Ciena (CIEN)
Ciena (CIEN) builds the optical networking systems that move data across long-haul, metro, and data-center-interconnect links for carriers and hyperscalers. In ETFpedia it represents the Optical Networking & Photonics concept, because AI’s bandwidth boom runs straight through the optical gear Ciena sells, and its order backlog has swelled as a result.
| Ticker | CIEN |
|---|---|
| Exchange | NYSE |
| Sector | Technology · Optical Networking Systems |
| Country | United States |
| Held by ETF | KODEX US AI Optical Communication Network ETF (0173Y0) |
| Last updated | 2026-06-04 |
Next event:Next earnings · fiscal Q3 2026, estimated · Date is calendar-estimated (Q3 FY2026 ends ~Aug 2026); confirm on Ciena IR. Last report: fiscal Q2 2026 on 2026-06-04. (source)
Latest reported quarter:Fiscal Q1 2026 (ended Jan 31, 2026) (reported2026-03-05)
Ciena posted record revenue of $1.43 billion, up 33% year over year, with adjusted EPS of $1.35 (up 111%) and an order backlog of about $7 billion after orders outpaced revenue for the quarter.
| Revenue | $1.43B+33%YoY · company record |
|---|---|
| Adjusted EPS | $1.35+111%YoY |
| GAAP EPS | $1.03 |
| Adjusted gross margin | 44.7% |
| Order backlog | ~$7.0B · up ~$2B in the quarter |
Revenue by segment
| Optical Networking (Networking Platforms) | $1,023.2M · 71.7%of revenue |
|---|---|
| Routing & Switching (Networking Platforms) | $126.0M · 8.8%of revenue |
| Platform Software & Services | $93.3M · 6.5%of revenue |
| Blue Planet Automation Software | $20.4M · 1.5%of revenue |
| Global Services | $164.1M · 11.5%of revenue |
Guidance:Full-year FY2026 (raised at Q1) & fiscal Q2 2026
| FY2026 revenue | $5.9B–$6.3B · ≈ +28% YoY at midpoint |
|---|---|
| FY2026 adjusted operating margin | 17.5%–19.5% |
| Fiscal Q2 2026 revenue | $1.5B ± $50M |
Recent & upcoming events
- · Record fiscal Q1 2026 results, FY26 guidance raised.Revenue rose 33% to a record $1.43B; adjusted EPS up 111%; order backlog grew ~$2B in the quarter to ~$7B as AI-driven demand outstripped supply. (source)
- · Vodafone Idea deploys WaveLogic 6 Extreme.Indian data-center-interconnect deployment on the Ciena 6500 platform reached 1.6 Tb/s per channel, targeting AI, hyperscaler and neoscaler traffic. (source)
Fiscal Q2 2026 results (expected June 4, 2026) were not yet public as of 2026-06-03; figures above reflect fiscal Q1 2026.
Figures are as of 2026-06-03 and reflect the most recent public filings/IR releases; they are updated after each earnings report.
What does Ciena do?
Ciena sells the boxes and software that carry data over distance: optical transport for long-haul and metro networks, the data-center interconnect (DCI) that links sites together, and the Blue Planet software that automates them. Its customers are carriers, cloud providers, and large enterprises. The core engine is its WaveLogic 6 Extreme coherent optics, the industry’s first 1.6 Tb/s single-carrier modems, built on 3nm silicon, which let operators push far more capacity down existing fiber. In fiscal Q1 2026, optical networking alone was about 72% of revenue (SEC 8-K, Mar 5, 2026).
How is AI driving Ciena’s business?
AI clusters do not sit in one room; they span buildings and regions, and the data between them moves on optical links. As models scaled, that traffic, and the need to connect AI training sites, pushed Ciena’s order book sharply higher. The company exited fiscal Q1 2026 with an order backlog of about $7 billion, up roughly $2 billion in a single quarter, and management said demand is now outstripping supply (earnings call, Mar 5, 2026).
We have now got three hyperscalers deploying us for training, and we are at the very, very early stages of that.
— Gary Smith, President & CEO, Ciena (fiscal Q1 2026 earnings call)
A concrete example arrived on March 31, 2026, when Vodafone Idea deployed WaveLogic 6 Extreme on the Ciena 6500 platform for its Indian data-center-interconnect network, reaching 1.6 Tb/s per channel for AI and hyperscaler workloads (Ciena newsroom).
What did Ciena report most recently?
