How many institutions held AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share in Q1 2025?

342 institutional investors reported AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share for Q1 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

Q1 2025 13F Holders as of 31 Mar 2025

Security type / class: Equity / Common Stock, par value $0.001 per share
Total 13F shares: 108,040,907
Total 13F value: $1,951,026,308
Share change: -1,520,739
Put/Call ratio: 557%
SEC-reported price per share: $18.06
Number of holders: 342
Value change: -$73,920,018
Number of buys: 202
Number of sells: 144
Shares outstanding: 247,825,997

Security key

031652100

Report period

Q1 2025

Institutions

342

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

31 Dec 2024

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

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

Susan Y. Kim 2012 Generation-Skip... $5.27M

Susins, LLC $5.27M

VANGUARD GROUP INC $402.41M

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
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
Susins, LLC	3/4/5 Member of 10% owner group (2) 3/4/5	— denominator unverified	$5,269,696 164,678 shares	—	27 Dec 2021
VANGUARD GROUP INC	13F Company 13F	— denominator unverified	$402,413,967 15,664,226 shares	—	31 Dec 2024
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	— denominator unverified	$334,808,737 13,032,455 shares	—	31 Dec 2024

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 Q1 2025

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

Institutions

342

108,040,907

Rows available

342

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 Q1 2025 vs Q1 2025 Across Filers

Q1 2025 holders

342

Q1 2025 holders

342

Holder diff

Investor	Q1 2025 Shares	Q1 2025 Shares	Share Diff	Share Chg %	Q1 2025 value	Q1 2025 value	Value change	Value Chg %