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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, Q3 2024

Institutional positions in Amkor Technology, Inc. as of Sep 30, 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
359
−34 vs. Q2 2024
Shares held
106.7M
+13.3M (+14.2%) vs. Q2 2024
Total value
$3.27B
−$473.4M (−12.7%) vs. Q2 2024
New holders
57
136 more added
Sold out
91
120 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 359 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 heldQ3 2024: $3.27B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q2 2024.

Institutions holding AMKR in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Toroso Investments, LLC25,022$765.7K0.01%−9,126−26.7%Reduced
Northwestern Mutual Investment Management Company, LLC25,145$769.4K0.02%+2,069+9.0%Added
Advisor Group Holdings, Inc.26,566$812.8K0.00%+8,679+48.5%Added
Thrivent Financial for Lutherans26,627$815.0K0.00%−69,292−72.2%Reduced
State of Michigan Retirement System26,949$824.6K0.00%+2,000+8.0%Added
Oak Thistle LLC27,975$856.0K0.28%+27,975New
Creative Planning28,882$875.5K0.00%−206−0.7%Reduced
Martingale Asset Management L P29,573$904.9K0.02%−13,213−30.9%Reduced
Ensign Peak Advisors, Inc29,930$915.9K0.00%00.0%Unchanged
South Dakota Investment Council29,990$918.0K0.02%+29,990New
Neo Ivy Capital Management30,368$930.0K0.30%+30,368New
Mariner, LLC30,546$935.1K0.00%+10,219+50.3%Added
Foster & Motley Inc30,921$946.0K0.06%−662−2.1%Reduced
Louisiana State Employees Retirement System31,400$960.8K0.02%+2,200+7.5%Added
Arizona State Retirement System31,898$976.1K0.01%+888+2.9%Added
Vestcor Inc32,125$983.0K0.03%00.0%Unchanged
Two Sigma Advisers, LP32,400$991.4K0.00%−32,100−49.8%Reduced
Janney Montgomery Scott LLC32,469$994.0K0.00%−9,820−23.2%Reduced
Verition Fund Management LLC32,974$1.01M0.01%−30,863−48.3%Reduced
Winton Group Ltd33,224$1.02M0.07%+3,516+11.8%Added
PEAK6 Investments LLC33,301$1.02M0.05%+33,301New
Teachers Retirement System of the State of Kentucky34,304$1.05M0.01%00.0%Unchanged
Hanson & Doremus Investment Management34,390$1.05M0.17%−1,063−3.0%Reduced
M&T Bank Corp36,184$1.11M0.00%+26,051+257.1%Added
State Board of Administration of Florida Retirement System36,521$1.12M0.00%−58,830−61.7%Reduced
XTX Topco Ltd36,614$1.12M0.08%−762−2.0%Reduced
Holocene Advisors, LP36,791$1.13M0.00%+36,791New
Trexquant Investment LP36,873$1.13M0.01%+36,873New
Comerica Bank37,597$1.15M0.00%+422+1.1%Added
Oppenheimer Asset Management Inc.38,052$1.16M0.01%−729−1.9%Reduced
Algert Global LLC38,306$1.17M0.03%−24,860−39.4%Reduced
New York State Teachers Retirement System38,936$1.19M0.00%−6,342−14.0%Reduced
Teacher Retirement System of Texas39,603$1.21M0.01%−1,580−3.8%Reduced
Yousif Capital Management, LLC41,059$1.26M0.01%−2,253−5.2%Reduced
Riverwater Partners LLC42,946$1.28M0.63%+12,063+39.1%Added
Covea Finance42,500$1.30M0.06%+10,500+32.8%Added
Federation des caisses Desjardins du Quebec42,817$1.31M0.01%+4,488+11.7%Added
STRS Ohio44,006$1.35M0.01%+14,504+49.2%Added
State of Tennessee, Treasury Department44,310$1.36M0.00%00.0%Unchanged
New York State Common Retirement Fund44,793$1.37M0.00%−33,400−42.7%Reduced
Lazard Asset Management LLC47,089$1.44M0.00%+28,558+154.1%Added
Summit Global Investments47,353$1.45M0.09%+10,275+27.7%Added
Susquehanna Portfolio Strategies, LLC49,181$1.50M0.10%00.0%Unchanged
Treasurer of the State of North Carolina49,260$1.51M0.01%+200+0.4%Added
Royal Bank of Canada49,523$1.51M0.00%−2,808−5.4%Reduced
