GCT Semiconductor Holding, Inc. (GCTS) Stock

About GCT Semiconductor Holding, Inc.

GCT Semiconductor Holding, Inc., operates as a fabless semiconductor company, designs, develops, and markets integrated circuits for the wireless semiconductor industry. The company provides RF and modem chipsets based on 4G LTE technology, including 4G LTE, 4.5G LTE Advanced, and 4.75G LTE Advanced-Pro. It develops and sells cellular IoT chipsets for low-speed mobile networks such as eMTC/NB-IOT/Sigfox, and other network protocols; and 5G solutions. Its products and solutions are used in smartphones, tablets, customer premises equipment, USB dongles, routers, and M2M applications. The company sells its products directly or indirectly through distributors to original equipment manufacturers and original design manufacturers primarily in Taiwan, China, Korea and Japan, Europe, North America and South America. The company was formerly known as Global Communication Technology, Inc. GCT Semiconductor Holding, Inc. was founded in 1998 and is headquartered in San Jose, California.

GCT Semiconductor Holding, Inc. is led by CEO John Brian Schlaefer, employs 121 people, headquartered in US, publicly traded since 2021.

GCT Semiconductor Holding, Inc. (GCTS) stock trades at $1.29 with a market capitalization of $117.34M. The stock is valued at a negative price-to-earnings (P/E) ratio of -2.10, reflecting a net loss over the last twelve months, a negative price-to-book of -2.70, reflecting negative shareholders' equity, price-to-sales of 37.91. Over the past 52 weeks the stock has ranged between $0.95 and $3.93, and currently trades 67.2% below its 52-week high.

On profitability, GCT Semiconductor Holding, Inc. generates a return on equity (ROE) of 73.41% (not meaningful, as shareholders' equity is negative), return on capital employed of 502.97%, an operating margin of -1233.33%, a net profit margin of -10.79%.

Official website: www.gctsemi.com

GCT Semiconductor Holding, Inc. by the numbers, 2021–2025

Between 2021 and 2025 GCT Semiconductor Holding, Inc. reported revenue of $26.0M rising to $3.0M, a change of -88.5% across 5 years. Compounded, revenue has grown —% a year over five years, -43.9% over three, -66.7% over the last twelve months. Net profit fell to $-43.0M.

Operating margin went from -69.8% in 2021 to -1275.0% in 2025, a fall of 1205.2 percentage points. The most recent net margin is -10.79%. On a trailing twelve-month basis to Jun '26, revenue is $4.0M and net profit $-53.0M.

Borrowings fell from $86.0M to $63.0M, cash on hand is $30.0M, cash from operations was $-31.0M in the latest year, positive in 0 of the last 5.

Return on equity has averaged 24.8% over five years, and was 51.8% in the most recent year.

The share price itself has compounded at —% a year over five years, —% over three, —% over the last year. Past price movement is history, not a forecast.

Figures are as reported and in the company's own reporting currency. They describe what has already happened and carry no implication about what follows.

GCT Semiconductor Holding, Inc. (GCTS) — frequently asked questions