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    CIEN
    Earnings call· Nov 2025(Q4 FY25)

    CIENA CORP CIEN

    Dec 11, 2025 Source

    Executive summary

    Ciena Q4 FY25 — Record Revenue and Accelerated AI-Driven Demand

    Ciena delivered record Q4 and full-year results, driven by accelerating AI-related demand from hyperscalers and service providers. The company significantly raised its FY26 revenue and operating margin guidance, reflecting robust order intake and strong backlog. Strategic investments in high-speed connectivity and capacity expansion position Ciena for sustained multi-year growth in the AI ecosystem.

    Highlights

    5

    • Record Q4 revenue of $1.35 billion and full-year revenue of $4.77 billion.

    • Q4 EPS of $0.91, up 69% year-over-year, and full-year EPS of $2.64, up 45% year-over-year.

    • Record orders for the year of $7.8 billion, resulting in a record $5 billion backlog.

    • FY26 revenue guidance raised to $5.7 billion-$6.1 billion (24% growth at midpoint) from 17% previously.

    • FY26 operating margin guidance raised to 17% plus or minus 1 point from 15%-16% previously.

    Concerns

    3

    • Gross margin headwinds from ramping NPI products (800-gig pluggables) and rising input costs, expected to normalize late FY26.

    • Product delivery lead times extending due to unprecedented demand.

    • FY26 Capital Expenditures increased to $250 million-$275 million (up ~50% YoY) for capacity expansion and 3-nanometer mask sets.

    Guidance & targets

    10
    CategoryTargetConfidence
    Fiscal Year 2026 Revenue
    $5.7 billion to $6.1 billion
    high materiality
    High
    Fiscal Year 2026 Gross Margin
    43% plus or minus 1 point
    medium materiality
    Medium
    Fiscal Year 2026 Adjusted Operating Expense
    Flat at approximately $1.52 billion
    medium materiality
    High
    Fiscal Year 2026 Operating Margin
    17% plus or minus 1 point
    high materiality
    High
    Fiscal Year 2026 Capital Expenditures
    $250 million and $275 million
    medium materiality
    High
    Fiscal Year 2026 Share Repurchases
    approximately $330 million
    medium materiality
    High
    Fiscal First Quarter 2026 Revenue
    $1.35 billion to $1.43 billion
    high materiality
    High
    Fiscal First Quarter 2026 Adjusted Gross Margin
    43% and 44%
    medium materiality
    High
    Fiscal First Quarter 2026 Adjusted Operating Expenses
    approximately $380 million
    medium materiality
    High
    Fiscal First Quarter 2026 Operating Margin
    15.5% to 16.5%
    medium materiality
    High

    Segment performance

    4
    SegmentRevenueYoYQoQMargin
    Optical Business
    Driven by strength in RLS (Routing and Line System).
    RLS growth YoY: 72%
    		—19%——
    Routing and Switching Business
    DCOM opportunity driving much of the growth in the 3000 and 5000 series products.
    3000 and 5000 series product revenue: Doubled on a combined basis
    		—49%——
    Global Services
    Strong quarter driven by advisory, enablement, installation, and implementation services.
    Advisory and enablement growth YoY: 53%Installation and implementation services growth YoY: 45%
    		—25%——
    Blue Planet
    Achieved record revenue in Q4 and FY25, and full-year profitability.
    Fiscal Year 2025 Revenue: $115M
    		$34M——Profitable

    Operational metrics

    24
    Revenue
    $1.35BUp 20% YoY
    Q4 FY25

    Record fiscal fourth quarter revenue.

    Annual Revenue
    $4.77BUp 19% YoY
    FY25

    Record full year revenue.

    Adjusted Gross Margin
    43.4%Up 90 bps sequentially
    Q4 FY25

    Exceeded guide by 90 basis points, largely due to higher revenue and software mix.

    Adjusted Gross Margin
    42.7%
    FY25

    Full year adjusted gross margin.

    Adjusted Operating Expense
    $409M
    Q4 FY25

    Excluding higher incentive compensation, achieved in-line OpEx.

    Adjusted Operating Expense
    $1.51B
    FY25

    Underspent slightly for the year, reflecting disciplined approach.

    Adjusted Operating Margin
    13.2%Up 250 bps sequentially, 320 bps YoY
    Q4 FY25

    Strong improvement in operating margin.

    Operating Margin
    11.2%Up 150 bps from FY24
    FY25

    Full year operating margin.