CBOE Vest Financial, LLC49,525$1.52M0.03%+19,852+66.9%Added
Danske Bank A/S49,921$1.53M0.01%+14,137+39.5%Added
Nissay Asset Management Corp51,054$1.56M0.01%+1,098+2.2%Added
Dynamic Technology Lab Private Ltd51,164$1.57M0.17%+51,164New
Amalgamated Bank52,802$1.62M0.01%−13,665−20.6%Reduced
1492 Capital Management LLC53,129$1.63M0.81%+20,249+61.6%Added
Janus Henderson Group PLC55,123$1.69M0.00%00.0%Unchanged
MetLife Investment Management58,567$1.79M0.01%+3,956+7.2%Added
State of New Jersey Common Pension Fund D60,181$1.84M0.01%+3,008+5.3%Added
Mutual of America Capital Management LLC61,253$1.87M0.02%+2,055+3.5%Added
Pathstone Holdings, LLC61,931$1.90M0.01%−1,512−2.4%Reduced
Twin Tree Management, LP62,554$1.91M0.04%+62,554New
CI Private Wealth, LLC65,092$1.99M0.00%−1,381−2.1%Reduced
O'Shaughnessy Asset Management, LLC69,531$2.20M0.02%+11,286+19.4%Added
LPL Financial LLC75,198$2.30M0.00%−21,846−22.5%Reduced
Franklin Resources Inc75,393$2.38M0.00%−45,639−37.7%Reduced
MBB Public Markets I LLC89,456$2.74M0.23%+89,456New
Great West Life Assurance Co89,597$2.74M0.00%+10,979+14.0%Added
Illinois Municipal Retirement Fund90,633$2.77M0.04%+17,620+24.1%Added
Alberta Investment Management Corp94,100$2.88M0.02%−18,500−16.4%Reduced
GHP Investment Advisors, Inc.95,001$2.91M0.13%+5,015+5.6%Added
UBS Group AG95,073$2.91M0.00%+38,257+67.3%Added
Ambassador Advisors, LLC99,714$3.05M0.53%−1,789−1.8%Reduced
General American Investors Co Inc100,000$3.06M0.21%+100,000New
KBC Group NV102,015$3.12M0.01%+1,225+1.2%Added
Clearline Capital LP102,448$3.13M0.28%+102,448New
Macquarie Group Ltd102,600$3.14M0.00%−6,012−5.5%Reduced
California State Teachers Retirement System104,992$3.21M0.00%−3,297−3.0%Reduced
Manufacturers Life Insurance Company, The105,521$3.23M0.00%+5,307+5.3%Added
Amundi110,287$3.33M0.00%+108,609+6,472.5%Added
State of Wisconsin Investment Board111,851$3.42M0.01%−45,253−28.8%Reduced
Citigroup Inc116,623$3.57M0.00%−24,878−17.6%Reduced
BNP Paribas Arbitrage, SA118,579$3.63M0.00%+99,143+510.1%Added
Segall Bryant & Hamill, LLC120,258$3.68M0.05%−42,595−26.2%Reduced
Bridgeway Capital Management, LLC129,350$3.96M0.09%−64,200−33.2%Reduced
Corebridge Financial, Inc.134,023$4.10M0.02%+3,174+2.4%Added
Retirement Systems of Alabama137,679$4.21M0.02%+10,069+7.9%Added
Russell Investments Group, Ltd.137,958$4.22M0.01%−56,459−29.0%Reduced
Brandywine Global Investment Management, LLC137,942$4.36M0.03%+5,736+4.3%Added
HSBC Holdings PLC147,367$4.52M0.00%+80,347+119.9%Added
Citadel Advisors LLC160,979$4.93M0.01%−7,720−4.6%Reduced
Massachusetts Financial Services Co160,991$4.93M0.00%+8,598+5.6%Added
Allianz Asset Management GmbH162,766$4.98M0.01%+37,778+30.2%Added
Price T Rowe Associates Inc166,281$5.09M0.00%+57,048+52.2%Added
Raymond James & Associates168,236$5.15M0.00%+168,236New
Legal & General Group Plc172,665$5.28M0.00%+11,395+7.1%Added
Kennedy Capital Management, Inc.173,131$5.30M0.12%−10,926−5.9%Reduced
Gotham Asset Management, LLC173,584$5.31M0.06%+133,399+332.0%Added
Bank of America Corp191,195$5.85M0.00%−59,643−23.8%Reduced
Harvest Fund Management Co., Ltd194,000$5.94M0.35%+120,208+162.9%Added
Prudential Financial Inc196,768$6.02M0.01%−266,453−57.5%Reduced
State of Alaska, Department of Revenue200,332$6.13M0.07%+1,745+0.9%Added
Fisher Asset Management, LLC210,379$6.44M0.00%+28,137+15.4%Added
Jane Street Group, LLC211,080$6.46M0.01%−303,167−59.0%Reduced
Victory Capital Management Inc212,809$6.51M0.01%+86,148+68.0%Added