StockData
AMKRNasdaqSemiconductors & Related DevicesFiscal year ends December 31

AMKOR TECHNOLOGY, INC.

Financials through Q1 FY2026, quarter ended Mar 31, 2026Last filing: 10-Q on Jul 28, 2026
$41.89+0.07 (+0.17%)

Close on Oct 19, 2026

Market cap
$10.45B
P/E (TTM)
23.9
Dividend yield
0.79%

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
46.8%
116M of 248M shares
Institutional holders
645
170 new, 50 sold out
Net institutional buying
-5M
In Q2 2026
Insider trades, 12 months
0 buys · 40 sales
Net sold $991.85M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
John T. Kim75,339,10330.40%13D (active) amendmentMay 1, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of AMKRValueChange% of portfolio
BlackRock, Inc.12,292,7604.95%$1.06B−676,0050.02%
Vanguard Portfolio Management LLC9,712,5533.91%$837.51M+616,7050.04%
Dimensional Fund Advisors LP8,064,1913.25%$695.29M−2,927,2780.13%
Vanguard Capital Management LLC6,701,0802.70%$577.83M+1,266,7620.01%
JPMorgan Chase & Co5,702,6082.30%$470.03M+296,0630.03%
State Street Corp3,730,5841.50%$321.69M+102,0420.01%
Aqr Capital Management LLC3,231,5461.30%$273.84M−10,5840.10%
Earnest Partners LLC2,852,4921.15%$245.97M−579,3510.89%
Geode Capital Management, LLC2,798,1491.13%$241.33M+67,6410.01%
Invesco Ltd.2,485,7941.00%$214.35M+596,3890.02%
Point72 Asset Management, L.P.2,477,3261.00%$213.62M−516,1080.24%
Principal Financial Group Inc1,970,2000.79%$169.85M−652,5440.08%
First Trust Advisors LP1,836,3060.74%$158.34M+42,7690.09%
Charles Schwab Investment Management Inc1,832,5350.74%$158.02M−269,0030.02%
Fisher Asset Management, LLC1,821,5470.73%$157.07M−189,4350.05%
Clal Insurance Enterprises Holdings Ltd1,764,0000.71%$152.11KNew0.68%
Price T Rowe Associates Inc /Md/1,659,4780.67%$143.10K+913,0540.01%
Morgan Stanley1,525,6850.61%$131.56M+152,8770.01%
Norges Bank1,477,2330.59%$127.38MNew0.01%
Qube Research & Technologies Ltd1,161,4780.47%$100.15M+799,3410.09%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026645116M46.8%170 / 217195 / 5021M26M
Q1 2026533121M48.9%141 / 190141 / 5743M20M
Q4 2025455114M45.9%123 / 121157 / 4321M14M
Q3 2025383108M43.5%77 / 125121 / 4010M15M
Q2 2025348113M45.5%55 / 139119 / 5017M13M
Q1 2025347109M43.8%67 / 14196 / 5018M18M
Q4 2024333110M44.1%41 / 129116 / 6211M8M
Q3 2024359107M43.0%57 / 136121 / 9128M16M
Q2 2024395107M43.2%90 / 136117 / 2913M15M
Q1 2024337109M43.8%50 / 116118 / 279M7M
Q4 2023317107M43.0%59 / 116105 / 4211M8M
Q3 2023304104M41.7%57 / 11590 / 4713M6M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of AMKRValue% of fundAs of
Vanguard Total Stock Market Index Fund5,114,8802.06%$441.06M0.02%Jun 30, 2026
iShares Core S&P Mid-Cap ETF3,902,0961.57%$336.48M0.27%Jun 30, 2026
Vanguard Small-Cap Index Fund3,694,0761.49%$318.54M0.17%Jun 30, 2026
Vanguard Small-Cap Value Index Fund2,340,6690.94%$201.84M0.30%Jun 30, 2026
