Why is AAOI Stock Up Today?
Company Description
Applied Optoelectronics, Inc. (NASDAQ: AAOI) is a developer and manufacturer of advanced optical and hybrid fiber-coax (HFC) networking products that serve as building blocks for AI datacenters, cable television (CATV) and broadband fiber access networks around the world. The company focuses on supplying critical optical infrastructure to tier-one customers across cloud computing, CATV broadband, telecom and fiber-to-the-home (FTTH) markets.
According to the company’s public descriptions, Applied Optoelectronics provides fiber-optic networking products for four primary end-markets: internet data centers, CATV, telecom and FTTH. It designs and manufactures optical communications products at multiple levels of integration, from lasers and components to modules, subassemblies and complete equipment. These products support high-speed data transmission in hyperscale and AI-focused data centers as well as broadband access networks.
Business focus and product capabilities
Applied Optoelectronics highlights its role in providing advanced optical transceivers and semiconductor lasers for high-speed links in AI data centers. The company has announced 800G data center transceivers for hyperscale customers and has discussed work on 1.6T transceivers in its financial communications. It also develops high-power semiconductor lasers, including a 400-milliwatt narrow-linewidth pump laser designed to support silicon photonics and co-packaged optics (CPO) architectures used in AI data centers.
In the broadband access space, AOI offers HFC networking products and CATV amplifiers. Management has pointed to strong demand for its 1.8 GHz amplifier products and has referenced its QuantumLink™ software and remote management platform for HFC networks. The company’s QuantumLink Central and associated transponders are designed to provide telemetry, visibility, diagnostics and control for remote amplifiers in CATV broadband networks.
Geographic footprint and operations
Applied Optoelectronics states that it has research and development facilities in Atlanta, Georgia, and engineering and manufacturing facilities at its corporate headquarters in Sugar Land, Texas, as well as facilities in Taipei, Taiwan and Ningbo, China. Earlier descriptions also reference manufacturing teams in the United States, China and Taiwan, and indicate that the company coordinates closely with customers on product design, qualification and performance.
The company has disclosed multiple lease and credit agreements that support its manufacturing expansion. For example, it has entered into lease agreements for additional manufacturing space in Sugar Land, Texas, and for land and buildings in New Taipei City through its subsidiary Prime World International Holdings Ltd. It has also put in place credit facilities in the United States and China to support working capital and capital investment needs.
End markets and applications
AOI’s products are positioned for internet data centers and AI datacenters, where high-speed optical links are required for data-intensive workloads. The company has emphasized its role in supplying optical transceivers and lasers that support 400G, 800G and higher-speed connections, including short-reach multimode links using 100G VCSEL technology. It has described its vertically integrated design and manufacturing capabilities for 100G VCSELs at 850nm and the use of these devices in 800G OSFP multimode optical transceivers.
In CATV and broadband fiber access networks, AOI’s HFC amplifiers and related equipment are used to enhance RF performance and support broadband services. The QuantumLink software suite adds AI-based modules, analytics, alarms and network mapping capabilities intended to help operators monitor device health, manage assets and reduce operational costs.
Capital markets and regulatory profile
Applied Optoelectronics’ common stock trades on the Nasdaq Global Market under the symbol AAOI, as reflected in its Form 8-K filings. The company files periodic and current reports with the U.S. Securities and Exchange Commission (SEC), including Forms 10-K, 10-Q and 8-K. Recent 8-K filings describe material definitive agreements such as equity distribution agreements that allow the company to issue and sell common stock in at-the-market offerings, loan and security agreements providing revolving lines of credit, and lease agreements for manufacturing and operational facilities.
In its financial press releases furnished on Form 8-K, AOI discusses revenue trends, gross margin, non-GAAP financial measures and business outlook for its datacenter and CATV segments. The company explains how it adjusts GAAP results to derive non-GAAP metrics, including the exclusion of stock-based compensation, amortization of intangible assets, certain non-recurring items and unrealized foreign exchange effects.
