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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 2022

Institutional positions in Amkor Technology, Inc. as of Dec 31, 2022. 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
294
+24 vs. Q3 2022
Shares held
94.7M
+481.0K (+0.5%) vs. Q3 2022
Total value
$2.27B
+$664.6M (+41.4%) vs. Q3 2022
New holders
59
89 more added
Sold out
35
107 more reduced

4 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 294 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 2022: $2.27B
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 2022

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q3 2022.

Institutions holding AMKR in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Martingale Asset Management L P52,144$1.25M0.02%−2,604−4.8%Reduced
Truist Financial Corp52,643$1.26M0.00%+37,895+257.0%Added
GHP Investment Advisors, Inc.53,786$1.29M0.09%+2,302+4.5%Added
Yousif Capital Management, LLC54,263$1.30M0.02%+2,786+5.4%Added
Cubist Systematic Strategies, LLC55,948$1.34M0.01%−59,577−51.6%Reduced
Comerica Bank44,326$1.36M0.01%−715−1.6%Reduced
Teacher Retirement System of Texas58,603$1.41M0.01%−27,348−31.8%Reduced
Price T Rowe Associates Inc61,116$1.47M0.00%+4,880+8.7%Added
Hussman Strategic Advisors, Inc.62,000$1.49M0.24%−62,000−50.0%Reduced
Soros Capital Management LLC62,355$1.50M1.91%−7,545−10.8%Reduced
Virginia Retirement Systems Et Al63,900$1.53M0.02%−6,600−9.4%Reduced
Raymond James & Associates66,195$1.59M0.00%+206+0.3%Added
Texas Permanent School Fund67,524$1.62M0.02%−4,672−6.5%Reduced
Amalgamated Bank68,433$1.64M0.01%+1,166+1.7%Added
Los Angeles Capital Management LLC68,821$1.65M0.01%−37,481−35.3%Reduced
Barclays PLC70,147$1.68M0.00%+1,407+2.0%Added
Glenmede Trust Co NA70,881$1.70M0.01%−2,279−3.1%Reduced
Guggenheim Capital LLC73,218$1.76M0.02%−7,904−9.7%Reduced
CI Private Wealth, LLC74,373$1.78M0.01%+74,373New
Citadel Advisors LLC75,940$1.82M0.00%−120,395−61.3%Reduced
Twinbeech Capital LP76,222$1.83M0.03%+52,662+223.5%Added
BNP Paribas Arbitrage, SA77,504$1.86M0.00%−24,175−23.8%Reduced
Great West Life Assurance Co79,389$1.91M0.01%+8,227+11.6%Added
KBC Group NV81,943$1.97M0.01%+3,540+4.5%Added
Mutual of America Capital Management LLC82,515$1.98M0.02%+1,855+2.3%Added
State of New Jersey Common Pension Fund D83,939$2.01M0.01%−27,570−24.7%Reduced
Credit Suisse AG93,310$2.24M0.00%−12,513−11.8%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC94,300$2.26M0.01%−300−0.3%Reduced
Thrivent Financial for Lutherans100,013$2.40M0.01%−7,118−6.6%Reduced
Macquarie Group Ltd102,600$2.46M0.00%00.0%Unchanged
SEI Investments Co102,645$2.46M0.01%+10,227+11.1%Added
Deutsche Bank AG107,233$2.57M0.00%−178,401−62.5%Reduced
State Board of Administration of Florida Retirement System107,868$2.59M0.01%−26,510−19.7%Reduced
Two Sigma Advisers, LP108,100$2.59M0.01%+7,800+7.8%Added
MetLife Investment Management115,646$2.77M0.02%−1,241−1.1%Reduced
Squarepoint Ops LLC118,110$2.83M0.02%+118,110New
Manufacturers Life Insurance Company, The122,025$2.93M0.00%+80+0.1%Added
Massachusetts Financial Services Co128,447$3.08M0.00%−129,702−50.2%Reduced
Retirement Systems of Alabama132,383$3.17M0.01%+963+0.7%Added
Man Group plc132,850$3.19M0.01%+8,629+6.9%Added
California State Teachers Retirement System136,386$3.27M0.01%+1,521+1.1%Added
Two Sigma Investments, LP138,247$3.32M0.01%−48,952−26.1%Reduced
Alberta Investment Management Corp143,636$3.44M0.03%00.0%Unchanged
Denali Advisors LLC149,696$3.59M1.50%−52,598−26.0%Reduced
