<SEC-DOCUMENT>0000929638-25-001657-index.html : 20250529
<SEC-HEADER>0000929638-25-001657.hdr.sgml : 20250529
<ACCEPTANCE-DATETIME>20250428164746
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000929638-25-001657
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250428

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GCT Semiconductor Holding, Inc.
		CENTRAL INDEX KEY:			0001851961
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				862171699
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		2290 NORTH 1ST STREET
		STREET 2:		SUITE 201
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131
		BUSINESS PHONE:		408-434-6040

	MAIL ADDRESS:	
		STREET 1:		2290 NORTH 1ST STREET
		STREET 2:		SUITE 201
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Concord Acquisition Corp III
		DATE OF NAME CHANGE:	20210318
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
</SEC-DOCUMENT>