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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 2024

Institutional positions in Amkor Technology, Inc. as of Dec 31, 2024. 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
335
−19 vs. Q3 2024
Shares held
109.3M
+2.79M (+2.6%) vs. Q3 2024
Total value
$2.81B
−$450.3M (−13.8%) vs. Q3 2024
New holders
42
129 more added
Sold out
61
117 more reduced

5 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 335 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 2024: $2.81B
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 2024

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q3 2024.

Institutions holding AMKR in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Janney Montgomery Scott LLC33,925$872.0K0.00%+1,456+4.5%Added
HSBC Holdings PLC34,175$879.1K0.00%−113,192−76.8%Reduced
Teachers Retirement System of the State of Kentucky34,304$881.0K0.01%00.0%Unchanged
Caption Management, LLC35,200$904.3K0.04%+33,900+2,607.7%Added
Oppenheimer Asset Management Inc.36,151$928.7K0.01%−1,901−5.0%Reduced
Comerica Bank36,749$944.1K0.00%−848−2.3%Reduced
O'Shaughnessy Asset Management, LLC37,094$952.9K0.01%−32,437−46.7%Reduced
M&T Bank Corp38,580$991.0K0.00%+2,396+6.6%Added
Yousif Capital Management, LLC39,366$1.01M0.01%−1,693−4.1%Reduced
New York State Teachers Retirement System39,718$1.02M0.00%+782+2.0%Added
Police & Firemen's Retirement System of New Jersey41,060$1.05M0.01%+41,060New
State of Tennessee, Treasury Department43,094$1.11M0.00%−1,216−2.7%Reduced
Riverwater Partners LLC44,088$1.13M0.55%+1,142+2.7%Added
New York State Common Retirement Fund44,793$1.15M0.00%00.0%Unchanged
Ieq Capital, LLC47,118$1.21M0.01%+37,181+374.2%Added
BNP Paribas Arbitrage, SA47,936$1.23M0.00%−70,643−59.6%Reduced
Treasurer of the State of North Carolina49,570$1.27M0.00%+310+0.6%Added
Janus Henderson Group PLC50,423$1.30M0.00%−4,700−8.5%Reduced
Susquehanna International Group, LLP50,548$1.30M0.00%+32,783+184.5%Added
State Board of Administration of Florida Retirement System50,591$1.30M0.00%+14,070+38.5%Added
Glenmede Trust Co NA51,254$1.32M0.01%−287,918−84.9%Reduced
Federation des caisses Desjardins du Quebec51,897$1.33M0.01%+9,080+21.2%Added
Pathstone Holdings, LLC52,231$1.34M0.01%−9,700−15.7%Reduced
Victory Capital Management Inc53,102$1.36M0.00%−159,707−75.0%Reduced
Nissay Asset Management Corp52,847$1.38M0.01%+1,793+3.5%Added
Amundi53,137$1.38M0.00%−57,150−51.8%Reduced
Amalgamated Bank54,072$1.39M0.01%+1,270+2.4%Added
CI Private Wealth, LLC58,677$1.51M0.00%−6,415−9.9%Reduced
Mutual of America Capital Management LLC59,928$1.54M0.02%−1,325−2.2%Reduced
Engineers Gate Manager LP60,834$1.56M0.03%+60,834New
Millennium Management LLC61,190$1.57M0.00%+54,009+752.1%Added
PEAK6 LLC62,223$1.60M0.06%+62,223New
Public Employees Retirement System of Ohio62,383$1.60M0.01%+62,383New
Covea Finance62,500$1.61M0.07%+20,000+47.1%Added
MetLife Investment Management63,939$1.64M0.01%+5,372+9.2%Added
LPL Financial LLC64,754$1.66M0.00%−10,444−13.9%Reduced
1492 Capital Management LLC66,453$1.71M0.81%+13,324+25.1%Added
Franklin Resources Inc73,448$1.89M0.00%−1,945−2.6%Reduced
Lazard Asset Management LLC75,787$1.95M0.00%+28,698+60.9%Added
Clearline Capital LP77,275$1.99M0.26%−25,173−24.6%Reduced
Kingsview Wealth Management, LLC78,341$2.01M0.04%+78,341New
Bridgeway Capital Management, LLC82,600$2.12M0.05%−46,750−36.1%Reduced
State of New Jersey Common Pension Fund D82,742$2.13M0.01%+22,561+37.5%Added
Voya Investment Management LLC83,455$2.14M0.00%+68,788+469.0%Added