In fiscal Q1 2026 (the quarter ended January 31, 2026), Ciena posted record revenue of $1.43 billion, up 33% year over year, with adjusted EPS of $1.35, up 111%, and an adjusted gross margin of 44.7% (SEC 8-K). The print would have been higher still but for supply constraints, a high-class problem in which demand, not orders, is the gating factor.
We delivered a very strong fiscal first quarter, driven by focused execution and unprecedented, broad-based demand as we enable customers to monetize their AI investments.
— Gary Smith, President & CEO, Ciena (fiscal Q1 2026 results)
What is Ciena’s guidance?
Alongside those results, Ciena raised its full-year FY2026 outlook to revenue of $5.9–6.3 billion, about 28% growth at the midpoint, with adjusted operating margin of 17.5–19.5%. For fiscal Q2 2026 it guided to roughly $1.5 billion (± $50 million) (SEC 8-K). Management framed the demand as durable “through 2026 and into 2027,” backed by the record backlog.
How does Ciena make money?
Ciena’s revenue is dominated by hardware but increasingly supported by recurring software and services. In fiscal Q1 2026 the mix was: optical networking ($1,023.2M, 71.7%), routing & switching ($126.0M), platform software & services ($93.3M), Blue Planet automation ($20.4M), and global services ($164.1M, 11.5%). The software and services lines carry higher margins and help smooth the hardware cycle.
What are the risks for Ciena?
- Supply-gated growth. Near-term upside depends on supply-chain execution; management said revenue would have been higher without component constraints.
- Cyclicality. Carrier and hyperscaler spending moves in waves, so orders can be lumpy even when backlog is high.
- Customer concentration. Three customers each exceeded 10% of revenue in fiscal Q1 2026, together about 47% of the total.
- Margin mix. A heavier tilt toward lower-margin hyperscaler optical hardware can pressure gross margin versus historical peaks.
Related securities, concepts & terms
- AI Infrastructureparent
- Optical Networking & Photonicsparent
- Coherent (COHR)sibling
- Lumentum (LITE)sibling
Related indices & ETFs
- KODEX US AI Optical Communication Network ETF (0173Y0) · Samsung Asset Management (KODEX)Tracks the Akros U.S. AI Optical index, which includes this company.
Frequently asked questions about Ciena
What does Ciena do?
Ciena builds optical networking systems, software, and services that move data over long-haul, metro, and data-center-interconnect links for carriers, cloud providers, and enterprises. Optical networking made up about 72% of its fiscal Q1 2026 revenue.
When does Ciena report its next earnings?
Ciena is expected to report fiscal Q2 2026 results on June 4, 2026. That date is analyst/calendar-estimated, so confirm it on investor.ciena.com. Ciena last reported fiscal Q1 2026 on March 5, 2026.
What was Ciena's latest quarterly revenue?
Ciena reported record revenue of $1.43 billion in fiscal Q1 2026 (the quarter ended January 31, 2026), up about 33% year over year, with adjusted EPS of $1.35 (up 111%) and adjusted gross margin of 44.7%. Optical networking alone was $1,023.2 million, about 72% of total revenue.
What is Ciena's FY2026 revenue guidance?
At its fiscal Q1 2026 report Ciena raised full-year FY2026 revenue guidance to $5.9–6.3 billion, roughly 28% growth at the midpoint, with adjusted operating margin of 17.5–19.5%.
How big is Ciena's order backlog?
Ciena exited fiscal Q1 2026 with an order backlog of about $7 billion, up roughly $2 billion in the quarter, as AI and hyperscaler demand pushed orders ahead of revenue.
Why is Ciena an AI optical networking play?
AI clusters span buildings and regions, and the data between them travels on the optical transport and data-center-interconnect gear Ciena sells. Management says three hyperscalers are now deploying Ciena for AI training networks, and backlog has swelled as a result.
Sources & references
- Ciena reports fiscal first quarter 2026 results (SEC 8-K, Exhibit 99.1) · Ciena Corporation / SEC EDGAR, 2026-03-05
- Ciena Corporation · investor relations and events · Ciena Corporation, 2026-06-02
- Ciena (CIEN) Q1 2026 earnings call transcript · The Globe and Mail / The Motley Fool, 2026-03-05
- Vodafone Idea Deploys Ciena's WaveLogic 6 Extreme to Deliver High-Capacity Connectivity · Ciena Corporation, 2026-03-31
- NYSE listed company information · CIEN · New York Stock Exchange, 2026-06-02