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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, Q2 2023

Institutional positions in Amkor Technology, Inc. as of Jun 30, 2023. 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
300
+7 vs. Q1 2023
Shares held
96.3M
+1.82M (+1.9%) vs. Q1 2023
Total value
$2.86B
+$407.3M (+16.6%) vs. Q1 2023
New holders
46
88 more added
Sold out
39
114 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 holdersQ2 2023: 300 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 heldQ2 2023: $2.86B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q1 2023.

Institutions holding AMKR in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Millennium Management LLC8,995$267.6K0.00%−45,585−83.5%Reduced
M&T Bank Corp9,191$273.4K0.00%+151+1.7%Added
Atlas Brown,Inc.9,200$273.7K0.12%00.0%Unchanged
JustInvest LLC9,272$275.9K0.01%−105−1.1%Reduced
Mitsubishi UFJ Trust & Banking Corp9,353$278.3K0.00%−1,000−9.7%Reduced
Profund Advisors LLC9,355$278.3K0.01%+317+3.5%Added
Cornercap Investment Counsel Inc9,827$292.4K0.05%−21,195−68.3%Reduced
Merit Financial Group, LLC10,164$302.4K0.01%+10+0.1%Added
Atom Investors LP10,192$303.2K0.12%+10,192New
Bailard, Inc.10,200$303.4K0.01%+10,200New
Assetmark, Inc10,305$306.6K0.00%+325+3.3%Added
CWM Advisors, LLC10,528$313.2K0.04%+16+0.2%Added
MAI Capital Management11,212$333.6K0.00%−3,937−26.0%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital11,327$337.0K0.01%+11,327New
Integrated Investment Consultants, LLC11,559$343.9K0.11%00.0%Unchanged
AIA Group Ltd11,690$347.8K0.02%+11,690New
Pictet Asset Management SA11,698$348.0K0.00%00.0%Unchanged
Royal Bank of Canada11,849$352.0K0.00%−3,712−23.9%Reduced
Robeco Institutional Asset Management B.V.12,076$359.3K0.00%00.0%Unchanged
Prospera Financial Services Inc12,101$360.0K0.01%+2,294+23.4%Added
Navellier & Associates Inc12,296$365.8K0.07%+946+8.3%Added
Integrated Wealth Concepts LLC12,486$371.5K0.01%−72−0.6%Reduced
Leuthold Group, LLC12,809$381.1K0.05%00.0%Unchanged
Amplius Wealth Advisors, LLC13,054$388.4K0.05%+39+0.3%Added
Skandinaviska Enskilda Banken AB (publ)13,300$396.0K0.00%−45,900−77.5%Reduced
Engineers Gate Manager LP13,572$403.8K0.02%+13,572New
Jump Financial, LLC14,400$428.4K0.02%+6,693+86.8%Added
Captrust Financial Advisors14,571$433.5K0.00%−407−2.7%Reduced
Cipher Capital LP14,775$439.6K0.08%−8,282−35.9%Reduced
Toroso Investments, LLC14,826$441.0K0.01%+14,826New
Mercer Global Advisors Inc14,884$443.0K0.00%−2,780−15.7%Reduced
Carmignac Gestion15,000$446.3K0.01%+15,000New
DuPont Capital Management Corp15,111$449.6K0.02%−1,718−10.2%Reduced
Covestor Ltd15,620$464.0K0.35%+3,468+28.5%Added
Inspire Advisors, LLC15,629$465.0K0.09%+4,025+34.7%Added
Public Employees Retirement Association of Colorado15,793$470.0K0.00%00.0%Unchanged
Bank of Montreal15,678$470.3K0.00%−6,283−28.6%Reduced
Twin Tree Management, LP16,341$486.1K0.01%+11,924+270.0%Added
Atlas Capital Advisors LLC16,973$504.9K0.08%−2,047−10.8%Reduced
IFP Advisors, Inc54,908$511.8K0.03%−798−1.4%Reduced
Federated Hermes, Inc.17,234$512.7K0.00%+472+2.8%Added
Handelsbanken Fonder AB17,376$517.0K0.00%00.0%Unchanged
Winton Group Ltd17,409$517.9K0.04%+3,280+23.2%Added
Advisor Group Holdings, Inc.17,468$519.5K0.00%−7,545−30.2%Reduced
Ardsley Advisory Partners LP17,500$520.6K0.12%+17,500New
Teachers Retirement System of the State of Kentucky17,649$525.0K0.01%+1,653+10.3%Added
