GCT Semiconductor Holding, Inc.
GCT Semiconductor Holding, Inc. (NYSE: GCTS) is a fabless semiconductor company that designs and sells wireless communication chipsets, including radio-frequency transceivers, baseband modems and integrated system-on-chips, for 4G LTE, 4.5G, 4.75G and 5G networks. Its products support fixed wireless access equipment,… From the company’s description.
Over the twelve months to Jun 30, 2026, GCT Semiconductor Holding, Inc. reported revenue of $4.08M, down 32.8% from a year earlier, and a net loss of $53.11M. Its operating margin was −852.0%, and operations used $38.07M in cash. In fiscal 2025, it reported revenue of $2.87M, down 68.6% from fiscal 2024, and a net loss of $43.37M.
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: GCTS) is a fabless semiconductor company that designs and sells wireless communication chipsets, including radio-frequency transceivers, baseband modems and integrated system-on-chips, for 4G LTE, 4.5G, 4.75G and 5G networks. Its products support fixed wireless access equipment, mobile routers, communication modules, industrial machine-to-machine devices and cellular IoT applications. Customers include original equipment and design manufacturers, contract manufacturers, system integrators and distributors; wireless carriers also work with GCT on product development and certification. The company sells through purchase orders and provides software, reference designs and technical support to help customers integrate its chipsets. Its portfolio includes products spanning high-speed broadband through low-power IoT, and its first 5G chipset began commercial shipments in late 2025. GCT develops products through subsidiaries in South Korea and operates regional sales offices in Taiwan, China and Japan. It reports as a single business rather than describing reportable segments. The company recorded $[amount] in revenue for fiscal 2025. Its website is not stated.
Company details
- Sector
- Information Technology
- Industry (SIC)
- 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.
Put this business in context.
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