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Illumina (ILMN) Q1 FY26 earnings call: guidance and Q&A

Earnings call· Mar 2026 (Q1 FY26)· Health Care· Apr 30, 2026

Source: earnings call transcript

Executive summary

Illumina Q1 FY26 — Strong Clinical Growth and NovaSeq X Demand Drive Raised Outlook

Illumina delivered a strong Q1 FY26, exceeding revenue, margin, and EPS guidance, driven by robust clinical market momentum and higher-than-expected NovaSeq X placements. The company raised its full-year outlook, reflecting confidence in its strategy and continued innovation on the NovaSeq X platform, despite ongoing caution in research markets and near-term inflationary pressures.

Highlights

5
  • Q1 revenue of $1.09 billion, up 4.8% year-over-year, came in $20 million above the midpoint of guidance.

  • Non-GAAP diluted EPS of $1.15 per share grew 19% year-over-year, approximately $0.10 above guidance midpoint.

  • Rest of World organic growth was 3.5%, above the high end of guidance, driven by sequencing consumables and instruments.

  • Clinical sequencing consumable demand grew 20% ex China for the second consecutive quarter.

  • Over 80 NovaSeq X placements in the quarter, approximately 20 more than Q1 2025, with strong demand in clinical markets.

Concerns

3
  • Sequencing consumables in research and applied declined 12% ex China, reflecting continued funding uncertainty.

  • Microarrays business was down 20% on a Rest of World organic basis, largely due to specific large direct-to-consumer customers.

  • Q2 operating margins are expected to be approximately 22%, reflecting a higher mix of instrument revenue, inflationary pressures from freight and electronic components, and a full quarter of SomaLogic.

Guidance & targets

CategoryTargetConfidence
Full-year 2026 Reported Revenue
$4.52 billion to $4.62 billion
high materiality
High
Full-year 2026 Acquired Revenue Contribution
1.5 to 2 points of growth
medium materiality
High
Full-year 2026 Currency Impact
approximately 1% of growth
medium materiality
High
Full-year 2026 Rest of World Organic Growth
2% to 4%
high materiality
High
Full-year 2026 Rest of World Organic Sequencing Consumables Growth
low to mid-single-digit growth
medium materiality
High
Full-year 2026 Clinical Consumables Growth
double digit to mid-teens
medium materiality
High
Full-year 2026 Research and Applied Consumables Growth
declining mid- to high single digits
medium materiality
High
Full-year 2026 Instrument Growth
flat to low single-digit growth year-over-year
medium materiality
High
Full-year 2026 Operating Margins
23.4% to 23.6%
high materiality
High
Full-year 2026 Non-GAAP Diluted EPS
$5.15 to $5.30
high materiality
High
Full-year 2026 EPS Growth (excluding SomaLogic)
12% at the midpoint
medium materiality
High
Q2 2026 Rest of World Organic Revenue Growth
4% to 6%
medium materiality
High
Q2 2026 Reported Revenue
$1.12 billion to $1.14 billion
medium materiality
High
Q2 2026 Non-GAAP EPS
$1.20 to $1.25
medium materiality
High
Q2 2026 Operating Margins
approximately 22%
medium materiality
High
2027 Revenue Growth Target
high single-digit revenue growth
high materiality
High
2027 Margin Expansion Target
continued margin expansion
high materiality
High
2027 EPS Growth Target
double-digit to teens EPS growth
high materiality
High
2026 Margin Expansion (excluding acquisitions)
approximately 350 basis points
medium materiality
High

Segment performance

SegmentRevenueYoYQoQMargin
Sequencing Consumables
High throughput volume drove most of the revenue growth as the NovaSeq X installed base continues to expand and utilization increased year-over-year. Clinical demand continues to expand, driven by new trials and information-rich sequencing-intensive tests. Research and applied declined due to funding uncertainty.
Rest of World organic growth: 5%Clinical sequencing consumable demand growth ex China: 20%Research and applied sequencing consumables decline ex China: 12%Volumes transitioned to NovaSeq X: 82%Revenue transitioned to NovaSeq X: 55%Research and applied volume on NovaSeq X: 90%Clinical volume on NovaSeq X: 76%
$726M4%——
Sequencing Instruments
Driven by increased sales of NovaSeq X, with strong demand especially in clinical markets, including several multiunit orders. The company was supply constrained on NovaSeq X units in Q1.
Rest of World organic growth: 10%NovaSeq X placements: >80 units
$118M9%——
Sequencing Service and Other
The timing of strategic partnerships and data deals can be lumpy in this segment as BioInsight scales up.
Rest of World organic growth: 5%
$151M7%——
Microarrays
Largely due to specific large customers in the direct-to-consumer segment.
Rest of World organic decline: 20%
————

ILMN operating KPIs by quarter

ILMN operating KPIs stated on its earnings calls, by fiscal quarter
KPI Dec 2024 Q4 FY24 Mar 2025 Q1 FY25 Sep 2025 Q3 FY25 Jun 2026 Q2 FY26Change vs prior quarter
NovaSeq X placements
91 We placed 91 instruments during the quarter, bringing the installed base to 630. Source: earnings call transcript
60+ Our NovaSeq X instruments continue to perform well, exceeding our expectations with another quarter of over 60 placements in Q1, following more than 90 placements in Q4. Source: earnings call transcript
55+ In Q3, we had another strong quarter for the NovaSeq X with more than 55 instruments placed in line with our goal of 50 to 60 placements per quarter. Source: earnings call transcript
95+ Rest of World organic revenue grew 8.1%, above the high end of our guidance and demand for NovaSeq X remained high more than 3 years after launch with more than 95 placements in the quarter. Source: earnings call transcript
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Operating figures the company stated on at least two of the calls shown, checked against each call's transcript. Click a figure to read the sentence. A dash means it was not stated that quarter.