Pacer Advisors, Inc.18,000$535.5K0.00%+18,000New
Dynamic Advisor Solutions LLC18,465$549.3K0.03%+18,465New
Mariner, LLC18,594$553.2K0.00%−1,025−5.2%Reduced
Janney Montgomery Scott LLC19,968$594.0K0.00%+19,968New
Xponance, Inc.20,024$595.7K0.01%+4,164+26.3%Added
Eqis Capital Management, Inc.20,368$606.0K0.07%−5,215−20.4%Reduced
New Mexico Educational Retirement Board20,500$610.0K0.03%+2,300+12.6%Added
United Capital Financial Advisers, LLC20,683$615.3K0.00%+592+2.9%Added
Group One Trading, L.P.21,599$642.6K0.03%+13,615+170.5%Added
Miller Howard Investments Inc22,015$654.9K0.02%00.0%Unchanged
Northwestern Mutual Investment Management Company, LLC22,383$665.9K0.02%+100+0.4%Added
Vestcor Inc23,027$685.0K0.03%00.0%Unchanged
Kiwi Wealth Investments Limited Partnership23,481$699.0K0.04%00.0%Unchanged
Virginia Retirement Systems Et Al24,000$714.0K0.01%−2,000−7.7%Reduced
Old Well Partners, LLC24,000$714.0K0.64%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)24,658$733.6K0.00%+9,632+64.1%Added
Tower Research Capital LLC (TRC)24,722$735.5K0.02%+10,269+71.1%Added
State of Michigan Retirement System24,849$739.3K0.00%−500−2.0%Reduced
DGS Capital Management, LLC25,608$761.8K0.38%−256−1.0%Reduced
Baker Avenue Asset Management, LP26,022$774.2K0.04%+26,000+118,181.8%Added
ProShare Advisors LLC26,379$784.8K0.00%+2,052+8.4%Added
Hancock Whitney Corp27,275$811.0K0.03%−51−0.2%Reduced
Ensign Peak Advisors, Inc27,590$820.8K0.00%00.0%Unchanged
Stock Yards Bank & Trust Co27,602$821.2K0.03%00.0%Unchanged
Foster & Motley Inc27,850$829.0K0.06%−287−1.0%Reduced
Oregon Public Employees Retirement Fund29,139$866.9K0.01%−400−1.4%Reduced
Louisiana State Employees Retirement System29,400$874.6K0.02%+2,800+10.5%Added
Yorktown Management & Research Co Inc30,300$901.4K0.97%−4,500−12.9%Reduced
Arizona State Retirement System31,045$923.6K0.01%−897−2.8%Reduced
Ritholtz Wealth Management32,173$957.1K0.04%+9,686+43.1%Added
Ameritas Investment Partners, Inc.33,618$1.00M0.04%−341−1.0%Reduced
Quantbot Technologies LP36,207$1.08M0.07%−34,650−48.9%Reduced
Ergoteles LLC36,677$1.09M0.05%−5,283−12.6%Reduced
Jennison Associates LLC36,878$1.10M0.00%−11,373−23.6%Reduced
CI Private Wealth, LLC36,886$1.10M0.00%−36,578−49.8%Reduced
Gotham Asset Management, LLC37,412$1.11M0.02%+19,726+111.5%Added
Collaborative Holdings Management LP38,000$1.13M4.45%+38,000New
LPL Financial LLC38,154$1.14M0.00%+4,755+14.2%Added
Hanson & Doremus Investment Management39,695$1.18M0.25%+1,200+3.1%Added
Martingale Asset Management L P39,930$1.19M0.02%−8,500−17.6%Reduced
Susquehanna International Group, LLP39,961$1.19M0.00%−68,072−63.0%Reduced
STRS Ohio40,100$1.19M0.01%00.0%Unchanged
Teacher Retirement System of Texas40,180$1.20M0.01%−11,320−22.0%Reduced
Victory Capital Management Inc40,547$1.21M0.00%+2,804+7.4%Added
Voya Investment Management LLC40,688$1.21M0.00%+1,885+4.9%Added
Oppenheimer Asset Management Inc.41,681$1.24M0.02%+20.0%Added
Walleye Trading LLC41,829$1.24M0.06%+41,829New
Russell Investments Group, Ltd.41,945$1.25M0.00%−3,064−6.8%Reduced
Federation des caisses Desjardins du Quebec42,324$1.26M0.01%+42,324New
Truist Financial Corp42,364$1.26M0.00%−11,533−21.4%Reduced
SummerHaven Investment Management, LLC42,495$1.26M0.80%−5,301−11.1%Reduced
BNP Paribas Arbitrage, SA43,723$1.30M0.00%−29,998−40.7%Reduced
Mirae Asset Global Investments Co., Ltd.44,188$1.31M0.00%−2,130−4.6%Reduced
State of Tennessee, Treasury Department46,936$1.40M0.01%00.0%Unchanged