State of Wisconsin Investment Board89,514$2.30M0.01%−22,337−20.0%Reduced
Great West Life Assurance Co90,081$2.31M0.00%+484+0.5%Added
Illinois Municipal Retirement Fund90,633$2.33M0.03%00.0%Unchanged
Alberta Investment Management Corp94,100$2.42M0.02%00.0%Unchanged
Verition Fund Management LLC95,225$2.45M0.01%+62,251+188.8%Added
GHP Investment Advisors, Inc.95,786$2.46M0.11%+785+0.8%Added
CBOE Vest Financial, LLC98,000$2.52M0.04%+48,475+97.9%Added
Macquarie Group Ltd102,600$2.64M0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The103,410$2.66M0.00%−2,111−2.0%Reduced
KBC Group NV103,870$2.67M0.01%+1,855+1.8%Added
California State Teachers Retirement System103,893$2.67M0.00%−1,099−1.0%Reduced
Ambassador Advisors, LLC105,699$2.72M0.46%+5,985+6.0%Added
Edgestream Partners, L.P.109,811$2.82M0.12%+109,811New
Segall Bryant & Hamill, LLC113,490$2.92M0.04%−6,768−5.6%Reduced
Trexquant Investment LP121,878$3.13M0.04%+85,005+230.5%Added
Brandywine Global Investment Management, LLC127,792$3.28M0.02%−10,150−7.4%Reduced
Corebridge Financial, Inc.128,368$3.30M0.02%−5,655−4.2%Reduced
Citigroup Inc133,776$3.44M0.00%+17,153+14.7%Added
Ameriprise Financial Inc135,452$3.48M0.00%−106,206−43.9%Reduced
Retirement Systems of Alabama137,947$3.54M0.01%+268+0.2%Added
Price T Rowe Associates Inc140,104$3.60M0.00%−26,177−15.7%Reduced
Gotham Asset Management, LLC150,491$3.87M0.04%−23,093−13.3%Reduced
Prudential Financial Inc167,266$4.30M0.01%−29,502−15.0%Reduced
Russell Investments Group, Ltd.173,355$4.45M0.01%+35,397+25.7%Added
Legal & General Group Plc176,354$4.53M0.00%+3,689+2.1%Added
Man Group plc177,834$4.57M0.01%−238,800−57.3%Reduced
Massachusetts Financial Services Co183,072$4.70M0.00%+22,081+13.7%Added
Voloridge Investment Management, LLC184,120$4.73M0.02%+184,120New
Bank of America Corp189,155$4.86M0.00%−2,040−1.1%Reduced
Kennedy Capital Management, Inc.215,525$5.54M0.12%+42,394+24.5%Added
Robotti Robert215,837$5.54M0.97%+705+0.3%Added
Swiss National Bank218,100$5.60M0.00%+1,800+0.8%Added
Raymond James Financial Inc220,571$5.67M0.00%+220,571New
Cerity Partners LLC189,488$5.74M0.01%−134,660−41.5%Reduced
State of Alaska, Department of Revenue230,112$5.91M0.07%+29,780+14.9%Added
Citadel Advisors LLC237,152$6.09M0.01%+76,173+47.3%Added
Channing Capital Management, LLC247,648$6.36M0.17%−3,240−1.3%Reduced
Colony Group, LLC248,393$6.38M0.02%−54,361−18.0%Reduced
JPMorgan Chase & Co263,998$6.78M0.00%+15,865+6.4%Added
Harvest Fund Management Co., Ltd274,000$7.04M0.33%+80,000+41.2%Added
Nuveen Asset Management, LLC282,485$7.26M0.00%−6,982−2.4%Reduced
Hel Ved Capital Management Ltd284,545$7.31M2.24%−57,250−16.7%Reduced
M&G Plc295,929$7.69M0.05%+5,489+1.9%Added
Allianz Asset Management GmbH300,720$7.73M0.01%+137,954+84.8%Added
Goldman Sachs Group Inc302,606$7.77M0.00%+56,589+23.0%Added
Bandera Partners LLC304,853$7.83M2.98%00.0%Unchanged
UBS Asset Management Americas Inc307,036$7.89M0.00%+26,146+9.3%Added
Rhumbline Advisers309,143$7.94M0.01%−8,303−2.6%Reduced
Wells Fargo & Company310,126$7.97M0.00%+50,347+19.4%Added
Royal Bank of Canada322,033$8.27M0.00%+272,510+550.3%Added
Universal- Beteiligungs- und Servicegesellschaft mbH324,802$8.34M0.02%+324,802New
Mirae Asset Global Investments Co., Ltd.334,571$8.72M0.04%−3,641−1.1%Reduced
Renaissance Technologies LLC371,700$9.55M0.01%+371,700New
Baird Financial Group, Inc.387,582$9.96M0.02%+15,550+4.2%Added
Barclays PLC400,367$10.3M0.01%−5,033−1.2%Reduced
Royce & Associates LP426,548$11.0M0.10%+33,798+8.6%Added