<SEC-DOCUMENT>0001104659-25-038103-index.html : 20250423
<SEC-HEADER>0001104659-25-038103.hdr.sgml : 20250423
<ACCEPTANCE-DATETIME>20250423172909
ACCESSION NUMBER:		0001104659-25-038103
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20250423
DATE AS OF CHANGE:		20250423

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:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-286713
		FILM NUMBER:		25862814

	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>S-3
<SEQUENCE>1
<FILENAME>tm2512456d1_s3.htm
<DESCRIPTION>FORM S-3
<TEXT>
Document 1 - file: tm2512456d1_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>tm2512456d1_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: tm2512456d1_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>tm2512456d1_ex23-2.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 3 - file: tm2512456d1_ex23-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>4
<FILENAME>tm2512456d1_ex-filingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 4 - file: tm2512456d1_ex-filingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>image_003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: image_003.jpg

</DOCUMENT>
</SEC-DOCUMENT>