Skip to main content

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, Q1 2021

Institutional positions in Amkor Technology, Inc. as of Mar 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
255
No complete 13F data for Q4 2020
Shares held
96.0M
No complete 13F data for Q4 2020
Total value
$2.28B
No complete 13F data for Q4 2020

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 holdersQ1 2021: 255 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 heldQ1 2021: $2.28B
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, Q1 2021

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding AMKR in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Northwestern Mutual Investment Management Company, LLC17,860$423.0K0.01%––
Ritholtz Wealth Management17,852$423.0K0.04%––
Acadian Asset Management LLC18,634$442.0K0.00%––
Public Employees Retirement Association of Colorado18,803$446.0K0.00%––
Teachers Retirement System of the State of Kentucky19,000$450.0K0.00%––
Intersect Capital LLC19,360$459.0K0.09%––
One Wealth Advisors, LLC19,513$463.0K0.18%––
Occudo Quantitative Strategies LP20,029$475.0K0.10%––
Quadrature Capital Ltd20,171$478.0K0.02%––
PEAK6 Investments LLC21,741$515.0K0.01%––
Gsa Capital Partners LLP22,225$527.0K0.09%––
Bailard, Inc.22,690$538.0K0.02%––
Tower Research Capital LLC (TRC)23,042$547.0K0.01%––
Convergence Investment Partners, LLC23,115$548.0K0.25%––
LPL Financial LLC24,884$590.0K0.00%––
Yorktown Management & Research Co Inc25,000$593.0K0.49%––
United Capital Financial Advisers, LLC25,276$599.0K0.00%––
Aigen Investment Management, LP25,608$607.0K0.08%––
Private Advisory Group LLC27,627$655.0K0.19%––
Louisiana State Employees Retirement System27,800$659.0K0.02%––
Natixis Advisors, L.P.28,048$665.0K0.00%––
Thrivent Financial for Lutherans28,465$675.0K0.00%––
Ensign Peak Advisors, Inc30,200$716.0K0.00%––
Arizona State Retirement System31,759$753.0K0.01%––
SummerHaven Investment Management, LLC33,699$799.0K0.49%––
ProShare Advisors LLC34,936$828.0K0.00%––
K.J. Harrison & Partners Inc35,000$830.0K0.13%––
Oregon Public Employees Retirement Fund35,395$839.0K0.01%––
Commonwealth of Pennsylvania Public School Empls Retrmt Sys35,720$847.0K0.01%––
HighPoint Advisor Group LLC34,117$855.0K0.10%––
Bridgeway Capital Management, LLC36,100$856.0K0.02%––
Globeflex Capital L P36,429$864.0K0.16%––
HSBC Holdings PLC36,929$873.0K0.00%––
Ameritas Investment Partners, Inc.37,620$892.0K0.03%––
State of Michigan Retirement System39,700$941.0K0.01%––
Vestcor Inc40,310$956.0K0.04%––
Mackenzie Financial Corp40,879$969.0K0.00%––
New York State Teachers Retirement System41,957$995.0K0.00%––
Great West Life Assurance Co43,289$1.02M0.00%––
State of Alaska, Department of Revenue44,611$1.06M0.01%––
Metropolitan Life Insurance Co44,859$1.06M0.02%––
Man Group plc46,779$1.11M0.00%––
Grantham, Mayo, Van Otterloo & Co. LLC47,000$1.11M0.01%––
Envestnet Asset Management Inc47,503$1.13M0.00%––
Truist Financial Corp50,060$1.19M0.00%––
Hanson & Doremus Investment Management51,847$1.23M0.28%––
Assenagon Asset Management S.A.53,057$1.26M0.01%––
Jane Street Group, LLC53,477$1.27M0.00%––
Driehaus Capital Management LLC54,721$1.30M0.02%––
STRS Ohio54,800$1.30M0.00%––
Squarepoint Ops LLC54,840$1.30M0.01%––
Regentatlantic Capital LLC54,858$1.30M0.04%––
Jackson Creek Investment Advisors LLC56,599$1.34M0.47%––
Gotham Asset Management, LLC57,836$1.37M0.06%––
Axiom Investment Management LLC58,013$1.38M1.12%––
QS Investors, LLC58,817$1.40M0.02%––
Comerica Bank60,288$1.44M0.01%––
Independent Advisor Alliance62,550$1.48M0.09%––
SG Americas Securities, LLC64,484$1.53M0.01%––
Royal Bank of Canada66,007$1.56M0.00%––
Price T Rowe Associates Inc66,748$1.58M0.00%––
Glenmede Trust Co NA68,311$1.62M0.01%––
Horizon Investment Services, LLC70,871$1.68M0.90%––
BNP Paribas Arbitrage, SA74,264$1.76M0.00%––
Shell Asset Management Co78,242$1.85M0.04%––
UBS Group AG79,216$1.88M0.00%––
Texas Permanent School Fund79,992$1.90M0.02%––
Raymond James & Associates84,861$2.01M0.00%––
Martingale Asset Management L P85,036$2.02M0.02%––
Ziegler Capital Management, LLC86,886$2.06M0.06%––
Jennison Associates LLC87,048$2.06M0.00%––
New York State Common Retirement Fund89,143$2.11M0.00%––
MetLife Investment Management93,177$2.21M0.02%––
APG Asset Management N.V.112,564$2.27M0.00%––
Mutual of America Capital Management LLC96,198$2.28M0.02%––
Credit Suisse AG98,102$2.33M0.00%––
State Board of Administration of Florida Retirement System98,145$2.33M0.00%––
Voya Investment Management LLC99,730$2.37M0.00%––
Commonwealth Equity Services, LLC99,926$2.37M0.01%––
Citadel Advisors LLC100,618$2.39M0.00%––
Macquarie Group Ltd104,255$2.47M0.00%––
Virginia Retirement Systems Et Al114,100$2.71M0.03%––
Vident Investment Advisory, LLC114,477$2.71M0.09%––
Cubist Systematic Strategies, LLC117,753$2.79M0.04%––
Mackay Shields LLC123,301$2.92M0.02%––
Susquehanna International Group, LLP124,745$2.96M0.00%––
State of New Jersey Common Pension Fund D127,758$3.03M0.01%––
Retirement Systems of Alabama139,751$3.31M0.01%––
O'Shaughnessy Asset Management, LLC140,311$3.33M0.07%––
UBS Asset Management Americas Inc140,527$3.33M0.00%––
Alberta Investment Management Corp143,636$3.41M0.03%––
Citigroup Inc144,687$3.43M0.00%––
Deutsche Bank AG145,493$3.45M0.00%––
D. E. Shaw & Co., Inc.145,816$3.46M0.00%––
Schroder Investment Management Group146,169$3.46M0.00%––
American Century Companies Inc150,498$3.57M0.00%––
California State Teachers Retirement System150,572$3.57M0.00%––
DuPont Capital Management Corp166,190$3.94M0.09%––
Federated Hermes, Inc.170,018$4.03M0.01%––
State of Tennessee, Treasury Department170,000$4.03M0.02%––