    Adjusted EPS
    $0.91Up 69% YoY
    Q4 FY25

    Strong Q4 earnings per share.

    Adjusted EPS
    $2.64Up 45% YoY
    FY25

    Healthy full year adjusted EPS.

    Cash and investments balance
    $1.4B
    FY25 end

    Balance at the end of the fiscal year.

    Cash conversion cycle
    Improved by 34 daysSequentially
    Q4 FY25

    Improved largely on faster collections and improved inventory days.

    Inventory turns
    Improved by 0.4 of a turn
    Q4 FY25

    Improvement in inventory management.

    Share repurchase
    $330M
    FY25

    Completed the first year of the most recent $1 billion stock repurchase authorization.

    Capital expenditures
    $140M
    FY25

    Invested in the business focused on developing next-generation products and enabling capacity.

    Pluggable revenue
    >$168MMore than doubled FY24 revenue
    FY25

    Surpassed target of more than doubling FY24 pluggable revenue.

    In and around the data center opportunities growth
    Grew threefold
    FY24 to FY25

    Major contributor to FY26 expected growth rate.

    Service provider orders growth
    Up nearly 70%YoY
    FY25

    Strong growth in service provider orders.

    Top 3 service providers revenue growth
    16%
    FY24 to FY25

    Revenue growth from top service provider customers.

    Implementation services revenue growth
    34%
    FY25

    Accelerated implementation services revenue.

    Optical market share gain
    2 points
    YTD

    Continued to grow and extend overall leadership, with further gains expected in 2026.

    Net impact of tariffs
    immaterial
    Q4 FY25

    Company continues to mitigate most of the impacts of tariffs as currently constructed.

    10% revenue customers
    3
    Q4 FY25

    Customer concentration for the quarter.

    10% revenue customers
    2
    FY25

    Customer concentration for the full year.

    Industry KPIs

    9
    MetricValueDetails
    Capital return$330MUSD
    Backlog order book$5BUSD
    Orders backlog quality$7.8BUSD
    Product orders order growthUp nearly 70%%
    Ai cloud infrastructure orders—
    Recurring software service revenue$115MUSD
    Revenue mix by product customer type—
    Design wins product cycle transitions—
    Front end vs back end scale up vs scale across mGrew threefold

    Orderbook & backlog

    3
    Orders$7.8BFY25

    Record orders for the year.

    Backlog$5BFY25 end

    Record backlog entering FY26. Approximately $3.8 billion is hardware and software, with the remaining being services.

    Q1 FY26 Supply StatusEssentially sold outQ1 FY26

    If we had more supply, we'd be able to sell more.

    Product announcements

    5
    ProductTypeDetails
    WaveLogic 6 Nano 800-gig pluggableslaunch
    800 ZR plugsmilestone
    Nubis Communications productsroadmap
    Scale-across architectureexpansion
    DCOM solutionexpansion

    Deals & partnerships

    5
    Nubis CommunicationsAcquisition to supplement Interconnects portfolio and address scale-up/scale-out opportunities inside the data center.

    Completed the cash purchase of Nubis, bringing in technologies and expertise to address scale-up and scale-out opportunities inside the data center.

    Major Hyperscaler and 2 Service ProvidersLarge Managed Optical Fiber Network (MOFN) project.

    Recently won and are working to deploy a large MOFN project in India with two service providers for a major hyperscaler.

    Multiple HyperscalersAdoption of optical solutions for scale-across training applications.Multi-year

    Two more major hyperscalers have chosen Ciena's optical solutions for their scale-across training applications, in addition to an existing hyperscaler extending its architecture. These are U.S.-centric projects involving massive fiber commitments.

    MetaExpansion of DCOM (Out-of-Band network management) business.Hundreds of millions of dollarsMulti-year

    DCOM business with Meta has expanded as they plan to deploy in multiple new data centers. This solution was initially designed with Meta to meet hyperscale requirements.

    Additional HyperscalersAdvanced technical discussions for DCOM solution deployment.

    Engaged in advanced technical discussions with additional hyperscalers to deploy the DCOM solution in their data centers, with expected wins and adoptions during the year.

    Risks & headwinds

    3
    Gross margin headwinds from NPI ramp and input costsFiscal Year 2026

    Expected to normalize late FY26

    Mitigation: Yield economics on 800-gig pluggables, pricing actions on new orders, supply rebalancing, designing costs out.

    Product delivery lead times extending

    Varies by specific product areas, generally extended in optical infrastructure.

