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    LITE
    Earnings call· Mar 2026(Q3 FY26)

    Lumentum Holdings Q3 FY26 earnings call LITE

    May 5, 2026 Source

    Executive summary

    Lumentum Q3 FY26 — Record Revenue and Significant Margin Expansion Driven by AI/Cloud Demand

    Lumentum delivered record Q3 FY26 results, driven by robust demand for its transceiver business and laser chips, particularly from AI and cloud customers. The company achieved significant non-GAAP operating margin expansion, fueled by a rich product mix and improved factory utilization. Despite strong growth, Lumentum faces substantial supply constraints across key product lines, necessitating aggressive capacity expansion and strategic vertical integration efforts to meet surging demand and capitalize on future opportunities in CPO and OCS.

    Highlights

    5

    • Revenue grew 90% year-over-year to a record $808 million.

    • Non-GAAP operating margin expanded over 2,100 basis points year-over-year to 32.2%.

    • Components revenue increased 77% year-over-year to $533.3 million.

    • Systems revenue increased 121% year-over-year to $275.1 million.

    • EML units are on track to achieve more than 50% growth by December quarter of 2026 compared to December quarter of 2025.

    Concerns

    4

    • Supply constraints on critical components keep transceiver shipments well below customer demand, with a supply-demand imbalance in the 'ZIP code' of 30%.

    • OCS ramp is gated by the supply chain, experiencing considerable tightness due to a significant step-up in requested output.

    • EML supply-demand imbalance is greater than 30%, with customers seeking to significantly increase demand.

    • Pump laser supply-demand imbalance is certainly greater than 30%, requiring Lumentum to make choices on allocation.

    Guidance & targets

    12
    CategoryTargetConfidence
    Net Revenue
    $960 million to $1.01 billion
    high materiality
    High
    Non-GAAP Operating Margin
    35% to 36%
    high materiality
    High
    Diluted Net Income per Share
    $2.85 to $3.05
    high materiality
    High
    Non-GAAP Annual Effective Tax Rate
    16.5%
    medium materiality
    High
    Shares Used for Non-GAAP Diluted Earnings
    approximately 102 million shares
    medium materiality
    High
    EML Units Growth
    more than 50% growth
    high materiality
    High
    CPO Ultra-High-Power Laser Chip Revenue
    meaningful revenue
    high materiality
    High
    CPO Ultra-High-Power Laser Chip Purchase Order Fulfillment
    multi-hundred million dollar purchase order
    high materiality
    High
    OCS Shipments
    $400 million
    medium materiality
    Medium
    Greensboro Fab Online Date
    early 2028
    medium materiality
    High
    Greensboro Fab Incremental Revenue Opportunity
    greater than $5 billion
    high materiality
    Medium
    Quarterly Revenue Goal
    $2 billion
    high materiality
    High

    Segment performance

    4
    SegmentRevenueYoYQoQMargin
    Components
    Revenue increased sequentially and year-over-year, driven by strong demand for narrow linewidth laser assemblies and pump lasers.
    		$533.3 million77%20%—
    Systems
    Revenue increased sequentially and year-over-year, primarily driven by cloud transceivers leveraging expanded manufacturing in Thailand.
    		$275.1 million121%24%—
    Industrial Lasers
    Performance remained muted, with revenue approximately flat sequentially.
    		——approximately flat—
    Cable Access
    Shipments declined quarter-over-quarter due to customer and timing factors.
    		——declined—

    Operational metrics

    22
    Non-GAAP Gross Margin
    47.9%up 540 bps sequentially and up 1,270 bps year-on-year
    Q3 FY26

    Demonstrates leverage of the business model.

    Non-GAAP Operating Margin
    32.2%up 700 bps sequentially and up 2,140 bps year-on-year
    Q3 FY26

    Achieved while continuing to invest in critical R&D programs and maintaining rigorous cost controls.

    Non-GAAP Operating Profit
    $260.7 million
    Q3 FY26

    Reflects strong operating leverage.

    Adjusted EBITDA
    $293.5 million
    Q3 FY26

    Strong profitability metric for the quarter.