Legal & General Group Plc152,291$3.65M0.00%−884−0.6%Reduced
Bridgeway Capital Management, LLC155,000$3.72M0.10%+13,000+9.2%Added
Divisar Capital Management LLC171,600$4.11M1.01%−227,328−57.0%Reduced
Skandinaviska Enskilda Banken AB (publ)173,800$4.17M0.03%+110,300+173.7%Added
Wells Fargo & Company181,940$4.36M0.00%+160,735+758.0%Added
First Eagle Investment Management, LLC182,086$4.37M0.01%−8,500−4.5%Reduced
Qube Research & Technologies Ltd184,750$4.43M0.03%+184,750New
Allianz Asset Management GmbH186,176$4.46M0.01%+4,430+2.4%Added
State of Alaska, Department of Revenue201,230$4.83M0.06%−59,904−22.9%Reduced
American International Group, Inc.203,409$4.88M0.03%−2,136−1.0%Reduced
Envestnet Asset Management Inc205,081$4.92M0.00%+41,297+25.2%Added
Janus Henderson Group PLC215,463$5.17M0.00%−39,357−15.4%Reduced
Alliancebernstein L.P.242,632$5.82M0.00%+633+0.3%Added
FMR LLC253,223$6.07M0.00%−54,229−17.6%Reduced
Swiss National Bank266,000$6.38M0.00%+4,800+1.8%Added
Voloridge Investment Management, LLC291,038$6.98M0.04%+244,906+530.9%Added
Rhumbline Advisers349,154$8.37M0.01%+2,675+0.8%Added
Principal Financial Group Inc413,580$9.92M0.01%+21,949+5.6%Added
New York State Common Retirement Fund479,604$11.5M0.02%+216,786+82.5%Added
JPMorgan Chase & Co507,553$12.2M0.00%−654,302−56.3%Reduced
Prudential Financial Inc549,200$13.2M0.02%+18,702+3.5%Added
Bank of America Corp558,336$13.4M0.00%+111,832+25.0%Added
Panagora Asset Management Inc607,986$14.6M0.10%−5,460−0.9%Reduced
Goldman Sachs Group Inc609,511$14.6M0.00%−179,435−22.7%Reduced
Ameriprise Financial Inc649,336$15.6M0.01%+134,705+26.2%Added
First Trust Advisors LP728,106$17.5M0.02%−129,114−15.1%Reduced
Royce & Associates LP787,931$18.9M0.20%−198,000−20.1%Reduced
American Century Companies Inc803,648$19.3M0.02%+62,130+8.4%Added
Nuveen Asset Management, LLC844,732$20.3M0.01%−14,660−1.7%Reduced
Norges Bank849,533$20.4M0.00%−96,002−10.2%Reduced
Westwood Holdings Group Inc.918,050$22.0M0.19%−6,221−0.7%Reduced
Arrowstreet Capital, Limited Partnership1,011,219$24.2M0.03%+836,109+477.5%Added
Morgan Stanley1,083,907$26.0M0.00%+30,961+2.9%Added
Invesco Ltd.1,116,444$26.8M0.01%+26,750+2.5%Added
AQR Capital Management LLC1,383,074$32.7M0.07%−673,308−32.7%Reduced
Charles Schwab Investment Management Inc1,394,658$33.4M0.01%−2,153−0.2%Reduced
Bank of New York Mellon Corp1,446,086$34.7M0.01%+108,870+8.1%Added
Earnest Partners LLC1,794,499$43.0M0.26%+1,322,267+280.0%Added
Northern Trust Corp1,815,530$43.5M0.01%−19,260−1.0%Reduced
Bandera Partners LLC1,827,921$43.8M20.75%00.0%Unchanged
Geode Capital Management, LLC2,239,074$53.7M0.01%+13,404+0.6%Added
SW Investment Management LLC3,000,000$71.9M34.11%00.0%Unchanged
Fuller & Thaler Asset Management, Inc.3,349,550$80.3M0.51%−45,907−1.4%Reduced
State Street Corp3,420,009$82.0M0.00%−3,016−0.1%Reduced
LSV Asset Management8,051,762$193.1M0.43%−303,686−3.6%Reduced
Vanguard Group Inc13,127,082$314.8M0.01%+65,228+0.5%Added
BlackRock Inc.13,223,743$317.1M0.01%+870,136+7.0%Added
Dimensional Fund Advisors LP15,711,184$376.8M0.13%+51,306+0.3%Added
Tfo-TDC, LLC5––+5New
Sofos Investments, Inc.24––+24New
UBS Asset Management Americas Inc0$00.00%−118,978−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−79,644−100.0%Sold out
Algert Global LLC0$00.00%−70,040−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−56,857−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−56,121−100.0%Sold out
Duality Advisers, LP0$00.00%−48,160−100.0%Sold out