    Mitigation: Proactively expanding capacity, increasing CapEx by 50% in FY26 to support demand into FY27, working closely with key suppliers to secure supply.

    Increased Capital ExpendituresFiscal Year 2026

    $250M-$275M for FY26 (up ~50% YoY)

    Mitigation: Investment is for supporting robust demand in late 2026 and into 2027, as well as incremental costs for 3-nanometer mask sets.

    What to watch in Q1 FY26

    5

    Gross Margin Trajectory

    FY26
    Current43.4% (Q4 FY25 adjusted gross margin)
    TargetSequential improvement, with H2 FY26 higher than H1 FY26.

    Why it matters

    Gross margin improvement is key to achieving the raised operating margin target, driven by 800-gig pluggable yield economics and pricing actions.

    All told, I expect year-over-year gross margin improvements with second half margins being higher than first half margins.

    Q&A highlights

    8

    How much of the new hyperscaler and scale-across wins are already incorporated into the updated FY26 guidance?

    Marc Graff confirmed that all new opportunities, including the tripling of 'in and around data center' revenue contribution, are fully included in the FY26 guidance. Gary Smith added that initial revenue from new hyperscaler scale-across wins is expected in FY26, with significant ramp in FY27-FY28.

    “they are all in the guide. If you think about the in and around data center, which many of the wins that Gary talked about include, we're seeing nearly a tripling of the percent of revenue from what we saw in 2025 of low single digits to the percent of revenue that we have in 2026's guide of low double digits.”

    asked by Ruben Roy · answered by Marc Graff

    2 min read6 chapters

    Detailed Narrative

    01

    AI-Driven Demand Acceleration

    Ciena is experiencing unprecedented🌐 demand driven by AI, particularly from cloud providers and service providers. Cloud providers, including hyperscalers and neoscalers, are scaling their networks dramatically as AI traffic needs to leave data centers for monetization. Service providers are reinvesting in transport infrastructure, fueled by enterprise cloud demand and Managed Optical Fiber Networks (MOFN) for hyperscalers. This broad-based demand is accelerating faster than anything the industry has seen, positioning Ciena for sustained growth.

    02

    Market Share Gains and Backlog Strength

    The company reported record orders of $7.8 billion for fiscal year 2025, leading to a record backlog of $5 billion, with approximately $3.8 billion in hardware and software. This strong demand has allowed Ciena to gain 2 points of optical market share year-to-date, with further gains expected in 2026. The substantial backlog provides exceptional visibility and confidence in the multi-year outlook, with Q1 FY26 already essentially sold out.

    03

    "In and Around the Data Center" Opportunity Expansion

    Ciena's opportunities "in and around the data center" grew threefold from fiscal year 2024 to 2025 and are a major contributor to fiscal year 2026 growth. This segment includes interconnects (ZR/ZR+ pluggables, optical components), scale-across architectures linking geographically dispersed AI training clusters, and Out-of-Band network management (DCOM). These areas address critical connectivity requirements for scaling AI workloads within and between data centers.

    04

    Product Innovation and Strategic Wins

    The company shipped WaveLogic 6 Nano 800-gig pluggables for initial revenue and has shipped 800 ZR plugs to three additional cloud providers for testing and certification. The acquisition of Nubis Communications enhances the interconnects portfolio, with first products expected in fiscal year 2026. Multiple hyperscalers have chosen Ciena's optical solutions for scale-across training applications, and the DCOM business with Meta has expanded, with discussions ongoing with other hyperscalers.

    05

    Operational Discipline and Capacity Investments

    Ciena improved its cash conversion cycle by 34 days sequentially and generated $371 million in cash from operations in Q4. The company is increasing capital expenditures by 50% in fiscal year 2026 to $250 million-$275 million to expand capacity for robust demand into 2027 and invest in 3-nanometer mask sets. Despite these investments, operating expenses are expected to remain flat in fiscal year 2026, demonstrating disciplined management.

    06

    Gross Margin Trajectory and Mitigation Efforts

    Q4 adjusted gross margin improved sequentially to 43.4%, exceeding guidance by 90 basis points, driven by higher revenue and software mix. While ramping New Product Introduction (NPI) products like 800-gig pluggables and rising input costs present near-term headwind📎s, management expects year-over-year gross margin improvements. Second-half margins are projected to be higher than the first half, driven by yield economics on 800-gig pluggables and pricing actions on new orders.

    AI-generated summary of the company’s earnings call. Not investment advice.