Vanguard Information Technology Index Fund2,130,8990.86%$148.23M0.09%May 31, 2026
U.S. Targeted Value Portfolio1,495,7870.60%$74.59M0.44%Jul 31, 2026
Vanguard Extended Market Index Fund1,306,9980.53%$112.70M0.12%Jun 30, 2026
Dimensional U.S. Targeted Value ETF1,233,4020.50%$61.51M0.43%Jul 31, 2026
First Trust Nasdaq Semiconductor ETF1,069,5700.43%$92.23M3.35%Jun 30, 2026
Invesco Semiconductors ETF1,035,4170.42%$51.64M2.17%Jul 31, 2026
Harbor Small Cap Value Fund922,9910.37%$46.03M1.83%Jul 31, 2026
Invesco S&P MidCap Momentum ETF842,0120.34%$41.99M0.59%Jul 31, 2026
JPMorgan U.S. Tech Leaders ETF716,0800.29%$61.75M1.33%Jun 30, 2026
Small-MidCap Dividend Income Fund696,8560.28%$48.47M3.15%May 31, 2026
Dimensional US Small Cap Value ETF690,3030.28%$34.43M0.42%Jul 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Kevin K. EngelPresident and CEO, Director9,6660.00%Jul 31, 2026
Megan FaustCFO134,1050.05%Sep 10, 2026
Mark N. RogersEVP & General Counsel38,9040.02%Aug 19, 2026
Cherie BuntynChief Accounting Officer0–Mar 16, 2026
Farshad HaghighiExecutive Vice President8,3540.00%Feb 26, 2026
Robert Randolph MorseDirector134,9770.05%Sep 24, 2026
Guillaume Marie Jean RuttenDirector461,7320.19%Sep 24, 2026
Daniel JL LiaoDirector40,8040.02%Sep 24, 2026
Susan Y. KimDirector, 10% owner42,144,87916.96%Sep 24, 2026
Douglas A. AlexanderDirector34,1090.01%Sep 24, 2026
Winston J. ChurchillDirector28,6810.01%Sep 24, 2026
Roger Anthony CarolinDirector94,4090.04%Sep 24, 2026
MaryFrances McCourtDirector65,8110.03%Sep 24, 2026
Gil C. TilyDirector118,6990.05%Sep 24, 2026
David N. WatsonDirector130,6500.05%Sep 24, 2026
John D. LiuDirector2,9830.00%Sep 25, 2025
Agnes C. Kim–11,187,3554.50%Jul 22, 2026
James J. Kim10% owner11,187,3554.50%Jul 22, 2026
John T. Kim10% owner86,274,61934.72%Feb 17, 2026
915 Investments, LP–115,508,47546.49%Feb 17, 2026
Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023 2023–0–Dec 30, 2025
Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024 2024–1,124,0000.45%Nov 24, 2025
Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024 2024–1,235,0000.50%Nov 24, 2025
Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024 2024–895,0000.36%Nov 24, 2025
T. Kim 2024 GRAT #2 dtd. 08/09/2024 John–59,2500.02%Nov 6, 2025
T. Kim 2024 GRAT #1 dtd. 08/09/2024 John–1,194,0000.48%Nov 6, 2025
Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023 2023–0–Aug 5, 2025
SUJODA Investments, LP–3,789,4791.53%Aug 5, 2025
Sujoda Management, LLC–3,789,4791.53%Aug 5, 2025
David D. Kim–6,496,7382.61%Aug 5, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Megan Faust
CFO
Sep 8, 2026Sale(10b5-1 plan)−1,000$49.05$49.05K134,105
Mark N. Rogers
EVP & General Counsel
Aug 17, 2026Sale(10b5-1 plan)−5,000$59.78$298.90K38,904
Mark N. Rogers
EVP & General Counsel
Aug 17, 2026Option exercise+5,000$7.40$37.00K43,904
Megan Faust
CFO
