4Suppliers
17Customers
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.

25Total relationships
3Distinct source URLs
11High confidence
0.753Average confidence
2026-09-13Latest 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

TickerNameConfidenceEvidence
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

TickerNameConfidenceEvidence
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: including certain major semiconductor foundries such as United Microelectronics Corporation, Samsung and Taiwan Semico…
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: h company or (ii) affirmatively and irrevocably opts out of the extended transition period provided in the JOBS Act. …
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: Reciprocal relationship from UMC grap…
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…
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…
CO-LLC CO-LLC 62% ommon stock warrant liabilities resulted in a loss of $3.1 million for the three months ended March 31, 2026 and a gain of $1.6 million for the three months ended March 31, 2025. The loss in the firs…
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: Reciprocal relationship from CRAC graph: Reciprocal relationship from GCTS graph: h company or (ii) affirmatively and…
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…
GCT-SEMICONDUCTOR-HOLDING-INC GCT-SEMICONDUCTOR-HOLDING-INC 62% ,” “we,” “us,” or “our” refer to GCT Semiconductor Holding Inc., a Delaware corporation, together with our consolidated subsidiaries. Overview We are a fabless semiconductor company that specializes …
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…
OBSIDIAN-GLOBAL-GP-LLC OBSIDIAN-GLOBAL-GP-LLC 62% ommon stock warrant liabilities resulted in a loss of $3.1 million for the three months ended March 31, 2026 and a gain of $1.6 million for the three months ended March 31, 2025. The loss in the firs…

GCT Semiconductor Holding, Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
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

HolderNameConfidenceEvidence
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

TickerNameChain IndexHopsRelationship Types
AMD Advanced Micro Devices, Inc. 100.00 2
GFS GLOBALFOUNDRIES Inc. 100.00 2
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
TSEM Tower Semiconductor Ltd. 100.00 2
UTSI UTStarcom Holdings Corp. 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
LSCC Lattice Semiconductor Corporation 100.00 2
CARVIX CARVIX 50.00 2
NXPI NXP Semiconductors N.V. 50.00 2
PRSO Peraso Inc. 50.00 2
ENTG Entegris, Inc. 50.00 2
VLN Valens Semiconductor Ltd. 50.00 2
MU Micron Technology, Inc. 50.00 2
TOYOF Toyota Motor Corporation 50.00 2
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GCTS
Unlock GCTS Supply Chain Data
Verified relationships include:
SAMSUNG-FOUNDRYSAMSUNG-FOUNDRYSupplier90%
STRATEGIC-INVESTORSTRATEGIC-INVESTORSupplier90%
SAMSUNG-ELECTRONICS-CO-LTDSAMSUNG-ELECTRONICS-CO-LTDCustomer85%
TAIWAN-SEMICONDUCTOR-MANUFACTURING-CORPORATIONTAIWAN-SEMICONDUCTOR-MANU…Customer85%
+21 more relationships locked
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