    Non-GAAP Operating Expenses
    $126.2 millionup $11.3 million from Q2 and up $22.8 million from prior year
    Q3 FY26

    Increased in support of expanding cloud opportunities.

    Non-GAAP SG&A Expense
    $47.8 million
    Q3 FY26

    Part of total operating expenses.

    Non-GAAP R&D Expense
    $78.4 million
    Q3 FY26

    Investment in critical R&D programs serving cloud and AI customers.

    Non-GAAP Interest and Other Income
    $9.6 million
    Q3 FY26

    Reported on a non-GAAP basis.

    Non-GAAP Net Income
    $225.7 million
    Q3 FY26

    Strong bottom-line performance.

    Non-GAAP Diluted Net Income per Share
    $2.37
    Q3 FY26

    Above prior expectation range.

    Diluted Weighted Shares
    95.2 million
    Q3 FY26

    Used for non-GAAP EPS calculation.

    Cash and Short-Term Investments
    $3.17 billionincreased by $2.02 billion sequentially
    Q3 FY26

    Increase primarily driven by NVIDIA's direct investment.

    Inventory Levels
    increased by $62 millionsequentially
    Q3 FY26

    To support expected growth in cloud and AI-related revenue.

    CapEx
    $125 million
    Q3 FY26

    Primarily focused on manufacturing capacity to support cloud and AI customers.

    Narrow linewidth laser assemblies shipments growth
    over 120%year-over-year
    Q3 FY26

    Ninth consecutive quarter of growth.

    Pump laser shipments growth
    80%year-over-year
    Q3 FY26

    Strong growth in critical components for scale-across networks.

    Laser chips shipped
    twice the numberyear-over-year
    Q3 FY26

    Reflects surging customer demand.

    CW lasers for internal use
    began supplying
    Q3 FY26

    For internal use in cloud transceiver business.

    CW lasers in modules
    about 20%
    Q4 FY26

    Expected percentage of modules in the Q4 guide to have Lumentum's own CW lasers.

    EML supply-demand imbalance
    greater than 30%
    Q3 FY26

    Indicates significant unmet demand, higher than previously reported.

    Pump laser supply-demand imbalance
    greater than 30%
    Q3 FY26

    Unanticipated and significant undershipping of demand.

    CPO scale-up incremental revenue opportunity
    greater than $5 billion
    Long-term

    Expected if Lumentum executes properly on the CPO scale-up.

    Industry KPIs

    9
    MetricValueDetails
    Capital return—
    Backlog order bookeffectively sold out
    Customer concentration—
    Orders backlog quality—
    Product orders order growthmore than 50%%
    Ai cloud infrastructure ordersmulti-hundred million dollarUSD
    Revenue mix by product customer typeComponents: $533.3 million; Systems: $275.1 millionUSD
    Design wins product cycle transitions—
    Front end vs back end scale up vs scale across m—

    Orderbook & backlog

    5
    EML componentseffectively sold outQ3 FY26

    Sold out for the foreseeable future, indicating strong demand and backlog.

    Pump laserseffectively sold outQ3 FY26

    Sold out for the foreseeable future, indicating strong demand and backlog.

    Wafer fab capacity (Japan)fully allocatedQ3 FY26

    Fully allocated to meet surging customer demand for laser chips.

    CPO Ultra-High-Power Laser Chip Purchase Ordermulti-hundred million dollarQ3 FY26

    Slated for fulfillment in the first half of calendar year 2027.

    OCS Purchase Agreementmultiyear, multibillion-dollarQ3 FY26

    Recently announced, ensuring sustained long-term growth for OCS.

    Product announcements

    1
    ProductTypeDetails
    1.6T-speed transceiver shipmentslaunch

    Deals & partnerships

    1
    NVIDIAdirect investment

    NVIDIA made a direct investment in Lumentum, significantly boosting Lumentum's cash and short-term investments.

    Capital programs

    1
    Fifth Indium Phosphide Fab in Greensboro, NCunderway
    Start: mid-March (acquisition announced)

    Benefit: capacity needed for years of future growth

    Acquisition announced mid-March, grand opening days ago. Plans to convert the facility from gallium arsenide to indium phosphide are well underway. Expected to add significant incremental revenue (>$5 billion) but not online until early 2028.