Aug 11, 2026Sale(10b5-1 plan)−1,000$54.45$54.45K135,105
Douglas A. Alexander
Director
Aug 7, 2026Option exercise+5,000$8.51$42.55K34,109
Douglas A. Alexander
Director
Aug 7, 2026Sale(10b5-1 plan)−5,000$55.81$279.05K29,109
Guillaume Marie Jean Rutten
Director
Aug 6, 2026Sale−25,000$54.50$1.36M461,732
Guillaume Marie Jean Rutten
Director
Aug 5, 2026Sale−25,000$55.35$1.38M486,732
Kevin K. Engel
President and CEO, Director
Jul 30, 2026Sale−3,221$47.00$151.39K9,666
Winston J. Churchill
Director
Jul 30, 2026Gift−100––28,681
Agnes C. Kim
–
Jul 20, 2026Option exercise+250,000$9.48$2.37M11,187,355
Agnes C. Kim
–
Jul 20, 2026Option exercise+200,000$9.86$1.97M10,937,355
James J. Kim
10% owner
Jul 20, 2026Option exercise+250,000$9.48$2.37M511,645
James J. Kim
10% owner
Jul 20, 2026Option exercise+200,000$9.86$1.97M261,645
Mark N. Rogers
EVP & General Counsel
Jul 16, 2026Sale(10b5-1 plan)−5,000$65.12$325.60K38,904
Mark N. Rogers
EVP & General Counsel
Jul 16, 2026Option exercise+5,000$7.40$37.00K43,904
Megan Faust
CFO
Jul 14, 2026Sale(10b5-1 plan)−1,000$69.91$69.91K136,105
Guillaume Marie Jean Rutten
Director
Jun 30, 2026Option exercise+8,692––511,732
Kevin K. Engel
President and CEO, Director
Jun 30, 2026Tax withholding−3,725$86.23$321.21K12,887
Kevin K. Engel
President and CEO, Director
Jun 30, 2026Option exercise+8,692––16,612
Megan Faust
CFO
Jun 30, 2026Tax withholding−3,725$86.23$321.21K137,105
Megan Faust
CFO
Jun 30, 2026Option exercise+8,692––140,830
Mark N. Rogers
EVP & General Counsel
Jun 16, 2026Option exercise+5,000$7.40$37.00K43,904
Mark N. Rogers
EVP & General Counsel
Jun 16, 2026Sale(10b5-1 plan)−5,000$86.21$431.05K38,904
Winston J. Churchill
Director
Jun 12, 2026Sale−5,000$78.20$391.00K28,781
Winston J. Churchill
Director
Jun 12, 2026Option exercise+5,000$19.39$96.95K33,781
Susan Y. Kim
Director, 10% owner
Jun 12, 2026Award+9,893––6,120,387
Megan Faust
CFO
Jun 9, 2026Sale(10b5-1 plan)−1,000$70.30$70.30K132,138
Megan Faust
CFO
May 19, 2026Sale(10b5-1 plan)−1,000$64.60$64.60K133,138
Mark N. Rogers
EVP & General Counsel
May 18, 2026Option exercise+5,000$7.40$37.00K43,904
Mark N. Rogers
EVP & General Counsel
May 18, 2026Sale(10b5-1 plan)−5,000$71.63$358.15K38,904
Gil C. Tily
Director
May 13, 2026Option exercise+9,893––118,699
MaryFrances McCourt
Director
May 13, 2026Option exercise+9,893––65,811
Guillaume Marie Jean Rutten
Director
May 13, 2026Option exercise+482––503,040
Winston J. Churchill
Director
May 13, 2026Option exercise+9,893––28,781
David N. Watson
Director
May 13, 2026Option exercise+9,893––130,650
Gil C. Tily
Director
May 11, 2026Sale−15,000$77.30$1.16M108,806
Guillaume Marie Jean Rutten
Director
May 8, 2026Sale−50,000$74.28$3.71M502,558
Winston J. Churchill
Director
May 5, 2026Sale−7,000$76.45$535.15K18,888
Roger Anthony Carolin
Director
May 5, 2026Sale−20,000$76.24$1.52M94,409
Roger Anthony Carolin
