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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, 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.

Institutional holdersQ4 2025: 455 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 heldQ4 2025: $4.49B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q3 2025.

Institutions holding AMKR in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Tairen Capital Ltd6,500$256.6K0.03%+6,500New
Crossmark Global Holdings, Inc.6,476$255.7K0.00%+6,476New
Maryland State Retirement & Pension System6,420$253.5K0.01%+6,420New
Chicago Partners Investment Group LLC4,937$245.4K0.01%+4,937New
Argent Trust Co6,191$244.4K0.01%+6,191New
Utah Retirement Systems6,100$240.8K0.00%+6,100New
Resources Investment Advisors, LLC.6,059$239.2K0.00%+6,059New
Stifel Financial Corp6,027$237.9K0.00%+6,027New
Warren Averett Asset Management, LLC6,026$237.9K0.00%+6,026New
Jackson Thornton Asset Management, LLC4,610$236.4K0.02%+4,610New
The PNC Financial Services Group, Inc.5,968$235.6K0.00%−4,914−45.2%Reduced
Parallel Advisors, LLC5,938$234.4K0.00%+563+10.5%Added
Scotia Capital Inc.5,926$234.0K0.00%+5,926New
Swiss Life Asset Management Ltd5,888$232.5K0.00%+5,888New
Kestra Private Wealth Services, LLC5,867$231.6K0.00%+5,867New
Advisory Services Network, LLC5,848$230.9K0.00%+3,603+160.5%Added
1620 Investment Advisors, Inc.5,819$229.7K0.15%−144−2.4%Reduced
Neuberger Berman Group LLC5,813$229.5K0.00%+5,813New
CFC Planning Co LLC5,690$224.6K0.17%−3,227−36.2%Reduced
CAPROCK Group, Inc.5,630$222.3K0.00%+5,630New
Caitong International Asset Management Co., Ltd5,597$221.0K0.05%+5,188+1,268.5%Added
Verition Fund Management LLC5,584$220.5K0.00%−35,744−86.5%Reduced
Connecticut Capital Management Group, LLC5,556$219.4K0.21%+5,556New
Hantz Financial Services, Inc.5,453$215.0K0.00%+2,300+72.9%Added
HighTower Advisors, LLC5,439$214.7K0.00%−7,553−58.1%Reduced
Candriam Luxembourg S.C.A.5,410$213.6K0.00%+5,410New
Canada Pension Plan Investment Board5,400$213.2K0.00%−9,200−63.0%Reduced
Norden Group LLC5,389$212.8K0.02%+5,389New
Rothschild Investment LLC5,350$211.2K0.01%−63−1.2%Reduced
Optas, LLC5,255$207.5K0.03%+5,255New
Headlands Technologies LLC5,157$203.6K0.02%−7,749−60.0%Reduced
Two Sigma Securities, LLC5,110$201.7K0.03%−9,568−65.2%Reduced
AlphaCore Capital LLC5,086$200.8K0.00%+5,086New
Smithfield Trust Co5,000$197.0K0.01%00.0%Unchanged
First Command Advisory Services, Inc.4,700$185.6K0.00%00.0%Unchanged
USA Financial Portformulas Corp4,537$179.1K0.03%+4,537New
Allworth Financial LP4,091$161.5K0.00%+86+2.1%Added
EverSource Wealth Advisors, LLC3,368$133.0K0.00%+66+2.0%Added
Global Retirement Partners, LLC3,348$132.2K0.00%+900+36.8%Added
Kestra Advisory Services, LLC3,110$122.8K0.00%+3,110New
STRS Ohio2,736$108.0K0.00%+5+0.2%Added
Signaturefd, LLC2,644$104.4K0.00%+269+11.3%Added
Palouse Capital Management, Inc.2,624$103.6K0.07%−1,386−34.6%Reduced
Quaker Wealth Management, LLC2,514$99.3K0.03%00.0%Unchanged
Nisa Investment Advisors, LLC2,500$98.7K0.00%−138−5.2%Reduced