Technology and software initiatives
Beyond hardware, AOI has announced software enhancements to its QuantumLink HFC Remote Management solution. New modules include AI-driven prediction and resolution tools, analytics dashboards, alarm management and network mapping. These modules are described as providing telemetry, unified visibility, predictive diagnostics and automated controls for remote amplifier management, with the goal of improving network reliability and operational efficiency in broadband access networks.
The company also highlights its work on high-power, narrow-linewidth lasers intended to support silicon photonics and co-packaged optics. These lasers are designed to deliver sufficient optical power to close power budgets for 800G and 1.6T systems while addressing coupling and routing losses near AI switch ASICs. AOI notes that such lasers can feed multiple silicon photonics lanes or wavelengths from centralized sources and help stabilize on-chip photonic devices.
Corporate background
In a joint announcement with the City of Sugar Land, it was noted that AOI was founded at the University of Houston in 1997 and later opened its headquarters in Sugar Land, Texas. The same announcement describes AOI’s long-term presence in Sugar Land and its plans to expand domestic production capacity for AI-focused datacenter transceivers through new manufacturing lines and facilities.
How AOI is classified
For industry classification purposes, Applied Optoelectronics is associated with Semiconductor and Related Device Manufacturing within the broader Manufacturing sector. Its activities span the design and production of semiconductor lasers, optical components, modules and systems used in networking and communications infrastructure.
Stock Performance
Applied Optoelec (AAOI) stock last traded at $86.35, up 16.27% from the previous close. Over the past 12 months, the stock has gained 472.2%. At a market capitalization of $6.6B, AAOI is classified as a mid-cap stock with approximately 75.2M shares outstanding.
Latest News
Applied Optoelec has 10 recent news articles. Of the recent coverage, 7 articles coincided with positive price movement and 3 with negative movement. Key topics include AI, earnings, conferences, earnings date. View all AAOI news →
SEC Filings
Applied Optoelec has filed 5 recent SEC filings, including 1 Form 4, 1 Form 144, 1 Form SCHEDULE 13G/A, 1 Form SCHEDULE 13G. The most recent filing was submitted on March 26, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all AAOI SEC filings →
Insider Radar
Insider selling at Applied Optoelec over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
Applied Optoelec generated $455.7M in revenue over the trailing twelve months, retaining a 30.0% gross margin, operating income reached -$54.6M (-12.0% operating margin), and net income was -$38.2M, reflecting a -8.4% net profit margin. Diluted earnings per share stood at $-0.64. The company generated -$174.4M in operating cash flow. With a current ratio of 2.63, the balance sheet reflects a strong liquidity position.
Upcoming Events
Facility operational
Start shipments for 1.6T order
Volume production begins
Complete shipments for 1.6T order
Reach production capacity target
Investment increase to $300M
Applied Optoelec has 6 upcoming scheduled events. The next event, "Facility operational", is scheduled for June 1, 2026 (in 60 days). Investors can track these dates to stay informed about potential catalysts that may affect the AAOI stock price.
Short Interest History
Short interest in Applied Optoelec (AAOI) currently stands at 10.3 million shares, down 2.5% from the previous reporting period, representing 14.2% of the float. This moderate level of short interest indicates notable bearish positioning.
Days to Cover History
Days to cover for Applied Optoelec (AAOI) currently stands at 1.0 days, down 52.2% from the previous period. This low days-to-cover ratio indicates high liquidity, allowing short sellers to quickly exit positions if needed. The days to cover has decreased 51.9% over the past year, suggesting improved liquidity for short covering. The ratio has shown significant volatility over the period, ranging from 1.0 to 4.0 days.
AAOI Company Profile & Sector Positioning
Applied Optoelec (AAOI) operates in the Communication Equipment industry within the broader Semiconductors & Related Devices sector and is listed on the NASDAQ.
Investors comparing AAOI often look at related companies in the same sector, including Digi Intl Inc (DGII), Harmonic Inc (HLIT), TELESAT CORP (TSAT), Adtran Inc (ADTN), and Netgear Inc (NTGR). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate AAOI's relative position within its industry.