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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.

Q1 2026 vs. Q4 2025

How the institutions holding Amkor Technology, Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of AMKR: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders4557533+85
Shares113.6M17.1M121.4M+24.9M (+25.8%)
Value$4.49B$675.5M$5.44B+$1.63B (+42.7%)

7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (141)

Institutions that held Amkor Technology, Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Showing the largest 100 of 141 by value.

Institutions new to AMKR in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Portfolio Management LLC9,095,848$409.6M0.02%
Vanguard Capital Management LLC5,434,318$244.7M0.01%
Trexquant Investment LP1,066,184$48.0M0.35%
Voloridge Investment Management, LLC1,061,839$47.8M0.19%
Squarepoint Ops LLC966,791$43.5M0.09%
Burkehill Global Management, LP800,000$36.0M1.79%
Vanguard Fiduciary Trust Co716,727$32.3M0.01%
Lord, Abbett & Co. LLC455,929$20.5M0.07%
Tudor Investment Corp Et Al300,870$13.5M0.07%
Seven Grand Managers, LLC250,000$11.3M0.75%
Algert Global LLC248,600$11.2M0.17%
Aquatic Capital Management LLC134,418$6.05M0.17%
Bank Julius Baer & Co. Ltd, Zurich127,933$5.43M0.02%
Y-Intercept (Hong Kong) Ltd115,862$5.22M0.10%
Vanguard Asset Management, Ltd111,892$5.04M0.00%
Assenagon Asset Management S.A.76,398$3.44M0.01%
Prevail Innovative Wealth Advisors, LLC62,817$2.83M0.48%
Convergence Investment Partners, LLC62,207$2.80M0.46%
AnglePoint Asset Management Ltd61,600$2.77M1.96%
Diker Management LLC60,000$2.70M2.41%
TCW Group Inc56,720$2.55M0.02%
Oppenheimer Asset Management Inc.56,269$2.53M0.03%
Quadrature Capital Ltd54,737$2.46M0.03%
Vanguard Global Advisers, LLC49,394$2.22M0.00%
Bridgefront Capital, LLC46,167$2.08M0.52%
Integrated Wealth Concepts LLC42,329$1.91M0.02%
Wellington Grp LLC40,517$1.82M0.56%
Himension Fund40,451$1.82M0.14%
IHT Wealth Management, LLC39,263$1.77M0.04%
Havemeyer Place LP38,453$1.73M0.20%
Great Lakes Advisors, LLC36,986$1.67M0.01%
Capstone Capital Management Ltd35,808$1.61M1.62%
Landscape Capital Management, L.L.C.35,678$1.61M0.10%
Worldquant Millennium Advisors LLC32,863$1.48M0.01%
U.S. Capital Wealth Advisors, LLC31,386$1.41M0.04%
Gsa Capital Partners LLP30,804$1.39M0.09%
Vanguard Investments Australia, Ltd.30,007$1.35M0.00%
Capital Fund Management S.A.28,331$1.28M0.01%
Polianta Ltd27,900$1.26M0.17%
Voleon Capital Management LP23,146$1.04M0.02%
Silverleafe Capital Partners, LLC21,466$966.6K0.29%
Hanseatic Management Services Inc20,432$920.1K0.88%
FORA Capital, LLC19,589$882.3K0.06%
Circle Wealth Management, LLC18,703$842.2K0.01%
Dark Forest Capital Management LP18,587$837.0K0.07%
Aster Capital Management (DIFC) Ltd45,562$822.9K0.27%
Virtue Capital Management, LLC19,781$816.0K0.12%
Quantbot Technologies LP17,830$802.9K0.03%
Allstate Corp16,811$757.0K0.01%
BDFS Capital LLC16,517$743.8K0.36%
Three Seasons Wealth, LLC15,632$703.9K0.27%
AlphaGrep UK Ltd15,549$700.2K0.21%
West Michigan Advisors, LLC15,418$694.3K0.15%
Wolverine Asset Management LLC15,275$687.8K0.01%
Prelude Capital Management, LLC15,111$680.4K0.05%
New York Life Investment Management LLC14,979$674.5K0.01%
Gaddis Premier Wealth Advisors LLC14,926$672.1K0.50%
Pilgrim Partners Asia Pte Ltd14,100$634.9K0.27%
DRW Securities, LLC13,645$614.4K0.03%
Arista Wealth Management, LLC13,485$607.2K0.07%
Bull Harbor Capital LLC13,399$603.4K0.16%
Aristeia Capital LLC13,160$592.6K0.01%
Aigen Investment Management, LP12,698$571.8K0.15%
Fieldview Capital Management, LLC12,474$561.7K0.16%
Counterpoint Mutual Funds LLC12,084$544.1K0.08%
Teacher Retirement System of Texas11,920$536.8K0.00%
Capstone Investment Advisors, LLC10,918$491.6K0.00%
Phoenix Holdings Ltd.9,978$449.0K0.00%
GAM Holding AG9,875$444.7K0.04%
Cynosure Management, LLC9,600$432.3K0.05%
Brighton Jones LLC9,509$428.2K0.01%
Freestone Grove Partners LP9,282$418.0K0.00%
Bauman Advisory Group, LLC8,433$379.7K0.27%
Whalen Wealth Management Inc.8,357$376.3K0.20%
Blue Bell Private Wealth Management, LLC8,083$364.0K0.05%
Fideuram - Intesa Sanpaolo Private Banking S.P.A.8,064$363.1K0.01%
GWN Securities Inc.7,967$358.8K0.07%
DnB Asset Management AS7,176$323.1K0.00%
Clearwave Capital, LLC7,008$315.6K0.22%
Apollon Wealth Management, LLC7,005$315.4K0.01%
Truvestments Capital LLC6,544$294.7K0.05%
Marshall Wace, LLP6,225$280.3K0.00%
Bayesian Capital Management, LP6,199$279.1K0.34%
Dynamic Technology Lab Private Ltd6,175$278.1K0.05%
HB Wealth Management, LLC6,007$270.5K0.00%
Sivia Capital Partners, LLC5,979$269.2K0.05%
Blackstone Group Inc.5,910$266.1K0.00%
Entropy Technologies, LP5,759$259.3K0.01%
Lido Advisors, LLC5,734$258.2K0.00%
Commonwealth Equity Services, LLC5,724$257.7K0.00%
Private Advisor Group, LLC5,635$253.8K0.00%
Independent Advisor Alliance5,433$244.6K0.00%
Empowered Funds, LLC5,258$236.8K0.00%
United Capital Financial Advisers, LLC5,243$236.1K0.00%
Marex Group plc5,009$225.6K0.00%
Perigon Wealth Management, LLC4,901$220.7K0.00%
denkapparat Operations GmbH4,896$220.5K0.09%
Wealthfront Advisers LLC4,890$220.2K0.00%
Caxton Associates LLP4,887$220.1K0.01%
Cambria Investment Management, L.P.4,834$217.7K0.01%