Steward Partners Investment Advisory, LLC2,220$87.6K0.00%+932+72.4%Added
Clear Street Markets LLC2,216$87.5K0.02%+2,216New
Northwestern Mutual Wealth Management Co2,161$85.3K0.00%+16+0.7%Added
Jones Financial Companies LLLP1,990$78.6K0.00%−586−22.7%Reduced
SBI Securities Co., Ltd.1,949$76.9K0.00%+1,475+311.2%Added
Versant Capital Management, Inc1,918$75.7K0.01%00.0%Unchanged
Umb Bank N A1,874$74.0K0.00%−217−10.4%Reduced
Larson Financial Group LLC1,847$72.9K0.00%+586+46.5%Added
Nomura Asset Management Co Ltd1,800$71.1K0.00%00.0%Unchanged
Massmutual Trust Co FSB1,710$67.5K0.00%+80+4.9%Added
Harbour Investments, Inc.1,622$64.0K0.00%−266−14.1%Reduced
Hurley Capital, LLC1,598$63.1K0.04%−29−1.8%Reduced
Fifth Third Bancorp1,531$60.4K0.00%−64−4.0%Reduced
Essex Investment Management Co LLC1,526$60.2K0.01%00.0%Unchanged
Farther Finance Advisors, LLC1,507$59.5K0.00%−3,674−70.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,482$59.0K0.00%+491+49.5%Added
Public Employees Retirement Association of Colorado1,439$57.0K0.00%00.0%Unchanged
MAI Capital Management1,229$48.5K0.00%+766+165.4%Added
Bessemer Group Inc1,081$43.0K0.00%+148+15.9%Added
Quarry LP1,071$42.3K0.01%+1,071New
Salomon & Ludwin, LLC858$41.3K0.00%00.0%Unchanged
State of Wyoming1,033$40.8K0.00%+1,033New
IFP Advisors, Inc1,021$40.3K0.00%00.0%Unchanged
Root Financial Partners, LLC937$37.0K0.00%+262+38.8%Added
Whittier Trust Co of Nevada Inc640$32.8K0.00%−7−1.1%Reduced
Ronald Blue Trust, Inc.778$30.7K0.00%−313−28.7%Reduced
Fortitude Family Office, LLC740$29.2K0.01%+33+4.7%Added
Smartleaf Asset Management LLC684$27.6K0.00%+440+180.3%Added
SRS Capital Advisors, Inc.675$26.6K0.00%−47,003−98.6%Reduced
Solstein Capital, LLC638$25.2K0.01%+174+37.5%Added
Matrix Trust Co619$24.0K0.00%+619New
Crews Bank & Trust570$22.5K0.00%+570New
Whittier Trust Co432$22.2K0.00%00.0%Unchanged
Atlantic Trust, LLC500$19.7K0.00%00.0%Unchanged
Bayban500$19.7K0.02%+500New
Rockefeller Capital Management L.P.495$19.5K0.00%+201+68.4%Added
SageView Advisory Group, LLC485$19.1K0.00%+485New
Assetmark, Inc479$18.9K0.00%+11+2.4%Added
Clearstead Advisors, LLC464$18.3K0.00%−1,212−72.3%Reduced
Brown Brothers Harriman & Co461$18.2K0.00%−2,985−86.6%Reduced
Transce3nd, LLC333$16.9K0.14%−45−11.9%Reduced
CoreCap Advisors, LLC317$12.5K0.00%−13−3.9%Reduced
Quent Capital, LLC292$11.5K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC280$11.1K0.00%+230+460.0%Added
Parkside Financial Bank & Trust278$11.0K0.00%00.0%Unchanged
Los Angeles Capital Management LLC325$10.4K0.00%+325New
Eastern Bank247$9.75K0.00%+247New
Pinnacle Wealth Planning Services, Inc.242$9.55K0.00%+242New
ORG Partners LLC233$9.20K0.00%+233New
JFS Wealth Advisors, LLC220$8.69K0.00%+134+155.8%Added
Keating Financial Advisory Services, Inc.214$8.45K0.00%+214New
Geneos Wealth Management Inc.206$8.13K0.00%00.0%Unchanged
Aspect Partners, LLC181$7.15K0.00%00.0%Unchanged
Sunbelt Securities, Inc.170$6.71K0.00%00.0%Unchanged
WealthCollab, LLC165$6.51K0.00%00.0%Unchanged