Who are GCT Semiconductor Holding, Inc.'s main suppliers?

GCT Semiconductor Holding, Inc. (GCTS) key suppliers include: SAMSUNG-FOUNDRY, STRATEGIC-INVESTOR, United Microelectronics Corporation, United Microelectronics Corporation. View the full supplier network at chainsifter.com/chain/GCTS.

Who are GCT Semiconductor Holding, Inc.'s major customers?

GCT Semiconductor Holding, Inc. (GCTS) key customers include: SAMSUNG-ELECTRONICS-CO-LTD, TAIWAN-SEMICONDUCTOR-MANUFACTURING-CORPORATION, Taiwan Semiconductor Manufacturing Company Limited, Concord Acquisition Corp II, Concord Acquisition Corp II and 9 more. View the full customer network at chainsifter.com/chain/GCTS.

What sector is GCT Semiconductor Holding, Inc. in?

GCT Semiconductor Holding, Inc. (GCTS) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

GCT Semiconductor Holding, Inc. Suppliers, Customers & Supply Chain (GCTS)

4Suppliers

14Customers

3Debt Items

20Related Chains

Source-Backed Evidence Depth

GCT Semiconductor Holding, Inc. (GCTS) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

22Total relationships

3Distinct source URLs

11High confidence

0.771Average confidence

2026-10-28Latest database update

ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

GCT Semiconductor Holding, Inc. Suppliers

Ticker	Name	Confidence	Evidence
SAMSUNG-FOUNDRY	SAMSUNG-FOUNDRY	90%	Our main foundry vendors are Samsung Foundry, and United Microelectronics Corporation
STRATEGIC-INVESTOR	STRATEGIC-INVESTOR	90%	the Amendment modifies certain terms of the Original Note, including the extension of the maturity date of the Note to February 26, 2028
UMC	United Microelectronics Corporation	90%	Our main foundry vendors are Samsung Foundry, and United Microelectronics Corporation
UMC	United Microelectronics Corporation	90%	Reciprocal relationship from UMC graph: Reciprocal relationship from GCTS graph: Our main foundry vendors are Samsung Foundry, and United Microelectronics Corporation

GCT Semiconductor Holding, Inc. Customers

Ticker	Name	Confidence	Evidence
SAMSUNG-ELECTRONICS-CO-LTD	SAMSUNG-ELECTRONICS-CO-LTD	85%	nt to which these vendors agreed to supply us a license to use certain intellectual property that will enable us to develop and deliver 5G products under the Alpha Agreements. As disclosed previously…
TAIWAN-SEMICONDUCTOR-MANUFACTURING-CORPORATION	TAIWAN-SEMICONDUCTOR-MANUFACTURING-CORPORATION	85%	including certain major semiconductor foundries such as United Microelectronics Corporation, Samsung and Taiwan Semiconductor Manufacturing Corporation, for the manufacturing and supplies of its wafe…
TSM	Taiwan Semiconductor Manufacturing Company Limited	85%	Reciprocal relationship from TSM graph: Reciprocal relationship from GCTS graph: Reciprocal relationship from TSM graph: Reciprocal relationship from GCTS graph: Reciprocal relationship from TSM grap…
CNDA	Concord Acquisition Corp II	72%	h company or (ii) affirmatively and irrevocably opts out of the extended transition period provided in the JOBS Act. As a result, these unaudited condensed consolidated financial statements may not b…
CNDA	Concord Acquisition Corp II	72%	Reciprocal relationship from CNDA graph: Reciprocal relationship from GCTS graph: Reciprocal relationship from CNDA graph: Reciprocal relationship from GCTS graph: Reciprocal relationship from CNDA g…
UMC	United Microelectronics Corporation	72%	nt to which these vendors agreed to supply us a license to use certain intellectual property that will enable us to develop and deliver 5G products under the Alpha Agreements. As disclosed previously…
UMC	United Microelectronics Corporation	72%	Reciprocal relationship from UMC graph: Reciprocal relationship from GCTS graph: Reciprocal relationship from UMC graph: Reciprocal relationship from GCTS graph: nt to which these vendors agreed to s…
ALPHA-HOLDINGS-CO-LTD	ALPHA-HOLDINGS-CO-LTD	62%	atents, 4 Chinese patents, and 2 patents issued in other countries. In February 2024, we entered into a Foundry Product Development Agreement and related agreement (the “Alpha Agreements”) with Alpha…
CONCORD-ACQUISITION-CORP	CONCORD-ACQUISITION-CORP	62%	h company or (ii) affirmatively and irrevocably opts out of the extended transition period provided in the JOBS Act. As a result, these unaudited condensed consolidated financial statements may not b…
CRAC	Crown Reserve Acquisition Corp. I	62%	Reciprocal relationship from CRAC graph: Reciprocal relationship from GCTS graph: h company or (ii) affirmatively and irrevocably opts out of the extended transition period provided in the JOBS Act. …
ELECTRONICS-ENGINEERS-INC	ELECTRONICS-ENGINEERS-INC	62%	ur operating results. Rapidly changing standards could make our semiconductor solutions obsolete, which would cause our operating results to suffer. We design our semiconductor solutions to conform t…
EMERGING-GROWTH-COMPANY	EMERGING-GROWTH-COMPANY	62%	timately collected on accounts receivable. Provision for Credit Losses Accounts receivable balances are primarily derived from revenues earned from customers located in the United States, China, Sout…
GIBRALTAR-MERGER-SUB-INC	GIBRALTAR-MERGER-SUB-INC	62%	endments may be applied prospectively or retrospectively. Early adoption is permitted. The Company is currently evaluating the impact of the adoption of ASU 2025-12 on its consolidated financial stat…
KOREA-DEPOSIT-INSURANCE-CORPORATION	KOREA-DEPOSIT-INSURANCE-CORPORATION	62%	or Korea Deposit Insurance Corporation limits. The Company’s accounts receivable balances are primarily derived from revenues recognized from customers located in the United States, China, South Kore…

