How many institutions held AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share in Q3 2025?

380 institutional investors reported AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share for Q3 2025. Use the holders table for investor-level position and value details.

AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (AMKR)

Q: What does CUSIP 031652100 represent in this 13F holders report?

CUSIP 031652100 is the security identifier for AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

CUSIP: 031652100

Q3 2025 13F Holders as of 30 Sep 2025

Security type / class: Equity / Common Stock, par value $0.001 per share
Total 13F shares: 107,601,765
Total 13F value: $3,056,601,018
Share change: -5,187,965
Put/Call ratio: 105%
SEC-reported price per share: $28.40
Number of holders: 380
Value change: -$122,745,222
Number of buys: 198
Number of sells: 158
Shares outstanding: 247,825,997

Security key

031652100

Report period

Q3 2025

Institutions

380

Top holders

AMKR full security history Ownership snapshot Full 13F holder table AMKOR TECHNOLOGY, INC. SEC filings AMKOR TECHNOLOGY, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Kim Capital Partners - KC...

Disclosed value leader

Kim Capital Partners - KC...

Comparable rows

0/15

Latest evidence

01 Aug 2025

3/4/5 13F Highest disclosed value: $534,741,376 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

Kim Capital Partners - KCP, LLC has the largest disclosed position value at $534.74M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Kim Capital Partners - KCP, LLC's linked filing trail.

Disclosed position value Top 5

Kim Capital Partners - KCP, LLC $534.74M

David D. Kim $141.98M

SUJODA Investments, LP $82.8M

Sujoda Management, LLC $82.8M

Family Trust Under the John T. Ki... $15.94M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Kim Capital Partners - KCP, LLC	3/4/5 Member of 10% owner group (3) 3/4/5	— denominator unverified	$534,741,376 16,710,668 shares	—	14 Nov 2023
David D. Kim	3/4/5 Member of 10% owner group (5) 3/4/5	— denominator unverified	$141,980,797 6,496,738 shares	—	01 Aug 2025
SUJODA Investments, LP	3/4/5 Member of 10% owner group (2) 3/4/5	— denominator unverified	$82,800,116 3,789,479 shares	—	01 Aug 2025
Sujoda Management, LLC	3/4/5 Member of 10% owner group (4) 3/4/5	— denominator unverified	$82,800,116 3,789,479 shares	—	01 Aug 2025
Family Trust Under the John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18	3/4/5 Member of 10% owner group (2) 3/4/5	— denominator unverified	$15,943,424 498,232 shares	—	27 Jul 2023
Susan Y. Kim 2012 Generation-Skipping Trust U/A Dated December 11, 2012	3/4/5 Member of 10% owner group (2) 3/4/5	— denominator unverified	$5,269,696 164,678 shares	—	27 Dec 2021

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

380

107,601,765

Rows available

380

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders

342

Q3 2025 holders

380

Holder diff

Investor	Q2 2025 Shares	Q3 2025 Shares	Share Diff	Share Chg %	Q2 2025 value	Q3 2025 value	Value change	Value Chg %