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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.

Q3 2025 vs. Q2 2025

How the institutions holding Amkor Technology, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of AMKR: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders3483383+38
Shares113.0M820.8K107.7M−4.40M (−3.9%)
Value$2.37B$17.2M$3.06B+$702.7M (+29.9%)

3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (77)

Institutions that held Amkor Technology, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to AMKR in Q3 2025
InstitutionSharesValue% of portfolio
Ceredex Value Advisors LLC426,050$12.1M0.28%
Allspring Global Investments Holdings, LLC227,679$6.71M0.01%
DnB Asset Management AS139,666$3.97M0.01%
Soviero Asset Management, LP105,000$2.98M1.84%
Edgestream Partners, L.P.97,078$2.76M0.08%
Voleon Capital Management LP74,889$2.13M0.05%
Knights of Columbus Asset Advisors LLC67,552$1.92M0.11%
Channing Capital Management, LLC65,941$1.87M0.05%
AI-Squared Management Ltd64,800$1.84M1.92%
MetLife Investment Management58,440$1.66M0.01%
Sciencast Management LP49,820$1.41M0.26%
Nomura Holdings Inc46,826$1.33M0.01%
Wolverine Trading, LLC41,770$1.19M0.02%
SummerHaven Investment Management, LLC38,654$1.10M0.64%
Cambridge Investment Research Advisors, Inc.38,631$1.10M0.00%
Shay Capital LLC31,000$880.4K0.16%
Intech Investment Management LLC24,656$700.2K0.01%
IMC-Chicago, LLC22,256$632.1K0.01%
Easterly Investment Partners LLC21,049$597.8K0.04%
Moody National Bank Trust Division20,682$587.4K0.05%
AXA Investment Managers S.A.18,806$534.1K0.00%
Occudo Quantitative Strategies LP18,226$517.6K0.06%
111 Capital18,050$512.6K0.10%
Buckingham Strategic Partners15,201$509.8K0.01%
Sowell Financial Services LLC17,756$504.3K0.02%
Massar Capital Management, LP16,950$481.4K0.17%
Altfest L J & Co Inc16,913$480.3K0.05%
DRW Securities, LLC16,695$470.7K0.02%
Two Sigma Advisers, LP15,000$426.0K0.00%
Two Sigma Securities, LLC14,678$416.9K0.06%
Canada Pension Plan Investment Board14,600$414.6K0.00%
Diversified Trust Co11,718$332.8K0.01%
Leuthold Group, LLC10,981$311.9K0.03%
Polymer Capital Management (HK) LTD10,896$309.4K0.04%
Vise Technologies, Inc.10,168$288.8K0.01%
Krilogy Financial LLC7,558$276.2K0.01%
O'Shaughnessy Asset Management, LLC9,597$272.6K0.00%
Wedmont Private Capital9,129$271.6K0.01%
Virtu Financial LLC9,526$271.0K0.02%
Worldquant Millennium Advisors LLC9,229$262.1K0.00%
Quest Partners LLC9,165$260.3K0.02%
Ground Swell Capital, LLC9,110$258.7K0.57%
Sender Co & Partners, Inc.9,068$257.5K0.10%
CFC Planning Co LLC8,917$253.2K0.21%
Atria Investments LLC8,760$248.8K0.00%
Profund Advisors LLC8,167$231.9K0.01%
Panagora Asset Management Inc8,144$231.3K0.00%
Brighton Jones LLC8,043$228.4K0.01%
Mackenzie Financial Corp7,934$225.3K0.00%
Hennion & Walsh Asset Management, Inc.7,798$221.5K0.01%
CIBC Asset Management Inc7,737$219.7K0.00%
Bayforest Capital Ltd7,694$218.5K0.10%
Point72 Europe (London) LLP7,692$218.5K0.01%
Forum Financial Management, LP7,325$208.0K0.00%
CBOE Vest Financial, LLC7,284$206.9K0.00%
Caerus Investment Advisors, LLC7,106$201.8K0.08%
Impact Partnership Wealth, LLC7,091$201.4K0.03%
Farringdon Capital, Ltd.7,068$200.7K0.05%
Abich Financial Wealth Management LLC5,151$146.3K0.05%
Wexford Capital LP3,400$96.6K0.03%
Advisory Services Network, LLC2,245$63.8K0.00%
Essex Investment Management Co LLC1,526$43.3K0.01%
Salomon & Ludwin, LLC858$25.2K0.00%
Wealthspire Advisors, LLC689$19.6K0.00%
Root Financial Partners, LLC675$19.2K0.00%
Rockefeller Capital Management L.P.294$8.35K0.00%
Quent Capital, LLC292$8.29K0.00%
Sunbelt Securities, Inc.170$4.83K0.00%
Optiver Holding B.V.156$4.43K0.00%
GWM Advisors LLC125$3.55K0.00%
Transamerica Financial Advisors, Inc.91$2.58K0.00%
S&T Bank70$1.99K0.00%
Cloud Capital Management, LLC59$1.00K0.00%
SJS Investment Consulting Inc.24$6820.00%
Palisade Asset Management, LLC6$1710.00%
Dogwood Wealth Management LLC3$850.00%
Colony Group, LLC121,253––

Sold out (39)

Institutions that held Amkor Technology, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Not filed for Q3 2025 yet (3)

Institutions that held Amkor Technology, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMKR in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank820,456$17.2M
Atlas Capital Advisors LLC333$6.99K
Parkworth Wealth Management, Inc.3$63