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 | 2026-06-10 |
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 Q2 2026 (ended May 2, 2026) (reported 2026-06-04)
Ciena posted revenue of $1.57 billion, up 39.5% year over year, with adjusted EPS of $1.64 (up 290%), adjusted gross margin of 44.9%, and adjusted operating margin of 19.5%; two customers each topped 10% of revenue for a combined 34.0%.
| Revenue | $1.57B +39.5% YoY |
|---|---|
| Adjusted EPS | $1.64 +290% YoY |
| GAAP EPS | $1.49 · vs $0.06 a year earlier |
| Adjusted gross margin | 44.9% |
| Adjusted operating margin | 19.5% · vs 8.2% a year earlier |
| Top-customer concentration | 34.0% · two customers each over 10% of revenue |
Revenue by segment
| Optical Networking (Networking Platforms) | $1,099.8M · 70.0% of revenue |
|---|---|
| Routing & Switching (Networking Platforms) | $174.2M · 11.1% of revenue |
| Platform Software & Services | $93.9M · 6.0% of revenue |
| Blue Planet Automation Software | $23.4M · 1.5% of revenue |
| Global Services | $179.4M · 11.4% of revenue |
Guidance: Full-year FY2026 (raised at Q2) & fiscal Q3 2026
| FY2026 revenue | $6.3B ± $100M · raised; ≈ +32% YoY at midpoint |
|---|---|
| FY2026 adjusted operating margin | 19% ± 50bps |
| Fiscal Q3 2026 revenue | $1.625B ± $50M |
| Fiscal Q3 2026 adjusted gross margin | 45% ± 50bps |
Recent & upcoming events
- · Fiscal Q2 2026 results, FY26 guidance raised again. Revenue rose 39.5% to $1.57B with adjusted EPS up 290% to $1.64; Ciena raised FY2026 revenue guidance to $6.3B ± $100M (≈ +32% YoY at midpoint) on AI-driven demand for high-speed connectivity. (source)
- · 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)
Figures reflect fiscal Q2 2026 (ended May 2, 2026), reported June 4, 2026 per the SEC 8-K press release; segment values are Q2 FY2026.
Figures are as of 2026-06-10 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 Q2 2026, optical networking alone was 70% of revenue, $1,099.8 million of $1,570.7 million (SEC 8-K, Jun 4, 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 Q2 2026 (the quarter ended May 2, 2026), Ciena posted revenue of $1.57 billion, up 39.5% year over year, with adjusted EPS of $1.64, up 290%, GAAP EPS of $1.49, adjusted gross margin of 44.9%, and adjusted operating margin of 19.5% (SEC 8-K, Jun 4, 2026). That followed a record fiscal Q1 in which revenue rose 33% to $1.43 billion and the order backlog swelled to about $7 billion (SEC 8-K, Mar 5, 2026).
Our long-term strategy to be the global leader in high-speed connectivity, both across the WAN and in and around the data center, is tightly aligned to the structural, multi-year opportunities created by AI-driven demand.
— Gary Smith, President & CEO, Ciena (fiscal Q2 2026 results)
What is Ciena’s guidance?
At the June 4, 2026 report, Ciena raised its full-year FY2026 outlook again, to revenue of $6.3 billion ± $100 million, about 32% growth at the midpoint, with adjusted operating margin of roughly 19%. For fiscal Q3 2026 it guided to revenue of $1.625 billion (± $50 million) and adjusted gross margin near 45% (SEC 8-K). The prior raise, to $5.9–6.3 billion, had come only one quarter earlier, a sign of how fast AI demand is compounding.
How does Ciena make money?
Ciena’s revenue is dominated by hardware but increasingly supported by recurring software and services. In fiscal Q2 2026 the mix was: optical networking ($1,099.8M, 70.0%), routing & switching ($174.2M, 11.1%), platform software & services ($93.9M), Blue Planet automation ($23.4M), and global services ($179.4M, 11.4%) (SEC 8-K). 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. Two customers each exceeded 10% of revenue in fiscal Q2 2026, together 34.0% of the total (it was three customers and about 47% in fiscal Q1).
- Margin mix. A heavier tilt toward lower-margin hyperscaler optical hardware can pressure gross margin versus historical peaks.
Related securities, concepts & terms
- AI Infrastructure parent
- Optical Networking & Photonics parent
- 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.
These references describe index-tracking relationships as a matter of fact and are not a recommendation to buy any product. Akros, as the index provider, may receive licensing fees from product sponsors. Review the product's prospectus before investing.
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 70% of its fiscal Q2 2026 revenue ($1,099.8 million of $1,570.7 million).
When does Ciena report its next earnings?
Ciena is expected to report fiscal Q3 2026 results around September 3, 2026. That date is calendar-estimated, so confirm it on investor.ciena.com. Ciena last reported fiscal Q2 2026 on June 4, 2026.
What was Ciena's latest quarterly revenue?
Ciena reported revenue of $1.57 billion in fiscal Q2 2026 (the quarter ended May 2, 2026), up 39.5% year over year, with adjusted EPS of $1.64 (up 290%), GAAP EPS of $1.49, and adjusted gross margin of 44.9%. Optical networking alone was $1,099.8 million, 70% of total revenue.
What is Ciena's FY2026 revenue guidance?
At its fiscal Q2 2026 report on June 4, 2026 Ciena raised full-year FY2026 revenue guidance to $6.3 billion plus or minus $100 million, about 32% growth at the midpoint, with adjusted operating margin of roughly 19%. For fiscal Q3 2026 it guided to revenue of $1.625 billion plus or minus $50 million.
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 second quarter 2026 results (SEC 8-K, Exhibit 99.1) · Ciena Corporation / SEC EDGAR, 2026-06-04
- 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