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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 2021

Institutional positions in Amkor Technology, Inc. as of Dec 31, 2021. 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
273
+6 vs. Q3 2021
Shares held
94.3M
+217.3K (+0.2%) vs. Q3 2021
Total value
$2.33B
−$15.0M (−0.6%) vs. Q3 2021
New holders
47
98 more added
Sold out
41
87 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 273 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 2021: $2.33B
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 2021

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q3 2021.

Institutions holding AMKR in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Yousif Capital Management, LLC51,890$1.29M0.01%+51,890New
Price T Rowe Associates Inc48,238$1.20M0.00%−1,563−3.1%Reduced
Los Angeles Capital Management LLC47,963$1.19M0.00%−1,752−3.5%Reduced
Glenmede Trust Co NA47,171$1.17M0.01%00.0%Unchanged
Hanson & Doremus Investment Management46,661$1.16M0.25%−127−0.3%Reduced
Martingale Asset Management L P46,019$1.14M0.01%−21,007−31.3%Reduced
Mackenzie Financial Corp45,708$1.13M0.00%−2,842−5.9%Reduced
Allspring Global Investments Holdings, LLC45,174$1.12M0.00%+45,174New
Brandywine Global Investment Management, LLC43,684$1.08M0.01%+43,684New
State of Tennessee, Treasury Department42,861$1.06M0.00%00.0%Unchanged
DuPont Capital Management Corp42,159$1.04M0.04%−54,656−56.5%Reduced
Metropolitan Life Insurance Co42,092$1.04M0.01%−1,092−2.5%Reduced
Zebra Capital Management LLC42,011$1.04M1.67%−15,488−26.9%Reduced
Cubist Systematic Strategies, LLC41,370$1.03M0.01%−105,923−71.9%Reduced
Susquehanna International Group, LLP41,394$1.03M0.00%+13,960+50.9%Added
Shell Asset Management Co40,898$1.01M0.02%+187+0.5%Added
Empirical Finance, LLC39,715$985.0K0.12%−24,136−37.8%Reduced
Comerica Bank45,660$974.0K0.01%−955−2.0%Reduced
Voya Investment Management LLC38,793$962.0K0.00%−56,011−59.1%Reduced
Trexquant Investment LP37,383$927.0K0.06%+37,383New
SummerHaven Investment Management, LLC37,015$918.0K0.50%00.0%Unchanged
Jennison Associates LLC35,762$887.0K0.00%+35,762New
Truist Financial Corp34,833$863.0K0.00%−800−2.2%Reduced
Ameritas Investment Partners, Inc.34,657$859.0K0.03%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys33,239$824.0K0.01%+142+0.4%Added
Oregon Public Employees Retirement Fund32,568$807.0K0.01%−3,255−9.1%Reduced
Balyasny Asset Management LLC31,980$793.0K0.00%+9,116+39.9%Added
Quantbot Technologies LP31,975$792.0K0.06%+31,975New
Yorktown Management & Research Co Inc31,300$776.0K0.52%+2,500+8.7%Added
Arizona State Retirement System29,594$734.0K0.01%−337−1.1%Reduced
Ensign Peak Advisors, Inc29,490$731.0K0.00%−34,010−53.6%Reduced
Regentatlantic Capital LLC28,000$694.0K0.02%00.0%Unchanged
Ritholtz Wealth Management27,169$674.0K0.04%−79−0.3%Reduced
Jane Street Group, LLC26,973$669.0K0.00%−22,829−45.8%Reduced
Thrivent Financial for Lutherans26,435$655.0K0.00%+249+1.0%Added
Louisiana State Employees Retirement System25,800$640.0K0.01%+200+0.8%Added
State of Michigan Retirement System25,400$630.0K0.00%+300+1.2%Added
United Capital Financial Advisers, LLC25,266$626.0K0.00%+50.0%Added
LPL Financial LLC25,162$624.0K0.00%+4,747+23.3%Added
APG Asset Management N.V.28,200$615.0K0.00%−62,564−68.9%Reduced
Intersect Capital LLC24,819$615.0K0.11%−4,034−14.0%Reduced
Ergoteles LLC24,288$602.0K0.02%+24,288New
Bailard, Inc.23,290$577.0K0.02%00.0%Unchanged