GCT Semiconductor Holding, Inc. Debt Obligations

Instrument	Description	Confidence	Evidence
GCTS-DEBT-9736	Xbrl Convertible	90%	xbrl convertible detail from xbrl 2026-03-31.
GCTS-DEBT-9735	Warrants outstanding: -880000	90%	xbrl warrant detail from xbrl 2025-12-31.
GCTS-DEBT	Debt stack $58.2M	90%	Market cache reports total debt of $58.2M.

GCT Semiconductor Holding, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for GCT Semiconductor Holding, Inc..

GCT Semiconductor Holding, Inc. Ownership

Holder	Name	Confidence	Evidence
GCTS-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC	VANGUARD CAPITAL MANAGEMENT LLC	90%	13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 35 tracked holders.

GCT Semiconductor Holding, Inc. Extended Supply Chain Network

Ticker	Name	Chain Index	Hops	Relationship Types
AMD	Advanced Micro Devices, Inc.	100.00	2
GFS	GLOBALFOUNDRIES Inc.	100.00	2
CNDA	Concord Acquisition Corp II	100.00	1	['customer']
CRAC	Crown Reserve Acquisition Corp. I	100.00	1	['customer']
IBM	International Business Machines Corporation	100.00	2
IFNNY	Infineon Technologies AG	100.00	2
SITM	SiTime Corporation	100.00	2
TSM	Taiwan Semiconductor Manufacturing Company Limited	100.00	1	['customer']
HIMX	Himax Technologies, Inc.	100.00	2
IFNNF	Infineon Technologies AG	100.00	2
INTC	Intel Corporation	100.00	2
TSEM	Tower Semiconductor Ltd.	100.00	2
LSCC	Lattice Semiconductor Corporation	100.00	2
UMC	United Microelectronics Corporation	100.00	1	['customer', 'supplier']
UTSI	UTStarcom Holdings Corp.	100.00	2
SKYT	SkyWater Technology, Inc.	50.00	2
PRSO	Peraso Inc.	50.00	2
ALAB	Astera Labs, Inc.	50.00	2
TSMWF	Taiwan Semiconductor Manufacturing Company Limited	50.00	2
GCTS-WT	GCT Semiconductor Holding, Inc.	50.00	2

GCT Semiconductor Holding, Inc. Supply Chain