Sold out (56)

Institutions that held Amkor Technology, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of AMKR in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Discovery Capital Management, LLC2,614,934$103.2M
Ardmore Road Asset Management LP469,121$18.5M
Styrax Capital, LP337,908$13.3M
Talos Asset Management LP280,400$11.1M
Fourier Capital Management Ltd258,802$10.2M
Picton Mahoney Asset Management232,949$9.20M
Twinbeech Capital LP165,200$6.52M
Walleye Capital LLC164,516$6.50M
EAM Investors, LLC147,016$5.80M
Two Sigma Advisers, LP135,400$5.35M
Ambassador Advisors, LLC132,020$5.21M
Balyasny Asset Management LLC124,447$4.91M
Kingsview Wealth Management, LLC103,407$4.08M
AI-Squared Management Ltd98,200$3.88M
Schonfeld Strategic Advisors LLC84,866$3.35M
Natixis84,053$3.32M
Andar Capital Management HK Ltd70,395$2.78M
Katamaran Capital LLP57,959$2.29M
Itau Unibanco Holding S.A.50,000$2.02M
Silvercrest Asset Management Group LLC50,875$2.01M
Arrowpoint Investment Partners (Singapore) Pte. Ltd.48,698$1.92M
Knights of Columbus Asset Advisors LLC42,878$1.69M
Oasis Management Co Ltd.30,800$1.22M
Sciencast Management LP30,630$1.21M
Zacks Investment Management28,718$1.13M
Easterly Investment Partners LLC27,049$1.07M
Black Swift Group, LLC20,200$896.2K
Group One Trading, L.P.21,758$859.0K
Jefferies Financial Group Inc.21,313$841.4K
Robotti Robert17,395$686.8K
Lotus Technology Management, LP16,949$669.1K
Moody National Bank Trust Division16,615$656.0K
Mirabella Financial Services LLP15,058$594.5K
Impact Partnership Wealth, LLC12,658$499.7K
Northwest & Ethical Investments L.P.10,600$428.2K
Highland Capital Management, LLC10,682$421.7K
Forum Financial Management, LP8,340$329.3K
Quest Partners LLC7,954$314.0K
Tairen Capital Ltd6,500$256.6K
Resources Investment Advisors, LLC.6,059$239.2K
Kestra Private Wealth Services, LLC5,867$231.6K
CFC Planning Co LLC5,690$224.6K
CAPROCK Group, Inc.5,630$222.3K
Canada Pension Plan Investment Board5,400$213.2K
Headlands Technologies LLC5,157$203.6K
Two Sigma Securities, LLC5,110$201.7K
AlphaCore Capital LLC5,086$200.8K
USA Financial Portformulas Corp4,537$179.1K
Kestra Advisory Services, LLC3,110$122.8K
State of Wyoming1,033$40.8K
Matrix Trust Co619$24.0K
SageView Advisory Group, LLC485$19.1K
FNY Investment Advisers, LLC137$5.00K
Elyxium Wealth, LLC83$3.28K
Optima Capital LLC69$2.72K
J.W. Cole Advisors, Inc.10,009$355

Not filed for Q1 2026 yet (7)

Institutions that held Amkor Technology, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMKR in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc15,704,172$620.0M
Norges Bank1,360,226$53.7M
Comerica Bank31,778$1.25M
EMC Capital Management8,791$347.0K
Global Retirement Partners, LLC3,348$132.2K
CIBC Private Wealth Group, LLC280$11.1K
ORG Partners LLC233$9.20K