Ciena Reports Strong Q3 FY26 Results: Revenue Up 37% to $1.67B and Raises Full-Year Outlook

Ciena Corporation (NYSE: CIEN) Fiscal Q3 2026 Earnings Overview

Ciena Corporation filed Form 8-K under Item 2.02 and Item 9.01 disclosing financial results for its fiscal third quarter ended August 1, 2026, alongside forward guidance for Q4 and the full fiscal year 2026.

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Key Financial Highlights

• Revenue: Reported $1.671 billion, reflecting a 37.0% increase year-over-year compared to $1.219 billion in Q3 FY25.
• Gross Margin: GAAP gross margin reached 45.4% (up 410 bps YoY), while non-GAAP gross margin improved to 46.4% (up 450 bps YoY).
• Operating Profitability: Non-GAAP operating margin expanded significantly to 22.5% compared to 10.7% in the prior-year period.
• Net Earnings:
  • GAAP diluted EPS was $1.83 compared to $0.35 in Q3 FY25.
  • Non-GAAP adjusted EPS was $2.11, up 215% from $0.67 in Q3 FY25.
• EBITDA: Adjusted EBITDA rose 160.2% YoY to $411.1 million.

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Segment Performance Breakdown

• Networking Platforms: Totaled $1.356 billion (+44.0% YoY), accounting for 81.1% of total revenue.
  • Optical Networking: $1.191 billion (+46.1% YoY)
  • Routing and Switching: $164.4 million (+30.6% YoY)
• Platform Software and Services: $98.6 million (+9.6% YoY), representing 5.9% of total revenue.
• Blue Planet Automation Software and Services: $23.2 million (-16.5% YoY), representing 1.4% of total revenue.
• Global Services: $193.6 million (+20.8% YoY), representing 11.6% of total revenue.

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Forward Guidance

• Q4 FY2026 Outlook:
  • Revenue: $1.75 billion ± $50 million
  • Adjusted Gross Margin: 45.0% ± 50 bps
  • Adjusted Operating Expense: ~$415 million ± $10 million
  • Adjusted Operating Margin: 20.0% ± 50 bps
• Full-Year FY2026 Guidance Raised: Expected revenue of $6.42 billion ± $50 million, representing approximately 35% YoY growth at the midpoint.

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Balance Sheet & Capital Allocation

• Customer Concentration: Two customers each represented 10%+ of revenue, contributing a combined 41.7% of total quarterly revenue.
• Operating Metrics: Average Days Sales Outstanding (DSO) stood at 76 days; Inventory turns were 3.5.
• Share Repurchases: Repurchased ~0.4 million common shares for an aggregate amount of $171.7 million under the company's active $1.0 billion repurchase authorization.