged
CX Institutional224$10.0K0.00%+224New
Transce3nd, LLC218$9.82K0.09%−115−34.5%Reduced
Aspect Partners, LLC211$9.50K0.00%+30+16.6%Added
Geneos Wealth Management Inc.206$9.28K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.195$8.78K0.00%−19−8.9%Reduced
WealthCollab, LLC178$8.02K0.00%+13+7.9%Added
Mark Sheptoff Financial Planning, LLC100$7.67K0.00%+100New
Sunbelt Securities, Inc.170$7.66K0.00%00.0%Unchanged
Eurizon Capital SGR S.p.A.175$7.25K0.00%+175New
Rossby Financial, LCC153$7.11K0.00%+153New
Joseph Group Capital Management153$6.89K0.00%+153New
Adirondack Trust Co150$6.75K0.00%00.0%Unchanged
Bell Investment Advisors, Inc144$6.49K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.129$5.81K0.00%+26+25.2%Added
Zions Bancorporation, National Association128$5.76K0.00%+128New
MV Capital Management, Inc.127$5.72K0.00%−5−3.8%Reduced
Sachetta, LLC113$5.09K0.00%+83+276.7%Added
Bruce G. Allen Investments, LLC112$5.04K0.00%00.0%Unchanged
Kilter Group LLC101$4.55K0.00%00.0%Unchanged
Danske Bank A/S100$4.50K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc100$4.50K0.00%00.0%Unchanged
Private Wealth Management Group, LLC98$4.41K0.00%00.0%Unchanged
Torren Management, LLC97$4.37K0.00%−4−4.0%Reduced
SJS Investment Consulting Inc.92$4.14K0.00%+68+283.3%Added
Private Trust Co NA91$4.10K0.00%+91New
McMillan Office, Inc.90$4.05K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.78$3.61K0.00%00.0%Unchanged
Central Trust Co77$3.48K0.00%00.0%Unchanged
TD Capital Management LLC76$3.43K0.00%+76New
DiNuzzo Private Wealth, Inc.73$3.29K0.00%+21+40.4%Added
Wealth Enhancement Trust Services, Inc.73$3.29K0.00%00.0%Unchanged
Rialto Wealth Management, LLC72$3.24K0.00%+14+24.1%Added
Bogart Wealth, LLC72$3.24K0.00%+12+20.0%Added
Basecamp Wealth Advisors LLC72$3.24K0.00%+72New
JDM Financial Group LLC71$3.20K0.00%+71New
Armstrong Advisory Group, Inc63$2.84K0.00%+63New
JNBA Financial Advisors62$2.79K0.00%00.0%Unchanged
UMA Financial Services, Inc.62$2.79K0.00%00.0%Unchanged
Sunrise Financial Services, LLC61$2.75K0.00%00.0%Unchanged
Kingdom Financial Group LLC.53$2.39K0.00%00.0%Unchanged
Lloyd Advisory Services, LLC.53$2.39K0.00%+53New
Bay Harbor Wealth Management, LLC53$2.39K0.00%+28+112.0%Added
Albion Financial Group51$2.30K0.00%+51New
Huntington National Bank49$2.21K0.00%00.0%Unchanged
AdvisorNet Financial, Inc48$2.16K0.00%−8−14.3%Reduced
Prestige Wealth Management Group LLC46$2.07K0.00%00.0%Unchanged
Essential Investment Partners LLC46$2.07K0.00%+46New
Avion Wealth53$2.00K0.00%00.0%Unchanged