GCT Semiconductor Holding, Inc.
GCT Semiconductor Holding, Inc. (NYSE: GCT) is a fabless semiconductor company specializing in the design, manufacturing, and sale of communication semiconductors for high-speed wireless applications. The company develops and commercializes 5G, 4.75G, 4.5G, and 4G transceivers and modems essential for industrial,… From the company’s description.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What GCT Semiconductor Holding, Inc. does
In the company’s own words
GCT Semiconductor Holding, Inc. (NYSE: GCT) is a fabless semiconductor company specializing in the design, manufacturing, and sale of communication semiconductors for high-speed wireless applications. The company develops and commercializes 5G, 4.75G, 4.5G, and 4G transceivers and modems essential for industrial, business-to-business, and consumer applications worldwide.
The company's product portfolio includes baseband modems, RF transceivers, and protocol software that enable stable communication across multiple wireless carrier networks. GCT's solutions serve diverse applications including fixed wireless access customer premise equipment, mobile routers, industrial machine-to-machine applications, and cellular IoT devices. The company recently released its first 5G product with initial commercial shipments in the fourth quarter of 2025, with additional 5G solutions expected throughout 2026 and 2027. The company anticipates that 5G chipsets will command average sales prices approximately four times higher than 4G chipsets, positioning the company for significant revenue and margin expansion.
GCT maintains headquarters in San Jose, California, with research and development operations through wholly owned subsidiaries in South Korea and sales offices in Taiwan, China, and Japan. The company employs a direct sales force of five individuals serving original equipment manufacturers and original design manufacturers across Asia-Pacific, Europe, North America, and South America, supplemented by regional distributors and sales representatives.
The company's competitive strengths include substantial experience commercializing wireless technologies dating to early 4G LTE deployment, proprietary multi-antenna technology including eight-antenna solutions for improved network efficiency, longstanding relationships with tier-one and tier-two network operators spanning over a decade, and highly differentiated modem architecture enabling scalable product offerings. GCT provides fully integrated system-on-chip solutions combining baseband modem, RF transceiver, application CPU, and memory functions, reducing total solution costs for customers.
The company operates in a market characterized by high barriers to entry, limited reliable alternatives for modem chipset suppliers, and growing demand for 5G fixed wireless access services projected to reach over 350 million subscriptions by 2031.
Company details
- Sector
- Technology
- Industry
- Semiconductors
- Headquarters
- SAN JOSE, CA
- Fiscal year end
- December
- CIK
- 1851961
- SIC
- 3674
Financial performance, year by year
Fiscal 2022–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns GCT Semiconductor Holding, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · GCT Semiconductor Holding, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Could not be determined for this company: bond issues.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
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