Ciena Corporation released third-quarter fiscal 2026 results on September 3 that demonstrated substantial growth across its networking business. The company posted revenue of $1.67 billion, representing a 37% year-over-year increase, while adjusted earnings per share more than tripled to $2.11. The backlog reached $8.5 billion, with the company projecting it would surpass $10 billion by the end of fiscal 2026.
The expansion was concentrated in areas tied to artificial intelligence infrastructure buildout. Optical networking revenue rose 46% to $1.19 billion, cloud provider revenue grew more than 80%, and interconnects revenue more than doubled. The company’s reconfigurable line systems, which command approximately 70% of the disaggregated line system market, are being deployed to link data centers for distributed AI training. Management indicated that shipments of WaveLogic 5 Nano pluggable optics doubled sequentially, while the next-generation Hyper-Rail platform is expected to generate several hundred million dollars in revenue during fiscal 2027.
Profitability metrics improved significantly with adjusted gross margin reaching 46.4% and adjusted operating margin hitting 22.5%, both company records. The company guided to an operating margin as high as 27% for fiscal 2027 on projected revenue of at least $8.3 billion. However, achieving this performance required operational adjustments, including long-term component agreements through 2029 to secure supply and elevated inventory levels to support order fulfillment.
Certain structural factors warrant monitoring going forward. Two customers each represented more than 10% of revenue, collectively accounting for 41.7% of total sales, creating concentration risk. Tariffs present an additional headwind, with the Canadian tariff regime flagged as a potential $10 million quarterly impact. Additionally, roughly 70 basis points of the reported gross margin came from a tariff refund rather than underlying business performance.
Market positioning reflected investor confidence in the company’s trajectory. Hedge fund ownership increased from 73 to 81 funds in the recent quarter, while short interest remained modest at 3.71% of float. The forward price-to-earnings multiple stood at 40.49 as of September 11, reflecting expectations that growth would continue at recent levels.
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