Director
May 5, 2026Option exercise+20,000$11.71$234.20K114,409
Douglas A. Alexander
Director
May 5, 2026Sale−4,657$76.58$356.63K29,109
Douglas A. Alexander
Director
May 5, 2026Sale−343$76.58$26.27K29,109
Douglas A. Alexander
Director
May 5, 2026Option exercise+343$8.51$2.92K29,452
Douglas A. Alexander
Director
May 5, 2026Option exercise+4,657$9.45$44.01K33,766
Mark N. Rogers
EVP & General Counsel
Apr 16, 2026Sale(10b5-1 plan)−5,000$59.43$297.15K38,904
Mark N. Rogers
EVP & General Counsel
Apr 16, 2026Option exercise+5,000$7.40$37.00K43,904
Susan Y. Kim
Director, 10% owner
Apr 7, 2026Option exercise+20,000$5.66$113.20K6,110,494
Robert Randolph Morse
Director
Apr 7, 2026Tax withholding−2,378––134,977
Robert Randolph Morse
Director
Apr 7, 2026Option exercise+20,000$5.66$113.20K137,355
Guillaume Marie Jean Rutten
Director
Mar 31, 2026Option exercise+8,692––552,558
Kevin K. Engel
President and CEO, Director
Mar 31, 2026Tax withholding−3,725$45.03$167.74K7,920
Kevin K. Engel
President and CEO, Director
Mar 31, 2026Option exercise+8,692––11,645
Megan Faust
CFO
Mar 31, 2026Tax withholding−3,725$45.03$167.74K134,138
Megan Faust
CFO
Mar 31, 2026Option exercise+8,692––137,863
Mark N. Rogers
EVP & General Counsel
Mar 16, 2026Sale(10b5-1 plan)−5,000$44.54$222.70K38,904
Mark N. Rogers
EVP & General Counsel
Mar 16, 2026Option exercise+5,000$7.40$37.00K43,904
David N. Watson
Director
Feb 25, 2026Tax withholding−2,223––120,757
David N. Watson
Director
Feb 25, 2026Option exercise+20,000$5.66$113.20K122,980
Farshad Haghighi
Executive Vice President
Feb 25, 2026Sale−15,624$50.50$789.01K8,354

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Faust Megan
Officer
Oct 13, 20261,000$46.92KOct 13, 2026Performance Shares
A. Alexander Douglas
Director
Oct 2, 20265,000$275.00KOct 2, 2026Stock Option Exercise
Faust Megan
Officer
Sep 8, 20261,000$49.05KSep 8, 2026Performance Shares
N. Rogers Mark
Officer
Aug 17, 20265,000$298.90KAug 17, 2026Stock Option Exercise
Faust Megan
Officer
Aug 11, 20261,000$54.45KAug 11, 2026Performance Shares
A. Alexander Douglas
Director
Aug 7, 20265,000$279.05KAug 7, 2026Stock Option Execise
Rutten Guillaume
Director
Aug 6, 202625,000$1.36MAug 6, 2026Performance Shares
Rutten Guillaume
Director
Aug 5, 202625,000$1.38MAug 5, 2026Performance Shares
K. Engel Kevin
Officer, Director
Jul 30, 20263,221$151.39KJul 30, 2026Restricted Stock
N. Rogers Mark
Officer
Jul 16, 20265,000$325.60KJul 16, 2026Stock Option Exercise
Faust Megan
Officer
Jul 14, 20261,000$69.91KJul 14, 2026Performance Shares
N. Rogers Mark
Officer
Jun 16, 20265,000$431.05KJun 16, 2026Stock Option Exercise
J. Churchill Winston
Director
Jun 12, 20265,000$391.00KJun 12, 2026Stock Option Exercise
Faust Megan
Officer
Jun 9, 20261,000$70.30KJun 9, 2026Performance Shares
Faust Megan
Officer
May 19, 20261,000$64.60KMay 19, 2026Performance Shares