Why is SELX Stock Down Today?
Company Description
Semilux International Ltd. (NASDAQ: SELX) is a technology company in the electronic components industry, focused on optical and 3D sensing applications. The company is domiciled in the Cayman Islands and operates through its subsidiaries, Taiwan Color Optics, Inc. ("TCO") and Semilux Ltd., a Cayman Islands exempted company with limited liability. Semilux’s ordinary shares trade on the Nasdaq market under the ticker symbol SELX.
TCO is described as an optical and 3D sensing technology company that is primarily involved in the customization, design and supply of optical components and integrated chip for various industries, including autonomous driving, intelligent lighting, and unmanned aerial vehicles. In collaboration with its clients, TCO conceptualizes and produces high precision optics and sensing modules that are specifically customized to clients’ needs for ease of integration in overall design and production. According to company disclosures, applications for TCO’s products include automotive laser headlight systems, adaptive driving beams (ADB), as well as light detection and autonomous driving systems (LiDAR).
Semilux’s business is closely linked to the development and deployment of LiDAR and ADB components and solutions. In company communications, Semilux is described as a provider of application-specific integrated circuit (ASIC), LiDAR and ADB components and solutions. TCO has undertaken the complete design of essential chips and components within LiDAR and ADB modules, including OPA, VCSEL, FMCW, ASIC and optical components. The company states that this work is intended to provide a cost-effective, calibration- and maintenance-light, scalable and reliable high-performing System-on-Chip (SoC) for these applications.
Semilux’s structure reflects its origins in a business combination. Chenghe Acquisition Co., a special purpose acquisition company (SPAC), completed a business combination with Taiwan Color Optics, Inc. and a newly formed holding company, Semilux International Ltd. Following the closing of this transaction, Semilux became the listed holding company, and its ordinary shares began trading on the Nasdaq Capital Market under the SELX symbol. TCO continues to operate as a subsidiary, bringing its experience in laser modules and components across various sectors into the combined group.
The company’s disclosures emphasize the role of its technology in autonomous driving and related safety-focused applications. Semilux and TCO highlight LiDAR and ADB technologies as central to their product and development efforts, with stated applications in automotive laser headlight systems, adaptive driving beams and autonomous driving systems. TCO also indicates plans to leverage Taiwan’s semiconductor vertical supply chain to facilitate production of chipsets used in its LiDAR and ADB products.
Semilux has also described initiatives in research and development. The company announced an R&D program with academics and scholars in universities in Taiwan to jointly develop a solid-state LiDAR module for automotive applications, focusing on Optical Phased Array (OPA) technology. The program is described as being sponsored by the National Science and Technology Council in Taiwan and intended to address weaknesses in current OPA technology for solid-state automotive LiDAR modules. Within this program, Semilux is described as working on an OPA-based chip integrated with silicon photonics circuits as an integral component in solid-state LiDAR modules.
In addition to its operational and R&D activities, Semilux has engaged in capital markets transactions. The company announced a common stock purchase agreement with White Lion Capital, LLC, described as a committed equity facility that gives Semilux the right, subject to conditions, to sell up to a specified amount of its common stock. The company has stated that it intends to use net proceeds from this arrangement for working capital to advance its ASIC, LiDAR and ADB technologies.
Semilux has also reported interactions with Nasdaq regarding continued listing requirements. Company announcements describe receiving notifications related to minimum bid price requirements, market value of listed securities requirements, and timely filing of its annual report on Form 20-F. In these communications, Semilux has stated that such notices had no immediate effect on the listing of its ordinary shares and that the company intended to monitor its status and evaluate options to regain or maintain compliance with applicable Nasdaq listing rules.
Overall, according to its public disclosures, Semilux International Ltd. presents itself as a Cayman Islands–domiciled holding company in the technology sector, with operations conducted through subsidiaries focused on optical components, 3D sensing, LiDAR and adaptive driving beam technologies for applications in autonomous driving, intelligent lighting and unmanned aerial vehicles.
Stock Performance
Semilux International (SELX) stock last traded at $0.5825, up 4.30% from the previous close. Over the past 12 months, the stock has lost 60.9%. At a market capitalization of $22.9M, SELX is classified as a micro-cap stock with approximately 43.4M shares outstanding.
Latest News
Semilux International has 7 recent news articles. Of the recent coverage, 3 articles coincided with positive price movement and 4 with negative movement. Key topics include acquisition. View all SELX news →
SEC Filings
Semilux International has filed 5 recent SEC filings, including 4 Form 6-K, 1 Form SCHEDULE 13G. The most recent filing was submitted on March 18, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all SELX SEC filings →
Financial Highlights
Semilux International generated $3.7M in revenue over the trailing twelve months, retaining a -23.7% gross margin, operating income reached -$5.4M (-147.0% operating margin), and net income was -$3.7M, reflecting a -100.3% net profit margin. Diluted earnings per share stood at $-0.10. The company generated $66K in operating cash flow. With a current ratio of 1.07, the company maintains adequate short-term liquidity.
Upcoming Events
Nasdaq compliance deadline
Nasdaq compliance deadline
Semilux International has 2 upcoming scheduled events. The next event, "Nasdaq compliance deadline", is scheduled for May 11, 2026 (in 34 days). Investors can track these dates to stay informed about potential catalysts that may affect the SELX stock price.
Short Interest History
Short interest in Semilux International (SELX) currently stands at 92.1 thousand shares, up 0.8% from the previous reporting period, representing 0.5% of the float. Over the past 12 months, short interest has increased by 304.6%. This relatively low short interest suggests limited bearish sentiment.
Days to Cover History
Days to cover for Semilux International (SELX) currently stands at 5.0 days, down 48.4% from the previous period. This days-to-cover ratio represents a balanced liquidity scenario for short positions. The ratio has shown significant volatility over the period, ranging from 1.0 to 9.6 days.
SELX Company Profile & Sector Positioning
Semilux International (SELX) operates in the Electronic Components industry within the broader Technology sector and is listed on the NASDAQ.
Investors comparing SELX often look at related companies in the same sector, including Research Frontiers Inc (REFR), Data I.O. (DAIO), Cps Technologie (CPSH), Maris Tech Ltd. (MTEK), and Sigmatron Intl (SGMA). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate SELX's relative position within its industry.