    Risks & headwinds

    3
    Supply constraints on critical componentsForeseeable future

    Transceiver shipments well below customer demand; EML supply-demand imbalance >30%; pump laser supply-demand imbalance >30%.

    Mitigation: Actively working to secure long-term agreements; ramping capacity for EMLs (50% growth by Dec Q26) and pump lasers (over next 4 quarters); in-sourcing CW lasers; investing $125M in CapEx for manufacturing capacity.

    OCS ramp gated by supply chainNear-term to 2027

    Considerable tightness due to significant step-up in requested output.

    Mitigation: Assigning key personnel (CFO) to manage supply chain; outlining $400M in shipments for H2 FY26; working on new architectures and cost reduction to maintain competitive position.

    Roadmap tension from new OCS opportunitiesOngoing

    Number of new opportunities putting tension on the roadmap.

    Mitigation: Making choices across the company to service opportunities; working aggressively to drive new designs with added differentiation, different port counts, and configurations.

    Q&A highlights

    8

    What are the supply-demand dynamics for EMLs and lasers, and Lumentum's ability to ramp production to meet demand?

    Lumentum is still significantly lagging demand for EMLs and lasers, with the supply-demand imbalance now greater than 30%. While near-term ramp is largely within Lumentum's control, securing substrates for 2027 will require continued effort. The company is actively increasing supply, expecting a 50% increase in EML supply by December 2026 compared to December 2025.

    “The supply-demand imbalance is probably even higher than we reported in our last call, somewhere greater than 30%.”

    asked by Ryan Koontz · answered by Michael E. Hurlston

    2 min read5 chapters

    Detailed Narrative

    01

    AI/Cloud Demand and Product Mix Driving Growth

    Lumentum's record Q3 FY26 revenue of $808 million was primarily driven by strong demand in its transceiver business and laser chips, catering to AI and cloud customers. The company highlighted the significant role of its scale-across portfolio, which includes pump lasers, narrow linewidth laser assemblies, and WSS, in enabling distributed data center architectures. These components are crucial for high-bandwidth synchronization and optical traffic management, contributing significantly to gross and operating margin expansion due to their rich product mix and strong operating leverage.

    02

    Capacity Expansion and Supply Chain Challenges

    To meet surging customer demand, Lumentum is actively ramping its manufacturing capacity. The Japan wafer fab capacity is fully allocated, and the company is on track for over 50% growth in EML units by December 2026. The ultra-high-power laser chip manufacturing ramp for CPO applications is also proceeding as planned, with meaningful revenue expected in the December quarter and a multi-hundred million dollar purchase order for H1 CY27. However, supply constraints on critical electrical components and laser diodes continue to limit transceiver shipments, and the OCS ramp is gated by supply chain tightness.

    03

    Strategic Vertical Integration and ELS Opportunity

    Lumentum is pursuing a strategy of vertical integration to enhance margins and secure supply. This includes the in-sourcing of CW lasers for its transceiver business, with approximately 20% of Q4 FY26 modules expected to utilize internal CW lasers. The company also sees a significant opportunity in vertically integrated ELS (External Laser Source) modules for CPO applications, particularly for non-primary customers less familiar with optics. Management believes this approach offers a more convincing and shorter path to market than solely supplying lasers.

    04

    OCS Market Opportunities and Roadmap Tension

    The company has secured a multiyear, multibillion-dollar purchase agreement for OCS and is actively engaging with multiple customers for additional wins, which are expected to be substantial. The number of new opportunities for optical switches is creating tension on Lumentum's roadmap, requiring choices to service diverse demands. While the OCS ramp is largely on track, its pace and slope are gated by supply chain constraints, making it one of the company's biggest and most challenging ramps.

    05

    Sustained Focus on Margin Enhancement

    Lumentum's non-GAAP gross margin expanded by 1,270 basis points year-over-year to 47.9%, and non-GAAP operating margin by 2,140 basis points to 32.2%. This improvement is attributed to better factory absorption, a favorable product mix (especially data center laser chips), and increased pricing on select products. The management team remains highly focused on further margin expansion, leveraging pricing flexibility due to supply-demand imbalances and optimizing the product portfolio by discontinuing less profitable lines.

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