Product announcements

ProductTypeDetails
TruPathlaunch
Spatial Transcriptomics Offeringlaunch
NovaSeq X 18-month Roadmaproadmap
BioInsightupdate
Billion Cell Atlasmilestone

Deals & partnerships

SomaLogic acquisition $363M net cash payment plus potential royalties and milestone payments

Acquisition closed on January 30. First milestone payment for achievement of certain 2025 targets.

Risks & headwinds

Research and academic market funding uncertainty Q1 FY26, expected to continue through FY26

Sequencing consumables in research and applied declined 12% ex China.

Mitigation:Investing in leading technologies (proteomics, single cell, spatial) to drive long-term adoption. Expect return to growth when funding uncertainties ease.

Microarrays business decline Q1 FY26

Down 20% on a Rest of World organic basis.

Mitigation:Attributed to specific large direct-to-consumer segment customers, implying a specific customer issue rather than broad market decline.

Inflationary pressures Q2 FY26 and near-term

Impact on Q2 operating margins, specifically freight costs and higher cost of electronic components.

Mitigation:Taking several mitigating actions to fully offset the impact during the year, reflected in implied margin improvement for the rest of the year.

NovaSeq X supply constraints Q1 FY26, continuing into Q2 and Q3

Supply constrained on the number of NovaSeq X units that were placed in Q1.

Mitigation:Investing to scale the supply of NovaSeq X units, with progress expected through Q2 and into Q3.

Q&A highlights

Given the strong Q1 beat and positive trends in instruments and clinical, why wasn't the full-year organic revenue guidance raised more significantly?

Management stated that raising guidance after only one quarter, even by $20 million (0.5 point), demonstrates confidence and positions them towards the higher end of the previously stated range. They indicated no additional cautiousness beyond what was already factored into the initial guidance.

“we are leaning in by raising both the top line and the bottom line early -- very early in the quarter. So I think we're signaling all the right things here.”

asked by Vijay Kumar · answered by Jacob Thaysen

2 min read 5 chapters

Detailed narrative

Q1 Performance Exceeds Expectations

Illumina reported a strong start to 2026, with Q1 revenue of $1.09 billion, non-GAAP gross margin of 68.2%, and non-GAAP diluted EPS of $1.15, all surpassing guidance. This outperformance was attributed to disciplined execution and strength in clinical markets, leading to a raised full-year outlook for revenue, operating margin, and EPS.

The company's Rest of World organic growth reached 3.5%, exceeding the high end of its guidance.

Clinical Market Momentum and NovaSeq X Adoption

The clinical segment continues to be a significant growth driver, comprising over 65% of sequencing consumables revenue and growing 20% ex China for the second consecutive quarter. This growth is fueled by the expansion of sequencing-based diagnostics and increased use of data-intensive applications like comprehensive genomic profiling and whole genome sequencing.

NovaSeq X placements were robust, with over 80 units placed in Q1, approximately 20 more than Q1 2025, indicating strong demand, particularly in clinical settings.

Innovation and Product Roadmap

Illumina highlighted its innovation strategy, including the launch of TruPath for simplified whole genome sequencing in rare diseases, reducing hands-on time to about 10 minutes. The company also showcased its spatial transcriptomics offering, on track for launch later this year, which has shown promise in challenging sample types.

Furthermore, an 18-month roadmap for NovaSeq X was introduced, featuring new 14B and 35B flow cells, staggered runs, and Q70 performance improvements to enhance flexibility, throughput, and workflow efficiency.

Cautious Research Market and Future Outlook

While clinical markets thrive, demand in research and academic markets remains cautious due to funding uncertainty, with consumables declining 12% ex China. However, management noted potential upside from improving NIH funding. The company remains confident in its long-term strategy, aiming for high single-digit revenue growth, continued margin expansion, and double-digit to teens EPS growth by 2027, supported by ongoing R&D investments.

Capital Allocation and SomaLogic Integration

Illumina generated $251 million in free cash flow in Q1 and repurchased 2 million shares for $242 million. The Board authorized an additional $1.5 billion in share repurchases, bringing total authorization to $1.9 billion. The acquisition of SomaLogic closed on January 30, performing in line with expectations, and the company paid a $25 million milestone post-quarter end.

Gross leverage stood at approximately 1.5x gross debt to LTM EBITDA.

Summary of the company's earnings call; see how call summaries are prepared. Not investment advice.