New Mexico Educational Retirement Board22,200$550.0K0.02%00.0%Unchanged
AlphaCrest Capital Management LLC21,490$533.0K0.02%+6,692+45.2%Added
Winton Group Ltd21,361$530.0K0.03%+21,361New
Convergence Investment Partners, LLC21,269$527.0K0.27%+4,980+30.6%Added
Teacher Retirement System of Texas20,911$518.0K0.00%+3,265+18.5%Added
Axiom Investment Management LLC20,109$499.0K0.48%+43+0.2%Added
Chilton Capital Management LLC20,073$498.0K0.03%+20,073New
Federated Hermes, Inc.19,922$493.0K0.00%−3,542−15.1%Reduced
Baird Financial Group, Inc.19,647$487.0K0.00%+10,780+121.6%Added
Teachers Retirement System of the State of Kentucky19,000$471.0K0.00%00.0%Unchanged
Diversified Trust Co18,627$462.0K0.02%+918+5.2%Added
Goelzer Investment Management, Inc.18,565$460.0K0.04%00.0%Unchanged
Public Employees Retirement Association of Colorado18,498$459.0K0.00%−305−1.6%Reduced
Schonfeld Strategic Advisors LLC18,234$452.0K0.00%+18,234New
HSBC Holdings PLC17,895$444.0K0.00%+3,575+25.0%Added
IndexIQ Advisors LLC17,811$442.0K0.01%−1,151−6.1%Reduced
Mitsubishi UFJ Trust & Banking Corp17,801$441.0K0.00%−2,172−10.9%Reduced
Handelsbanken Fonder AB17,376$431.0K0.00%00.0%Unchanged
Northwestern Mutual Investment Management Company, LLC16,619$412.0K0.01%+70+0.4%Added
Bank of Montreal16,712$411.0K0.00%−1,091,718−98.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)15,475$384.0K0.00%+4,378+39.5%Added
Old Mission Capital LLC15,499$384.0K0.02%+15,499New
Xponance, Inc.15,027$373.0K0.01%−739−4.7%Reduced
Horizon Investment Services, LLC14,656$363.0K0.17%−66,264−81.9%Reduced
Abacus Planning Group, Inc.14,536$360.0K0.10%+14,536New
State of Wisconsin Investment Board14,300$354.0K0.00%+3,100+27.7%Added
Algert Global LLC13,996$347.0K0.04%+4,430+46.3%Added
Leuthold Group, LLC13,930$345.0K0.04%−158−1.1%Reduced
Profund Advisors LLC13,304$330.0K0.01%+1,112+9.1%Added
Amplius Wealth Advisors, LLC13,000$322.0K0.04%+13,000New
Alps Advisors Inc12,879$319.0K0.00%+258+2.0%Added
Grantham, Mayo, Van Otterloo & Co. LLC12,806$317.0K0.00%−46,094−78.3%Reduced
Gofen & Glossberg LLC12,500$310.0K0.01%00.0%Unchanged
NinePointTwo Capital12,489$309.0K0.10%+12,489New
Versor Investments LP12,425$308.0K0.01%−1,675−11.9%Reduced
Watershed Asset Management, L.L.C.12,164$302.0K0.27%+12,164New
Stanley-Laman Group, Ltd.12,132$301.0K0.04%+12,132New
Pacer Advisors, Inc.12,113$300.0K0.00%+319+2.7%Added
DGS Capital Management, LLC11,861$294.0K0.18%+11,861New
Mercer Global Advisors Inc11,724$291.0K0.00%+11,724New
Boulder Hill Capital Management LP11,600$288.0K0.28%+11,600New
Independent Financial Group, LLC11,430$283.4K0.02%+11,430New
Point72 Hong Kong Ltd11,042$274.0K0.02%+3,894+54.5%Added
One Wealth Advisors, LLC10,909$270.0K0.07%−150−1.4%Reduced
Gotham Asset Management, LLC10,596$263.0K0.01%−2,737−20.5%Reduced
CIBC Asset Management Inc10,338$256.0K0.00%+367+3.7%Added
Merit Financial Group, LLC10,324$256.0K0.03%+609+6.3%Added
Zacks Investment Management10,195$253.0K0.00%−22,204−68.5%Reduced
CWM Advisors, LLC10,011$248.0K0.03%+1,365+15.8%Added
Factorial Partners, LLC10,000$248.0K0.16%+10,000New
Amundi10,090$242.0K0.00%00.0%Unchanged
First Command Bank9,513$237.0K0.04%00.0%Unchanged
Eqis Capital Management, Inc.9,534$236.0K0.02%−1,756−15.6%Reduced
First Command Financial Services, Inc.9,513$236.0K0.03%00.0%Unchanged
M&T Bank Corp9,040$224.0K0.00%00.0%Unchanged
Securian Asset Management, Inc8,884$220.0K0.00%−100−1.1%Reduced
Robeco Institutional Asset Management B.V.8,750$217.0K0.00%00.0%Unchanged